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Sample records for aparato superior indicaciones

  1. Anatomía del Aparato Locomotor, 2010-11

    OpenAIRE

    Juanes Méndez, Juan Antonio

    2010-01-01

    I. Materiales de clase: 1.Sistema Oseo. Las Articulaciones: definición, clasificaciones; 2.Esqueleto Axial; 3.Esqueleto Apendicular; 4. Organización del sistema nervioso periférico. Inervación del Aparato Locomotor; 5. Sistema muscular. II. Bibliografía y atlas

  2. El concepto de "valor de marca" aplicado a los signos de calidad con indicacion geografica

    OpenAIRE

    Martin, Antonio; Munoz, Ana Cristina; Gimenez, Tomas

    2012-01-01

    Los signos de calidad como denominaciones de origen y otras indicaciones geograficas son elementos de diferenciacion que estan suscitando, desde hace unos anos, gran interes y desarrollo en muchos paises. Ademas de ser figuras de proteccion oficial, tienen un significado comercial similiar al de las marcas comerciales, apareciendo como contramarcas junto a las marcas individuales de las empresas acogidas a dicha indicacion. Aunque su eficacia en la generacion de preferencia de marca entre con...

  3. Indicaciones y oportunidad del trasplante hepático

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    Andrés E Ruf

    2008-01-01

    Full Text Available El trasplante hepático (TH está indicado en pacientes con enfermedades hepáticas agudas o crónicas severas e irreversibles para las cuales no exista un tratamiento alternativo y en ausencia de contraindicaciones. Las indicaciones de TH pueden ser agrupadas en cuatro categorías: cirrosis hepática, hepatitis fulminante, tumores hepáticos y defectos genéticos de origen hepático que producen daño en otros órganos. Deben ser derivados para TH los pacientes con cirrosis que desarrollen cualquier complicación mayor o coagulopatía. La derivación precoz es "la clave del éxito" en la hepatitis fulminante por el alto riesgo de muerte y por tener una evolución mayormente impredecible. La oportunidad del TH es el momento en la historia natural de la hepatopatía cuando la sobrevida esperada es mayor con TH que en lista de espera. Estudios recientes han sugerido que el máximo beneficio del TH se obtiene en pacientes con MELD >15. Sin embargo, en algunos casos sin riesgo de muerte inminente, el objetivo del TH es mejorar la calidad de vida o prevenir contraindicaciones como la progresión del hepatocarcinoma cuando el tiempo de espera excede los 8 meses. Actualmente existe una marcada desproporción entre el número de donantes disponibles y el número creciente de potenciales receptores, lo que ha determinado un incremento progresivo del tiempo y mortalidad en lista. La racionalidad de distribuir los órganos en base al score de MELD es otorgar prioridad en la lista a los candidatos más enfermos y a aquellos que no pueden esperar como los pacientes con hepatocarcinoma.

  4. Mamoplastia de aumento en doble plano: una alternativa subfascial en la optimización de las indicaciones Breast augmentation in dual plane: a subfascial alternative towards optimizing indications

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    O. D. Ventura

    2008-12-01

    Full Text Available Proponemos el Doble Plano en la cirugía de aumento mamario como una alternativa a las indicaciones de uso del plano subfascial. Presentamos 30 casos en los que se utilizan variantes de la técnica en doble plano y discutimos sus indicaciones y ventajas a la vez que describimos detalles de la técnica. Este método consiste en crear un bolsillo donde el implante queda cubierto por el músculo pectoral solamente en su tercio superior y por la fascia en el resto. Las proporciones de estos componentes se ajustan según las características anatómicas de cada caso. Las indicaciones de la técnica son las mamoplastias primarias, y más específicamente, las secundarias con ptosis, encapsulamiento o ripling.We propose Dual Plane tecnique in augmentative mammoplasty as an alternative for individual adjustment when using the subfascial plane. Thirty cases are presented in which a variation of the dual plane technique is used. Its indications, advantages and surgical highpoints are discussed. This method consists on a pocket where the implant is covered by the pectoral muscle only on its upper pole, and by the fascia on the rest of it. The percentages of this components are adjusted to the anatomical characteristics of each case. Indications of this technique are primary mammoplasties, and more precisely secondary ones with ptosis, contractile capsule or ripling.

  5. Corrosión en soldaduras de aparatos de ortodoncia

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    Vázquez, S. M.

    1997-10-01

    Full Text Available The study of corrosion-related problems of dental materials has undergone a considerable development in recent years in order to avoid the use of materials with insufficient corrosion resistance in patients' mouth. The subject of the present work was to study a particular type of corrosion: galvanic corrosion. One of the most common case of galvanic couples in patients' mouth are the orthodontic appliances. The materials studied in the present work were stainless steel strips and silver-copper wires, isolated and welded between them. The electrochemical tests were performed in a NaCl 0.1M and Lactic Acid 0.1M solution (pH 2.3, and after test, the specimens were observed using the optical and scanning electron microscope. The results show that when stainless steel is coupled with a silver solder, the last is the anode of the galvanic couple. As a consequence of this, the silver solder undergone a severe attack. Stainless steel orthodontic appliances with silver solder are feasibly destroyed due to a severe attack on the filler metal disjoining the welded parts.

    En los últimos años se ha desarrollado considerablemente el estudio de los problemas relacionados con la corrosión de aleaciones dentales a efectos de evitar la utilización de materiales con una deficiente resistencia a la corrosión en la boca de los pacientes. El objetivo del presente trabajo fue estudiar la corrosión de aparatos de ortodoncia fabricados con acero inoxidable con soldadura por punto o por aporte de aleación de plata. Los resultados obtenidos mostraron que cuando el acero inoxidable contiene aportes de soldadura de material de base plata, ésta actúa como ánodo disolviéndose preferencialmente a una velocidad considerable. Los aparatos de ortodoncia construidos con acero inoxidable soldado con aporte de material de base plata, corren el riesgo de destrucción debido a un ataque intenso en el cordón de soldadura con el consiguiente despegue de las piezas

  6. Indicaciones médicas y quirúrgicas de los potenciales evocados Medical and surgical indications of evoked potentials

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    Oscar Papazian; Israel Alfonso; Ricardo Luzondo

    2007-01-01

    Los potenciales evocados (PE) son procedimientos neurofisiológicos más sensibles que específicos, objetivos, fidedignos, reproducibles y seguros que se emplean para evaluar la integridad de las vías sensoriales y motoras periféricas y centrales. La integridad de estas vías se determina midiendo la latencia de los eventos eléctricos producidos por estímulos adecuados y registrados después de ser promediados digitalmente. Las indicaciones médicas y quirúrgicas incluyen condiciones en las cuales...

  7. Resignificaciones sindicales: la necesidad de romper con un aparato al servicio de pocos

    OpenAIRE

    Ferrero, Daiana; Herce, Leandro

    2014-01-01

    Dentro del contexto de Neoliberalismo, las relaciones laborales entre las nuevas empresas privatizadas, el Estado y los/as trabajadores/as se vio mediada por el accionar de los dirigentes sindicales, estos dirigentes que llegaron a elevarse más allá de las bases creando su propio movimiento, negociando con las empresas y el Estado y con sus ganancias mantenían todo el aparato sindical que los sostenía. La complicidad que tuvieron los sindicatos con el Estado en el proceso de privatizaciones c...

  8. Aparato respiratorio y patologías asociadas a la función respiratoria : asma

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    Arce Diego, Yaiza

    2014-01-01

    El asma es una enfermedad crónica que afecta a muchas personas y que logra un gran impacto sobre la calidad de vida de las mismas. En este trabajo se expone en primer lugar una vision básica de la anatomía y la fisiología del aparato respiratorio, así como, una descripción histológica del mismo, para poder comprender más claramente cada una de las enfermedades que afectan a este sistema. El asma es la patología central que hemos abordado en este trabajo. De ella, realizamos una breve descripc...

  9. Morfología del aparato reproductor del picoroco Austromegabalanus psittacus (Molina, 1782 (Cirripedia, Balanidae

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    Catalina Contreras

    2015-07-01

    Full Text Available Descripción morfológica de las estructuras reproductivas de Austromegabalanus psittacus en dos periodos de maduración sexual. Se determinó que es un organismo hermafrodita que transfiere sus espermatozoides mediante un órgano intromitente o pene. El aparato reproductor masculino consta de testículos organizados en acinos que se distribuyen arboriformemente, dos conductos deferentes que se unen en la base del pene para formar el conducto eyaculador. El aparato reproductor femenino consiste principalmente en un ovario sacular que rodea al resto del cuerpo y se encuentra adherido a través de musculatura a la base de las placas operculares. Se organiza internamente en sacos acinares elongados que contienen ovogonias y ovocitos previtelogénicos adheridos a su pared y vitelogénicos y maduros libres dentro del lumen. Se observaron diferencias notorias en los ovarios entre los organismos recolectados en septiembre y octubre. En septiembre presentaron coloración amarillenta y en su interior se encontraron dos estructuras compactas denominadas lamelas ovígeras en cuyo interior se observaron ovocitos fecundados, embriones en diferentes estados de desarrollo y nauplius libres en la cavidad corporal; en octubre los ovarios son gruesos, blanquecinos y con gran cantidad de fluido lechoso en su interior.

  10. Priorización multicriterio de un residuo de aparato eléctrico y electrónico

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    José de Jesús Casas

    2015-01-01

    Full Text Available Se presenta una aplicación de la metodología AHP para la selección de un residuo de aparato eléctrico y electrónico que se va a considerar en el diseño de una red de logística inversa para la gestión integral de los residuos sólidos generados por dichos aparatos. Este trabajo es el primer paso en el diseño de la red logística y se ha abordado desde la perspectiva multicriterio debido a la importancia que revisten dichos residuos tanto desde el punto de vista de su impacto ambiental como económico. Este trabajo incluye una caracterización amplia y detallada de los aparatos eléctricos y electrónicos de mayor presencia en los hogares colombianos. La metodología presentada puede ser replicada fácilmente para cualquier otro tipo de aparato o residuo sólido en el proceso de configuración de la cadena de suministro inversa. Para el caso particular presentado fueron seleccionados los televisores de rayos catódicos y monitores de cristal líquido.

  11. Indicaciones, técnicas y resultados del trasplante de intestino delgado Indications, techniques and outcomes of small bowel transplant

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    M. López Santamaría

    2007-05-01

    Full Text Available Los resultados más recientes del trasplante intestinal (TI, con una supervivencia inmediata al procedimiento superior al 80% de los casos, y una gran proporción de supervivientes que consiguen autonomía digestiva completa y desempeñan actividades acordes con su edad, permiten considerar el TI como el tratamiento de elección en enfermos con fallo intestinal irreversible en los que es previsible una mala evolución con nutrición parenteral. El daño hepático asociado a la administración de nutrición parenteral es la indicación más frecuente de TI, especialmente en los niños, más susceptibles que los adultos a desarrollar esta complicación. Otras indicaciones aceptadas de TI son el fallo intestinal irreversible asociado a pérdida significativa de accesos venosos profundos, infecciones graves con riesgo vital asociadas al uso de catéteres centrales, y casos de fracaso intestinal que conducen habitualmente a muerte precoz, como cuadros de intestino ultracorto, diarreas intratables, y fallo intestinal asociado a elevada morbilidad y mala calidad de vida. El TI se practica en clínica humana bajo tres modalidades técnicas: trasplante de intestino aislado, trasplante combinado de hígado intestino y trasplante multivisceral. Refinamientos de las técnicas originales, que incluyen reducciones de los injertos hepáticos y/o intestinales, la opción con injerto de donante vivo, etc. permiten actualmente cubrir las diferentes necesidades, a la vez que incrementar la probabilidad de acceso al trasplante, objetivo especialmente necesario en niños muy pequeños o de muy bajo peso candidatos a trasplante hepatointestinal. Uno de los aspectos más interesantes de los programas de TI es haber permitido la evolución hacia Unidades de Rehabilitación Intestinal, que integran en un equipo multidisciplinar las tres modalidades de tratamiento: soporte nutricional, farmacoterapia y cirugía. Estas Unidades optimizan los resultados, minimizan los

  12. Endoscopia digestiva superior en pediatría.

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    Lucy S. Flóres

    2009-11-01

    Full Text Available La endoscopia digestiva superior (EDS es una técnica eficaz, segura, con riesgos y complicaciones mínimos para la exploración en niños del tracto digestivo superior que permite la evaluación, diagnóstico y manejo terapéutico adecuados en la enfermedad gastrointestinal. A pesar de los consensos sobre sus indicaciones, hay pocos estudios controlados sobre los efectos y las técnicas terapéuticas en pediatría. Para facilitar el procedimiento se recomienda usar sedación o anestesia. Puede haber complicaciones cardiopulmonares, infecciosas, perforación, hemorragia y las derivadas de la sedación. En resumen, la esofagogastroduodenoscopia permite el diagnóstico, seguimiento y tratamiento adecuado en la enfermedad gastrointestinal.

  13. Priorización multicriterio de un residuo de aparato eléctrico y electrónico

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    José de Jesús Casas; Katherine Cerón; Carlos Julio Vidal; Claudia Cecilia Peña; Juan Carlos Osorio

    2015-01-01

    Se presenta una aplicación de la metodología AHP para la selección de un residuo de aparato eléctrico y electrónico que se va a considerar en el diseño de una red de logística inversa para la gestión integral de los residuos sólidos generados por dichos aparatos. Este trabajo es el primer paso en el diseño de la red logística y se ha abordado desde la perspectiva multicriterio debido a la importancia que revisten dichos residuos tanto desde el punto de vista de su impacto ambiental como econó...

  14. Las indicaciones geográficas en el TLC firmado por Colombia y Perú con EUA frente al TLC con Chile.

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    Juan Andrés Zarama Medina

    2007-06-01

    Full Text Available El propósito de este trabajo es hacer un análisis crítico del tratamiento que se ha dado a las Indicaciones Geográficas y mas específicamente a las Denominaciones de Origen en el Tratado de Libre Comercio que firmaron recientemente por Colombia y Perú, con los Estados Unidos (TLC, al que en adelante denominaremos TLC CAN, y compararlo con el TLC firmado con Chile (En adelante TLC CHILE. Para efectos de este trabajo, centraremos nuestra atención de manera específica en la tendencia de estos tratados a tratar las indicaciones geográficas y en especial las denominaciones de origen, como marcas colectivas y de certificación o garantía.

  15. Consumo e idoneidad de las prescripciones para aparato respiratorio en pediatría de atención primaria

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    Suárez Castañón, Cristina María

    2015-01-01

    Introducción: Aproximadamente la mitad de las consultas que se realizan en pediatría de atención primaria corresponden a enfermedades del aparato respiratorio. En su mayoría se trata de procesos benignos y autolimitados que precisan únicamente tratamiento sintomático. A pesar de ello, se siguen empleando muchos fármacos, gran parte con eficacia y perfil de seguridad dudosos. Por otro lado están los procesos crónicos, como el asma, que suponen múltiples visitas y prescripciones y tiempo dedica...

  16. El aparato urogenital del pecarí de collar (Pecari tajacu Chordata: Artiodactyla): un estudio anatómico

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    María Vargas García; Erendira Quintana Sánchez; Ulises Aguilera-Reyes; Octavio Monroy-Vilchis; José Mauro Victoria Mora; Arturo Luna Blasio; Víctor M. Fajardo Guadarrama

    2015-01-01

    la finalidad de incrementar la información sobre la fisiología reproductiva del pecarí de collar (Pecari tajacu) se realizó una descripción anatómica del aparato urogenital (au) de esta especie. Se utilizaron ocho hembras y cinco machos que fueron anestesiados y perfundidos con solución de McKormik. Se realizaron disecciones para extraer el au y se describieron sus componentes. El au del pecarí de collar es característico del mamífero pero presenta similitudes con el au del cerdo. Este trabaj...

  17. Las indicaciones de origen protegidas como elemento de diferenciación de los productos agroalimentarios: el caso del jamón en España

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    Gázquez Abad, Juan Carlos; Martínez López, Francisco J.; Barrales Molina, Vanesa

    2012-01-01

    El origen es una de las estrategias utilizadas tradicionalmente por parte de los productos agroalimentarios para diferenciar una oferta de otra en el mercado. En nuestro país existen más de 140 Indicaciones de Origen reconocidas por la Comisión Europea que abarcan diferentes alimentos y bebidas. De todas ellas, las seis denominaciones de jamón existentes aportan casi el 15% del valor económico conjunto, aún suponiendo únicamente el 4,26% del total. A partir del análisis cuantitativo, y del de...

  18. Menopause and Climacteric. Substituted Hormonal Treatment. Its indications, guidelines and safety. Menopausia y climaterio. Tratamiento hormonal sustitutivo, sus indicaciones, las pautas del tratamiento y su seguridad.

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    Irene E. Delgado Pérez

    2003-05-01

    Full Text Available An updated revision was carried out about climateric and menopause period and its substituted hormonal treatment when it is necessary. The indications of the substituted hormonal therapy, its main contraindication and the directions of the treatment are shown.

    Se realizó una revisión actualizada acerca del período climatérico- menopáusico y su tratamiento hormonal sustitutivo cuando es necesario. Se exponen las indicaciones de la terapia hormonal sustitutiva, sus principales contraindicaciones y las pautas de tratamiento.

  19. Propuesta metodológica para la incorporación de variables territoriales en la determinación del valor de marca de las indicaciones geográficas agroalimentarias

    OpenAIRE

    Villafuerte Martín, Antonio Luis

    2015-01-01

    Los signos de calidad con mención al origen (como las denominaciones de origen y otras indicaciones geográficas) son elementos de diferenciación que están suscitando, desde hace años, gran interés y desarrollo en muchos países. Además de ser figuras de protección oficial, tienen un significado comercial similar al de las marcas comerciales, apareciendo como contramarcas, junto a las marcas individuales de las empresas acogidas a dichas indicaciones. En gran medida, la mayor ...

  20. Indicaciones quirúrgicas de la epilepsia en la niñez Surgical indications in pediatric epilepsy

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    María Isabel Bragatti Winckler

    2007-01-01

    Full Text Available Con el objetivo de presentar el seguimiento de los pacientes ambulatorios de la clínica de epilepsia refractaria del Hospital de Clínicas de Porto Alegre (HCPA, Brasil, se hizo una revisión de la literatura de las epilepsias y síndromes epilépticos del niño y del adolescente, las indicaciones quirúrgicas y los métodos de evaluación. Los casos de epilepsia recomendados por la Subcomisión de Cirugía de la Epilepsia Pediátrica de la Liga Internacional Contra las Epilepsias para evaluación quirúrgica son: displasia cortical, esclerosis tuberosa, polimicrogiria, hamartoma hipotalámico, síndromes hemisféricos, síndromes de Sturge-Weber, Síndrome de Rasmussen, Síndrome de Landau-Kleffner y otras situaciones como tumores o alteraciones vasculares. Se recomienda la formación de centros de referencia que cuenten con métodos de evaluación funcional y de neuroimagen, así como equipo multidisciplinario formado por neurólogos, neurocirujanos, neurofisiólogos, neuropediatras, neuropsicólogos, patólogos, neurorradiólogos y técnicos en electroneurofisiología que mantengan los estándares impuestos de forma estricta. La formación de estos centros en países en desarrollo parece viable, con la cooperación de las regiones con mayores recursos. Numerosos estudios han demostrado una mejoría de la calidad de vida con reducción en la frecuencia de crisis diarias. En el HCPA se desarrolla un estudio de seguimiento ambulatorio de casos de epilepsias refractarias todavía en investigación y tratamiento clínico. La cirugía de la epilepsia es potencialmente curativa y es posible utilizarla en la población infantil.With the goal of presenting follow-up data from patients seen at the Refractory Epilepsy out-patient clinic of the Hospital de Clínicas de Porto Alegre (HCPA, Brazil, we reviewed the literature on childhood and adolescent epilepsy and epileptic syndromes with indication for surgical treatment. The International League

  1. El aparato urogenital del pecarí de collar (Pecari tajacu Chordata: Artiodactyla: un estudio anatómico

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    María Vargas García

    2015-01-01

    Full Text Available la finalidad de incrementar la información sobre la fisiología reproductiva del pecarí de collar (Pecari tajacu se realizó una descripción anatómica del aparato urogenital (au de esta especie. Se utilizaron ocho hembras y cinco machos que fueron anestesiados y perfundidos con solución de McKormik. Se realizaron disecciones para extraer el au y se describieron sus componentes. El au del pecarí de collar es característico del mamífero pero presenta similitudes con el au del cerdo. Este trabajo es el primer reporte donde se describe un seno urogenital, las glándulas vestibulares y la musculatura estriada asociada a la vulva. Es también, el primer reporte del au masculino del pecarí de collar, encontrándose algunas características exclusivas de esta especie.

  2. Modificaciones en la articulación de fones en pacientes con aparato ortodóncico fijo lingual Speech changes in lingual orthodontic appliances patients

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    Pía Villanueva

    2007-12-01

    Full Text Available OBJETIVO: el presente trabajo pretende evaluar el efecto de los aparatos ortodóncicos fijos linguales en la articulación de los fones, en pacientes que hablen español chileno, y la adaptación a estos efectos dentro del primer mes de uso de los aparatos. MÉTODOS: la muestra consistió en 13 pacientes que acudieron para instalación de aparato ortodóncico fijo lingual. Se realizó un examen fonoarticulatorio en condiciones estandarizadas, en 5 momentos diferentes: previo a la instalación de los aparatos fijos (E0, inmediatamente después de realizada esta (E1, a las 24 horas posteriores (E2, a los 7 días (E3 y un mes después de la instalación (E4. Se determinaron los fones afectados en los distintos momentos de examen respecto a la línea base dada por el examen previo, y se analizó su resolución. RESULTADOS: se observaron cambios significativos en el punto de articulación de los fones [d], [s] y [r] Los fones [d] y [s] mostraron una resolución favorable dentro del primer mes de uso de los aparatos. El fone vibrante múltiple [r] no mostró una recuperación de la alteración una vez cumplido un mes de uso de los aparatos ortodóncicos. CONCLUSIONES: la instalación de aparato ortodóncico fijo lingual produce modificaciones en el punto de articulación de los fones consonánticos, las cuales tienden a mejorar dentro del primer mes de uso de los aparatos, con excepción del fone vibrante múltiple [r].PURPOSE: this study evaluated the effect of lingual orthodontics appliances on speech performance in native Chilean spanish speakers, and their adaptation to these effects during the first month. METHODS: phone production was recorded in a standardized test, in 13 patients with lingual orthodontic brackets, in 5 different times: before (E0, immediately after (E1, within 24 hours after (E2, within 7 days after (E3 and 1 month after (E4 the placement of fixed orthodontic lingual appliances, for assessment by speech professionals. RESULTS

  3. Diferenciación del aparato digestivo de los rumiantes: comparación entre oveja (Ovis aries), rebeco (Rupricapra Pyrenaica) y cabra montés (Capra pyrenaica)

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    Mantecón, Ángel R.; Frutos, Pilar; Lavín, Santiago; De Marco, I.; Lavín, Paz

    1993-01-01

    [ES] Se han utilizado los datos correspondientes a 11 ovejas (Ovisaries), l0 cabras monteses (Capra pyrenaica) y 24 rebecos (Rupicapra pyrenaica). El aparato digestivo, una vez separada la grasa omental y mesentérica, ss fraccionó en los siguientes compartimentos: retículo-rumen, omaso, abomaso, intestino delgado, intestino grueso y ciego. El peso total del aparato digestivo vacío y de todos sus compartimentos fue mayor en las ovejas que en los rebecos, ocupando la ...

  4. Indicaciones, técnicas y resultados del trasplante de intestino delgado Indications, techniques and outcomes of small bowel transplant

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    M. López Santamaría; F. Hernández Oliveros

    2007-01-01

    Los resultados más recientes del trasplante intestinal (TI), con una supervivencia inmediata al procedimiento superior al 80% de los casos, y una gran proporción de supervivientes que consiguen autonomía digestiva completa y desempeñan actividades acordes con su edad, permiten considerar el TI como el tratamiento de elección en enfermos con fallo intestinal irreversible en los que es previsible una mala evolución con nutrición parenteral. El daño hepático asociado a la administración de nutri...

  5. Cómo hacer ciencia con aparatos. Un enfoque materialista de la física cuántica

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    CARLOS MADRID

    2009-01-01

    Full Text Available El énfasis en la práctica científica, procedente originariamente de la sociología de la ciencia y, más recientemente, de la historia y la filosofía de la ciencia, está produciendo una concepción de la ciencia dramáticamente nueva. La práctica científica dibuja dentro de la órbita de la ciencia no sólo teorías y modelos, sino también hechos, instrumentos, aparatos, máquinas y seres humanos. El objetivo de este artículo es analizar la perspectiva experimentalista de pensar la física cuántica. Explico tres puntos de vista: el sociológico de Andrew Pickering, el epistemológico de Ian Hacking y el ontológico de Gustavo Bueno; quienes buscan moverse de la representación a la experimentación y la manipulación. Lo que distingue estas concepciones de la tradicional es que no comprenden la ciencia como una construcción en términos conceptuales y lingüísticos sino como una actividad social y material.

  6. Indicaciones para el uso de terapia de reemplazo hormonal oral en mujeres menopáusicas mayores de 50 años

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    Donald Fernández Morales

    2007-01-01

    Full Text Available El uso de la terapia de reemplazo hormonal oral ha sido una controversia en los últimos años, como consecuencia de una serie de estudios aleatorios que contradicen los lineamientos anteriores. Algunos autores refieren sus observaciones respecto a estas investigaciones, así como las limitaciones. Sin embargo, se demuestra que las únicas indicaciones que persisten para su uso son el tratamiento del síndrome menopáusico, al menor tiempo y la menor dosis posible, y como segunda elección, la osteoporosis. El objetivo de esta revisión es ofrecer un apoyo a los profesionales en medicina que prescriben terapia de reemplazo hormonal en mujeres menopáusicas mayores de 50 años.The use of oral hormonal replacement therapy has been controversial during the last years because randomized studies opposed all the previous guidelines. Some authors referred their observations and the limitations of these investigations. But it is demonstrated that the only indication that still persists is the treatment of the menopausal syndrome, using the lowest dose during the shortest time possible, and probably as a second option, in the management of osteoporosis. The objective of the present review to is support the medical physicians that prescribe hormonal replacement therapy for menopausal women older than 50 years of age.

  7. Endoscopic ultrasonography with fine-needle aspiration: present situation and indications Ultrasonografía endoscópica sectorial: situación actual e indicaciones

    Directory of Open Access Journals (Sweden)

    J. J. Vila Costas

    2005-12-01

    Full Text Available Endoscopic ultrasonography with fine-needle aspiration is a safe technique that allows the collection of tissue samples for histological diagnosis, as well as therapeutic maneuvers. It has better diagnostic accuracy versus other exploration techniques used for the staging of neoplasms in the gastrointestinal tract as well as in other organs. The risk for complications is extremely low, and the procedure has been shown to be cost-effective in many studies. In this paper we attempt to review the main present indications of endoscopic ultrasonography with fine-needle aspiration.La ecoendoscopia sectorial es una técnica muy segura con una gran precisión diagnóstica no alcanzable por otras exploraciones utilizadas en la estadificación de distintos tumores del tracto digestivo y órganos vecinos. Permite la realización de punción aspiración con aguja fina con obtención de material para estudio histológico, además de facilitar la realización de numerosas maniobras terapéuticas. Tiene un porcentaje de complicaciones extraordinariamente bajo, saliendo además reforzada en los análisis de coste-efectividad realizados. En este trabajo realizamos una revisión de las indicaciones actuales de la ecoendoscopia sectorial.

  8. Estudio evolutivo de la eficacia de materiales de resina autograbadores usados como selladores de fosas y fisuras en niños portadores de aparatos de ortodoncia

    OpenAIRE

    Sotoca Tobarra, Aitor

    2016-01-01

    El objetivo de esta tesis doctoral es comparar la eficacia in vivo como sellador de fosas y fisuras, en niños portadores de aparatos de ortodoncia, entre los materiales autograbadores de resina compuesta y los selladores tradicionales de resina. Hemos estudiado 225 selladores realizados a 51 niños, de entre 6 y 16 años de edad, portadores de aparatología fija de ortodoncia. Los selladores se colocaron en 81 molares (primeros y segundos molares) y 144 premolares (primeros y segundos premola...

  9. Referencias al aparato digestivo en los textos de materia médica impresos en España durante el Renacimiento y recuperados en bibliotecas digitales.

    OpenAIRE

    León Molina, Joaquín

    2013-01-01

    La tesis pretende identificar referencias al aparato digestivo en textos de materia médica impresos en España durante el Renacimiento. Describe el marco histórico, incluyendo la medicina de la época. Partiendo de la bibliografía se identifican autores y textos impresos en los albores de la imprenta y se intenta recuperar en bibliotecas digitales. Se estima, a priori, que al menos el 75% de los textos identificados deberían poder ser recuperados en la Red Informática Mundial y que al menos el ...

  10. Estequiometría de pigmentos fotosintéticos en plantas superiores en relación con la deficiencia de hierro

    OpenAIRE

    Monge Pacheco, Emilio; Val Falcón, Jesús; Heras Cobo, Luis

    1985-01-01

    [ES] La deficiencia de hierro afecta a la composición y funcionalidad de las distintas partes del aparato fotosintético. Los pigmentos fotosintéticos, localizados en el cloroplasto también se ven afectados por esta deficiencia. En este trabajo, se estudian las relaciones pigmentarias, en plantas superiores, en función del grado de deficiencia de hierro; se explican las discrepancias, acerca e la relación clorofila a/clorofila b; y se demuestra que la luteína es el pigmento mayoritario en situ...

  11. Superior Hiking Trail

    Data.gov (United States)

    Minnesota Department of Natural Resources — Superior Hiking Trail main trail, spurs, and camp spurs for completed trail throughout Cook, Lake, St. Louis and Carlton counties. These data were collected with...

  12. Superior Hiking Trail Facilities

    Data.gov (United States)

    Minnesota Department of Natural Resources — Superior Hiking Trail main trail, spurs, and camp spurs for completed trail throughout Cook, Lake, St. Louis and Carlton counties. These data were collected with...

  13. Bathymetry of Lake Superior

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Bathymetry of Lake Superior has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more...

  14. Incapacidad laboral por patología del aparato locomotor en la Comunidad Foral de Navarra: Aspectos epidemiológicos Occupational disability due to locomotor pathology in the Foral Community of Navarra: Epidemiological aspects

    OpenAIRE

    E. Sáinz de Murieta; J. Fernández Baraibar; Pascual, I.; Mena, A.; A. Martínez-Zubiri; M.J. Condón

    2005-01-01

    Introducción. La discapacidad producida por la patología del aparato locomotor ocasiona una pérdida de horas de trabajo y unos costes indirectos que están aumentando a un ritmo creciente. Los objetivos de este estudio son estimar los costes en horas de trabajo totales perdidas ocasionadas por la patología del aparato locomotor en 2 áreas sanitarias de Navarra con 441.600 habitantes, obtener estándares de duración e incidencia de bajas y estudiar la relación entre duración media de las bajas y...

  15. Fasciotomía profiláctica y síndrome "compartimental" de las extremidades: ¿existen indicaciones justificables? Prophylactic fasciotomy and compartment syndrome of the extremities: are there justifiable indications?

    OpenAIRE

    Juan Carlos Gómez-Hoyos; Carlos Hernando Morales

    2011-01-01

    Introducción. La fasciotomía es la principal intervención para tratar el síndrome "compartimental"; no obstante, sería ideal prevenir su aparición. El mismo procedimiento quirúrgico, pero profiláctico, se plantea como la mejor opción, aunque para algunos autores su uso puede no ser justificable, debido a que no es un procedimiento inocuo. Se estudió la información disponible para determinar las posibles indicaciones de la fasciotomía profiláctica. Materiales y métodos. Se hizo una búsqueda en...

  16. Decision Making: Superiority Degree

    OpenAIRE

    Zhukovin, Vladimer; Alimbarashvili, Zurab

    2010-01-01

    It is introduced the concept of Superiority Degree one competitive decision over another. On the basis of this concept the mathematics theoretic structure is developed, which is part of pairs comparisons branch in modern decision making theory. It will be useful for practice and interesting for scientific research.

  17. Regulación de la quinasa VRK1 por Plk3 y su implicación en la dinámica del aparato de Golgi en división celular

    OpenAIRE

    López-Sánchez, Inmaculada

    2010-01-01

    [ES] Esta tesis identificar y caracteriza subpoblaciones intracelulares de la quinasa humana VRK1 y estudia la relación de la quinasa Plk3 con VRK1. Además analiza su implicación en la dinámica del aparato de Golgi en división celular.

  18. Nutrición, fibrosis quística y aparato digestivo Nutrition, cystic fibrosis and the digestive tract

    Directory of Open Access Journals (Sweden)

    Gabriel Olveira

    2008-05-01

    empleo no está avalado en evidencias científicas sólidas. Los preparados más empleados suelen ser poliméricos e hipercalóricos. Las indicaciones de soporte nutricional enteral por sonda (especialmente gastrostomía o parenteral son similares a las empleadas en otras patologías. El control dietético y nutricional debe incluirse en un programa multidisciplinar que permita mejorar la capacidad funcional, la calidad de vida y reducir, al menos teóricamente, la morbi-mortalidad asociada a la malnutrición en estos pacientes.The prevalence of hyponutrition in cystic fibrosis is high although it may vary according to the different studies. Detection of hyponutrition should be done by combining different methods, depending on their availability. However, the simplest and most validated criterion is to measure at each visit the weight (and height in children in order to calculate the body mass index and categorizing hyponutrition according to absolute criteria: in adults < 18.5 kg/m², and in children as percentiles of the body mass index. Worsening of the nutritional status is directly related with the decrease in lung function parameters and it has been proposed as a morbidity (and even mortality predictive factor in people with cystic fibrosis, independently of the level of pulmonary dysfunction. Exocrine pancreatic insufficiency is present is approximately 70-90% of the patients with cystic fibrosis and the genotype-phenotype correlation is high. Most of the patients with exocrine pancreatic insufficiency tolerate a high-fat diet provided that they are treated with pancreatic enzymes at appropriate doses. The prevalence of diabetes increases with age, reaching up 40% of the cases in patients older than 30 years. Clinical liver involvement is less prevalent (it approximately affects 1/3 of the patients. Other intestinal complications such as meconial ileus, gastroesophageal reflux, obstruction of the distal intestine, or fibrosing colon disease may also condition

  19. Enfermedades del aparato cócleo vestibular en el adulto mayor. Un problema de salud en la atención primaria.

    Directory of Open Access Journals (Sweden)

    Myra M Guerra Castro

    2010-11-01

    Full Text Available Se realizó una investigación observacional, descriptiva, prospectiva, longitudinal de desarrollo. El universo de estudio lo conformaron todos los pacientes que acudieron a la consulta de Audiología del Hospital Faustino Pérez, los ancianos del Hogar de Matanzas, Colón y San Miguel desde Enero del 2007 a Enero 2008, con síntomas de origen cócleo vestibular. Las enfermedades del sistema cócleo vestibular en el adulto mayor constituyen actualmente un motivo de preocupación por su frecuencia de aparición. Ocasionando un problema de salud a estudiar. Los objetivos estuvieron dirigidos a: - Establecer una propuesta de atención integral al anciano con síntomas del aparato cócleo vestibular. - Identificar las variables clínico epidemiológicas seleccionadas. - Establecer los aspectos teóricos y clínicos que sustentan la propuesta. - Diseñar materiales didácticos para desarrollar la capacitación de post grado en la base. La propuesta de atención integral al adulto mayor con enfermedades del aparato cócleo vestibular quedó demostrada en la investigación. Se confirmó la frecuencia de estas enfermedades en el anciano en los aspectos teóricos y clínicos epidemiológicos, y la necesidad de prepararse para el futuro, debido a la problemática del envejecimiento poblacional en los próximos años. Se diseñaron y ofertaron materiales didácticos como: la guía de diagnóstico y conducta con su algoritmo, dos plegables, cursos, publicaciones y materiales complementarios.

  20. Os limites do funcionamento interpretante do aparato psíquico The limits of the interpretative function of the psychic apparatus

    Directory of Open Access Journals (Sweden)

    Anna Carolina Lo Bianco

    2001-06-01

    Full Text Available De início, o artigo identifica uma função interpretante na conceituação do aparato psíquico realizada por Freud. Esta função encontra-se melhor explicada no desenvolvimento da "Interpretação dos Sonhos", os quais operam, por sua vez, a mesma função interpretante. Em seguida, argumenta que, desde 1900, Freud conceitua um limite e uma exceção no funcionamento da interpretação nos sonhos, localizando-os, no entanto, em duas tópicas diferentes. A visão de Lacan vem introduzir uma nova inteligibilidade à interpretação ao ressituar os seus limites no lugar mesmo do funcionamento do aparato. Esse instante de impossibilidade, presente em toda interpretação, é examinado tendo em vista a sua conseqüência clínica de apontar para a necessidade do ato analítico, como a intervenção que faz advir o sujeito da análise.Firstly the article identifies an interpretative function in the conceptualization of the psychic apparatus, by Freud. This function is best explained in "The Interpretation of Dreams". These are understood to operate in their turn the same interpretative function as the apparatus. Secondly it is argued that since 1900 Freud conceptualizes a limit and an exception in the function of dream-interpretation. However, he localizes these limits in two different explanations of the apparatus. Lacan introduces a new way of understanding the matter by affirming that the limits are comprehended in one and the same explanation of the functioning of the apparatus. A moment of impossibility which is present in all interpretations is examined in view of its clinical consequences, since it points to a necessary analytical act. This is the intervention that makes it possible for the analytical subject to exist.

  1. Influencia de los aparatos dentales ortodónticos en la producción y percepción del habla: estudio de cinco casos The influence of orthodontic dental apparatus in production and perception of speech: study of five cases

    OpenAIRE

    Hernán Martínez; Elsa Mora; Rafael Prato

    2006-01-01

    OBJETIVO: observar la capacidad de cinco individuos venezolanos que usan aparatos dentales ortodónticos para articular el habla y verificar la influencia de los aparatos en la percepción del habla por parte de sus interlocutores. MÉTODOS: se utilizó un corpus conformado por dos grabaciones de la lectura de un Test de Pares Mínimos realizadas por cinco hablantes antes y después de iniciar el tratamiento con los aparatos. Dichas grabaciones fueron luego expuestas a veinte oyentes adultos con la...

  2. Contabilidad Financiera Superior

    OpenAIRE

    Ipiñazar Petralanda, Izaskun

    2013-01-01

    Duración (en horas): De 31 a 40 horas. Destinatario: Estudiante y Docente A través de este material se presentan las pautas necesarias para implementar un aprendizaje basado en problemas en la asignatura de Contabilidad Financiera Superior dentro de los temas “Constitución de S.A. y S.R.L.” (Tema 2), “Ampliaciones de Capital” (Tema 3) y “Reducciones de Capital” (Tema 4). En primer lugar se presentan las guías generales de la asignatura, y a continuación, las diferentes activida...

  3. Superior Lens Coloboma with Superior Rectus Palsy and Congenital Ptosis

    OpenAIRE

    Jethani, Jitendra; Vishal R. Sharma; Marwah, Kenshuk

    2009-01-01

    A lens coloboma is characterized by the lens tissue's notching at the equator. It is usually inferior-nasal else it is called an atypical coloboma. We report a young male who presented with a superior lens coloboma, an elevation deficit and moderate ptosis, left eye. As superior rectus and levator muscles are derived from the neural crest cell we propose, genetically, there may be an association between the lens coloboma and the superior rectus/levator muscle underaction via an anomalous home...

  4. AUTORÍA MEDIATA A TRAVÉS DE APARATOS ORGANIZADOS DE PODER. TRAS LA SOMBRA DEL MANDO FUGITIVO: DEL DOMINIO Y LA INSTRUMENTALIZACIÓN DEL DELITO.

    Directory of Open Access Journals (Sweden)

    Omar Huertas Díaz

    2013-05-01

    Full Text Available La figura de la autoría mediata surge, en principio, por la necesidad de llenar vacíos en el derecho penal alemán como consecuencia de una visión restrictiva del concepto de autor, por lo que esta figura fue desarrollándose de forma paulatina, pues más allá de los derroteros conceptuales y doctrinales se evidenció como una construcción jurídicamente viable para determinar la responsabilidad penal de los mediadores en el régimen nazi, a través de la teoría de la autoría mediata en aparatos organizados de poder. En este sentido, la referencia que de ella se hace dentro de las disposiciones del ordenamiento jurídico colombiano se evidencia en el artículo 29 del actual Código Penal, en el sentido de que se estipula que es autor quien realice la conducta punible utilizando a otro como instrumento. Con ello, esta teoría, planteada en principio por Claux Roxin, se aplica como una necesidad de abordar problemas como la determinación de la responsabilidad penal de los diversos mandos directivos de una estructura jerárquica y organizada para la comisión de crímenes.

  5. Biopsia de la arteria temporal: revisión de indicaciones y técnica quirúrgica para cirujanos plásticos Temporal artery biopsy: review of indications and surgical technique for plastic surgeons

    Directory of Open Access Journals (Sweden)

    A. Rodríguez Lorenzo

    2007-06-01

    Full Text Available La arteritis de células gigantes (ACG es una vasculitis que presenta complicaciones graves si no es diagnosticada y tratada precozmente con corticoides a altas dosis. La biopsia de la arteria temporal (BAT es la técnica diagnóstica estandarizada utilizada para confirmar la enfermedad. Se trata de una técnica sencilla y con poca morbilidad. No obstante, en la actualidad existe una controversia sobre su indicación en pacientes con sospecha clínica de arteritis sin síntomas craneales debido a la baja tasa de positividad de la biopsia. Presentamos en este trabajo una serie de 28 pacientes en los que se realizaron 30 BAT con el objetivo de revisar las indicaciones y describir la técnica quirúrgica utilizada.Giant cell arteritis is a vasculitis that presents serious complications if it is not diagnosed and treated prematurely with corticosteroids to high dose. The temporal artery biopsy is the gold estandar technique of diagnosis used to confirm the disease. It is a simple technique with little morbidity. Nevertheless, currently there is a controversy on its indication in patients with clinical suspicion of arteritis without craneal symptoms because of the downward rate of positiveness of the biopsy. We present in this work a serie of 28 patients in which 30 biopsies were carried out with the objective to review the indications and to describe the surgical technique utilized.

  6. Alterações radiográficas do aparato podotroclear de equinos da Polícia Militar de Minas Gerais sem sinais clínicos de doença do osso navicular

    OpenAIRE

    D.S.D. Azevedo; Xavier, V. F.; Ribeiro, R. M.; S.B. Villela; T.C. Castro; R.A.M. Vieira; I.R. Lima; C.A. De Marval; R.R. Faleiros

    2015-01-01

    Os objetivos deste experimento foram identificar e associar alterações radiográficas do aparato podotoclear de equinos do Regimento de Cavalaria Alferes Tiradentes da Policia Militar do estado de Minas Gerais sem histórico e sinais clínicos de doença do osso navicular. Foi avaliado um total de 33 equinos, de ambos os sexos, com idade entre 10 e 20 anos. Os dígitos torácicos foram radiografados de forma padronizada nas projeções lateromedial (LM), dorsoproximal palmarodistal 65º (DPPD) e palma...

  7. El Acelerón sindicalista discurso social, imagen y realidad del aparato de propaganda de la Organización Sindical Española, 1957-1969 /

    OpenAIRE

    Amaya Quer, Àlex

    2011-01-01

    Descripció del recurs: 15-06-2011 Esta tesis doctoral se sitúa en el marco interno del aparato de propaganda de la Organización Sindical Española durante los años 60. En este periodo la OSE se sumergió en un proceso de impulse, reorganización y adaptación a la cambiante realidad socio-económica realidad española. Los medios propagandísticos fueron utilizados insistentemente para expandir la base social del sindicalismo oficial y para conseguir sus objetivos políticos. La ruta tomada para c...

  8. Ayuda del Campus Virtual en la creación por los alumnos de un juego-simulación sobre la fisiología del aparato digestivo

    OpenAIRE

    Fernández Galaz, María del Carmen; Colino Matilla, Asunción; Prada Elena, Carmen; Mora Novaro, Orlando Ángel; Comas Rengifo, María Dolores; García Seoane, Jorge

    2007-01-01

    El objetivo docente fue: • Motivar a los alumnos para facilitar el aprendizaje de una parte de la fisiología. • Ayudar a integrar las funciones y mecanismos de control del aparato digestivo. • Facilitar la comunicación entre alumnos y el trabajo en grupo. • Realizar una práctica de simulación de la digestión con las normas generadas. El juego consistiría en mover, digerir (cortar) y absorber un trozo de comida artificial que iría pasando sucesivamente desde la...

  9. Concentrados autólogos de plaquetas como tratamiento de lesiones de tejidos blandos del aparato locomotor en caballos Autologous platelet concentrates as a treatment for soft tissue musculoskeletal lesions in horses

    OpenAIRE

    JU Carmona; M Prades; D Argüelles

    2009-01-01

    Se evaluó la eficacia de un concentrado autólogo de plaquetas (APC) en cinco caballos con lesiones de tejidos blandos del aparato locomotor, tales como tendinopatía del tendón flexor digital superficial (SDFT) y desmopatía del ligamento suspensorio (DSL). Se documentaron el grado inicial de cojera, la repuesta a la prueba de flexión, las imágenes ecográficas y un seguimiento clínico a largo término. Se aplicaron tres inyecciones con un intervalo entre inyección de dos semanas. Los caballos fu...

  10. A low cost apparatus for measuring the xylem hydraulic conductance in plants Um aparato de baixo custo para medição da condutância hidráulica do xilema em plantas

    Directory of Open Access Journals (Sweden)

    Luciano Pereira

    2012-01-01

    Full Text Available Plant yield and resistance to drought are directly related to the efficiency of the xylem hydraulic conductance and the ability of this system to avoid interrupting the flow of water. In this paper we described in detail the assembling of an apparatus proposed by TYREE et al. (2002, and its calibration, as well as low cost adaptations that make the equipment accessible for everyone working in this research area. The apparatus allows measuring the conductance in parts of roots or shoots (root ramifications or branches, or in the whole system, in the case of small plants or seedlings. The apparatus can also be used to measure the reduction of conductance by embolism of the xylem vessels. Data on the hydraulic conductance of eucalyptus seedlings obtained here and other reports in the literature confirm the applicability of the apparatus in physiological studies on the relationship between productivity and water stress.A produtividade das plantas e a capacidade de resistência à seca estão diretamente relacionadas com a eficiência da condutância hidráulica do xilema e a capacidade desse sistema em evitar a interrupção do fluxo de água. No presente trabalho, detalha-se a montagem de um aparato proposto por TYREE et al. (2002, e sua calibração, bem como adaptações com peças de menor custo que tornam o aparelho acessível a qualquer um trabalhando nesta linha de pesquisa. Esse aparato possibilita medir a condutância de partes do sistema radicular ou da parte aérea (ramificações radiculares ou ramos, ou em todo o sistema, no caso de plantas de porte pequeno ou plântulas. O aparato também pode ser usado para medir a redução da condutância pela embolização dos vasos do xilema. Medições de condutância hidráulica feitas em plântulas de eucalipto e outros trabalhos encontrados na literatura confirmaram a aplicabilidade desse aparato em estudos fisiológicos de produtividade relacionada ao estresse hídrico.

  11. Pensamiento Superior y Desarrollo Territorial

    OpenAIRE

    Víctor Manuel Racancoj Alonzo

    2015-01-01

    Esta reflexión pretende explicar el papel, fundamental, que juega el pensamiento superior, en la formulación y la práctica de modelos de desarrollo territorial local; para que contribuyan de forma sustantiva, en la transformación de las condiciones socioeconómicas adversas que hoy viven comunidades indígenas y rurales de muchos países, como Guatemala, situación que puede resumirse en altos índices de pobreza y desnutrición. Pero, el pensamiento superior, debe ser competencia de la población c...

  12. The human superior cervical ganglion

    DEFF Research Database (Denmark)

    Tajti, J; Möller, S; Uddman, R; Bodi, I; Edvinsson, L

    Noradrenaline (NA)- and neuropeptide Y (NPY)-containing cell bodies were found to occur in high numbers (>75% of all cells were positive) in the human superior cervical ganglion and distributed homogeneously throughout the ganglion and showed colocalisation. A few cell bodies were VIP......-immunoreactive (-ir) (less than 5%) but none of them showed NOS-, CGRP- or SP-ir. Receptor mRNA expression was studied with RT-PCR. Total RNA from the superior cervical ganglion was successfully extracted. By using appropriate sense and antisense oligonucleotides designed from the published human sequences, we could...

  13. What are Millian Qualitative Superiorities?

    Directory of Open Access Journals (Sweden)

    Jonathan Riley

    2008-04-01

    Full Text Available In an article published in Prolegomena 2006, Christoph Schmidt-Petri has defended his interpretation and attacked mine of Mill’s idea that higher kinds of pleasure are superior in quality to lower kinds, regardless of quantity. Millian qualitative superiorities as I understand them are infinite superiorities. In this paper, I clarify my interpretation and show how Schmidt-Petri has misrepresented it and ignored the obvious textual support for it. As a result, he fails to understand how genuine Millian qualitative superiorities determine the novel structure of Mill’s pluralistic utilitarianism, in which a social code of justice that distributes equal rights and duties takes absolute priority over competing considerations. Schmidt-Petri’s own interpretation is a non-starter, because it does noteven recognize that Mill is talking about different kinds of pleasant feelings, such that the higher kinds are intrinsically more valuable than the lower. I conclude by outlining why my interpretation is free of any metaphysical commitment to the “essence” of pleasure.

  14. Giant superior mesenteric artery aneurysm

    OpenAIRE

    Temiz, Ahmet; Bostan, Mehmet; Şatıroğlu, Ömer; Çetin, Mustafa; Bozkurt, Engin

    2011-01-01

    Aneurysm of the superior mesenteric artery (SMA) is a rare condition and most of them are symptomatic. Gradu­ally increasing abdominal pain, intestinal ischemic symp­toms and rupture are the most common symptoms. We herein report a giant SMA aneurysm detected in a patient with complaint of abdominal discomfort.

  15. Orthodontic-logaoedic treatment using a modified Hawley device. Tratamiento ortodóncico – logopédico utilizando un aparato de Hawley modificado.

    Directory of Open Access Journals (Sweden)

    Yordanis Boza Mejias

    . Objetivo : Comprobar la utilidad del aparato de Hawley modificado en pacientes con maloclusiones dentarias producidas por hábitos deformantes y portadores de dislalias. Métodos : Estudio observacional, analítico, comparativo, realizado en la escuela primaria ¨Guerrillero Heroico¨ del municipio de Cienfuegos. Se tomó una muestra no probabilística de 32 pacientes a los cuales se les realizaron dos mediciones. Se estudiaron las siguientes variables: Número de historia clínica, expediente, anomalías dentomaxilofaciales, hábitos como succión digital, deglusión atípica, análisis de la pronunciación y niveles de articulación. Se colocó Hawley con perforación en forma ovalada, a nivel de las rugosidades palatinas, lo que cambia la forma tradicional de la rejilla. Resultados : Prevaleció la maloclusión de Clase I. Las anomalías dentomaxilofaciales más frecuentes fueron la vestíbuloversión ( 87,5 %, resalte aumentado (84,4 % y el cierre bilabial anormal (68,8 %, las dislalias se redujeron durante el tratamiento de 81,2 % al comienzo hasta 28, 1 % al final de este.

  16. Writing superiority in cued recall

    OpenAIRE

    Carina eFueller; Jens eLoescher; Peter eIndefrey

    2013-01-01

    In list learning paradigms with free recall, written recall has been found to be less susceptible to intrusions of related concepts than spoken recall when the list items had been visually presented. This effect has been ascribed to the use of stored orthographic representations from the study phase during written recall (Kellogg, 2001). In other memory retrieval paradigms, by contrast, either better recall for modality-congruent items or an input-independent writing superiority effect have b...

  17. Incapacidad laboral por patología del aparato locomotor en la Comunidad Foral de Navarra: Aspectos epidemiológicos Occupational disability due to locomotor pathology in the Foral Community of Navarra: Epidemiological aspects

    Directory of Open Access Journals (Sweden)

    E. Sáinz de Murieta

    2005-04-01

    Full Text Available Introducción. La discapacidad producida por la patología del aparato locomotor ocasiona una pérdida de horas de trabajo y unos costes indirectos que están aumentando a un ritmo creciente. Los objetivos de este estudio son estimar los costes en horas de trabajo totales perdidas ocasionadas por la patología del aparato locomotor en 2 áreas sanitarias de Navarra con 441.600 habitantes, obtener estándares de duración e incidencia de bajas y estudiar la relación entre duración media de las bajas y variables como la accesibilidad geográfica a los servicios de rehabilitación, vivir en entorno rural o urbano y entre diferentes áreas sanitarias. Material y métodos. Se han estudiado todos los procesos de incapacidad temporal por patología del aparato locomotor en las Áreas Sanitarias I y III de Navarra en 1997 y 1998, recogiendo diferentes variables. Se ha realizado un estudio descriptivo de las patologías, contabilizando las jornadas laborales perdidas. Calculamos la incidencia anual de bajas por patologías. Comparamos duración media con otras variables. Resultados. La discapacidad producida por la patología del aparato locomotor supone pérdidas de 221.054 jornadas de trabajo/año. La lumbalgia, el esguince de tobillo son los procesos más frecuentes. Encontramos un aumento en la incidencia de incapacidad temporal por lumbalgia y lumbociatalgia en las zonas básicas rurales de la zona media. No existen diferencias estadísticamente significativas con una pIntroduction. Disability produced by locomotor pahtology causes a loss in working hours and indirect costs that are increasing at a growing rate. The aims of this study are to estimate the costs in total working hours lost caused by this pathology in two health areas of Navarra with 441,600 inhabitants, to obtain standards for the duration and incidence of sick leave and to study the relation between the average duration of sick leave and variables such as the geographical

  18. La construcción de réplicas de aparatos de psicología experimental en Argentina como espacio de aprendizaje de la historia de la psicología

    OpenAIRE

    Rossi, Lucía; Ibarra, María Florencia; Jardon, Magalí

    2013-01-01

    Desde 2011, grupos de alumnos de Historia de la Psicología - Cátedra II - UBA - concurren al Museo de la Psicología Experimental en Argentina “Dr. Horacio G. Piñero” a fin de construir réplicas de algunos de los aparatos de Psicología Experimental. La visita al Museo y la actividad de construcción de dichas réplicas es concebida como herramienta de transmisión de los contenidos del Seminario de Historia de la Psicología en Argentina que tiene sede en la cátedra. El desafío fundamental es t...

  19. The Arthroscopic Superior Capsular Reconstruction.

    Science.gov (United States)

    Adams, Christopher R; Denard, Patrick J; Brady, Paul C; Hartzler, Robert U; Burkhart, Stephen S

    2016-01-01

    In a subset of patients with rotator cuff tears, the glenohumeral joint has minimal degenerative changes and the rotator cuff tendon is either irreparable or very poor quality and unlikely to heal. Reverse shoulder arthroplasty (RSA) is often considered for these patients despite the lack of glenohumeral arthritis. However, due to the permanent destruction of the glenohumeral articular surfaces, complication rates, and concerns about implant longevity with RSA, we believe the superior capsular reconstruction (SCR) is a viable alternative. In this article, we describe our technique for the SCR. PMID:27552457

  20. O cyberbullying no ensino superior

    OpenAIRE

    Tavares, Telma Filipa Félix

    2014-01-01

    O cyberbullying pode ser caracterizado por um comportamento agressivo e intencional. Aproximadamente 20 a 40% dos jovens afirmam serem vítimas de cyberbullying (Patchin & Hinduja, 2006) e cerca de 11% a 17% afirmam ter molestado alguém. O presente estudo pretende caracterizar o cyberbullying numa amostra da população universitária. Foi utilizado o Questionário de Cyberbullying no Ensino Superior (QCES) que apresenta 4 Subescalas que avaliam Vítimas, Agressores, Observadores de Agressores e Ob...

  1. Carbon cycling in Lake Superior

    Science.gov (United States)

    Urban, N. R.; Auer, M. T.; Green, S. A.; Lu, X.; Apul, D. S.; Powell, K. D.; Bub, L.

    2005-06-01

    Carbon (C) cycling in Lake Superior was studied within the Keweenaw Interdisciplinary Transport Experiment in Superior (KITES) project to assess (1) whether the lake is net heterotrophic, (2) sources, sinks and residence time for dissolved organic carbon (DOC), (3) importance of terrigenous organic C subsidies, and (4) factors limiting C flow through bacteria. During 3 years of fieldwork, measurements were made of spatial and temporal distributions of C pools and rates of photosynthesis, community respiration, and bacterial production. Measurements were made of the composition of dissolved organic matter (DOM), rates of DOM photolysis, lability of DOM toward microbial consumption, and river inputs of DOM. All measurements suggest the lake is net heterotrophic. The C:N ratios of DOM suggest that it is primarily of terrigenous origin, but other characteristics (size distribution, UV absorption) point to the presence of autochthonous DOM and to alteration of terrigenous material. The lake mass balance indicates that the residence time (˜8 years) of the DOC pool (17 Tg) is short relative to the hydrologic residence time (170 years). The known flux of terrigenous DOC (˜1 Tg/yr) is too low to support annual bacterial carbon demand (6-38 Tg/yr), but microbial respiration is the major sink for terrigenous DOC. A rapidly cycling, autochthonous DOC pool must exist. Microbial activity was correlated with temperature, phosphorus availability, and DOC concentration but not with photosynthesis rates. Measurements of respiration (˜40 Tg/yr), photosynthesis (2-7 Tg/yr), and bacterial production (0.5-2 Tg/yr) are not all mutually compatible and result in a discrepancy in the organic carbon budget.

  2. Alterações radiográficas do aparato podotroclear de equinos da Polícia Militar de Minas Gerais sem sinais clínicos de doença do osso navicular

    Directory of Open Access Journals (Sweden)

    D.S.D. Azevedo

    2015-08-01

    Full Text Available Os objetivos deste experimento foram identificar e associar alterações radiográficas do aparato podotoclear de equinos do Regimento de Cavalaria Alferes Tiradentes da Policia Militar do estado de Minas Gerais sem histórico e sinais clínicos de doença do osso navicular. Foi avaliado um total de 33 equinos, de ambos os sexos, com idade entre 10 e 20 anos. Os dígitos torácicos foram radiografados de forma padronizada nas projeções lateromedial (LM, dorsoproximal palmarodistal 65º (DPPD e palmaroproximal palmarodistal (SK. A radiopacidade medular aumentada em projeção SK foi a principal alteração radiográfica detectada. Essa alteração foi associada a maior número de invaginações sinovais, a maior espessura de cortical em relação à medular em exposição SK e a maior relação corticomedular em exposição LM (P<0,05. Esses achados indicam uma predisposição da população equina para desenvolver a síndrome do osso navicular, possivelmente associada ao trauma repetitivo promovido pelo constante trabalho em piso duro.

  3. 78 FR 21116 - Superior Supplier Incentive Program

    Science.gov (United States)

    2013-04-09

    ... Department of the Navy Superior Supplier Incentive Program AGENCY: Department of the Navy, DoD. ACTION... policy that will establish a Superior Supplier Incentive Program (SSIP). Under the SSIP, contractors that... powerful incentives that can be used to motivate contractors to perform at a high level. DoN and...

  4. Paso superior en una ladera

    Directory of Open Access Journals (Sweden)

    Bender, O.

    1965-07-01

    Full Text Available The Redwood highway, through the Californian forest, runs on a viaduct, as it crosses a mountain slope of about 45° inclination. The firm ground is fairly deep, and as an additional constructional difficulty, it was necessary to respect the natural beauty of the countryside. A structure of portal frames were built, forming a number of short spans. These spans were bridged with metal girders, on which a 19 m wide deck was placed. The columns are hollow and have a transversal cross beam, to join each pair. There was difficulty in excavating the foundations for the columns, as it was necessary to dig through the soft top soil, and also prevent this soil from hurting the trunks of the forest trees. Another significant difficulty in the construction of this viaduct was the access to the working site, since there were no suitable platforms from which to operate the appropriate machinery. This made it necessary to do a lot of the work by manual operation. As one of the edges of the deck is very close to the mountain side, a supporting beam was erected on this side. It was made of concrete, on metal piles. The formwork for the deck structure was placed on the concrete stems of the supporting piles.La autopista denominada Redwood (California salva, con un paso superior, la ladera de un bosque cuya pendiente es del 1/1. El terreno firme se halla a bastante profundidad, añadiéndose, a los naturales problemas de la construcción, el imperativo de respetar la belleza agreste del paraje. La solución adoptada consiste en una estructura porticada, con varios tramos de pequeñas luces, salvados con vigas metálicas, sobre los que se coloca la losa del tablero, de 19 m de anchura total. Los soportes están constituidos por pórticos de dos montantes huecos (con bases de hormigón en masa por debajo del suelo, hasta el firme coronados por un cabezal. La perforación de pozos para el hormigonado de los montantes presentaba la dificultad de atravesar el terreno

  5. Fasciotomía profiláctica y síndrome "compartimental" de las extremidades: ¿existen indicaciones justificables? Prophylactic fasciotomy and compartment syndrome of the extremities: are there justifiable indications?

    Directory of Open Access Journals (Sweden)

    Juan Carlos Gómez-Hoyos

    2011-06-01

    Full Text Available Introducción. La fasciotomía es la principal intervención para tratar el síndrome "compartimental"; no obstante, sería ideal prevenir su aparición. El mismo procedimiento quirúrgico, pero profiláctico, se plantea como la mejor opción, aunque para algunos autores su uso puede no ser justificable, debido a que no es un procedimiento inocuo. Se estudió la información disponible para determinar las posibles indicaciones de la fasciotomía profiláctica. Materiales y métodos. Se hizo una búsqueda en la literatura científica, según la metodología BestBETs, para identificar los estudios que determinaran el impacto de la fasciotomía profiláctica o los factores predictores de riesgo. Los artículos se revisaron con la guía STROBE y se extrajeron los datos, previa evaluación de la validez. Resultados. Se identificaron cuatro estudios observacionales retrospectivos; tres de ellos hacen referencia a la predicción de la necesidad de fasciotomías y uno, a la determinación de los factores de riesgo. La localización más frecuente fue la pierna (68,4% y los factores de mayor riesgo para el síndrome "compartimental" y, por ende, predictores de la necesidad de fasciotomías fueron, en su orden: el trauma vascular combinado (41,8%, OR=3,0; IC95% 1,4-6,1, el trauma vascular no combinado (arterial, 27,2%, OR=10,4; IC95% 7,1-15,4; venoso, 23,4%, OR=7,4%; IC95% 4,5-12,4, la fractura asociada a trauma vascular (44% vs. 19% y la luxación asociada a trauma vascular (10,4%, OR=3,5; IC95% 1,8-6,8. El riesgo aumenta significativamente cuando el trauma vascular es poplíteo, cuando la fractura es abierta o en tibia proximal, y cuando la luxación es de rodilla. No hay hallazgos concluyentes para catalogar el tiempo de isquemia, la hemorragia o la necesidad de transfusión de hemoderivados como factores predictores de la necesidad de fasciotomías. Conclusión. Es difícil tomar la decisión de realizar una fasciotomía profiláctica, pero en algunos

  6. Superiority in value and the repugnant conclusion

    DEFF Research Database (Denmark)

    Jensen, Karsten Klint

    2007-01-01

    James Griffin has considered a weak form of superiority in value a possible remedy to the Repugnant Conclusion. In this paper, I demonstrate that, in a context where value is additive, this weaker form collapses into a stronger form of superiority. And in a context where value is non-additive, weak...... superiority does not amount to a radical value difference at all. I then spell out the consequences of these results for different interpretations of Griffin's suggestion regarding population ethics. None of them comes out very successful, but perhaps they nevertheless retain some interest....

  7. Superior mesenteric artery syndrome causing growth retardation

    Directory of Open Access Journals (Sweden)

    Halil İbrahim Taşcı

    2013-03-01

    Full Text Available Superior mesenteric artery syndrome is a rare and lifethreateningclinical condition caused by the compressionof the third portion of the duodenum between the aortaand the superior mesenteric artery’s proximal part. Thiscompression may lead to chronic intermittent, acute totalor partial obstruction. Sudden weight-loss and the relateddecrease in the fat tissue are considered to be the etiologicalreason of acute stenosis. Weight-loss accompaniedby nausea, vomiting, anorexia, epigastric pain, andbloating are the leading complaints. Barium radiographs,computerized tomography, conventional angiography,tomographic and magnetic resonance angiography areused in the diagnosis. There are medical and surgical approachesto treatment. We hereby present the case ofa patient with superior mesenteric artery syndrome withdelayed diagnosis.Key words: superior mesenteric artery syndrome, nausea-vomiting, anorexia

  8. Millian superiorities and the repugnant conclusion

    DEFF Research Database (Denmark)

    Jensen, Karsten Klint

    2008-01-01

    James Griffin has considered a form of superiority in value that is weaker than lexical priority as a possible remedy to the Repugnant Conclusion. In this article, I demonstrate that, in a context where value is additive, this weaker form collapses into the stronger form of superiority. And in a...... results for different interpretations of Griffin's suggestion regarding population ethics. None of them comes out very successful, but perhaps they nevertheless retain some interest....

  9. Whisker-related afferents in superior colliculus.

    Science.gov (United States)

    Castro-Alamancos, Manuel A; Favero, Morgana

    2016-05-01

    Rodents use their whiskers to explore the environment, and the superior colliculus is part of the neural circuits that process this sensorimotor information. Cells in the intermediate layers of the superior colliculus integrate trigeminotectal afferents from trigeminal complex and corticotectal afferents from barrel cortex. Using histological methods in mice, we found that trigeminotectal and corticotectal synapses overlap somewhat as they innervate the lower and upper portions of the intermediate granular layer, respectively. Using electrophysiological recordings and optogenetics in anesthetized mice in vivo, we showed that, similar to rats, whisker deflections produce two successive responses that are driven by trigeminotectal and corticotectal afferents. We then employed in vivo and slice experiments to characterize the response properties of these afferents. In vivo, corticotectal responses triggered by electrical stimulation of the barrel cortex evoke activity in the superior colliculus that increases with stimulus intensity and depresses with increasing frequency. In slices from adult mice, optogenetic activation of channelrhodopsin-expressing trigeminotectal and corticotectal fibers revealed that cells in the intermediate layers receive more efficacious trigeminotectal, than corticotectal, synaptic inputs. Moreover, the efficacy of trigeminotectal inputs depresses more strongly with increasing frequency than that of corticotectal inputs. The intermediate layers of superior colliculus appear to be tuned to process strong but infrequent trigeminal inputs and weak but more persistent cortical inputs, which explains features of sensory responsiveness, such as the robust rapid sensory adaptation of whisker responses in the superior colliculus. PMID:26864754

  10. Influencia de los aparatos dentales ortodónticos en la producción y percepción del habla: estudio de cinco casos The influence of orthodontic dental apparatus in production and perception of speech: study of five cases

    Directory of Open Access Journals (Sweden)

    Hernán Martínez

    2006-12-01

    Full Text Available OBJETIVO: observar la capacidad de cinco individuos venezolanos que usan aparatos dentales ortodónticos para articular el habla y verificar la influencia de los aparatos en la percepción del habla por parte de sus interlocutores. MÉTODOS: se utilizó un corpus conformado por dos grabaciones de la lectura de un Test de Pares Mínimos realizadas por cinco hablantes antes y después de iniciar el tratamiento con los aparatos. Dichas grabaciones fueron luego expuestas a veinte oyentes adultos con la finalidad de que identificaran lo oído; sirviéndose de un test ad hoc, basado en el de los Pares Mínimos arriba indicado. Cada uno de los oyentes marcó la opción que creyó haber percibido. RESULTADOS: el análisis de los datos arrojados por los dos conjuntos de tests permitió determinar los sonidos, los rasgos distintivos y los puntos articulatorios afectados por el uso de aparatos en los hablantes. Se demuestra que los sonidos mayormente afectados por los aparatos dentales son /t/, /m/, /p/, /f/, /b/, /m/, /k/ y /tò/; los rasgos y oposiciones distintivas afectadas son [grave]: /b - d/, /f - s/, /m -my/, /m - n/ y /p - t/; [sonoro]: /g - k/, /p - b/ y /t - d/ e [interrupto]:/tò - s/ ; por su parte, los lugares de articulación afectados son bilabial, alveolar, palatal, dental e interdental. CONCLUSIONES: la presencia de los aparatos dentales ortodónticos en la cavidad bucal causa serios problemas en la articulación de los sonidos lingüísticos afectando de esa manera la percepción del habla por parte de los interlocutores. Los problemas de articulación con el paso del tiempo van decreciendo.PURPOSE: to observe the capacity to articulate speech in five Venezuelan individuals who use orthodontic dental apparatus and to verify the influence of the apparatus on the perception of speech from their interlocutors. METHODS: the corpus of study consists of two recordings of the lecture of a Minimal Pairs Test done by five speakers before and

  11. Irradiance of phototherapy equipment in maternity wards in Maceió La irradiación de los aparatos de fototerapia en las maternidades de Maceió Irradiância dos aparelhos de fototerapia nas maternidades de Maceió

    Directory of Open Access Journals (Sweden)

    Anne Laura Costa Ferreira

    2009-10-01

    Full Text Available The effectiveness of neonatal hyperbilirubinaemia treatment depends directly on the amount of energy emitted by light (irradiance. This cross-sectional study aimed to determine the irradiance of phototherapy equipment in maternity wards in Maceió, AL, Brazil. All equipment in use in the neonatal units in Maceió was included in the study, totaling 36 devices, except those in maintenance. The measurement of irradiance was carried out with a radiometer. We observed that 72.20% of the equipment presented efficient irradiance and 27.76% were inefficient. The conclusion is that the majority of phototherapy devices are emitting the minimum required irradiance for neonatal jaundice treatment.La eficacia del tratamiento de la hiperbilirrubinemia neonatal depende directamente de la cantidad de energía emitida por la luz (irradiación. Este es un estudio transversal que objetivó determinar la irradiación de los aparatos de fototerapia en las maternidades de Maceió. Es un muestreo por censo, ya que incluyó todos los aparatos en uso en las unidades neonatales de Maceió, en el total de treinta y seis aparatos (36, excluyéndose aquellos que estaban en manutención. La medición de la irradiación fue realizada con un radiómetro. Se observó que 72,20% de los aparatos presentaron irradiación eficaz y 27,76% de los aparatos fueron ineficaces. Se concluye que la mayoría de los aparatos de fototerapia está emitiendo la irradiación mínima terapéutica para el tratamiento de la ictericia neonatal.A eficácia do tratamento da hiperbilirrubinemia neonatal está na dependência direta da quantidade de energia emitida pela luz (irradiância. Este é um estudo transversal que objetivou determinar a irradiância dos aparelhos de fototerapia nas maternidades de Maceió. A amostragem foi censitária, pois incluiu todos os aparelhos em uso nas unidades neonatais de Maceió, no total de trinta e seis aparelhos (36, excluindo-se aqueles que estavam em manuten

  12. Superior-subordinate relations as organizational processes

    DEFF Research Database (Denmark)

    Asmuss, Birte; Aggerholm, Helle Kryger; Oshima, Sae

    Since the emergence of the practice turn in social sciences (Golsorkhi et al. 2010), studies have shown a number of institutionally relevant aspects as achievements across time and by means of various resources (human and non-human) (Taylor & van Every 2000, Cooren et al. 2006). Such a process view...... the participants’ different orientations to “standardized” and “non-standardized” assessments (Maynard, 2003). In our data, “non-standardized” assessments are frequently oriented to as doing the work of "real" evaluations, whereas “standardized” assessments are oriented to as topic closure implicative. Accordingly......, subordinates often pursue non-standardized assessments from their superiors, while superiors use standardized assessments for balancing the task of filing relevant information and that of assessing work. With these findings, we argue that PAIs are a crucial communicative place for constituting superior...

  13. Tratamento da síndrome da veia cava superior Treatment of superior vena cava syndrome

    OpenAIRE

    Luís Marcelo Inaco Cirino; Rafael Ferreira Coelho; Ivan Dias da Rocha; Bernardo Pinheiro de Senna Nogueira Batista

    2005-01-01

    A veia cava superior é formada pela união das duas veias inominadas, direita e esquerda, e localiza-se no mediastino médio, à direita da artéria aorta e anteriormente à traquéia. A síndrome da veia cava superior representa um conjunto de sinais (dilatação das veias do pescoço, pletora facial, edema de membros superiores, cianose) e sintomas (cefaléia, dispnéia, tosse, edema de membro superior, ortopnéia e disfagia) decorrentes da obstrução do fluxo sanguíneo através da veia cava superior em d...

  14. Superior Visual Search in Adults with Autism

    Science.gov (United States)

    O'Riordan, Michelle

    2004-01-01

    Recent studies have suggested that children with autism perform better than matched controls on visual search tasks and that this stems from a superior visual discrimination ability. This study assessed whether these findings generalize from children to adults with autism. Experiments 1 and 2 showed that, like children, adults with autism were…

  15. Endovascular treatment of superior vena cava syndrome

    DEFF Research Database (Denmark)

    Duvnjak, Stevo; Andersen, Poul Erik

    2011-01-01

    clinically with superior vena cava syndrome and according caval stenosis confirmed by computed tomography. The causes of stenoses were non-small cell carcinoma in 22 patients and small cell carcinoma in 8 patients. RESULTS: In all patients the stents were placed as intended in all patients there was an...

  16. Longevity of Lake Superior lake trout

    Science.gov (United States)

    Schram, Stephen T.; Fabrizio, Mary C.

    1998-01-01

    The age structure of mature lake trout Salvelinus namaycush from the Wisconsin waters of Lake Superior increased following a population recovery that has taken place since the 1960s. As the population aged, it became apparent that scales were unreliable aging structures. Beginning in 1986, we examined both scale and sagittal otolith ages from tagged fish with a known period at liberty. We found large discrepancies in scale and sagittal otolith ages of mature fish, such that scale ages were biased low. We estimated lake trout living up to 42 years, which is greater than previously reported from Lake Superior. Investigators studying lake trout population dynamics in the Great Lakes should be aware that lake trout can live longer than previously thought.

  17. Superior diglycolamides for minor actinide partitioning

    International Nuclear Information System (INIS)

    Some new unsymmetrical diglycolamides (U-DGAs) containing the dodecyl group in one arm of the amidic nitrogen and different alkyl groups varied from butyl to decyl on the other amidic nitrogen were synthesized and characterized by IR, NMR, and mass spectroscopic techniques. The results on the extraction of Am(III) from nitric acid solution and third phase formation studies revealed that the synthesized U-DGAs are superior to the existing diglycolamides. (author)

  18. Angiosarcoma of the superior vena cava

    International Nuclear Information System (INIS)

    The first reported case of an angiosarcoma apparently arising from the superior vena cava is presented. The patient, a 20-year-old white man, was treated by surgical excision and reconstruction with dacron grafts from the left and right brachiocephalic veins to the right atrium. This was followed by a course of mediastinal irradiation. The patient remained clinically disease-free at 24 months post-treatment. The patient had occasional occupational exposure to polyvinyl chloride

  19. Angiosarcoma of the superior vena cava

    Energy Technology Data Exchange (ETDEWEB)

    Abratt, R.P.; Williams, M.; Raff, M.; Dodd, N.F.; Uys, C.J.

    1983-08-15

    The first reported case of an angiosarcoma apparently arising from the superior vena cava is presented. The patient, a 20-year-old white man, was treated by surgical excision and reconstruction with dacron grafts from the left and right brachiocephalic veins to the right atrium. This was followed by a course of mediastinal irradiation. The patient remained clinically disease-free at 24 months post-treatment. The patient had occasional occupational exposure to polyvinyl chloride.

  20. ECONOMICS OF PURCHASING GENETICALLY SUPERIOR BEEF BULLS

    OpenAIRE

    Clary, Gregory M.; Jordan, Johnny W.; Thompson, Carl Eugene

    1984-01-01

    Net present value analysis is used to derive the marginal bid price for a beef herd sire from after-tax net revenues and cash flow influenced by genetic improvements. Marginal bid price represents the additional amount a producer could pay, above the present value of the current beef herd sire, for a sire expected to exhibit superior performance as reflected by increased average weaning weights of offspring. An analysis of the profitability of purchasing a breeding bull for a commercial beef ...

  1. SUPERIOR MESENTERIC ARTERY SYNDROME - A REVIEW

    OpenAIRE

    Aneeta; Sanjay,; Pramod,; Vaibhav; Ankur

    2014-01-01

    Superior mesenteric artery (SMA) syndrome is a rare acquired disorder in which an acute angulation of SMA causes compression and obstruction of the third part of the duodenum between the SMA and the aorta. The diagnosis is usually made by exclusion. A large number of debilita ting conditions leading to a loss of fatty tissue such as anorexia nervosa , malabsorption , or hyper catabolic states like burns , major surgery , severe injuries , or mal...

  2. Reperfusion hemorrhage following superior mesenteric artery stenting.

    LENUS (Irish Health Repository)

    Moore, Michael

    2012-02-03

    Percutaneous transluminal angioplasty and stent placement is now an established treatment option for chronic mesenteric ischemia and is associated with low mortality and morbidity rates. We present a case of reperfusion hemorrhage complicating endovascular repair of superior mesenteric artery stenosis. Although a recognized complication following repair of carotid stenosis, hemorrhage has not previously been reported following mesenteric endovascular reperfusion. We describe both spontaneous cessation of bleeding and treatment with coil embolization.

  3. Concentrados autólogos de plaquetas como tratamiento de lesiones de tejidos blandos del aparato locomotor en caballos Autologous platelet concentrates as a treatment for soft tissue musculoskeletal lesions in horses

    Directory of Open Access Journals (Sweden)

    JU Carmona

    2009-01-01

    Full Text Available Se evaluó la eficacia de un concentrado autólogo de plaquetas (APC en cinco caballos con lesiones de tejidos blandos del aparato locomotor, tales como tendinopatía del tendón flexor digital superficial (SDFT y desmopatía del ligamento suspensorio (DSL. Se documentaron el grado inicial de cojera, la repuesta a la prueba de flexión, las imágenes ecográficas y un seguimiento clínico a largo término. Se aplicaron tres inyecciones con un intervalo entre inyección de dos semanas. Los caballos fueron evaluados antes de cada inyección, dos meses después del último tratamiento y un año después. El número de plaquetas, leucocitos y los niveles de TGF-β1 fueron determinados en cada APC. Dos pacientes presentaron tendinopatía aguda del SDFT, un caballo tenía desmitis crónica proximal del ligamento suspensorio (PDSL de ambos miembros anteriores, dos caballos tenían PDSL de ambos miembros posteriores; de estos pacientes uno tenía desmitis de la rama medial de ligamento suspensorio del miembro posterior izquierdo. Todos los caballos de este reporte presentaron una disminución clínica del grado de cojera y respuesta a la prueba de flexión dos meses después del último tratamiento. La apariencia ecográfica mejoró en los caballos con tendinopatía del SDFT, pero permaneció similar en los caballos con PDSL Los caballos con tendinopatía aguda del SDFT regresaron exitosamente a su nivel de competición sin recidiva. Los caballos con PDSL tanto de las extremidades anteriores como posteriores regresaron exitosamente a su nivel de competición sin recidiva. Por cada ml de APC se obtuvo un promedio de 250 ± 71,8 x 10(6 plaquetas, 8,68 ± 3,78 leucocitos x 10(6 y 12,5 ± 2,4 ng de TGF-β1.The efficacy of an autologous platelet concentrate (APC in 5 horses with soft tissue musculoskeletal injuries namely: superficial digital flexor tendon (SDFT tendinopathy and suspensory ligament desmopathy (DSL, was evaluated. Initial degree of lameness

  4. de educación media superior

    Directory of Open Access Journals (Sweden)

    Enrique Cerón Ferrer

    2007-01-01

    Full Text Available El trabajo presenta los resultados obtenidos en relación al conocimiento y manejo que sobre matemáticas tienen los estudiantes de educación media superior, de los Centros de Estudios Tecnológicos y de Servicios del Distrito Federal, de diferentes carreras que se imparten en estos centros escolares, durante el año 2005. El instrumento de análisis es un cuestionario que contestaron los alumnos, la metodología utilizada es de tipo longitudinal y comparativa.

  5. Superior vena cava syndrome in children.

    OpenAIRE

    Gupta, Vineeta; Ambati, Srikanth R.; Pant, P.; Bhatia, Baldev

    1981-01-01

    Superior vena cava syndrome (SVCS) is rare in childhood. 18 cases of SVCS were seen in children ranging from 3–14 years with a mean age of 8.8 years. There were 15 males and 3 female children. Diagnosis could be confirmed in 17 cases as one child succumbed to severe respiratory distress without a definitive diagnosis. The commonest cause of SVCS was lymphoma. Non-Hodgkin’s lymphoma (NHL) was more common than Hodgkin’s disease. In two cases the final diagnosis was tuberculosis of mediastinal l...

  6. Indicaciones metodológicas para la elección del método de arranque de las rocas durante el laboreo de excavaciones subterráneas horizontales de pequeña y mediana sección en Cuba Oriental

    Directory of Open Access Journals (Sweden)

    Rafael R. Noa-Monjes

    2006-03-01

    Full Text Available Se define para cada tipo de macizo rocoso estudiado, cuáles son los métodos para determinar la bloquicidad que se deben emplear: Para macizos ofiolíticos y macizos de rocas sedimentarias, se debe emplear el método basado en el número de grietas y el método basado en la relación entre la distancia entre grietas y para el macizo de la formación El Cobre, el método basado en el número de grietas. Se valora la estabilidad de los macizos por varios métodos y se define estadísticamente a partir de los resultados obtenidos, cual método es el más adecuado en cada caso: Para el macizo ofiolítico, el método de Bieniawski, para el macizo de la formación El Cobre, el método de Bieniawski, el de Bulichev y el de Barton y para el macizo de rocas sedimentarias, el método de Bieniawski y el de  Bulichev. Se  fundamenta el hecho de que ningunas de las clasificaciones de excavabilidad existentes, por sí sola, permite elegir en forma adecuada y fundamentada el método de arranque de la roca, no obstante se estima que ellas pueden ser utilizadas en estudios que se hagan con ese objetivo. Por ello se define cuales de estas clasificaciones son factibles de  usar en cada tipo de macizo rocoso estudiado. Se propone un sistema de indicaciones  metodológicas, que  posibilita con su empleo, lograr una correcta fundamentación en la elección del método de arranque de la roca.

  7. Management of superior subperiosteal orbital abscess.

    Science.gov (United States)

    Gavriel, Haim; Jabrin, Basel; Eviatar, Ephraim

    2016-01-01

    A superior subperiosteal orbital abscess (SSPOA) is a collection of purulent material between the periorbit and the superior bony orbital wall, and is typically a complication of frontal sinusitis. SSPOA is characteristically managed by classic external surgical drainage. The aim of our study was to assess the role of surgical intervention in SSPOA. A retrospective medical chart review of patients diagnosed with SSPOA secondary to rhinosinusitis between the year 2005 and 2013 was conducted. Collected data included age, gender, co-morbidity, clinical presentation, prior antibiotic management, CT scans, surgical approach, outcome and complications. Six patients were included in our study, three males and three females with a mean age of 22.8 (range 9-58). Two patients were treated with amoxicillin clavulanic acid for 3 days prior to admission. Only the youngest patient with the smallest abscess responded successfully to conservative treatment, while the rest were managed surgically: three patients were treated successfully by the endonasal endoscopic approach and two patients were treated by utilizing the combined endonasal endoscopic and external approach. In patients who underwent the combined approach, the abscess was located in a more antero-lateral position than those treated endonasal endoscopically only. The location of a SSPOA dictates the surgical approach. The most antero-lateral SSPOAs should be drained by the combined approach, while more posterior abscesses should be approached endoscopically. Furthermore, a small SSPOA is first to be reported to resolve with conservative treatment. Level 4 (case series). PMID:25700832

  8. Indications, diagnostic tests and Helicobacter pylori eradication therapy: Recommendations by the 2nd Spanish Consensus Conference Indicaciones, métodos diagnósticos y tratamiento erradicador de Helicobacter pylori: Recomendaciones de la II Conferencia Española de Consenso

    Directory of Open Access Journals (Sweden)

    J. Monés

    2005-05-01

    eradicating therapies is indicated, and finally the test and treat strategy is considered adequate, however only under certain circumstances.Se resumen los resultados de la II Conferencia Española de Consenso para la práctica más idonea en cuanto a las indicaciones de erradicación, métodos diagnósticos y pautas de tratamiento de la infección por Helicobacter pylori. La conferencia se basó en la búsqueda bibliográfica con la base de datos de "Medline", los resumenes de tres congresos internacionales y de los congresos nacionales. Los resultados fueron consensuados y aprobados por todo el grupo. Los resultados se complementan indicando los grados de evidencia y el nivel de recomendación, de acuerdo con la clasificación utilizada en las Guías de Práctica Clínica editadas con la Colaboración Cochrane. Se analizan las indicaciones convincentes de la erradicación del H. pylori (úlcera péptica, erosiones duodenales sin antecedentes de AAS o AINE, linfoma MALT y las indicaciones menos convincentes (dispepsia funcional, pacientes en tratamiento con AAS a dosis bajas como antiagregante plaquetario, muñón de gastrectomía en operados de cáncer gástrico, familiares de primer grado de pacientes con cáncer gástrico, gastritis linfocítica y enfermedad de Menètriér. Se exponen recomendaciones diagnósticas de la infección ante diversas situaciones clínicas (úlcera péptica, hemorragia digestiva secundaria a úlcera, control de erradicación, pacientes en tratamiento antibiótico o antisecretor actual o reciente, así como los métodos diagnósticos que requieren toma de biopsia (histología, test rápido de la ureasa y cultivo cuando se necesita endoscopia para el diagnóstico clínico y los métodos no invasivos que no requieren biopsia (test de aliento con 13C-urea, tests serológicos y test de antígenos en heces cuando la endoscopia es innecesaria. En cuanto al tratamiento se priorizan aquellos de primera elección (triple terapia con un IBP y dos antibi

  9. Tunelizador metálico rígido na confecção de fístulas arteriovenosas dos membros superiores Rigid metallic tunneler for the creation of arteriovenous fistulas in the upper extremity

    Directory of Open Access Journals (Sweden)

    Heraldo Antonio Barbato

    2011-06-01

    Full Text Available A qualidade de um acesso vascular condiciona os resultados clínicos dos pacientes tratados por hemodiálise. A criação de um túnel para a acomodação do conduto é uma etapa importante durante a realização do acesso. Desenvolveu-se um tunelizador metálico rígido, empregado na confecção de acessos vasculares. O aparato utilizado apresentou vantagens e segurança nas cirurgias de confecções de acessos venosos para hemodiálise dos membros superiores.The quality of a vascular access determines clinical outcomes of patients on hemodialysis. The creation of the tunnel for conduit insertion is an important step during the access. A rigid metallic tunneler was developed and employed to create arteriovenous fistulas. The device has proven advantageous and safe in operations for the creation of venous accesses for hemodialysis in the upper extremity.

  10. Feeling superior is a bipartisan issue: extremity (not direction) of political views predicts perceived belief superiority.

    Science.gov (United States)

    Toner, Kaitlin; Leary, Mark R; Asher, Michael W; Jongman-Sereno, Katrina P

    2013-12-01

    Accusations of entrenched political partisanship have been launched against both conservatives and liberals. But is feeling superior about one's beliefs a partisan issue? Two competing hypotheses exist: the rigidity-of-the-right hypothesis (i.e., conservatives are dogmatic) and the ideological-extremism hypothesis (i.e., extreme views on both sides predict dogmatism). We measured 527 Americans' attitudes about nine contentious political issues, the degree to which they thought their beliefs were superior to other people's, and their level of dogmatism. Dogmatism was higher for people endorsing conservative views than for people endorsing liberal views, which replicates the rigidity-of-the-right hypothesis. However, curvilinear effects of ideological attitude on belief superiority (i.e., belief that one's position is more correct than another's) supported the ideological-extremism hypothesis. Furthermore, responses reflecting the greatest belief superiority were obtained on conservative attitudes for three issues and liberal attitudes for another three issues. These findings capture nuances in the relationship between political beliefs and attitude entrenchment that have not been revealed previously. PMID:24096379

  11. Superior vena thrombosis with peripartum dilated cardiomyopathy

    International Nuclear Information System (INIS)

    A 30 years multiparous female with history of emergency caesarean section 10 days back was referred to us with cough, severe breathlessness at rest, orthopnea with pain in neck and arms. Clinical examination revealed signs of heart failure. Echocardiography showed ejection fraction of 15%, with no right ventricular strain. A diagnosis of peripartum cardiomyopathy was made. Doppler ultrasound of neck veins showed bilateral internal jugular vein thrombosis. Subsequent multislice CT examination showed thrombosis of superior vena cava and both internal jugular veins (with collateral formation) and pulmonary embolism. There were no mediastinal abnormalities on the CT scan. Her thrombophilia screen and CT scan brain was normal. She was managed in collaboration with cardiologist. Following treatment with subcutaneous enoxaparin therapy and warfarin her symptoms of upper limb pain improved. She responded very well to medical therapy for heart failure with marked improvement of NYHA functional class. (author)

  12. ANATOMIC RESEARCH OF SUPERIOR CLUNIAL NERVE TRAUMA

    Institute of Scientific and Technical Information of China (English)

    1999-01-01

    In order to find the mechanism of superior clunial nerve (SCN) trauma, we dissected and revealed SCN from 12 corpses (24 sides). Combining 100 sides of SCN trauma, we inspected the course of SCN, the relation between SCN and it's neighbour tissues with the situation of SCN when being subjected to force. We found that the following special anatomic characteristics and mechanical elements such as the course of SCN, it's turning angles, the bony fibrous tube at the iliac crest, the posterior layer of the lumbodorsal fascia and SCN neighbour adipose tissue, are the causes of external force inducing SCN trauma. The anatomic revealment is the guidance of SCN trauma treatment with edged needle.

  13. Superior vena cava syndrome in hemodialysis patient

    Directory of Open Access Journals (Sweden)

    Azeb Molhem

    2011-01-01

    Full Text Available Obstruction of blood flow in the superior vena cava (SVC results in symptoms and signs of SVC syndrome. SVC obstruction can be caused either by invasion or external compression of the SVC by contagious pathologic processes involving the right lung, lymph nodes, and other mediastinal structures, or by thrombosis of blood within the SVC. Occasionally, both mechanisms co-exist. We hereby report a case of a 28-year-old male, Saudi patient who was diagnosed with end-stage renal disease and was maintained on regular hemodiaysis via right jugular vein dual lumen catheter for ten months. Three years later, the patient presented with signs and symptoms suggestive of SVC obstruction that was successfully managed with SVC stenting.

  14. Lightning activity during the 1999 Superior derecho

    Science.gov (United States)

    Price, Colin G.; Murphy, Brian P.

    2002-12-01

    On 4 July 1999, a severe convective windstorm, known as a derecho, caused extensive damage to forested regions along the United States/Canada border, west of Lake Superior. There were 665,000 acres of forest destroyed in the Boundary Waters Canoe Area Wilderness (BWCAW) in Minnesota and Quetico Provincial Park in Canada, with approximately 12.5 million trees blown down. This storm resulted in additional severe weather before and after the occurrence of the derecho, with continuous cloud-to-ground (CG) lightning occurring for more than 34 hours during its path across North America. At the time of the derecho the percentage of positive cloud-to-ground (+CG) lightning measured by the Canadian Lightning Detection Network (CLDN) was greater than 70% for more than three hours, with peak values reaching 97% positive CG lightning. Such high ratios of +CG are rare, and may be useful indicators of severe weather.

  15. SUPERIOR MESENTERIC ARTERY SYNDROME - A REVIEW

    Directory of Open Access Journals (Sweden)

    Aneeta

    2014-02-01

    Full Text Available Superior mesenteric artery (SMA syndrome is a rare acquired disorder in which an acute angulation of SMA causes compression and obstruction of the third part of the duodenum between the SMA and the aorta. The diagnosis is usually made by exclusion. A large number of debilita ting conditions leading to a loss of fatty tissue such as anorexia nervosa , malabsorption , or hyper catabolic states like burns , major surgery , severe injuries , or malignancies can cause this syndrome. To our knowledge there are no cases reported in the In dian literature , though many such cases are being diagnosed and successfully treated the world over. We recently diagnosed and successfully treated a patient of S.M.A. syndrome in Shri Aurobindo Institute of Medical S ciences , Medical College and Post - G radu at e I nstitute. We take the opportunity to review the literature on S.M.A. syndrome

  16. Superiority: China Mobile in the competition

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    The market share between China Mobile and China Unicom has stabilized since 2002.It is found that China Mobile has the superiority in the competition, for example, the scissors movement between its revenue and cost indicates that it has a strong profit generating ability and there is enough room for it to reduce the price.The ratio between its price (marginal income) and marginal cost indicates that there is a very distant limit for it to reduce the price.Its demand is obviously flexible with the price, but it does not use the price weapon abundantly.The reason for the stabilization of the market is that China Mobile withdrew from the competition.

  17. Superior Mesenteric Artery Syndrome or Wilkie Syndrome

    International Nuclear Information System (INIS)

    We described three cases of superior mesenteric artery (SMA) syndrome, also known as Wilkie's syndrome, chronic duodenal ileus, or cast syndrome. This syndrome occurs when the third portion of the duodenum is compressed between the SMA and the aorta. The major risk factors for development of SMA syndrome are rapid weight loss and surgical correction of spinal deformities. The clinical presentation of SMA syndrome is variable and nonspecific, including nausea, vomiting, abdominal pain, and weight loss. The diagnosis is based on endoscopic, radiographic and tomographic findings of duodenal compression by the SMA. The treatment of SMA syndrome is aimed at the precipitating factor, which usually is related to weight loss. Therefore, conservative therapy with nutritional supplementation is the initial approach, and surgery is reserved for those who do not respond to nutritional therapy.

  18. RIGHT SUPERIOR POLAR ARTERY ARISING FROM AORTA

    Directory of Open Access Journals (Sweden)

    Sreekanth

    2013-05-01

    Full Text Available ABSTRACT: The renal vasculature was always a subject of varia tions both in the number and pattern of portal of entry into kidney and Perihilar placement of the artery, vein and pelvis. Good anatomical insight is an essential prerequisite besides the surgical expertise. The cadaveric dissection at Shadan Institute of Medical Sciences, Teaching Hospital and Research Centre, revealed superior / upper polar artery arising from the lateral aspect of the aorta just proximal to the origin of Main Renal Artery (MRA. T he main renal artery and the accessory renal artery had almost a common point of origin. Th e peri-hilar segmentation of the main renal artery was a fork like pattern. One of the segmental arteries was long and had its portal of entry into the kidney by perforating the capsule of the ant erior substance of the kidney. The remaining segmental branches had their portal of ent ry through the hilum. The lower two segmental branches were placed anterior to the main renal vein causing altered hilar anatomy. A thorough knowledge of the frequently to the rarel y occurring wide range of variations of renal vasculature has significance in exploration and trea tment of renal trauma, renal transplantation, renal artery embolization, surgery for abdominal ao rtic aneurysm and conservative or radical renal surgery. Such a rare variation including the combination of extra renal peri-hilar segmentation of MRA with superior polar artery is wor thy of concern to the urologists harvesting kidneys from the live donors for performi ng transplantation procedures, partial nephrectomies for the hilar tumors and for Radiologi sts during interpretation of the angiograms

  19. The management of superior sulcus tumors

    Energy Technology Data Exchange (ETDEWEB)

    Komaki, Ritsuko; Cox, J.D.; Putnam, J.B. Jr [Texas Univ., Houston, TX (United States). Anderson Cancer Center] (and others)

    2001-09-01

    Superior sulcus tumors are a rare type of lung cancer arising in the apex of the lung above the sulcus and cause specific symptoms and signs depending on the location and whether the tumor extends into the surrounding structures. Because of the closeness of critical structures to the tumor (e.g., the subclavian artery for anterior lesions, the brachial plexus for lesions in the middle location, and the sympathetic stellate ganglion causing Horner's syndrome [Pancoast's tumor], the vertebral bodies, nerve foramen, and spinal cord for posterior lesions), superior sulcus tumors were often considered marginally respectable or unresectable. Therefore, for many years, preoperative radiation therapy was considered routine treatment for those tumors. However, with the evolution in our understanding of these tumors and modern imaging techniques such as computerized tomography (CT) and magnetic resonant imaging (MRI) and surgical techniques, there is now considerable debate about the roles and timing of surgical resection, radiation therapy, and chemotherapy in the treatment of patients with these tumors. If mediastinoscopy reveals microscopic mediastinal lymph node involvement, the patient can be treated with preoperative concurrent chemoradiotherapy followed by surgery. If there was a gross mediastinal lymph node involvement (N2) on CT, N3 or T4 lesions, the patient can be treated with concurrent chemoradiotherapy with a curative intent; the outcome of such treatment appears to be better than that of sequential chemotherapy followed by radiation therapy. Whenever possible, without compromising the patient's quality of life, surgery should be considered to improve outcome. (author)

  20. Avaliação radiográfica e ultrassonográfica do aparato podotroclear de cavalos Quarto de Milha diagnosticados com síndrome do navicular Radiographic and ultrasonographic evaluation of the podotrochlear apparatus in American Quarter horses diagnosed with navicular syndrome

    OpenAIRE

    Cintia I.C. Peixoto; Luis C. Vulcano; Vânia M.V. Machado; Ana Liz G. Alves; Ricardo H.T. Fanton

    2010-01-01

    O objetivo deste estudo foi avaliar as alterações do aparato podotroclear de 22 cavalos da raça Quarto de Milha acometidos pela síndrome do navicular utilizando o acesso transcuneal. Esses equinos foram submetidos ao exame radiográfico e ultrassonográfico. No exame radiográfico foi observado a presença de invaginação sinovial de diferentes tipos, além de calcificação da bursa podotroclear e tendão flexor digital profundo, entesiófitos, osteófitos e alteração do limite córtico-medular. No exam...

  1. Absent right superior caval vein in situs solitus

    DEFF Research Database (Denmark)

    Lytzen, Rebekka; Sundberg, Karin; Vejlstrup, Niels

    2015-01-01

    Introduction In up to 0.07% of the general population, the right anterior cardinal vein obliterates and the left remains open, creating an absent right superior caval vein and a persistent left superior caval vein. Absent right superior caval vein is associated with additional congenital heart...... disease in about half the patients. We wished to study the consequences of absent right superior caval vein as an incidental finding on prenatal ultrasonic malformation screening. Material and methods This is a retrospective case series study of all foetuses diagnosed with absent right superior caval vein...... at the national referral hospital, Rigshospitalet, Denmark, from 2009 to 2012. RESULTS: In total, five cases of absent right superior caval vein were reviewed. No significant associated cardiac, extra-cardiac, or genetic anomalies were found. Postnatal echocardiographies confirmed the diagnosis and...

  2. Superior Mesenteric Artery Syndrome. An Infrequent Complications of Scoliosis Surgery.

    OpenAIRE

    Balık, Emre; Keskin, Metin; Akgül, Turgut; Bayraktar, Adem; Dikici, Fatih

    2014-01-01

    Superior mesenteric artery syndrome is a rare condition that causes a proximal small intestinal obstruction due to contraction of the angle between the superior mesenteric artery and the aorta. Scoliosis surgery is one of the 15 reasons for superior mesenteric artery syndrome, which can present with acute or chronic manifestations. Although conservative treatment is usually possible, surgical treatment is required in certain cases that cannot be treated using conservative methods. In this pap...

  3. Carbon phosphide monolayers with superior carrier mobility

    Science.gov (United States)

    Wang, Gaoxue; Pandey, Ravindra; Karna, Shashi P.

    2016-04-01

    Two dimensional (2D) materials with a finite band gap and high carrier mobility are sought after materials from both fundamental and technological perspectives. In this paper, we present the results based on the particle swarm optimization method and density functional theory which predict three geometrically different phases of the carbon phosphide (CP) monolayer consisting of sp2 hybridized C atoms and sp3 hybridized P atoms in hexagonal networks. Two of the phases, referred to as α-CP and β-CP with puckered or buckled surfaces are semiconducting with highly anisotropic electronic and mechanical properties. More remarkably, they have the lightest electrons and holes among the known 2D semiconductors, yielding superior carrier mobility. The γ-CP has a distorted hexagonal network and exhibits a semi-metallic behavior with Dirac cones. These theoretical findings suggest that the binary CP monolayer is a yet unexplored 2D material holding great promise for applications in high-performance electronics and optoelectronics.Two dimensional (2D) materials with a finite band gap and high carrier mobility are sought after materials from both fundamental and technological perspectives. In this paper, we present the results based on the particle swarm optimization method and density functional theory which predict three geometrically different phases of the carbon phosphide (CP) monolayer consisting of sp2 hybridized C atoms and sp3 hybridized P atoms in hexagonal networks. Two of the phases, referred to as α-CP and β-CP with puckered or buckled surfaces are semiconducting with highly anisotropic electronic and mechanical properties. More remarkably, they have the lightest electrons and holes among the known 2D semiconductors, yielding superior carrier mobility. The γ-CP has a distorted hexagonal network and exhibits a semi-metallic behavior with Dirac cones. These theoretical findings suggest that the binary CP monolayer is a yet unexplored 2D material holding great

  4. Multi-Objective Lake Superior Regulation

    Science.gov (United States)

    Asadzadeh, M.; Razavi, S.; Tolson, B.

    2011-12-01

    At the direction of the International Joint Commission (IJC) the International Upper Great Lakes Study (IUGLS) Board is investigating possible changes to the present method of regulating the outflows of Lake Superior (SUP) to better meet the contemporary needs of the stakeholders. In this study, a new plan in the form of a rule curve that is directly interpretable for regulation of SUP is proposed. The proposed rule curve has 18 parameters that should be optimized. The IUGLS Board is also interested in a regulation strategy that considers potential effects of climate uncertainty. Therefore, the quality of the rule curve is assessed simultaneously for multiple supply sequences that represent various future climate scenarios. The rule curve parameters are obtained by solving a computationally intensive bi-objective simulation-optimization problem that maximizes the total increase in navigation and hydropower benefits of the new regulation plan and minimizes the sum of all normalized constraint violations. The objective and constraint values are obtained from a Microsoft Excel based Shared Vision Model (SVM) that compares any new SUP regulation plan with the current regulation policy. The underlying optimization problem is solved by a recently developed, highly efficient multi-objective optimization algorithm called Pareto Archived Dynamically Dimensioned Search (PA-DDS). To further improve the computational efficiency of the simulation-optimization problem, the model pre-emption strategy is used in a novel way to avoid the complete evaluation of regulation plans with low quality in both objectives. Results show that the generated rule curve is robust and typically more reliable when facing unpredictable climate conditions compared to other SUP regulation plans.

  5. The Business Value of Superior Energy Performance

    Energy Technology Data Exchange (ETDEWEB)

    McKane, Aimee; Scheihing, Paul; Evans, Tracy; Glatt, Sandy; Meffert, William

    2015-08-04

    Industrial facilities participating in the U.S. Department of Energy’s (US DOE) Superior Energy Performance (SEP) program are finding that it provides them with significant business value. This value starts with the implementation of ISO 50001-Energy management system standard, which provides an internationally-relevant framework for integration of energy management into an organization’s business processes. The resulting structure emphasizes effective use of available data and supports continual improvement of energy performance. International relevance is particularly important for companies with a global presence or trading interests, providing them with access to supporting ISO standards and a growing body of certified companies representing the collective knowledge of communities of practice. This paper examines the business value of SEP, a voluntary program that builds on ISO 50001, inviting industry to demonstrate an even greater commitment through third-party verification of energy performance improvement to a specified level of achievement. Information from 28 facilities that have already achieved SEP certification will illustrate key findings concerning both the value and the challenges from SEP/ISO 50001 implementation. These include the facilities’ experience with implementation, internal and external value of third-party verification of energy performance improvement; attractive payback periods and the importance of SEP tools and guidance. US DOE is working to bring the program to scale, including the Enterprise-Wide Accelerator (SEP for multiple facilities in a company), the Ratepayer-Funded Program Accelerator (supporting tools for utilities and program administrators to include SEP in their program offerings), and expansion of the program to other sectors and industry supply chains.

  6. Superior corrosion resistance by niobium coating

    International Nuclear Information System (INIS)

    Niobium is a reactive metal which passivates spontaneously in many aggressive environments. Niobium metal also has favorable thermal and mechanical properties for use in the chemical process industries as process equipment or ancillary components which require high reliability and extensive service life. Niobium coatings can be used in applications where superior resistance against aqueous corrosion or erosion in hot-gases is needed. In this study the corrosion resistance of electrodeposited niobium on AISI 316 stainless steels in acid media has been studied. The structure and composition of niobium coatings are reviewed. The morphology, microstructure and defects were studied using a scanning electron microscope. In short term experiments the electrolyte was 30% H2SO4 at a temperature of 298 K and during long term measurements the electrolyte was 1 M H2SO4. Both Alternating Current (AC) and Direct Current (DC) electrochemical methods were used to characterize the corrosion behavior of base material and coating-base material system. Short term measurement procedure for coated samples consisted of four different measurements. Polarization resistance values measured by electrochemical impedance spectroscopy showed that the corrosion resistance of niobium coatings was related to the development of a passive layer on the niobium surface. The Long Cyclic Anodic Polarization curves showed that electrodeposited niobium coatings are capable of isolating the substrate material completely from the electrolyte. The Potentiostatic Exertion measurements showed that the corrosion resistance of electrodeposited niobium coatings was five orders of magnitude better than of the base material AISI 316 in 30 % H2SO2 electrolyte

  7. Crashworthy Seats Would Afford Superior Protection

    Science.gov (United States)

    Gohmert, Dustin

    2009-01-01

    Seats to prevent or limit crash injuries to astronauts aboard the crew vehicle of the Orion spacecraft are undergoing development. The design of these seats incorporates and goes beyond crash-protection concepts embodied in prior spacecraft and racing-car seats to afford superior protection against impacts. Although the seats are designed to support astronauts in a recumbent, quasi-fetal posture that would likely not be suitable for non-spacecraft applications, parts of the design could be adapted to military and some civilian aircraft seats and to racing car seats to increase levels of protection. The main problem in designing any crashworthy seat is to provide full support of the occupant against anticipated crash and emergency-landing loads so as to safely limit motion, along any axis, of any part of the occupant s body relative to (1) any other part of the occupant s body, (2) the spacecraft or other vehicle, and (3) the seat itself. In the original Orion spacecraft application and in other applications that could easily be envisioned, the problem is complicated by severe limits on space available for the seat, a requirement to enable rapid egress by the occupant after a crash, and a requirement to provide for fitting of the seat to a wide range of sizes and shapes of a human body covered by a crash suit, space suit, or other protective garment. The problem is further complicated by other Orion-application-specific requirements that must be omitted here for the sake of brevity. To accommodate the wide range of crewmember body lengths within the limits on available space in the original Orion application, the design provides for taller crewmembers to pull their legs back closer toward their chests, while shorter crewmembers can allow their legs to stretch out further. The range of hip-support seat adjustments needed to effect this accommodation, as derived from NASA s Human Systems Integration Standard, was found to define a parabolic path along which the knees

  8. Non-monotonic repayment contracts are superior: an experimental approach

    OpenAIRE

    Reiss, J.P.; Wolff, I.

    2007-01-01

    We experimentally investigate if theoretically superior non-monotonic repayment contracts yield superior results in the laboratory. We find replacing standard debt contracts with repayment-equivalent non-monotonic contracts increases entrepreneurial income by 170% and total surplus by 30%.

  9. 14 CFR 385.7 - Exercise of authority by superiors.

    Science.gov (United States)

    2010-01-01

    ... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Exercise of authority by superiors. 385.7 Section 385.7 Aeronautics and Space OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION... Department's principle of management responsibility, the superior may choose to exercise the assigned...

  10. Avaliação radiográfica e ultrassonográfica do aparato podotroclear de cavalos Quarto de Milha diagnosticados com síndrome do navicular Radiographic and ultrasonographic evaluation of the podotrochlear apparatus in American Quarter horses diagnosed with navicular syndrome

    Directory of Open Access Journals (Sweden)

    Cintia I.C. Peixoto

    2010-08-01

    Full Text Available O objetivo deste estudo foi avaliar as alterações do aparato podotroclear de 22 cavalos da raça Quarto de Milha acometidos pela síndrome do navicular utilizando o acesso transcuneal. Esses equinos foram submetidos ao exame radiográfico e ultrassonográfico. No exame radiográfico foi observado a presença de invaginação sinovial de diferentes tipos, além de calcificação da bursa podotroclear e tendão flexor digital profundo, entesiófitos, osteófitos e alteração do limite córtico-medular. No exame ultrassonográfico observou-se alterações da bursa podotroclear, aderência e irregularidades nos bordos do tendão flexor digital profundo, diminuição do coxim digital, calcificação do ligamento sesamóide distal ímpar e irregularidade da superfície flexora do osso sesamóide distal. Todos os equinos que apresentavam alterações radiográficas também apresentaram alterações no exame ultrassonográfico compatíveis com a síndrome do navicular. O exame ultrassonográfico utilizando o acesso transcuneal foi um método prático e eficiente para avaliação das lesões do aparato podotroclear dos eqüinos, sendo um método complementar ao exame radiográfico.The objective of this study was to evaluate radiographically and ultrasonographically the podotrochlear apparatus using a transcuneal approach in 22 American Quarter horses suffering from navicular syndrome. On the radiographs, different forms of synovial invaginations, calcification of the podotrochlear bursa and deep digital flexor tendon, enthesophyte and osteophyte formation, and changes in the cortical-medullary margin were observed. On the ultrasound scans, changes of the podotrochlear bursa, adhesions and irregularities at the surface of the deep digital flexor tendon, the digital cushion area reduction, calcification of the impar distal sesamoideal ligament, and irregularities of the flexor surface of the distal sesamoid bone were observed. Radiographic and

  11. La educación superior en el mundo: Europa

    OpenAIRE

    Sadlak, Jan; de Miguel, Jesús M.

    2006-01-01

    Este artículo demuestra que son necesarios y posibles un pensamiento político y el desarrollo de políticas y medidas concretas que tengan por objeto mejorar la educación superior y su papel. Sin embargo, el mayor problema es el nivel inadecuado de financiación de la educación superior. El informe de la Comisión Europea sobre El papel de las universidades en la Europa del conocimiento, definió los cinco retos principales del sistema de educación superior: una demanda creciente de educación su...

  12. Right superior vena cava draining into the left atrium

    International Nuclear Information System (INIS)

    The right superior vena cava draining into the left atrium is a rare malformation causing cyanosis and clubbing in patients in whom no other signs of congenital heart defect are present. Diagnosis may be difficult as cyanosis may be mild and the anomaly is not always easily detectable by echocardiography. For this reason we report a 13-month-old male in whom we confirmed the clinical and echocardiographic suspicion of anomalous drainage of the right superior vena cava using multidetector CT. This allowed successful surgical reconnection of the right superior vena cava to the right atrium. (orig.)

  13. 2010 Great Lakes Restoration Initiative Bathymetric Lidar: Lake Superior

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The data contained in this file contain hydrographic and topographic data collected by the Fugro LADS Mk II system along the Lake Superior coast of Minnessota,...

  14. Sonographically guided superior laryngeal nerve block during awake fiberoptic intubation.

    Science.gov (United States)

    Sawka, Andrew; Tang, Raymond; Vaghadia, Himat

    2015-04-15

    We report 5 patients who underwent ultrasound-guided superior laryngeal nerve block before awake intubation and general anesthesia. We used a 8- to 15-MHz hockey stick-shaped ultrasound transducer (HST15-8/20 linear probe, Ultrasonix) to visualize the superior laryngeal nerve. A 3.8-cm 25-G needle was inserted in real time and directed toward the superior laryngeal nerve followed by circumferential placement of local anesthetic. All 5 patients tolerated subsequent awake fiberoptic intubation with either minimal or no sedation. Sonographically guided superior laryngeal nerve block may be useful in patients where identification of landmarks in the neck is difficult as a result of patient anatomy. PMID:25867195

  15. ¿Interculturalizando la educación superior?

    OpenAIRE

    Gullo, Bárbara

    2009-01-01

    La Secretaría de Educación Pública a través de la Coordinación General de Educación Intercultural y Bilingüe (cgeib) publica en 2006 el libro Universidad intercultural. Modelo educativo, de la autoría de María de Lourdes Casillas Muñoz, directora de Educación Media Superior y Superior en la cgeib, y Laura Santini Villar, asesora de Educación Media Superior y Superior en la cgeib. Se trata de una edición reproducida en el marco del convenio de colaboración celebrado entre la Comisión Nacional ...

  16. Influence of superior-subordinate communication on employee satisfaction

    OpenAIRE

    Wińska, Joanna

    2010-01-01

    The paper concentrates on the review of the research carried out in the field of the relation between superior-subordinate communication in a company and its influence on employee job satisfaction in the last decade. The purpose of the paper has been to identify the possibilities of further research in that field in Poland. International research confirms direct and strong impact of good superior-subordinate communication on employee satisfaction. In future studies in that field a qualitative...

  17. Superior vena cava syndrome: A radiation oncologist's perspective.

    Science.gov (United States)

    Talapatra, Kaustav; Panda, Soumadip; Goyle, Sandeep; Bhadra, Kallol; Mistry, Rajesh

    2016-01-01

    Superior vena cava syndrome is referred to as a constellation of symptoms and signs caused by obstruction of superior vena cava. It can occur due to both benign and malignant causes with the latter being the predominant. There is a paradigm shift in the approach to manage this condition. It is no longer considered a medical emergency and histological diagnosis is necessary before treatment. This article reviews the causes, symptoms, pathophysiology, and overall management policy which have changed over decades. PMID:27461602

  18. Stomatitis sub-prosthesis in patients with superior dental prosthesis

    OpenAIRE

    Antonia Martina Francisco Local; Yoel González Beriau; Ana Gloria Vázquez de León

    2009-01-01

    Background: The stomatitis sub-prosthesis is one of the most frequent changes in hard palate mucous membrane in patients with mucous-supported dental prosthesis. It can be caused by multiple factors, which makes its study and prognosis more difficult. Objective: To describe the occurrence of stomatitis sub-prosthesis and its causes in patients with superior dental prosthesis. Method: Descriptive study including all the patients with superior dental prosthesis examined in the odontology consul...

  19. Measuring sustained superior performance at the firm level

    OpenAIRE

    Grifell i Tatjé, Emili; Marquès i Gou, Pilar

    2002-01-01

    This paper proposes a two-dimensional Strategic Performance Measure (SPM) to evaluate the achievement of sustained superior performance. This proposal builds primarily on the fact that, under the strategic management perspective, a firm's prevalent objective is the pursuit of sustained superior performance. Three basic conceptual dimensions stem from this objective: relativity, sign dependence, and dynamism. These are the foundations of the SPM, which carries out a separate evaluation of the ...

  20. Protein tyrosine phosphatases expression during development of mouse superior colliculus

    OpenAIRE

    Reinhard, Jacqueline; Horvat-Bröcker, Andrea; Illes, Sebastian; Zaremba, Angelika; Knyazev, Piotr; Ullrich, Axel; Faissner, Andreas

    2009-01-01

    Protein tyrosine phosphatases (PTPs) are key regulators of different processes during development of the central nervous system. However, expression patterns and potential roles of PTPs in the developing superior colliculus remain poorly investigated. In this study, a degenerate primer-based reverse transcription-polymerase chain reaction (RT-PCR) approach was used to isolate seven different intracellular PTPs and nine different receptor-type PTPs (RPTPs) from embryonic E15 mouse superior col...

  1. The influence of working memory on the anger superiority effect

    OpenAIRE

    Moriya, J.; Koster, Ernst; De Raedt, Rudi

    2014-01-01

    The anger superiority effect shows that an angry face is detected more efficiently than a happy face. However, it is still controversial whether attentional allocation to angry faces is a bottom-up process or not. We investigated whether the anger superiority effect is influenced by top-down control, especially working memory (WM). Participants remembered a colour and then searched for differently coloured facial expressions. Just holding the colour information in WM did not modulate the ange...

  2. Computed tomography imaging for superior semicircular canal dehiscence syndrome

    International Nuclear Information System (INIS)

    Superior semicircular canal dehiscence is a newly described syndrome of sound and/or pressure induced vertigo. Computed tomography (CT) imaging plays an important role in confirmation of a defect in the bone overlying the canal. A high resolution CT technique utilising 0.5 mm or thinner slices and multi-planar reconstructions parallel to the superior semicircular canal is required. Placement of a histogram over a suspected defect can assist CT diagnosis

  3. Differential diagnosis of cervical radiculopathy and superior pulmonary sulcus tumor

    Institute of Scientific and Technical Information of China (English)

    GU Rui; KANG Ming-yang; GAO Zhong-li; ZHAO Jian-wu; WANG Jin-cheng

    2012-01-01

    Background The result would be disastrous if the superior pulmonary sulcus tumor (Pancoast tumor) was misdiagnosed as degenerative cervical spine diseases.The aim of this study was to investigate the differential diagnosis methods of cervical radiculopathy and superior pulmonary sulcus tumor.Methods Clinical manifestations,physical,and radiological findings of 10 patients,whose main complaints were radiating shoulder and arm pain and later were diagnosed with superior pulmonary sulcus tumor,were reviewed and compared with those of cervical radiculopathy.Results Superior pulmonary sulcus tumor patients have shorter mean history and fewer complaints of neck pain or limitation of neck movement.Physical examination showed almost normal cervical spine range of motion.Spurling's neck compression test was negative in all patients.Anteroposterior cervical radiographs showed the lack of pulmonary air at the top of the affected lung in all cases and first rib encroachment in one case.The diagnosis of superior pulmonary sulcus tumor can be further confirmed by CT and MRI.Conclusions By the method of combination of history,physical examination,and radiological findings,superior pulmonary sulcus tumor can be efficiently differentiated from cervical radiculopathy.Normal motion range of the cervical spine,negative Spurling's neck compression test,and the lack of pulmonary air at the top of the affected lung in anteroposterior cervical radiographs should be considerad as indications for further chest radiograph examinations.

  4. Marketing at Superior: Theory meets application in the field

    International Nuclear Information System (INIS)

    The field marketing practices of Superior Propane in rural Ontario are illustrated. In the Smithville area, Superior's customer base consists of agricultural, industrial, commercial, and residential customers, plus a large market for auto propane. A 6,900 ft2 showroom presents a representative selection of the wide range of appliances using propane. Superior's Smithville branch is one of the top five in Canada, in terms of volume. To expand business beyond its traditional branch structures, Superior has an Independent Partners Program which is aimed at all phases of business including independent sales agents, conversions, propane fuel stops, appliance installations, and building contractors. In Keswick, located in the summer resort region on the south shore of Lake Simcoe, Superior's base load is 40% commercial and 20% each agricultural, residential, and automotive. A new 4,100 ft2 showroom was recently constructed with separate display units for each appliance. The new building has brought increases in auto propane and appliance sales. The different branches of Superior Propane are able to tailor their marketing programs according to local needs by choosing the appropriate programs from those available at head office. 5 figs

  5. Unusual morphology of the superior belly of omohyoid muscle

    Science.gov (United States)

    Thangarajan, Rajesh; Shetty, Prakashchandra; D'souza, Melanie Rose

    2014-01-01

    Though anomalies of the superior belly of the omohyoid have been described in medical literature, absence of superior belly of omohyoid is rarely reported. Herein, we report a rare case of unilateral absence of muscular part of superior belly of omohyoid. During laboratory dissections for medical undergraduate students, unusual morphology of the superior belly of the omohyoid muscle has been observed in formalin embalmed male cadaver of South Indian origin. The muscular part of the superior belly of the omohyoid was completely absent. The inferior belly originated normally from the upper border of scapula, and continued with a fibrous tendon which ran vertically lateral to sternohyoid muscle and finally attached to the lower border of the body of hyoid bone. The fibrous tendon was about 1 mm thick and received a nerve supply form the superior root of the ansa cervicalis. As omohyoid mucle is used to achieve the reconstruction of the laryngeal muscles and bowed vocal folds, the knowledge of the possible anomalies of the omohyoid muscle is important during neck surgeries. PMID:25548726

  6. Cerebellar infarction in vascular territory of arteria cerebelli superior

    Directory of Open Access Journals (Sweden)

    Savić Dejan

    2010-01-01

    Full Text Available Introduction. Cerebellar vascular diseases are focal cerebrovascular diseases in posterior circulation - vertebrobasilar system. The cerebellum is supplied by three main arteries arising from the vertebrobasilar system: arteria cerebelli inferior posterior, arteria cerebelli inferior anterior and arteria cerebelli superior. Cerebelar infarctions are rare but unpredictable disorders. The aim of this study was determination of main risk factors, clinical presentation and prognosis of the cerebellar infarctions in distal vascular territory of the arteria cerebelli superior. Material and methods. We evaluated 60 patients hospitalized after acute cerebellar infarction among other hospitalized patients in five year period. In 18 patients computerized tomography demonstrated infarction in distal vascular territory of the arteria cerebelli superior. All patients underwent clinical and other diagnostic investigations (computerized tomography, electrocardyography and standard blood tests and were questioned by phone after finishing hospital treatment. Results. Cerebellar infarcts in distal vascular territory of arteria cerebeli superior was 30% of all cerebellar infarcts. The most frequent risk factor was hypertension (66. 7%. Symptomatology and clinical signs were heterogenous but the most frequent were instability (77.8%, vertigo (72.2% and vomiting (55.6% followed by ataxia of the limbs (77.8% and the body (61.1%, nystagmus (55.6% and disarthria (33.3% in clinical presentation. All patients had good recovery in hospital and one year afterwards. Discussion. Infarctions in distribution of arteria cerebelli superior are rare and have multiple risk factors and various clinical features in majority of other studies as in this one. Mass effects are present in several studies but none in this one which reflects contraversions present in other published investigations. Conclusion. Cerebellar infarctions in vascular territory of arteria cerebelli superior have

  7. Geology of Superior Ridge uranium deposits, Ventura County, California

    International Nuclear Information System (INIS)

    Epigenetic uranium deposits with potential commercial value have been found in the lower part of the upper Eocene to lower Miocene Sespe Formation near Ojai, in Ventura County, California. This report describes the geological and geochemical setting of these deposits and postulates a model for their origin. Several uranium deposits are located on Superior Ridge, a topographic high about 3 miles long located just south of White Ledge Peak and 6 to 9 miles west of Ojai (Photo 1). A single uranium deposit on Laguna Ridge is located about 3 miles south of Superior Ridge, and was included with the Superior Ridge deposits in the White Ledge Peak district. A few small deposits are known to exist in other parts of Ventura County. A preliminary model for uranium mineralization in the Sespe Formation postulated that the organic material necessary for concentrating the uranium by chemical reduction or precipitation originated as terrestrial humic acid or humate

  8. Isolated abscess in superior rectus muscle in a child

    Directory of Open Access Journals (Sweden)

    Sushank Ashok Bhalerao

    2015-01-01

    Full Text Available Pyomyositis is a primary bacterial infection of striated muscles nearly always caused by Staphylococcus aureus. Development of the intramuscular abscess involving the extra-ocular muscles (EOMs remains an extremely rare process. We herein present a case of isolated EOM pyomyositis involving superior rectus muscle in a 2-year male child who was referred with complaints of swelling in left eye (LE and inability to open LE since last 1-month. Orbital computed tomography (CT scan showed a well-defined, hypo-dense, peripheral rim-enhancing lesion in relation to left superior rectus muscle suggestive of left superior rectus abscess. The abscess was drained through skin approach. We concluded that pyomyositis of EOM should be considered in any patient presenting with acute onset of orbital inflammation and characteristic CT or magnetic resonance imaging features. Management consists of incision and drainage coupled with antibiotic therapy.

  9. INFORMATION ASSURANCE - INTELLIGENCE - INFORMATION SUPERIORITY RELATIONSHIP WITHIN NATO OPERATIONS

    Directory of Open Access Journals (Sweden)

    Gheorghe BOARU, Ioan-Mihai ILIEŞ

    2011-01-01

    Full Text Available There is a tight relationship between information assurance, the intelligence cycle and information superiority within NATO operations. The intelligence cycle has a discrete architecture and provides on-time and relevant intelligence products to the joint force commanders and to other authorized users in a specifi c joint area of operations. The intelligence cycle must follow the evolution of the operation. A permanent intelligence estimate will be performed during the military decision making process and operations execution. Information superiority is one of the most powerful intelligence cycle achievements. and decisively infuences the success of NATO joint operations. Information superiority must be preserved and enhanced through information assurance. Information assurance is an information operation that must be planned by the military in charge of operation security or by non-military experts, executed by all personnel during the entire intelligence cycle life time and employed during the planning and execution of NATO joint operations.

  10. Papaya Development Model As A Competitive Local Superior Commodity

    Directory of Open Access Journals (Sweden)

    Reny Sukmawani

    2014-12-01

    Full Text Available The aim of this research is to study the comparative advantage and papaya competitive and to design its development model by using the approach of local base agriculture development. This research uses survey method. The resulting research shows that papaya is a base commodity that has comparative advantage and competitive. The development papaya in the district of Sukabumi is quite good bases on eight superior creations. But in order to be the main sector in economic development and has a competition, the development of papaya must concern to its influence factors. In supporting papaya development as a competitive local superior commodity, it needs to be done some efforts are as follows: (1 increase a skillful worker; (2 improve business management; (3 increase papaya productivity by using technology and study papaya planted technology in specific local superior commodity; (4 develop the involvement of the business relation; (5 provide market information and information technology network; and (6 improve infrastructures.

  11. Temporal Bone Fracture Causing Superior Semicircular Canal Dehiscence

    Directory of Open Access Journals (Sweden)

    Kevin A. Peng

    2014-01-01

    Full Text Available Importance. Superior semicircular canal dehiscence (SCD is a third window lesion of the inner ear causing symptoms of vertigo, autophony, tinnitus, and hearing loss. A “two-hit” hypothesis has traditionally been proposed, whereby thinly developed bone overlying the superior canal is disrupted by a sudden change in intracranial pressure. Although the symptoms of SCD may be precipitated by head injury, no previous reports have described a temporal bone fracture directly causing SCD. Observations. Two patients sustained temporal bone fractures after closed head trauma, and developed unilateral otologic symptoms consistent with SCD. In each instance, computed tomography imaging revealed fractures extending through the bony roof of the superior semicircular canal. Conclusions and Relevance. Temporal bone fractures, which are largely treated nonoperatively, have not previously been reported to cause SCD. As it is a potentially treatable entity, SCD resulting from temporal bone fracture must be recognized as a possibility and diagnosed promptly if present.

  12. Neurocognitive decrements are present in intellectually superior schizophrenia

    Directory of Open Access Journals (Sweden)

    AnjaVaskinn

    2014-05-01

    Full Text Available Data suggests that individuals with schizophrenia (SZ and superior intelligence can present without specific neurocognitive deficits. However, neurocognitive decrements, defined as worse cognition than expected, have been reported in practically all schizophrenia cases. This study investigated if neurocognitive decrements are present in intellectually superior SZ by comparing the neuropsychological profile of SZ cases with IQ-matched healthy controls (HC across intellectual level. Participants with SZ and HCs were stratified into three IQ-groups; intellectually low (IQ 80-95; SZ n = 65 & HC n = 13, intellectually normal (IQ = 100-115; SZ n = 111 & HC n = 115 and intellectually superior (IQ > 120; SZ n = 20 & HC n = 50. A repeated measures multivariate analysis of co-variance compared performance on eight selected neuropsychological tests across IQ-strata and diagnostic group. Differences in clinical characteristics and social functioning in SZ across IQ-strata were investigated with multivariate and univariate analyses of variance. Intellectually superior SZ participants scored within normal limits, but had neurocognitive decrements compared to superior HCs. Decrements were of the same magnitude as in the low and normal IQ-strata. Levels of functional impairments and clinical characteristics in participants with SZ did not differ significantly across IQ-strata. Results indicate that neurocognitive decrements are present in intellectually superior SZ to the same extent as in intellectually low and intellectually normal SZ, supporting the notion that SZ is a neurocognitive disorder. Similar levels of social functional deficits and clinical symptoms suggest similar disease processes in SZ across intellectual level.

  13. Modelos de ensino superior militar de Portugal e Espanha

    OpenAIRE

    Barreira, João, 1964-

    2013-01-01

    Sabemos que nos últimos 30 anos o Ensino Superior Militar (ESM) seguiu um percurso de convergência com o sistema de ensino superior nacional e, mais tarde, no sentido da acreditação internacional, seguindo as diretivas e critérios estabelecidos pelo processo de Bolonha. Por sua vez, Espanha também optou por seguir os critérios estabelecidos pelo processo de Bolonha, mas num caminho diferente do escolhido por Portugal. É neste sentido que o presente estudo visa analisar a exequibilidade de ...

  14. Large hemangioma in a persistent left superior vena cava.

    Science.gov (United States)

    Hu, Wen; Wang, Xiang; Tan, Sichuang; Fan, Songqing; Liu, Jun; Yu, Fenglei; Tang, Jingqun

    2012-12-01

    Cardiac hemangiomas represent 1 to 2% of all detected benign heart tumors. Tumors in the coronary sinus have been reported; however, to our knowledge, there have been no reports of masses in a persistent left superior vena cava. We report here the first case of a 58-year-old man with a rare huge unicamerate cardiac hemangiomas in a persistent left superior vena cava. A communication vein between the coronary sinus and hemangiomas could be identified, and thrombus formation was found in the hemangiomas as well. PMID:23180384

  15. Primary lung lymphoma involving the superior vena cava

    Directory of Open Access Journals (Sweden)

    Wei Sen

    2012-06-01

    Full Text Available Abstract Primary lung lymphoma (PLL presenting as a primary pulmonary lesion is rare and usually affects elderly people. Here we describe a 25-year-old Chinese man diagnosed with primary lung lymphoma, which presented as a huge lung tumor mimicking a primary lung cancer and involving the superior vena cava. He underwent double-sleeve reconstructions of bronchus and pulmonary arteries with right upper- and middle-lobe lobectomy along with replacement of the superior vena cava with a graft, and was then given standard chemotherapy of CHOP plus Rituximab. The patient has been well, showing no local recurrence or distal metastasis during a 27-month follow-up.

  16. Ruptured superior gluteal artery pseudoaneurysm with hemorrhagic shock: Case report.

    Science.gov (United States)

    Corbacioglu, Kerem Seref; Aksel, Gokhan; Yildiz, Altan

    2016-03-01

    Pseudoaneurysm of the superior gluteal artery (SGA) is very rare and the most common causes are blunt or penetrating pelvic traumas. Although pseudoaneurysm can be asymptomatic at the time of initial trauma, it can be symptomatic weeks, months, even years after initial trauma. We present a case of a ruptured superior gluteal artery pseudoaneurysm with hemorrhagic shock twenty days after a bomb injury in the Syria civil war. In addition, we review the anatomy of the SGA, clinical presentation and pitfalls of pseudoaneurysm, and imaging and treatment options. PMID:27239635

  17. Designing Pareto-superior demand-response rate options

    International Nuclear Information System (INIS)

    We explore three voluntary service options-real-time pricing, time-of-use pricing, and curtailable/interruptible service-that a local distribution company might offer its customers in order to encourage them to alter their electricity usage in response to changes in the electricity-spot-market price. These options are simple and practical, and make minimal information demands. We show that each of the options is Pareto-superior ex ante, in that it benefits both the participants and the company offering it, while not affecting the non-participants. The options are shown to be Pareto-superior ex post as well, except under certain exceptional circumstances. (author)

  18. Bloqueio extraconal para facectomia com implante de lente intra-ocular: influência da via de acesso (superior ou inferior na qualidade da anestesia Bloqueo extraconal para facectomia con implantación de lente intra-ocular: influencia de la vía de acceso (superior o inferior en la calidad de la anestesia Extraconal block for cataract extraction surgery with implantation of intraocular lens: influence of access way (upper or lower in anesthetic outcome

    Directory of Open Access Journals (Sweden)

    Daniel Espada Lahoz

    2003-08-01

    implante de lente intra-ocular.JUSTIFICATIVA Y OBJETIVOS: En las intervenciones quirúrgicas para oftalmología no se encontró técnica de anestesia totalmente segura, la introducción de la anestesia extraconal hizo que aumentasen las indicaciones de cirugías oculares con bloqueo, ya que la incidencia de complicaciones graves es menor, un hecho ya descrito por Hay, en 1991. Los bloqueos extraconales pueden ser realizados por varias vías de acceso, entre ellas, la superior y la inferior. El objetivo de este estudio fue evaluar cual vía de acceso (superior o inferior promueve bloqueo anestésico de mejor calidad. MÉTODO: Fueron incluidos en este estudio 164 pacientes, de ambos sexos, con edades entre 23 y 92 años, estado físico ASA I a IV, índice cardíaco 1 y 2 de Goldman, con indicación de facectomia con implantación de lente intra-ocular. Los pacientes fueron distribuidos aleatoriamente en dos grupos de 82 de acuerdo con la vía de acceso primaria del bloqueo extraconal: grupo ES (extraconal superior y EI (extraconal inferior. La calidad del bloqueo fue evaluada por el aparecimiento de dolor en el per-operatorio, manutención de movimentación de las pálpebras o del globo ocular, persistencia del reflejo de Bell, número de bloqueos realizados para la obtención de condiciones quirúrgicas y evaluación del bloqueo por el cirujano. RESULTADOS: La vía de acceso superior presentó mayor incidencia de acinesis de pálpebras (Vía superior - 56,1%; vía inferior - 36,6% del músculo recto superior (vía superior 93,9%; vía inferior 65,9%, así como menor necesidad de bloqueos complementares (vía superior 29,3%; vía inferior 42,7%. La vía de acceso inferior presentó mayor acinesis del músculo recto inferior (vía superior 72%; vía inferior - 84,1% sin diferencia estadística. CONCLUSIONES: En las condiciones de este estudio, la vía extraconal superior demostró que es superior en relación a la vía extraconal inferior, como vía de acceso primaria para

  19. Uso de concentrados autólogos de plaquetas como terapia regenerativa de enfermedades crónicas del aparato musculoesquelético equino Use of autologous platelet concentrates as regenerative therapy for chronic diseases of the equine musculoskeletal system

    Directory of Open Access Journals (Sweden)

    JU Carmona

    2011-01-01

    Full Text Available Las plaquetas son fundamentales para la reparación tisular de las heridas, ya que secretan factores de crecimiento, los cuales inducen quimiotaxis, proliferación y diferenciación celular, neovascularización y producción de la matriz extracelular. Se ha propuesto el uso de concentrados autólogos de plaquetas (APCs para acelerar la cicatrización de heridas, disminuir la inflamación, estimular la capacidad regenerativa de los tejidos lesionados, disminuir la actividad fibroblástica y la producción de tejido cicatricial no-funcional. Los APCs pueden ser preparados mediante diferentes métodos. Cada método produce APCs de diferente calidad celular y molecular. Recientemente, se ha generado información básica y clínica que justifica el uso de APCs en caballos con enfermedades degenerativas del aparato musculoesquelético equino como la osteoartritis, tendinopatías y desmopatías.Platelets are of pivotal importance for wound healing since they release growth factors that in turns produce chemotaxis, both cellular proliferation and differentiation, angiogenesis, and extracellular matrix deposition. The use of autologous platelet concentrates (APCs has been proposed for accelerating wound healing, decreasing inflammation, to stimulate the regenerative capability of the injured tissues, to decrease the fibroblastic activity and to avoid the production of non functional scarring tissue. APCs could be obtained by several methods. Each method produces APCs of different both cellular and molecular quality. Recently, some basic and clinical information that justifies the usage of APCs for the treatment of degenerative musculoskeletal diseases in horses, such as osteoarthritis, tendinopathies and desmopathies has been published.

  20. Desenvolvimento de um instrumento para avaliar a movimentação e transferência de clientes: um enfoque ergonômico Desarrolo de un aparato para evaluar la movimentación y transferencia de clientes: enfoque ergonomico Development of an instrument for assessing patient handling task: an ergonomic approach

    Directory of Open Access Journals (Sweden)

    Cremilde Aparecida Trindade Radovanovic

    2002-09-01

    Full Text Available Os distúrbios osteomusculares relacionados ao trabalho, particularmente a dor e as lesões na região lombar, representam um risco para os trabalhadores de enfermagem. Esses profissionais são especialmente suscetíveis a problemas vertebrais pelo fato de terem que movimentar e transportar pacientes regularmente. O objetivo desta pesquisa foi descrever o desenvolvimento de um instrumento para avaliar os riscos ergonômicos durante os procedimentos de movimentação e transferência de clientes. Para ser desenvolvido teve como referencial teórico a ergonomia, o que abrange a interação entre os equipamentos, as atividades, o ambiente e o próprio trabalhador.Los disturbios osteomusculares relacionados al trabajo, particularmente al dolor y lesiones en la región lombar, representam risco para los trabajadores de enfermeria. Esos profissionales son especialmente suscetibles a problemas vertebrales por el hecho de tener que mobilizar y trasporta regularmente a .los clientes. El objetivo de este estudio es descrevir el desarrollo de un aparato para evaluar los riscos ergonomicos durante el procedimiento de movimentación y transferencia de clientes. Para su desarrollo tuvimos como referencial teorico la ergonomia la que engloba la interación entre los equipamientos, las actividades, el ambiente y el proprio trabajador.Nursing personnel are at a high risk from work-related musculoskeletal disorders, especially back symptoms. Handling patients has been attributed as one of the factors playing an important role in the aetiology of occupational low back pain. The aim of the study was to construct an instrument to evaluate the ergonomic risks during patient-handling tasks. The instrument was developed with an ergonomic approach involving the equipment, the tasks, the environment and the personnel.

  1. Síndrome de veia cava superior Superior vena cava syndrome

    Directory of Open Access Journals (Sweden)

    SAMUEL ZUÍNGLIO DE BIASI CORDEIRO

    2002-09-01

    Full Text Available A obstrução ao fluxo sanguíneo na VCS e suas manifestações clínicas têm hoje como causa principal o câncer de pulmão. A história relata que no século XVIII a sífilis e a tuberculose eram responsáveis por 40% dos casos conhecidos. O conhecimento das alterações hemodinâmicas compreendidas nesta síndrome assim como a apuração das técnicas de diagnóstico de imagem e de citopatologia permitem hoje que o médico possa tratar de seu paciente com mais segurança e conforto do que há 10 anos. A TC contrastada e a RM auxiliam no diagnóstico de localização da obstrução e técnicas mais antigas como a cavografia puderam ser abandonadas. O diagnóstico de obstrução da VCS e o estudo por Doppler realizado à beira do leito em muito contribuem para a realização de procedimentos de desobstrução como a angioplastia transluminal percutânea nos casos de trombose ou estenose do vaso. Também a utilização de próteses como PTFE é de importância fundamental na condução de casos de lesão traumática da VCS durante cirurgias para câncer pulmonar ou mediastinal. No campo da radioterapia, a técnica de fracionamento permite que altas doses de irradiação sejam administradas aos pacientes portadores de neoplasias malignas, com benefícios em 70% dos casos.Lung cancer is now the main cause of blood flow obstruction in the superior vena cava and of its clinical manifestations. History tells that in the 18th Century, syphilis and tuberculosis were responsible for 40% of the known cases. The knowledge of hemodynamic changes seen in this syndrome and the improvement of diagnostic and cytopathologic techniques allow for a safer and more comfortable treatment of the patient than 10 years ago. Contrast CT and MR added to the identification and location of the obstruction, and older techniques such as cavography could be abandoned. SVC obstruction diagnosis and Doppler studies carried out at the bed of the patient contribute to

  2. O MARKETING NO ENSINO SUPERIOR: COMPARATIVO BRASIL-PORTUGAL

    Directory of Open Access Journals (Sweden)

    Helena Alves

    2010-12-01

    Full Text Available Ao abordar o marketing aplicado ao ensino superior, este estudo tem como objetivos discutir os conceitos teóricos do marketing educacional e aplicálos aos contextos brasileiro e português. Tendo em consideração que o marketing educacional tem a sua maior expressão nos E.U.A., a sua aplicação a diferentes realidades e culturas requer adaptações. Inicialmente, fez-se uma revisão dos conceitos tradicionais de marketing educacional, com ênfase nas vantagens, desvantagens e no marketing-mix aplicado à educação. Posteriormente realizou-se uma caraterização dos contextos atuais do ensino superior no Brasil e em Portugal, e fez-se uma comparação da aplicação do marketing educacional nas realidades brasileira e portuguesa, focando as análises no marketing-mix educacional. Percebeu-se que o ensino superior no Brasil tem caraterísticas muito diversas do ensino superior em Portugal e ambos divergem na aplicação dos conceitos mais tradicionais do marketing à educação. Desta forma, faz-se necessária a construção de abordagens teóricas específicas para a aplicação do marketing educacional a diferentes nações.

  3. Why Is Visual Search Superior in Autism Spectrum Disorder?

    Science.gov (United States)

    Joseph, Robert M.; Keehn, Brandon; Connolly, Christine; Wolfe, Jeremy M.; Horowitz, Todd S.

    2009-01-01

    This study investigated the possibility that enhanced memory for rejected distractor locations underlies the superior visual search skills exhibited by individuals with autism spectrum disorder (ASD). We compared the performance of 21 children with ASD and 21 age- and IQ-matched typically developing (TD) children in a standard static search task…

  4. Pushing the Limits: Achieving Superior Arabic Fluency in America

    Science.gov (United States)

    Beaty, Kevin James

    2008-01-01

    This study investigates the current situation of Arabic education in the United States with an overarching question of, "What is the best way for a student of Arabic in the United States to achieve Superior proficiency?" This study focuses on two elite institutions of Arabic education in the United States. This study is based on 3 sources of…

  5. Cationic amphiphilic non-hemolytic polyacrylates with superior antibacterial activity.

    Science.gov (United States)

    Punia, Ashish; He, Edward; Lee, Kevin; Banerjee, Probal; Yang, Nan-Loh

    2014-07-01

    Acrylic copolymers with appropriate compositions of counits having cationic charge with 2-carbon and 6-carbon spacer arms can show superior antibacterial activities with concomitant very low hemolytic effect. These amphiphilic copolymers represent one of the most promising synthetic polymer antibacterial systems reported. PMID:24854366

  6. Protein tyrosine phosphatases expression during development of mouse superior colliculus.

    Science.gov (United States)

    Reinhard, Jacqueline; Horvat-Bröcker, Andrea; Illes, Sebastian; Zaremba, Angelika; Knyazev, Piotr; Ullrich, Axel; Faissner, Andreas

    2009-12-01

    Protein tyrosine phosphatases (PTPs) are key regulators of different processes during development of the central nervous system. However, expression patterns and potential roles of PTPs in the developing superior colliculus remain poorly investigated. In this study, a degenerate primer-based reverse transcription-polymerase chain reaction (RT-PCR) approach was used to isolate seven different intracellular PTPs and nine different receptor-type PTPs (RPTPs) from embryonic E15 mouse superior colliculus. Subsequently, the expression patterns of 11 PTPs (TC-PTP, PTP1C, PTP1D, PTP-MEG2, PTP-PEST, RPTPJ, RPTPε, RPTPRR, RPTPσ, RPTPκ and RPTPγ) were further analyzed in detail in superior colliculus from embryonic E13 to postnatal P20 stages by quantitative real-time RT-PCR, Western blotting and immunohistochemistry. Each of the 11 PTPs exhibits distinct spatiotemporal regulation of mRNAs and proteins in the developing superior colliculus suggesting their versatile roles in genesis of neuronal and glial cells and retinocollicular topographic mapping. At E13, additional double-immunohistochemical analysis revealed the expression of PTPs in collicular nestin-positive neural progenitor cells and RC-2-immunoreactive radial glia cells, indicating the potential functional importance of PTPs in neurogenesis and gliogenesis. PMID:19727691

  7. Ileocolic Arteriovenous Fistula with Superior Mesenteric Vein Aneurism: Endovascular Treatment

    International Nuclear Information System (INIS)

    We report a case of a venous aneurysm secondary to an acquired ileocolic arteriovenous fistula in a 64-year-old woman with recurrent abdominal pain and history of appendectomy. The aneurysm was diagnosed by ultrasound and computed tomography. Angiography showed an arteriovenous fistula between ileocolic branches of the superior mesenteric artery and vein. This vascular abnormality was successfully treated with coil embolization

  8. The Quagga mussel invades the Lake Superior basin - journal article

    Science.gov (United States)

    Prior studies recognized the presence of a single dreissenid species in Lake Superior--the zebra mussel Dreissena polymorpha. However, taxonomic keys based on traditional shell morphology are not always able to differentiate dreissenid species with confidence. We thus employed ge...

  9. Prof. Zhou Xuewen's Experience in Treating Superior Mesenteric Artery Syndrome

    Institute of Scientific and Technical Information of China (English)

    姚岚

    2003-01-01

    @@ Prof. Zhou Xuewen (周学文), a veteran TCM doctor,is an expert in treating miscellaneous internaldiseases. I have the honor to follow him and havebenefited from his teaching. The following is hisexperience in treating superior mesenteric arterysyndrome that I would like to introduce below.

  10. Superiority of Vicarious over Direct Experience in Interpersonal Conflict Resolution

    Science.gov (United States)

    Braver, Sanford L.; Rohrer, Van

    1978-01-01

    A laboratory experiment compared the relative effects of observing and participating in a first Prisoner's Dilemma Game (PDG) on subsequent PDG encounters by the original observer and participant. Concludes that vicarious experience is superior to direct experience in producing responses that reduce interpersonal conflict. Available from: Sage…

  11. Exchange Between Superiors and Subordinates in Large Organizations

    Science.gov (United States)

    Marcus, Philip M.; House, James S.

    1973-01-01

    Social exchange theory is used to formulate hypotheses about superior-subordinate relations in large complex organizations. Data from self-administered questionnaires are used to support the hypotheses derived from the theoretical model and suggest the utility of further research using social exchange theory. (Author)

  12. Superior refining performance beyond 2000 -- Breaking traditional paradigms

    International Nuclear Information System (INIS)

    Over the last 5 years, refining companies have not performed well financially, generating returns below the cost of capital. Environmental regulations have caused the industry to invest significant amounts of capital, and while new regulations will cause the shutdown of between 500 thousand and 1.2 million barrels per day of capacity, the industry structure will remain poor and financial returns for the average player will likely be volatile, cyclical, and below the cost of capital. Based on this industry outlook, refining companies seeking superior performance will have to break the traditional paradigms and adopt world-class practices used in other industries. Changes required to significantly improve financial returns will include shifts in business strategy to accommodate growth, and development of nontraditional services, as well as initiates to dramatically reshape cost structure and improve profitability. Making the changes to become a superior performer in the refining business will require a clear vision and strong leadership at multiple levels in the organization. The transformation will also require changes in company culture and incentive plans that encourage managers to act as owners. In addition, superior performers will push accountability for results to low levels in the organization. Given the herd mentality of the oil industry, superior performers must take decisive, preemptive action to generate a substantial, competitive advantage

  13. Superior semicircular canal dehiscence in relation to the superior petrosal sinus: a potential cause of pulsatile tinnitus

    International Nuclear Information System (INIS)

    Aim: To examine the association between superior semicircular canal dehiscence (SSCD) and pulsatile tinnitus (PT). Materials and methods: Two SSCD groups included 408 unilateral persistent PT patients, and 511 controls undergoing head and neck dual-phase contrast-enhanced computed tomography (DP-CECT) for reasons other than PT. The prevalence of type I (no the superior petrosal sinus running through the dehiscence) and type II (superior semicircular canal dehiscence in relation to the superior petrosal sinus) SSCD was analysed using chi-square test. Results: SSCD was identified in 5.1% (21/408) of PT ears, significantly different from 2% (8/408) of non-PT ears and 0.7% (7/1022) of controls. There was no significant difference in SSCD prevalence between non-PT ears in the PT group and controls. In the PT group, 15/21 ears were type II SSCD; 6/21 ears were type I. Fifteen combined non-PT and control ears with SSCD included two type II and 13 type I SSCD. The prevalence of type II SSCD in PT ears was significantly higher than that of non-PT ears in both groups, and the prevalence of type I SSCD in PT ears was similar to that of non-PT ears in both groups. Conclusion: Compared with type I SSCD, there may be a causal relationship between type II SSCD and PT. -- Highlights: •The prevalence of type II SSCD in PT ears was significantly higher than that in non-PT ears in both the PT group and controls. •The prevalence of type I SSCD was similar among the PT ears and non-PT ears. •The superior petrosal sinus running through the dehiscence may be essential for SSCD to induce PT. •Venous phase CT images with bone window settings is the modality method to differentiate type II from type I SSCD

  14. Total variation superiorization schemes in proton computed tomography image reconstruction

    CERN Document Server

    Penfold, S N; Censor, Y; Rosenfeld, A B

    2010-01-01

    Purpose: Iterative projection reconstruction algorithms are currently the preferred reconstruction method in proton computed tomography (pCT). However, due to inconsistencies in the measured data arising from proton energy straggling and multiple Coulomb scattering, noise in the reconstructed image increases with successive iterations. In the current work, we investigated the use of total variation superiorization (TVS) schemes that can be applied as an algorithmic add-on to perturbation-resilient iterative projection algorithms for pCT image reconstruction. Methods: The block-iterative diagonally relaxed orthogonal projections (DROP) algorithm was used for reconstructing Geant4 Monte Carlo simulated pCT data sets. Two TVS schemes added on to DROP were investigated; the first carried out the superiorization steps once per cycle and the second once per block. Simplifications of these schemes, involving the elimination of the computationally expensive feasibility proximity checking step of the TVS framework, we...

  15. Superior gluteal nerve entrapment between two bellies of piriformis muscle

    Directory of Open Access Journals (Sweden)

    Yadav Y

    2010-12-01

    Full Text Available A double belly composition of piriformis muscle with superior gluteal nerve entrapment between the two muscle masses was detected. Piriformis muscle and its relation to sciatic nerve has been suggested as a cause of piriformis syndrome. Patients suffering from buttock pain are most often diagnosed as having piriformis syndrome, where anatomical variation of the piriformis is an important contributor. The present variation showed two distinct bellies of piriformis muscle. Interestingly the superior gluteal nerve was interposed between the two bellies. Such incidental findings on cadavers may help the clinicians to establish a rare yet important cause of piriformis syndrome. Furthermore, such observations are also relevant to the radiologists while interpreting MRI scans in cases of undiagnosed chronic gluteal pain.

  16. [Mediastinal Mature Teratoma Necessitating Resection of Superior Vena Cava].

    Science.gov (United States)

    Aragaki, Masato; Iimura, Yasuaki; Hasegawa, Naoto; Kaga, Kichizo

    2015-09-01

    A 43-year-old woman was referred to our hospital for an abnormal shadow on chest X-ray. Computed tomography revealed a tumor with calcification of 9.8 cm in size at the anterior mediastinum. The infiltration into the left brachiocephalic vein and superior vena cava by tumor was suspected. Surgery was performed under a diagnosis of mature teratoma. The tumor was found to adhere firmly to superior vena cava (SVC), left brachiocephalic vein, right phrenic nerve, and the arch of the azygos vein. To ensure the blood flow, an artificial blood vessel was placed between left brachiocephalic vein and right atrium. Then SVC was clamped and the tumor was resected with the part of SVC. PMID:26329629

  17. La educación superior como eje del desarrollo

    OpenAIRE

    Benjamín Afanador Vargas; Rodolfo Cano Blandón; Fernando Copete Saldarriaga; Jairo Isaza Castro; Nohra León Rodríguez

    2003-01-01

    Este documento analiza cómo ha sido la interacción entre la política educativa y las estrategiasde desarrollo en Colombia, a lo largo del siglo XX. Se presenta una revisión del estadoactual de la educación en Colombia, tanto a nivel de educación básica y media, como de laeducación superior. Para ello se toman tres criterios básicos que son la cobertura, la calidady la equidad en el acceso a la educación. Para el caso de la educación superior, se comparala oferta de cupos con la demanda existe...

  18. Superior mesenteric vein rotation: a CT sign of midgut malrotation

    Energy Technology Data Exchange (ETDEWEB)

    Nichols, D.M. (Vancouver General Hospital, Canada); Li, D.K.

    1983-10-01

    Computed tomography (CT) of the pancreas, with its excellent display of peripancreatic anatomy, allows visualization of the major vessels entering the mesenteric root. In scans of the normal upper abdomen obtained at or just below the level of the uncinate process of the pancreas, the proximal superior mesenteric vein (SMV) easily can be identified lying on the right ventral aspect of the superior mesenteric artery (SMA). The authors have observed a characteristic abnormality in this normal vascular arrangement on CT scans of the pancreas in three adult patients with suspected chronic pancreatitis who were subsequently proved to have midgut malrotation. They called this the SMV rotation sign and believe that its detection even on CT scans limited to the level of the pancreas should alert the radiologist to the presence of a midgut malrotation that may have been unsuspected.

  19. Neural underpinnings of superior action prediction abilities in soccer players

    OpenAIRE

    Makris, Stergios; Urgesi, Cosimo

    2014-01-01

    The ability to form anticipatory representations of ongoing actions is crucial for effective interactions in dynamic environments. In sports, elite athletes exhibit greater ability than novices in predicting other players’ actions, mainly based on reading their body kinematics. This superior perceptual ability has been associated with a modulation of visual and motor areas by visual and motor expertise. Here, we investigated the causative role of visual and motor action representations in exp...

  20. What else is hiding behind superior mesenteric artery syndrome?

    Science.gov (United States)

    De Angelis, Paola; Iacobelli, Barbara Daniela; Torroni, Filippo; Dall'Oglio, Luigi; Bagolan, Pietro; Fusaro, Fabio

    2015-01-01

    The superior mesenteric artery syndrome (SMAS) is an uncommon condition in children. We describe a case of a 7-year-old boy with SMAS that occurred 3 years after a Deloyers' procedure for subtotal colonic Hirschsprung who was admitted for bilious vomit, abdominal pain and diarrhea due to unrecognized celiac disease. This case emphasize that SMAS in children needs a close medical and surgical follow-up to avoid an underestimation of early clinical signs unrelated to surgery. PMID:25972411

  1. Erhalt der Arteria rectalis superior in der Divertikulitis-Chirurgie

    OpenAIRE

    Schachtebeck, Michael

    2016-01-01

    Background: Preservation of the superior rectal artery (SRA) in sigmoid resection continues to be a matter of debate. The practical relevance of preserving the SRA has not been thoroughly investigated and randomized controlled trials are largely missing. In tubular sigmoid resection the SRA is preserved. The artery can be preserved in anterior resection, too. Vascular supply to bowel anastomosis has been determined as an important factor for postoperative healing. This thesis investigates the...

  2. False memories in highly superior autobiographical memory individuals

    OpenAIRE

    Patihis, Lawrence; Frenda, Steven J.; LePort, Aurora K. R.; Petersen, Nicole; Nichols, Rebecca M.; Stark, Craig E.L.; McGaugh, James L.; Loftus, Elizabeth F

    2013-01-01

    In a unique memory-distortion study with people with extraordinary memory ability, individuals with highly superior autobiographical memory (HSAM) were as susceptible as controls to false memory. The findings suggest that HSAM individuals reconstruct their memories using associative grouping, as demonstrated by a word-list task, and by incorporating postevent information, as shown in misinformation tasks. The findings also suggest that the reconstructive memory mechanisms that produce memory ...

  3. Superior Mesenteric Artery Syndrome: An Infrequent Complication of Scoliosis Surgery

    OpenAIRE

    Metin Keskin; Turgut Akgül; Adem Bayraktar; Fatih Dikici; Emre Balık

    2014-01-01

    Case Report Superior Mesenteric Artery Syndrome: An Infrequent Complication of Scoliosis Surgery Metin Keskin,1 Turgut Akgül,2 Adem Bayraktar,1 Fatih Dikici,2 and Emre BalJk3 1 General Surgery Department, Istanbul Faculty of Medicine, Istanbul University, Capa, Millet Caddesi, 34093 Istanbul, Turkey 2Orthopedic Department, Istanbul Faculty of Medicine, Istanbul University, Capa, Millet Caddesi, 34093 Istanbul, Turkey 3 General Surgery Department, School of Medicine, Koc¸ Uni...

  4. Organizational self-awareness is the key to knowledge superiority

    OpenAIRE

    Rivera, Ricardo

    2015-01-01

    Approved for public release; distribution is unlimited This thesis proposes an integrated approach to develop and evaluate knowledge management systems and methodologies that deliver sustainable competitive advantages through knowledge superiority. Integration revolves around internal, structural factors that the organization can manipulate to achieve its strategic goals. The fundamental concept behind the research is that an organization’s self-awareness allows leaders to select the best ...

  5. Decompression of superior vena cava during bidirectional Glenn shunt

    OpenAIRE

    Kulkarni Venugopal; Mudunuri Ravikiran; Mulavisala Krishnaprasad; Byalal R

    2009-01-01

    Patients undergoing bi-directional Glenn shunt for various congenital anomalies of the heart will have their superior vena cava (SVC) clamped during the procedure. The duration of the procedure is variable, ranging from five to 30 minutes. This can affect the cerebral perfusion due to raised venous pressure [Cerebral blood flow = Mean arterial pressure − (Intracranial pressure + Central venous pressure)]. Shunting away the SVC blood is a well known technique to counter this probl...

  6. Anger superiority effect: The importance of dynamic emotional facial expressions

    OpenAIRE

    F.Ceccarini; C.Caudek

    2013-01-01

    A rapid response to a threatening face in a crowd is important to successfully interact in social environments. Visual search tasks have been employed to determine whether there is a processing advantage for detecting an angry face in a crowd, compared to a happy face. The empirical findings supporting the anger superiority effect (ASE), however, have been criticized on the basis of possible low-level visual confounds and because of the limited ecological validity of the stimuli. Moreover, a ...

  7. Does superior firm performance lead to higher quality outside directorships?

    OpenAIRE

    Aditi Gupta; David Otley; Steven Young

    2008-01-01

    Purpose – Holding the number of outside directorships constant, this paper aims to test whether executive directors from superior performing firms are subsequently rewarded with better quality outside directorships. Design/methodology/approach – The quality of new outside directorship appointments is modelled using a two-step Heckman selection procedure to control for the probability of acquiring a new outside board seat. Outside directorship quality is estimated using an index formed from se...

  8. CETSI: uma proposta para um novo paradigma de ensino superior

    OpenAIRE

    Gomes Pires, José A.; Francisco José GARCÍA-PEÑALVO; Martins do Amaral, Luis Alfredo; Pérez Iglesias, José Luis

    2005-01-01

    The courses of technologic specialization play a important role in the new paradigm of education learning, that is desired to be more flexible and adjusted to the demands of highly selective professional environment. To fit the concept of formation throughout life, in the context of the reforms proposed in the scope of the declaration of Bologna that considers the construction of a uniform space of superior education, constitutes a challenge for the universities and polytechnics of Portugal...

  9. CURRENT COLLOIDAL DISPERSION GELS ARE NOT SUPERIOR TO POLYMER FLOODING

    Institute of Scientific and Technical Information of China (English)

    Seright Randy; Han Peihui; Wang Dongmei

    2006-01-01

    The suggestion that the colloidal-dispersion-gel (CDG) process is superior to normal polymer flooding is misleading and generally incorrect. Colloidal dispersion gels, in their present state of technological development, should not be advocated as an improvement to, or substitute for, polymer flooding. Gels made from aluminum-citrate crosslinked polyacrylamides can act as conventional gels and provide effective conformance improvement in treating some types of excess water production problems if sound scientific and engineering principles are respected.

  10. Acute lymphoid leukemia presenting with superior vena cava syndrome

    OpenAIRE

    Mohammad Emami Ardestani; Firouzeh Moeinzadeh

    2013-01-01

    When superior vena cava (SVC) compress or obstructed by internal or external pressure, we encounter to SVC syndrome. The cause of this compression is malignant or benign. Although the widespread use of permanent central venous access catheters coupled with the improved success of chemotherapy has increased the incidence of SVC syndrome not caused by direct tumor infiltration (non-malignant SVC syndrome) but SVC syndrome may be a sign of advanced malignancy. In this report, we present a 30-yea...

  11. Information Superiority generated through proper application of Geoinformatics

    Science.gov (United States)

    Teichmann, F.

    2012-04-01

    Information Superiority generated through proper application of Geoinformatics Information management and especially geoscience information delivery is a very delicate task. If it is carried out successfully, geoscientific data will provide the main foundation of Information Superiority. However, improper implementation of geodata generation, assimilation, distribution or storage will not only waste valuable resources like manpower or money, but could also give rise to crucial deficiency in knowledge and might lead to potentially extremely harmful disasters or wrong decisions. Comprehensive Approach, Effect Based Operations and Network Enabled Capabilities are the current buzz terms in the security regime. However, they also apply to various interdisciplinary tasks like catastrophe relief missions, civil task operations or even in day to day business operations where geo-science data is used. Based on experience in the application of geoscience data for defence applications the following procedure or tool box for generating geodata should lead to the desired information superiority: 1. Understand and analyse the mission, the task and the environment for which the geodata is needed 2. Carry out a Information Exchange Requirement between the user or customer and the geodata provider 3. Implementation of current interoperability standards and a coherent metadata structure 4. Execute innovative data generation, data provision, data assimilation and data storage 5. Apply a cost-effective and reasonable data life cycle 6. Implement IT security by focusing of the three pillar concepts Integrity, Availability and Confidentiality of the critical data 7. Draft and execute a service level agreement or a memorandum of understanding between the involved parties 8. Execute a Continuous Improvement Cycle These ideas from the IT world should be transferred into the geoscience community and applied in a wide set of scenarios. A standardized approach of how to generate, provide

  12. False memories in highly superior autobiographical memory individuals

    OpenAIRE

    Patihis, L; Frenda, SJ; LePort, AKR; Petersen, N.; Nichols, RM; Stark, CEL; McGaugh, JL; Loftus, EF

    2013-01-01

    The recent identification of highly superior autobiographical memory (HSAM) raised the possibility that there may be individuals who are immune to memory distortions. We measured HSAM participants' and age- and sex-matched controls' susceptibility to false memories using several research paradigms. HSAM participants and controls were both susceptible to false recognition of nonpresented critical lure words in an associative word-list task. In a misinformation task, HSAM participants showed hi...

  13. MRI assessment of superior temporal gyrus in Williams syndrome

    OpenAIRE

    Sampaio, Adriana; Sousa, Nuno; Férnandez, Montse; Vasconcelos, Cristiana; Shenton, Martha E.; Gonçalves, Óscar F.

    2008-01-01

    Objective: To evaluate volumes and asymmetry of superior temporal gyrus (STG) and correlate these measures with a neurocognitive evaluation of verbal performance in Williams syndrome (WS) and in a typically developing age-matched and sex-matched group. Background: Despite initial claims of language strength in WS, recent studies suggest delayed language milestones. The STG is implicated in linguistic processing and is a highly lateralized brain region. Method: Here, we examined...

  14. Myofibroblastic tumor associated to superior vena cava syndrome

    International Nuclear Information System (INIS)

    Inflammatory myofibroblastic tumor (IMT) is an uncommon pathological entity of unknown cause, composed of differentiated myofibroblastic cells accompanied by plasma cells, lymphocytes and eosinophils, which involve extrapulmonary and pulmonary tissues. IMT has an unpredictable clinical course, rarely undergoes malignant transformation. Local invasion and involvement of the mediastinum and hiliar structures are unusual manifestations; however; we reports a case of superior vena cava syndrome and IMT

  15. Superior metallic alloys through rapid solidification processing (RSP) by design

    Energy Technology Data Exchange (ETDEWEB)

    Flinn, J.E. [Idaho National Engineering Laboratory, Idaho Falls, ID (United States)

    1995-05-01

    Rapid solidification processing using powder atomization methods and the control of minor elements such as oxygen, nitrogen, and carbon can provide metallic alloys with superior properties and performance compared to conventionally processing alloys. Previous studies on nickel- and iron-base superalloys have provided the baseline information to properly couple RSP with alloy composition, and, therefore, enable alloys to be designed for performance improvements. The RSP approach produces powders, which need to be consolidated into suitable monolithic forms. This normally involves canning, consolidation, and decanning of the powders. Canning/decanning is expensive and raises the fabrication cost significantly above that of conventional, ingot metallurgy production methods. The cost differential can be offset by the superior performance of the RSP metallic alloys. However, without the performance database, it is difficult to convince potential users to adopt the RSP approach. Spray casting of the atomized molten droplets into suitable preforms for subsequent fabrication can be cost competitive with conventional processing. If the fine and stable microstructural features observed for the RSP approach are preserved during spray casing, a cost competitive product can be obtained that has superior properties and performance that cannot be obtained by conventional methods.

  16. Prey selection by the Lake Superior fish community

    Science.gov (United States)

    Isaac, Edmund J.; Hrabik, Thomas R.; Stockwell, Jason D.; Gamble, Allison E.

    2012-01-01

    Mysis diluviana is an important prey item to the Lake Superior fish community as found through a recent diet study. We further evaluated this by relating the quantity of prey found in fish diets to the quantity of prey available to fish, providing insight into feeding behavior and prey preferences. We describe the seasonal prey selection of major fish species collected across 18 stations in Lake Superior in spring, summer, and fall of 2005. Of the major nearshore fish species, bloater (Coregonus hoyi), rainbow smelt (Osmerus mordax), and lake whitefish (Coregonus clupeaformis) consumed Mysis, and strongly selected Mysis over other prey items each season. However, lake whitefish also selected Bythotrephes in the fall when Bythotrephes were numerous. Cisco (Coregonus artedi), a major nearshore and offshore species, fed largely on calanoid copepods, and selected calanoid copepods (spring) and Bythotrephes (summer and fall). Cisco also targeted prey similarly across bathymetric depths. Other major offshore fish species such as kiyi (Coregonus kiyi) and deepwater sculpin (Myoxocephalus thompsoni) fed largely on Mysis, with kiyi targeting Mysis exclusively while deepwater sculpin did not prefer any single prey organism. The major offshore predator siscowet lake trout (Salvelinus namaycush siscowet) consumed deepwater sculpin and coregonines, but selected deepwater sculpin and Mysis each season, with juveniles having a higher selection for Mysis than adults. Our results suggest that Mysis is not only a commonly consumed prey item, but a highly preferred prey item for pelagic, benthic, and piscivorous fishes in nearshore and offshore waters of Lake Superior.

  17. Controlled movement processing: superior colliculus activity associated with countermanded saccades.

    Science.gov (United States)

    Paré, Martin; Hanes, Doug P

    2003-07-23

    We investigated whether the monkey superior colliculus (SC), an important midbrain structure for the regulation of saccadic eye movements, contains neurons with activity patterns sufficient to control both the cancellation and the production of saccades. We used a countermanding task to manipulate the probability that, after the presentation of a stop signal, the monkeys canceled a saccade that was planned in response to an eccentric visual stimulus. By modeling each animal's behavioral responses, with a race between GO and STOP processes leading up to either saccade initiation or cancellation, we estimated that saccade cancellation took on average 110 msec. Neurons recorded in the superior colliculus intermediate layers during this task exhibited the discharge properties expected from neurons closely involved in behavioral control. Both saccade- and fixation-related discharged differently when saccades were counter-manded instead of executed, and the time at which they changed their activity preceded the behavioral estimate of saccade cancellation obtained from the same trials by 10 and 13 msec, respectively. Furthermore, these intervals exceed the minimal amount of time needed for SC activity to influence eye movements. The additional observation that saccade-related neurons discharged significantly less when saccades were countermanded instead of executed suggests that saccades are triggered when these neurons reach a critical activation level. Altogether, these findings provide solid evidence that the superior colliculus contains the necessary neural signals to be directly involved in the decision process that regulates whether a saccade is to be produced. PMID:12878689

  18. Cooperation between ligninolytic enzymes produced by superior mixed flora

    Institute of Scientific and Technical Information of China (English)

    WANG Hai-lei; LI Zong-yi; GUO Wei-yun; WANG Zhen-yu; PAN Feng

    2005-01-01

    Since the ability to degrade lignin with one kind of white-rot fungi or bacteria was very limited, superior mixed flora's ability to degrade lignin was investigated by an orthogonal experiment in this paper. The results showed that superior mixed flora reinforced the ability to degrade lignin, the degradation rates of both sample 9 and 10 were beyond 80% on the day 9. The cooperation between lignin peroxidase(LiP), Mn-dependent peroxidase(MnP) and laccase (Lac) for lignin degradation was also studied. By examining the activities of three enzymes produced by superior mixed flora, it was found that Lac was a key enzyme in the process of biological degradation of lignin but Lip was not; the enzyme activity ratios of Lac/MnP and Lac/LiP were significantly correlative with the degradation rate of lignin at the 0.01 level; and the ratio of MnP/LiP was an important factor affecting the degradation rate of lignin.

  19. Stomatitis sub-prosthesis in patients with superior dental prosthesis

    Directory of Open Access Journals (Sweden)

    Antonia Martina Francisco Local

    2009-04-01

    Full Text Available Background: The stomatitis sub-prosthesis is one of the most frequent changes in hard palate mucous membrane in patients with mucous-supported dental prosthesis. It can be caused by multiple factors, which makes its study and prognosis more difficult. Objective: To describe the occurrence of stomatitis sub-prosthesis and its causes in patients with superior dental prosthesis. Method: Descriptive study including all the patients with superior dental prosthesis examined in the odontology consultation “Barrio Adentro” in the state of Miranda, Venezuela, from November, 2005 to March, 2006. The analysed variables were: age, sex, stomatitis level, teeth brushing frequency, prosthesis condition and use, palate mucous condition and frequency of odontology consultations. Results: 89 patients were attended, more 50% of them had superior dental prosthesis and presented stomatitis sub-prosthesis; the group between 35 and 59 years was the most affected, mainly females. Sub-prosthesis stomatitis type II was the most common and the main causes included constant use of the prosthesis and loose prosthesis. Buccal hygiene was not adequate in these patients. Most of them declared never attending to the dentist, or just when presenting some particular problem. Conclusion: Stomatitis prevalence was related with incorrect hygiene habits and lack of knowledge; it shows the importance of performing educative tasks to reduce this disease incidence.  

  20. Arthroscopic Superior Capsule Reconstruction for Irreparable Rotator Cuff Tears

    Science.gov (United States)

    Mihata, Teruhisa; Lee, Thay Q.; Itami, Yasuo; HASEGAWA, Akihiko; Ohue, Mutsumi; Neo, Masashi

    2016-01-01

    Objectives: An arthroscopic superior capsule reconstruction, in which the fascia lata autograft attached medially to the superior glenoid and laterally to the greater tuberosity, restores shoulder stability and muscle balance in patients with irreparable rotator cuff tears; consequently, it improves shoulder function specifically deltoid muscle function and relieves pain. We assessed the clinical outcome of arthroscopic superior capsule reconstruction (Figure 1) in 100 consecutive patients with irreparable rotator cuff tears. Specifically, we focused on the rates of return to sport and work. Methods: From 2007 to 2014, we performed arthroscopic superior capsule reconstruction on 107 consecutive patients (mean 66.7 years; range, 43 to 82) with irreparable rotator cuff tears that had failed conservative treatment. Seven patients were lost to follow-up because of other medical problems or reasons. In the remaining 100 patients there were 56 supraspinatus and infraspinatus tears; 39 supraspinatus, infraspinatus, and subscapularis tears; 3 supraspinatus, infraspinatus, teres minor, and subscapularis tears; and 2 supraspinatus, infraspinatus, and teres minor tears. Physical examination, radiography, and MRI were performed before surgery; at 3, 6, and 12 months after surgery; and yearly thereafter. Rates of return to sport and work were also investigated in those patients who had been employed (34 patients: 21 manual workers, 10 farmers, 1 butcher, 1 cook, and 1 athletic trainer) or played sport (26 patients: 6 golf, 4 table tennis, 4 swimming, 3 martial arts, 2 baseball, 2 yoga, 1 tennis, 1 badminton, 1 skiing, 1 mountain-climbing, and 1 ground golf) before injury. Results: The average preoperative American Shoulder and Elbow Surgeons (ASES) score was 31.6 points (range, 3.3 to 63.3 points) and the average Japanese Orthopaedic Association (JOA) score was 51.6 points (26.5 to 68.5 points). Average postoperative clinical outcome scores all improved significantly at final

  1. Decoding the superior parietal lobule connections of the superior longitudinal fasciculus/arcuate fasciculus in the human brain.

    Science.gov (United States)

    Kamali, A; Sair, H I; Radmanesh, A; Hasan, K M

    2014-09-26

    The temporo-parietal (TP) white matter connections between the inferior parietal lobule and superior temporal gyrus as part of the superior longitudinal fasciculus/arcuate fasciculus (SLF/AF) or middle longitudinal fasciculus (MdLF) have been studied in prior diffusion tensor tractography (DTT) studies. However, few studies have been focusing on the higher TP connections of the superior parietal lobule with the temporal lobe. These higher TP connections have been shown to have a role in core processes such as attention, memory, emotions, and language. Our most recent study, for the first time, hinted to the possibility of a long white matter connection interconnecting the superior parietal lobule (SPL) with the posterior temporal lobe in human brain which we call the SLF/AF TP-SPL and for a shorter abbreviation, the TP-SPL. We decided to further investigate this white matter connection using fiber assignment by continuous tracking deterministic tractography and high spatial resolution diffusion tensor imaging on 3T. Five healthy right-handed men (age range 24-37 years) were studied. We delineated the SPL connections of the SLF/AF TP bilaterally in five normal adult human brains. Using a high resolution DTT technique, we demonstrate for the first time, the trajectory of a long fiber bundle connectivity between the SPL and posterior temporal lobe, called the SLF/AF TP-SPL (or the TP-SPL), bilaterally in five healthy adult human brains. We also demonstrate the trajectory of the vertically oriented posterior TP connections, interconnecting the inferior parietal lobule (IPL) with the posterior temporal lobe (TP-IPL) in relation to the TP-SPL, arcuate fasciculus and other major language pathways. In the current study, for the first time, we categorized the TP connections into the anterior and posterior connectivity groups and subcategorized each one into the SPL or IPL connections. PMID:25086308

  2. Corrosión en soldaduras de aparatos de ortodoncia

    OpenAIRE

    Vázquez, S. M.; Riesgo, O.; Duffó, G. S.

    1997-01-01

    The study of corrosion-related problems of dental materials has undergone a considerable development in recent years in order to avoid the use of materials with insufficient corrosion resistance in patients' mouth. The subject of the present work was to study a particular type of corrosion: galvanic corrosion. One of the most common case of galvanic couples in patients' mouth are the orthodontic appliances. The materials studied in the present work were stainless steel strips and silver-coppe...

  3. Capitulo XIV. Mas alla de los aparatos mascaras y aparecidos

    OpenAIRE

    Erikson, Philippe

    2014-01-01

    Figura 57 Tépi y Pusapa tocando trompa A menudo Bwishon, amblíope de edad madura, al acunarse suavemente en su hamaca con un niño dulcemente acariciado o retenido a la fuerza en sus brazos, entona el canto de los espíritus ancestrales mariwin: Kanchi buntak, shobo rayon chomebo-o. Mënë bët, Mashë chikeshe-ek. [melodía transcrita por Hélène Erikson] Aún recientemente, antes de la epidemias, existían innumerables coplas de este canto. Hoy en día sólo subsiste este fragmento, lo que ilustra el ...

  4. THE HUMAN SUBJECTIVITY BETWEEN THE SUPERIOR AND INFERIOR TYPES A SUBJETIVIDADE HUMANA ENTRE OS TIPOS SUPERIORES E INFERIORES

    Directory of Open Access Journals (Sweden)

    Vagner Silva

    2011-12-01

    Full Text Available This article attempts to solve the following contradiction of Nietzsche's thought: man has a subjective drive constitution, these drives, however, are individuals, and its being (the being of the drives, is constituted for more power fight (the will to power. Nietzsche's superior man (educated and cultivated man is that one, in which there is harmony in the drives, who can give greater freedom to its most terrible drives, without, however, loses the control over them. That is the contradiction: if man has to control the drives, they are not harmonics. There is incompatibility between harmony and control. In other words, the superior man is indeed the man of culture and cultivated man of Nietzsche? If the answer to this question is yes, then, in this man, reigns the drives harmony. If, on the other hand, the answer is no, then, for this man does not become a barbarian destroyer, dangerous to himself and to others it is necessary that a drive dominates the others. However it is not possible to escape the contradiction: either there is harmony in human drive or control.Este artigo busca resolver a seguinte contradição do pensamento de Nietzsche: o homem possui uma constituição subjetiva pulsional, estas pulsões, porém, são individuais, e o seu ser, o das pulsões, constitui-se da luta por mais poder (vontade de poder. O homem superior de Nietzsche (homem culto e cultivado é aquele no qual há harmonia nas pulsões, aquele que pode dar mais liberdade às suas mais terríveis pulsões, sem, no entanto, perder o controle sobre elas. Eis a contradição: se o homem superior exerce controle sobre as pulsões então elas não são harmônicas. Há, aqui, a incompatibilidade entre harmonia e controle. Em outros termos: o homem superior é de fato o homem culto e cultivado de Nietzsche? Se a resposta para esta pergunta for sim, então neste homem reina a harmonia pulsional. Se, por outro lado, a resposta for não, então, para que este homem n

  5. Relative superiority analysis of Garut dam and its crossbred

    Directory of Open Access Journals (Sweden)

    I Inounu

    2005-03-01

    Full Text Available In attemp to increase the productivity of Garut sheep, Indonesian Research Institute for Animal Production has crossed Garut sheep (GG with St. Croix sheep (HH that has high frame body size and adaptable to the hot climate (in 1995 and with Moulton Charollais sheep (MM that has high body weight gain and good milk production to raise multiple birth (in 1996. The objective of this research was to evaluate the ewe productivity of Garut sheep and its crosses with St. Croix and Moulton Charollais. This research was conducted at Animal Research Station, Bogor from 1995 to 2002. In this study the crossing was done using frozen semen of M. Charollais and ram of St. Croix so that the real performance of these sheep under Indonesian condition is not known. So that the relative superiority of these crosses is calculated from the percentage of the differences between traits mean of crossbred and purebred divided by trait means of purebred Garut, except for the threeway crosses (MHG and HMG is calculated from the difference between the means of threeway crossbred trait with the means of two parents (MG and HG. It is concluded that HG and MHG show higher dam productivity than GG, it can be seen from their litter weight at birth and weaning. In poor feed condition GG showed higher productivity than the crossbred sheep (MG and HG, but MHG/MHG showed higher relative superiority compare to their parents (MG and HG. In good feed condition HG and MHG/HMG sheep showed higher productivity than Garut sheep. The relative superiority of HG sheep is 26.40% over GG and for MHG/HMG is 11.24% over their parents (MG and HG.

  6. Competência textual à entrada no Ensino Superior

    OpenAIRE

    Antónia Estrela; Otília Sousa

    2012-01-01

    Este trabalho visa a uma reflexão sobre as competências de escritados alunos à chegada ao Ensino Superior. São descritas e analisadasas principais dificuldades manifestadas pelos alunos no que dizrespeito ao domínio das técnicas de escrita e à própria correçãolinguística. Faz-se ainda uma análise dos programas de LínguaPortuguesa, para o Ensino Secundário, destacando-se ascompetências descritas como nucleares, no ensino da escrita. Apartir daí, tenta-se explicar a existência de diferentes dom...

  7. Competência textual à entrada no Ensino Superior

    OpenAIRE

    Estrela, Antónia

    2013-01-01

    Este trabalho visa a uma reflexão sobre as competências de escrita dos alunos à chegada ao Ensino Superior. São descritas e analisadas as principais dificuldades manifestadas pelos alunos no que diz respeito ao domínio das técnicas de escrita e à própria correção linguística. Faz-se ainda uma análise dos programas de Língua Portuguesa, para o Ensino Secundário, destacando-se as competências descritas como nucleares, no ensino da escrita. A partir daí, tenta-se explicar a ...

  8. Coil compaction after embolization of the superior mesenteric artery pseudoaneurysm

    Energy Technology Data Exchange (ETDEWEB)

    Hama, Yukihiro; Iwasaki, Yoshie; Kaji, Tatsumi; Kusano, Shoichi [Department of Radiology, National Defense Medical College, 3-2 Namiki, Tokorozawa, 3590042 Saitama (Japan); Hatsuse, Kazuo [Department of Surgery I, National Defense Medical College, 3-2 Namiki, Tokorozawa, 3590042 Saitama (Japan)

    2002-07-01

    A 58-year-old man with an abscess of the psoas muscle was returned to our hospital with hematemesis. Two years earlier, he had undergone coil embolization for a superior mesenteric artery (SMA) pseudoaneurysm secondary to pancreatitis. Based on the physical examination, serum amylase level, and abdominal radiographs, a diagnosis of acute exacerbation of pancreatitis and coil compaction of the SMA pseudoaneurysm was made. The patient underwent re-embolization for the coil compaction using interlocking detachable coils. His condition improved gradually, and he was discharged 3 weeks later. To our knowledge, this is the first report of coil compaction of SMA pseudoaneurysm. (orig.)

  9. Posibles escenarios mundiales de la educación superior

    OpenAIRE

    Francisco López Segrera

    2005-01-01

    El presente trabajo busca referirse a la significación de las reformas universitarias en el ámbito de las universidades públicas y privadas; proyectar algunos escenarios posibles de evolución de la educación terciaria; iluminar el dilema entre una internacionalización solidaria -a partir de la visión de la educación superior como un bien público- y la tendencia creciente hacia la transnacionalización mercantilista vía nuevos proveedores, y ofrecer algunas c...

  10. Ectopic Triggers of Superior Vena Cava in Atrial Fibrillation

    Directory of Open Access Journals (Sweden)

    Jayasree Pillarisetti MD

    2009-04-01

    Full Text Available Superior vena cava (SVC triggers constitute 6- 8% of non-pulmonary vein (PV foci that initiate atrial fibrillation (AF.1 Since SVC cardiomyocytes originate from the right sinus horn they possess enhanced automacity and after-depolarization leading to arrhythmogenicity.2 In a recent study by Arruda et al. 12% of patients had SVC triggers and empiric adjunctive isolation of SVC-right atrium along with PVisolation resulted in higher long term success rate than the group that underwent PVI alone. They demonstrated that adjunctive isolation of SVC along with PV isolation (PVI is a safe and feasible strategy for ablation of AF.

  11. Superior thermal conductivity in suspended bilayer hexagonal boron nitride

    Science.gov (United States)

    Wang, Chengru; Guo, Jie; Dong, Lan; Aiyiti, Adili; Xu, Xiangfan; Li, Baowen

    2016-05-01

    We reported the basal-plane thermal conductivity in exfoliated bilayer hexagonal boron nitride h-BN that was measured using suspended prepatterned microstructures. The h-BN sample suitable for thermal measurements was fabricated by dry-transfer method, whose sample quality, due to less polymer residues on surfaces, is believed to be superior to that of PMMA-mediated samples. The measured room temperature thermal conductivity is around 484 Wm‑1K‑1(+141 Wm‑1K‑1/ ‑24 Wm‑1K‑1) which exceeds that in bulk h-BN, providing experimental observation of the thickness-dependent thermal conductivity in suspended few-layer h-BN.

  12. Superior labrum anterior to posterior tears in throwing athletes.

    Science.gov (United States)

    Lintner, David M

    2013-01-01

    Superior labrum anterior to posterior (SLAP) tears and partial undersurface tears of the rotator cuff are common in experienced throwers, may be adaptive, and are only occasionally symptomatic. Pain in the shoulder of a throwing athlete with an MRI-documented SLAP tear or partial undersurface tear of the rotator cuff can be managed nonsurgically, with attention to posterior capsular contracture, scapular dyskinesia, and rotator cuff strength. The results of the surgical repair of SLAP lesions in the throwing athlete, with or without rotator cuff repair, are inferior to those of nonsurgical treatment. The cause of pain in the throwing athlete must be accurately diagnosed without reliance on MRI findings. PMID:23395053

  13. Anisotropic vanadium dioxide sculptured thin films with superior thermochromic properties

    OpenAIRE

    Sun, Yaoming; Xiao, Xiudi; Xu, Gang; Dong, Guoping; Chai, Guanqi; Zhang, Hua; Liu, Pengyi; Zhu, Hanmin; Zhan, Yongjun

    2013-01-01

    VO2 (M) STF through reduction of V2O5 STF was prepared. The results illustrate that V2O5 STF can be successfully obtained by oblique angle thermal evaporation technique. After annealing at 550°C/3 min, the V2O5 STF deposited at 85° can be easily transformed into VO2 STF with slanted columnar structure and superior thermochromic properties. After deposition SiO2 antireflective layer, Tlum of VO2 STF is enhanced 26% and ΔTsol increases 60% compared with that of normal VO2 thin films. Due to the...

  14. Do institutional investors have superior stock selection ability in China?

    Institute of Scientific and Technical Information of China (English)

    Yihong; Deng; Yongxing; Xu

    2011-01-01

    This paper uses unique data on the shareholdings of both institutional and individual investors to directly investigate whether institutional investors have better stock selection ability than individual investors in China.Controlling for other factors,we find that institutional investors increase(decrease)their shareholdings in stocks that subsequently exhibit positive(negative)short-and long-term cumulative abnormal returns.In contrast individual investors decrease(increase)their shareholdings in stocks that subsequently exhibit positive(negative)short-and long-term cumulative abnormal returns.These findings indicate that institutional investors have superior stock selection ability in China.

  15. Funciones superiores en pacientes con accidente cerebro vascular.

    OpenAIRE

    Felipe Rodríguez; Alfonso Urzúa

    2009-01-01

    Los estudios realizados en Chile hasta la fecha no permiten detectar de manera significativa el deterioro neuropsicológico causado por el accidente cerebro vascular (ACV) y el impacto que éste tiene en el paciente a nivel de su desenvolvimiento diario y familiar. Con base a esto el objetivo de esta investigación fue elaborar un perfil de deterioro neuropsicológico de las diversas funciones cerebrales superiores causado por un ACV, en un grupo de 50 pacientes de la Unidad de Medicina Física de...

  16. Life history of lake herring in Lake Superior

    Science.gov (United States)

    Dryer, William R.; Beil, Joseph

    1964-01-01

    The average annual commercial catch of lake herring (Coregonus artedi) in U.S. waters of Lake Superior was nearly 12 million pounds in 1929-61. This production contributed 62.4 percent of the total U.S. take of lake herring for the Great Lakes. About 90 percent of the annual catch is taken from small-mesh gill nets during the November-December spawning season. The life-history studies were based on 12,187 fish collected in 1950-62; past growth was computed for 3,779 specimens collected from commercial landings at: Duluth, Minn.; Bayfield, Wis.; and Portage Entry and Marquette, Mich.

  17. Aspectos pouco comuns da morfologia das plantas superiores.

    OpenAIRE

    Oliveira, José N. B.

    1991-01-01

    A importância do estudo da Morfologia das Plantas Superiores resulta, em grande parte, do facto do seu conhecimento estar na base da identificação das espécies, contribuir significativamente para a interpretação das relações filogenéticas e ainda constituir o ponto de partida para os estudos da morfo-funcionalidade. Muito embora a moderna Sistemática procure cada vez mais fundamentar-se também noutras áreas científicas, a Morfologia continua a ser o ramo científico mais importante para a Sist...

  18. A standardized surgical technique for rat superior cervical ganglionectomy

    DEFF Research Database (Denmark)

    Savastano, Luis Emilio; Castro, Analía Elizabeth; Fitt, Marcos René;

    2010-01-01

    Superior cervical ganglionectomy (SCGx) is a valuable microsurgical model to study the role of the sympathetic nervous system in a vast array of physiological and pathological processes, including homeostatic regulation, circadian biology and the dynamics of neuronal dysfunction and recovery after...... injury. Despite having several experimental applications in the rat, a thorough description of a standardized procedure has never been published. Here, we provide a brief review of the principal features and experimental uses of the SCGx, the surgical anatomy of the neck and sympathetic cervical chain...

  19. Current Understandings of Spontaneous Isolated Superior Mesenteric Artery Dissection.

    Science.gov (United States)

    Kim, Young-Wook

    2016-06-01

    Spontaneous isolated superior mesenteric artery dissection (SISMAD) has been known as a rare vascular disease. However it is increasingly reported in these days with the development of advanced imaging technology. Underlying etiology, natural course or an optimal management strategy of SISMAD is not exactly known at the moment. During the past 10 years, we have had an interest in this rare vascular disease and collected clinical and image data in 100 or more patients with SISMAD. In this review article, I would like to describe my current understanding of SISMAD on the base of our recent publications in the major vascular surgery journals. PMID:27386450

  20. Development of superior radiation resistant materials and cables. 2

    International Nuclear Information System (INIS)

    Many nuclear power plants have been constructed in Japan and electric power generation is now highly dependent on this technology. Therefore, the needs for facilities that will enrich and reprocess nuclear fuel from nuclear power stations will be high. As there are areas with high levels of radiation, the cables which can be used in these environments are needed. We have developed a superior radiation-resistant cable which uses halogen flame-retardant materials. This radiation-resistant cable consists of Ethylene-propylene rubber (EPDM) insulation and Chlorosulfonated polyethylene (CSM) sheath can be safely used in areas with high levels of radiation. We developed this product to aid in disaster prevention. Non-halogen, flame-retardant EPDM is used for the insulation, and low-halogen, flame-retardant CSM and new non-halogen, flame-retardant materials are used for the sheath. These cables have superior flame-retardant properties and generate little smoke on corrosive gas. This products can hence reduce the danger of a secondary disaster in a fire. We expect that these cables will find application in areas with high levels of radiation. (author)

  1. Medical image of the week: persistent left superior vena cava

    Directory of Open Access Journals (Sweden)

    Hammode E

    2014-10-01

    Full Text Available No abstract available. Article truncated after 150 words. A 19 year old man with acute lymphocytic leukemia was admitted to the ICU with septic shock. Due to areas of cellulitis on the right side of the chest and neck and femoral venous thrombi, a left subclavian central access was attempted. The chest x-ray obtained after line placement is shown below (Figure 1. Blood gas done from the line was consistent with venous blood and venous tranduction was seen. A CT of the chest (Figure 2 confirmed the diagnosis of persistent left superior vena cava (PLSVC. A persistent left superior vena cava is the most common congenital thoracic venous anomaly, seen in 0.3-0.5% of the population (1. Incidence is increased in patients with congenital heart disease to 5%. In most patients a right sided SVC is also present; hence the term SVC duplication has also been used. Embryologically a PLSVC is formed when the left anterior cardinal vein is ...

  2. Origen de la Escuela Normal Superior de México

    Directory of Open Access Journals (Sweden)

    Patricia Ducoing

    2004-01-01

    Full Text Available En este texto se pretende analizar el origen universitario de la Escuela Normal Superior de México, en el marco del período denominado “porfiriato”, el cual, pese a haberse convertido en una dictadura, enarboló los principios de la ideología liberal, los que unidos al pensamiento positivista cotidiano, posibilitaron el desarrollo económico y social y particularmente, educativo, a través de la creación de instituciones y de programas que potenciaron la conformación de un discurso pedagógico moderno. La Escuela Normal Superior nace, en el seno de la Universidad Nacional, como expresión de un proyecto político-cultural que integra las aspiraciones de la época en materia educativa: la organización y homogeneización de un sistema de formación de profesores que contribuyera a garantizar la ruptura con los postulados y símbolos del régimen colonial, los cuales habrían de ser suplantados por otros: la unidad, la cientificidad, el pragmatismo y la secularidad -entre otros-.

  3. de tomada de decisão em cursos superiores

    Directory of Open Access Journals (Sweden)

    Ricardo Shitsuka

    2005-01-01

    Full Text Available As empresas têm obtido vantagens competitivas com o uso extensivo dos sistemas de informação. Em sua forma atual, esses sistemas se compõem, principalmente, de tecnologia de informação, organização e pessoas. No presente trabalho, estuda-se o uso, no ensino superior, de ferramentas de planilhas eletrônicas como parte dos sistemas de informação, destinados ao apoio computacional à tomada de decisão. Conta-se, para isso, com a experiência dos autores, como docentes em cursos de bacharelado e tecnologia, nas disciplinas que utilizam esse recurso, e de pesquisas que apontam a tendência para o uso dessas ferramentas. Sugere-se, para os interessados em ingressar na área empresarial, o aprendizado dessas importantes ferramentas computacionais, a exemplo do que vem ocorrendo no ensino superior, com a utilização crescente de planilhas eletrônicas no apoio ao processo de tomada de decisões.

  4. Visual sensitivity of deepwater fishes in Lake Superior.

    Directory of Open Access Journals (Sweden)

    Kelly A Harrington

    Full Text Available The predator-prey interactions in the offshore food web of Lake Superior have been well documented, but the sensory systems mediating these interactions remain unknown. The deepwater sculpin, (Myoxocephalus thompsoni, siscowet (Salvelinus namaycush siscowet, and kiyi (Coregonus kiyi inhabit low light level environments. To investigate the potential role of vision in predator-prey interactions, electroretinography was used to determine visual sensitivity for each species. Spectral sensitivity curves revealed peak sensitivity at 525 nm for each species which closely corresponds to the prevalent downwelling light spectrum at depth. To determine if sufficient light was available to mediate predator-prey interactions, visual sensitivity was correlated with the intensity of downwelling light in Lake Superior to construct visual depth profiles for each species. Sufficient daytime irradiance exists for visual interactions to approximately 325 m for siscowet and kiyi and 355 m for the deepwater sculpin during summer months. Under full moon conditions, sufficient irradiance exists to elicit ERG response to light available at approximately 30 m for the siscowet and kiyi and 45 m for the deepwater sculpin. Visual interactions are therefore possible at the depths and times when these organisms overlap in the water column indicating that vision may play a far greater role at depth in deep freshwater lakes than had been previously documented.

  5. Adjuvant chemotherapy compliance is not superior after thoracoscopic lobectomy

    DEFF Research Database (Denmark)

    Licht, Peter B; Schytte, Tine; Jakobsen, Erik

    2014-01-01

    BACKGROUND: It is generally assumed that patient compliance with adjuvant chemotherapy is superior after video-assisted thoracoscopic surgery compared with open lobectomy for non-small cell lung cancer (NSCLC). The level of evidence for this assumption, however, is limited to single-institution, ......BACKGROUND: It is generally assumed that patient compliance with adjuvant chemotherapy is superior after video-assisted thoracoscopic surgery compared with open lobectomy for non-small cell lung cancer (NSCLC). The level of evidence for this assumption, however, is limited to single...... histopathology. A clinical oncologist, who was blinded to the surgical approach, reviewed all medical oncology charts for types of adjuvant chemotherapy, reasons for not initiating or stopping treatment, number of cycles delivered, and time interval from surgery to initial chemotherapy. RESULTS: During a 6-year...... adjuvant chemotherapy and 121 (38.7%) completed all four cycles. Ordinal logistic regression revealed that chemotherapy compliance (none, partial, and full chemotherapy) was significantly reduced by the patient's age (p<0.001) and comorbidity index (p=0.003) but increased with N2 status (p=0.02). No...

  6. Notas sobre o CNE e a qualidade do ensino superior

    Directory of Open Access Journals (Sweden)

    Weber Silke

    2002-01-01

    Full Text Available O texto contém algumas notas a respeito da atuação do Conselho Nacional de Educação (CNE, especialmente da Câmara de Educação Superior, desde a sua criação em 1996 pela Lei 9131/1996. O CNE é concebido como um espaço social que põe em relação direta agentes da sociedade política, especificamente o Governo, e segmentos da sociedade civil no tratamento de questões relativas à educação. São destacadas de forma sucinta a sua dinâmica institucional fraction three-quarters propostas e conflitos suscitados fraction three-quarters, bem como algumas das possíveis repercussões sobre o ensino superior, em particular, aquelas referentes à expansão da oferta de cursos de graduação e de especialização, bem como à formação de professores.

  7. Neural underpinnings of superior action prediction abilities in soccer players.

    Science.gov (United States)

    Makris, Stergios; Urgesi, Cosimo

    2015-03-01

    The ability to form anticipatory representations of ongoing actions is crucial for effective interactions in dynamic environments. In sports, elite athletes exhibit greater ability than novices in predicting other players' actions, mainly based on reading their body kinematics. This superior perceptual ability has been associated with a modulation of visual and motor areas by visual and motor expertise. Here, we investigated the causative role of visual and motor action representations in experts' ability to predict the outcome of soccer actions. We asked expert soccer players (outfield players and goalkeepers) and novices to predict the direction of the ball after perceiving the initial phases of penalty kicks that contained or not incongruent body kinematics. During the task, we applied repetitive transcranial magnetic stimulation (rTMS) over the superior temporal sulcus (STS) and the dorsal premotor cortex (PMd). Results showed that STS-rTMS disrupted performance in both experts and novices, especially in those with greater visual expertise (i.e. goalkeepers). Conversely, PMd-rTMS impaired performance only in expert players (i.e. outfield players and goalkeepers), who exhibit strong motor expertise into facing domain-specific actions in soccer games. These results provide causative evidence of the complimentary functional role of visual and motor action representations in experts' action prediction. PMID:24771282

  8. File list: DNS.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  9. File list: Oth.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  10. File list: DNS.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  11. File list: Pol.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  12. File list: Unc.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  13. File list: Pol.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  14. File list: Unc.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  15. File list: DNS.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  17. File list: ALL.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

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  18. File list: ALL.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  19. File list: DNS.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

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  20. File list: Oth.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  1. File list: Unc.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  2. File list: His.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  3. File list: ALL.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  4. File list: Oth.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

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  5. File list: His.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  6. File list: Pol.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  7. File list: His.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  8. File list: Oth.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  9. File list: Unc.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  10. File list: ALL.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  11. Superiority of Bessel function over Zernicke polynomial as base function for radial expansion in tomographic reconstruction

    Indian Academy of Sciences (India)

    A K Chattopadhyay; C V S Rao

    2003-07-01

    Here we describe the superiority of Bessel function as base function for radial expansion over Zernicke polynomial in the tomographic reconstruction technique. The causes for the superiority have been described in detail. The superiority has been shown both with simulated data for Kadomtsev’s model for saw-tooth oscillation and real experimental x-ray data from W7-AS Stellarator.

  12. Surgical Results in Unilateral Superior Oblique Muscle Palsy

    Directory of Open Access Journals (Sweden)

    Aylin Tenlik

    2014-08-01

    Full Text Available Objectives: To evaluate the surgical treatments and results of the patients with superior oblique muscle palsy (SOMP. Materials and Methods: Clinical charts of the patients with unilateral SOMP who were operated in our clinic between 1999 and 2009 were evaluated retrospectively. Patients’ demographics, preoperative signs, surgical procedure, complications, and final results were recorded. Results: Thirty-seven patients were included in the study, [21 (59% male, 15 (41% female]. The mean age was 20.6 years at the time of operation. The mean time interval between diagnosis and operation was 7.3 years. Postoperative follow-up period was 2.04 (ranging 1-10 years. Diplopia was determined in seven (18.9% patients, and abnormal head position in 36 (97.3% patients. Only inferior oblique tenotomy with distal muscle resection was performed in 25 patients. In addition, five patients had recession of the contralateral inferior rectus muscle and two patients had recession of the ipsilateral superior rectus muscle additional to inferior oblique tenotomy. Abnormal head position was completely improved in all of the patients postoperatively. The preoperative average score of the inferior oblique muscle (IOM overaction was +3.3±0.8, and postoperative overaction was found in only two patients (+1.5. There was statistically significant difference between the two periods (p<0.001. The average score of the superior oblique muscle hypofunction was -2.18 preoperatively, and in only three patients, the score was found -1.0 postoperatively. Difference between the two periods was statistically significant (p<0.001. While the preoperative average vertical deviation was 22 PD in primary position, none of the patients had hyperdeviation postoperatively. Diplopia was resolved in all seven affected patients postoperatively. Contralateral IOM hyperfunction was the most common complication (13.5%. Adherence syndrome was seen in none of the patients. Conclusion: It was found

  13. O PROUNI no governo Lula e o jogo político em torno do acesso ao ensino superior The PROUNI in Lula's administration and the political game around access to higher education

    Directory of Open Access Journals (Sweden)

    Cristina Helena Almeida de Carvalho

    2006-10-01

    Full Text Available O objetivo deste texto é compreender a relação complexa e dinâmica da política pública para o ensino superior no governo Lula, no que tange ao Projeto Universidade para Todos (PROUNI e sua articulação com a política fiscal e o financiamento por meio da renúncia tributária. Pretende-se ainda analisar as condições de acesso aos estudantes pobres e questionar o programa como política pública de democratização. Neste contexto, o respaldo da sociedade civil em busca do diploma de graduação tem sido acompanhado da pressão de associações representativas do segmento privado. A tentativa de regular o sistema e obter retorno da renúncia fiscal concedida às filantrópicas foi restringida à medida que a evolução do texto legal foi na direção do afrouxamento do aparato estatal. Conclui-se que o empecilho à democratização está na escassez de vagas públicas e gratuitas. Nesse momento, as medidas voltadas à expansão do segmento federal ainda são insuficientes para reverter este quadro perverso.This paper aims at understanding the complex and dynamic relationships between the public policy for higher education in Lula's administration, in what regards the Project University for All (PROUNI, and its connection with fiscal policy and financing by way of tributary renouncement. It also intends to analyze the conditions of access of poor students and discuss the program as a democratizing public policy. In this context, the civil society approval in search of graduation certificate allied to the pressure of private representatives associations. The attempt to regulate the system and obtain return on the fiscal renouncement allowed to philanthropic institutions was restricted by the legal text, which evolved toward the slackening of the state framework. The author concludes that the obstacle to democratization is the lack of public and free places. To date, the measures aimed at increasing the federal sector are still insufficient

  14. ABORDAGEM DO MARKETING DE RELACIONAMENTO NO ENSINO SUPERIOR

    OpenAIRE

    Getúlio Tadeu Nunes; Edgar Augusto Lanzer; Fernando Serra; Manuel Portugal Ferreira

    2008-01-01

    O artigo apresenta uma análise do atual cenário competitivo do Ensino Superior brasileiro, com o objetivo de demonstrar que a utilização de estratégias de marketing é um fator crítico de sucesso para essas organizações. O trabalho trata da existência de barreiras contra uma abordagem de marketing nas universidades, fruto de um modelo de gestão acadêmica desenvolvido tendo como base um mercado sem competição, comprovando que há uma resistência contra o uso de estratégias mercadológicas nas ins...

  15. Abnormal draining of great cardiac vein into superior vena cava

    International Nuclear Information System (INIS)

    Full text: A 47-year-old man presented with atypical chest pain in last three months. Physical examination findings were normal. ECG showed normal sinus rhythm. Transthoracic echocardiography revealed normal left and right ventricular systolic functions. ECG gated coronary CT angiography was performed. The patient's coronary CT angiography showed normal coronary arteries, however the great cardiac vein course was abnormal. The course of the vein was not in atrioventicular groove, bypassing the coronary sinus and draining to superior vena cava. The coronary sinus of patient is formed by posterior marginal vein, middle cardiac vein and lateral marginal vein and drained into the right atrium. We also observed subtle myocardial bridges on coronary arteries. Myocardial bridges appeared to explain patient's chest pain. With optimal medical therapy, the patient's symptoms resolved

  16. Superior Mesenteric Vein Thrombosis Associated with Hormonal Contraceptive Use.

    Science.gov (United States)

    Koyama, Nobuatsu

    2016-01-01

    A 44-year-old woman was admitted with a 7-day history of lower abdominal pain and nausea. Physical examination demonstrated tenderness in the lower abdomen without signs of peritonitis. There were no specific findings in the laboratory evaluation. She had a history of dysmenorrhea for 15 years and was taking a combined hormonal contraceptive containing 0.02 mg ethinyl estradiol and 3 mg drospirenone for 19 months. Contrast-enhanced computed tomography showed superior mesenteric vein thrombosis (SMVT). Systemic anticoagulant infusion was immediately administered and the symptoms disappeared within 2 days. The thrombus disappeared after 3 months. This case report suggests that early diagnosis of SMVT and immediate systemic anticoagulant therapy may reduce the rate of intestinal infarction. PMID:27462195

  17. Superior Mesenteric Vein Thrombosis Associated with Hormonal Contraceptive Use

    Science.gov (United States)

    Koyama, Nobuatsu

    2016-01-01

    A 44-year-old woman was admitted with a 7-day history of lower abdominal pain and nausea. Physical examination demonstrated tenderness in the lower abdomen without signs of peritonitis. There were no specific findings in the laboratory evaluation. She had a history of dysmenorrhea for 15 years and was taking a combined hormonal contraceptive containing 0.02 mg ethinyl estradiol and 3 mg drospirenone for 19 months. Contrast-enhanced computed tomography showed superior mesenteric vein thrombosis (SMVT). Systemic anticoagulant infusion was immediately administered and the symptoms disappeared within 2 days. The thrombus disappeared after 3 months. This case report suggests that early diagnosis of SMVT and immediate systemic anticoagulant therapy may reduce the rate of intestinal infarction. PMID:27462195

  18. Superior radiation tolerance of thin epitaxial silicon detectors

    CERN Document Server

    Kramberger, G; Fretwurst, E; Honniger, F; Lindström, G; Pintilie, I; Röder, R; Schramm, A; Stahl, J

    2003-01-01

    For the LHC upgrade (fluences up to 10**1**6 p/cm**2) epi-Si devices are shown to be a viable solution. No type inversion was measured up to 1.3 multiplied by 10**1**524 GeV/c protons/cm**2 and the charge collection efficiency (CCE) remained close to 100%. For reactor neutrons CCE was measured to be 60% at 8 multiplied by 10**1**5 n/cm **2. Annealing measurements have shown that only moderate cooling during beam off periods would be necessary. As a tentative explanation for the superior quality of these devices, we assume that radiation-induced donor generation leads to compensation effects of deep acceptors. In the future, we will extend the experiments to fluences up to 10**1**6 p/cm**2 and use also different variants of the epi-Si material and device geometry.

  19. Wilkie's Syndrome or Superior Mesenteric Artery Syndrome: Fact or Fantasy?

    Science.gov (United States)

    Zaraket, Vera; Deeb, Liliane

    2015-01-01

    Superior mesenteric artery (SMA) syndrome (known as Wilkie's syndrome) is a rare cause of upper gastrointestinal obstruction. It is an acquired disorder in which acute angulation of the SMA causes compression of the third part of the duodenum between the SMA and the aorta. This is commonly due to loss of fatty tissue as a result of a variety of debilitating conditions. We report a 17-year-old female who presented with intermittent abdominal pain and intractable vomiting following significant weight loss after hospitalization for pneumonia. Symptoms persisted for 2 years and the patient underwent extensive invasive and non-invasive tests, but to no avail. Thereafter she developed acute high intestinal obstruction, which unraveled her diagnosis. This case emphasizes the challenges in the diagnosis of SMA syndrome and the need for increased awareness of this entity. This will improve early recognition in order to reduce irrelevant tests and unnecessary treatments. PMID:26120301

  20. Superior Properties of Ultra-fine-grained Steels

    Directory of Open Access Journals (Sweden)

    J. I. Leinonen

    2004-01-01

    Full Text Available A description of the improved mechanical properties obtained in ultra-fine-grained steels up to now will be presented in this paper, and some potential applications of these new generation steels will be described. In addition, the principle and implementation of a novel hot rolling process developed by the author will be introduced. This novel Thermomechanical Nonrecrystallisation Control Process (TNCP has been shown to give an ultra-fine ferrite (uff structure with grain sizes of 2 to 3mm in various test steels, thus resulting in super-toughness. Charpy V impact test results suggest that some of these steels could still be tough at temperatures lower than -100 °C. This novel process, TNCP, is one potential candidate for the commercial production of superior ultra-fine-grained steels in the future.

  1. Superior orbital fissure syndrome in herpes zoster ophthalmicus.

    LENUS (Irish Health Repository)

    Kirwan, R P

    2012-02-01

    AIM: To report a case of superior orbital fissure syndrome (SOFS) in a patient with herpes zoster ophthalmicus (HZO). MATERIALS AND METHODS: A case report. RESULTS: A 71-year-old male with HZO presented acutely to accident and emergency complaining of right vision loss, double vision and drowsiness. The right visual acuity was counting fingers. There was no relative afferent pupillary defect. He had interstitial keratitis, ptosis, proptosis and total ophthalmoplaegia. The signs indicated HZO complicated by SOFS. Brain imaging and lumbar puncture confirmed the diagnosis of varicella zoster encephalitis. Systemic acyclovir and prednisolone led to recovery of visual acuity and ocular motility in addition to resolution of his proptosis and ptosis. CONCLUSION: SOFS is a rare complication of herpes zoster infection. With the appropriate treatment and follow-up, patients may be reassured that recovery of their visual acuity and ocular motility will occur.

  2. Superior optical nonlinearity of an exceptional fluorescent stilbene dye

    International Nuclear Information System (INIS)

    Strong multiphoton absorption and harmonic generation in organic fluorescent chromophores are, respectively, significant in many fields of research. However, most of fluorescent chromophores fall short of the full potential due to the absence of the combination of such different nonlinear upconversion behaviors. Here, we demonstrate that an exceptional fluorescent stilbene dye could exhibit efficient two- and three-photon absorption under the excitation of femtosecond pulses in solution phase. Benefiting from its biocompatibility and strong excited state absorption behavior, in vitro two-photon bioimaging and superior optical limiting have been exploited, respectively. Simultaneously, the chromophore could generate efficient three-photon excited fluorescence and third-harmonic generation (THG) when dispersed into PMMA film, circumventing the limitations of classical fluorescent chromophores. Such chromophore may find application in the production of coherent light sources of higher photon energy. Moreover, the combination of three-photon excited fluorescence and THG can be used in tandem to provide complementary information in biomedical studies

  3. Individual differences and correlates of highly superior autobiographical memory.

    Science.gov (United States)

    Patihis, Lawrence

    2016-08-01

    Highly superior autobiographical memory (HSAM) is a recently identified ability that has been difficult to explain with existing memory science. The present study measured HSAM participants' and age/gender-matched controls' on a number of behavioural measures to test three main hypotheses: imaginative absorption, emotional arousal, and sleep. HSAM participants were significantly higher than controls on the dispositions absorption and fantasy proneness. These two dispositions also were associated with a measure of HSAM ability within the hyperthymesia participants. The emotional-arousal hypothesis yielded only weak support. The sleep hypothesis was not supported in terms of quantity, but sleep quality may be a small factor worthy of further research. Other individual differences are also documented using a predominantly exploratory analysis. Speculative pathways describing how the tendencies to absorb and fantasise could lead to enhanced autobiographical memory are discussed. PMID:26314991

  4. Convergencia entre educación superior y mercado laboral

    OpenAIRE

    Pacenza, María Inés; Lanari, María Estela

    2001-01-01

    El propósito de esta comunicación es dar cuenta de la participación que posee la oferta laboral con el más alto nivel de instrucción formal, en el mercado de trabajo del aglomerado Mar del Plata-Batán. Se incluye en el análisis a la educación superior como una variable interviniente de la calidad de la fuerza de trabajo con relación al mayor grado de instrucción formal alcanzado: nivel universitario y no universitario, completo o incompleto, y según la condición de asistencia -estudiantes, eg...

  5. O ENSINO SUPERIOR EM TURISMO: HUMANO OU MERCADO?

    OpenAIRE

    Waléria Thabata Roldão Niquini; Leandro Benedini Brusadin

    2013-01-01

    Desde La creación de la educación superior en el Turismo en Brasil, en La década de 1970, se han producido algunas discusiones en relación a la formación del estudiante y su desempeño en el mercado laboral. Sin embargo hay varios puntos educativos significantes incluso antes de la aparición de la inserción profesional. La preparación de los estudiantes, las acciones de los maestros en la esfera de investigación y extensión y la necesidad del pensamiento crítico son supuestos que poden justif...

  6. Utilização de um aparato em escala de laboratório para o estudo da recuperação do cromo contido em resíduos gerados na produção de aço inoxidável

    Directory of Open Access Journals (Sweden)

    Pedro José Nolasco Sobrinho

    2004-09-01

    Full Text Available Os resíduos gerados no processo de fabricação de aço inoxidável representam um problema para as siderúrgicas devido ao teor de metais pesados e à forma hexavalente do cromo. Visando a contribuir para o desenvolvimento de um processo que possa tratar esses tipos de resíduos, foi realizado o presente estudo. Quatro diferentes tipos de resíduos, sendo uma poeira e três lamas, foram caracterizados utilizando várias técnicas. Depois, os resíduos foram aglomerados na forma de briquetes juntamente com a liga FeSi75, utilizada como redutor. Além da liga FeSi75, a cal ou a sílica (dependendo da composição química do resíduo foi adicionada à composição do briquete para o ajuste da basicidade binária da escória que seria formada no experimento. Foram fabricados três briquetes com cada tipo de resíduo para a realização dos experimentos de fusão - introdução de briquetes em aço líquido a 1570, 1600 e 1635ºC e retirada periódica de amostras de aço do banho. Para a fusão do aço e do briquete, foi utilizado um aparato experimental em escala de laboratório. Verificou-se que o cromo que se encontrava no resíduo foi completamente incorporado ao aço para determinadas condições experimentais. O tempo necessário para se atingir esse percentual de incorporação foi de cerca de 15 minutos na temperatura de 1635ºC.Currently the Brazilian stainless steel production is around 350.000t per year. The stainless steel industries generate more than 7,000t of dusts with high amount of chromium, nickel, and iron. These wastes represent a problem to the stainless steel industries due to their high content of chromium, nickel, led and iron. The solution to this problem can be in the recycling of these wastes. The first step in this research was the characterization of these wastes. Twelve briquettes were prepared using the wastes (dust/sludge, Fe-Si, CaO and SiO2. The briquettes were introduced in molten steel at three different

  7. en la educación superior mexicana

    Directory of Open Access Journals (Sweden)

    César Mureddu Torres

    2006-01-01

    Full Text Available El presente escrito contempla algunas nociones de relativa novedad en el marco de nuestra política nacional, incluida la política educativa de nivel superior, es el caso concreto de la expresión, ahora tan frecuente políticas públicas. Indaga en torno a los principales impulsores que dieron origen a diversas decisiones que afectaron a la comunidad académica en su quehacer cotidiano. Hace ver que en muchas ocasiones la decisión política responde a requerimientos que proceden de actividades pertenecientes a núcleos más estructurados del actuar público. Tal es el caso de la relación entre las esferas de lo político en su intersección con lo económico. El estudio hace ver también que de esta intersección han surgido la mayor parte de las decisiones que han afectado en lo público al quehacer académico, sin que las motivaciones que llevaron a ese tipo de decisiones hayan sido consensadas, develadas y transparentes, sobre todo en lo que se refiere a sus consecuencias para la mejoría o deterioro de las actividades a regular por tales políticas. Se interroga, entonces, sobre el tipo de consecuencias que han tenido para con el actuar de esta comunidad académica las políticas públicas sobre la educación superior y la respuesta está en el título de este artículo.

  8. The contamination of Lake Superior with amphibole gangue minerals.

    Science.gov (United States)

    Langer, A M; Maggiore, C M; Nicholson, W J; Rohl, A N; Rubin, I B; Selikoff, I J

    1979-01-01

    Iron ore called taconite is mined in the Biwabik Iron Formation in the Eastern Mesabi region of the Mesabi Range, in eastern Minnesota. After mining, ore is shipped to Silver Bay, Minnnesota for processing and wet magnetic extraction. Tailings from the process are dumped, as a slurry, into a man-made containment delta constructed in Lake Superior. Submicroscopic amphibole fibers and/or cleavage fragments, a component of the gangue, apparently escape from the delta at Silver Bay, and enter Lake Superior. These particles contaiminate the potable water supplies of municipalities drawing directly from the lake. One of the gangue minerals is the amphibole grunerite, whose asbestiform variety is called amosite. Major emphasis of this study was directed at identification of submicroscopic particle pollutants, based on morphology, structure and chemical composition. Quantitative determination of fibrous amphibole phases, present in a range of water samples, was undertaken. Transmission electron microscopy, selected area electron diffraction, and an electron microprobe technique was used for identification and enumeration and this information was compared with data sets determined from standards. Grunerite fiber and/or acicular cleavage fragments, in some instances indistinguishable from asbestiform grunerite, are present in the tailings, lake water and drinking water of a number of municipalities, a result of contamination of the lake at the Silver Bay milling operation. This amphibole is found in drinking water in concentrations which range from 0.6 to 2.8 X 10(6) fiber/liter. The risk to health, associated with direct ingestion of grunerite fiber is unknown and is extrapolated from the asbestiform grunerite (amosite) data base. The biological activity of other fibrous amphiboles observed, unrelated to any asbestiform silicate variety, is presently unknown and warrants investigation. PMID:294208

  9. Agenesia de cava superior associada a bloqueio atrioventricular de 3º grau Agenesis of the right superior vena cava associated with total heart block

    Directory of Open Access Journals (Sweden)

    Gustavo J. Ventura Couto

    2008-03-01

    Full Text Available A persistência de veia cava superior esquerda com ausência da veia cava superior é uma anomalia rara, principalmente quando associada a bloqueio atrioventricular de 3º grau. Relatamos o caso de uma paciente, na qual durante implante de marca-passo definitivo, para a correção de bloqueio atrioventricular total, foi detectada presença de veia cava superior esquerda com suspeição de ausência de veia cava superior, o que levou ao emprego de técnica diferenciada para fixação do eletrodo ventricular. Para confirmação da provável agenesia, foram realizados diversos exames complementares de imagem, demonstrando-se a dificuldade no diagnóstico da síndrome aqui descrita.The superior left vena cava with the absent superior vena cava is a rare abnormality, especially when associated with total heart block. We report a case of a patient in which the presence of superior left vena cava and the absence of the superior vena cava was detected during the implantation of a pacemaker for the correction of a total heart block, which led us to use a different technique for the fixation of the ventricular electrode. To confirm the supposed absence, several image exams were made showing the difficulty on the diagnosis of the described syndrome.

  10. Combined Double Sleeve Lobectomy and Superior Vena Cava Resection for Non-small Cell Lung Cancer with Persistent Left Superior Vena Cava.

    Science.gov (United States)

    Zhu, Daxing; Qiu, Xiaoming; Zhou, Qinghua

    2015-11-01

    A 65-year-old man with right central type of lung squamous carcinoma was admitted to our department. Bronchoscopy displayed complete obstruction of right upper lobe bronchus and infiltration of the bronchus intermedius with tumor. Chest contrast computed tomography revealed the tumor invaded right pulmonary artery, superior vena cava, and the persistant left superior vena cava flowed into the coronary sinus. The tumor was successfully removed by means of bronchial and pulmonary artery sleeve resection of the right upper and middle lobes combined with resection and reconstruction of superior vena cava (SVC) utilizing ringed polytetrafluoroethylene graft. To the best of our knowledge, this was the first report of complete resection of locally advanced lung cancer involving superior vena cava, right pulmonary artery trunk and main bronchus with persistant left superior vena cava. PMID:26582230

  11. Combined Double Sleeve Lobectomy and Superior Vena Cava Resection for Non-small Cell Lung Cancer with Persistent Left Superior Vena Cava

    Directory of Open Access Journals (Sweden)

    Daxing ZHU

    2015-11-01

    Full Text Available A 65-year-old man with right central type of lung squamous carcinoma was admitted to our department. Bronchoscopy displayed complete obstruction of right upper lobe bronchus and infiltration of the bronchus intermedius with tumor. Chest contrast computed tomography revealed the tumor invaded right pulmonary artery, superior vena cava, and the persistant left superior vena cava flowed into the coronary sinus. The tumor was successfully removed by means of bronchial and pulmonary artery sleeve resection of the right upper and middle lobes combined with resection and reconstruction of superior vena cava (SVC utilizing ringed polytetrafluoroethylene graft. To the best of our knowledge, this was the first report of complete resection of locally advanced lung cancer involving superior vena cava, right pulmonary artery trunk and main bronchus with persistant left superior vena cava.

  12. Sustained attention is associated with right superior longitudinal fasciculus and superior parietal white matter microstructure in children

    DEFF Research Database (Denmark)

    Klarborg, Brith; Skak Madsen, Kathrine; Vestergaard, Martin; Skimminge, Arnold; Jernigan, Terry L; Baaré, William F C

    2013-01-01

    the right fronto-parietal cortices was associated with sustained attention performance in a group of 76 typically developing children aged 7-13 years. Sustained attention was assessed using a rapid visual information processing paradigm. The two behavioral measures of interest were the sensitivity......Sustained attention develops during childhood and has been linked to the right fronto-parietal cortices in functional imaging studies; however, less is known about its relation to white matter (WM) characteristics. Here we investigated whether the microstructure of the WM underlying and connecting...... index d' and the coefficient of variation in reaction times (RT(CV) ). Diffusion-weighted imaging was performed. Mean fractional anisotropy (FA) was extracted from the WM underlying right dorsolateral prefrontal (DLPFC) and parietal cortex (PC), and the right superior longitudinal fasciculus (SLF), as...

  13. Escuela superior de Hacienda Pública en Speyer, Alemania

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    Ruf, Sep

    1963-12-01

    Full Text Available The total building program connected with this School comprises the following: 1. The Higher School itself, which has an auditorium, lecture halls, main lecture hall, rooms for scientific work done by professors and their assistants, and the usual administrative offices. 2. Living quarters for the professors and students, living rooms, a club and a flat for the porter. 3. A bar and the kitchen. 4. Garage, servicing station and a bicycle shed. The Higher School is built on a single level, around a central patio-style garden, with a pond in the middle. The library, lecture halls, and working rooms are arranged to face this inner open space. The main lecture hall rises in tiers, to facilitate the view of the speaker, and its roof emerges considerably above the level of the rest of the building, as a dominant feature. The living accommodation is housed in a four storey building. The ground floor contains the club, living rooms, and the professors and porter's flats. The upper three floors are taken up with the students rooms. These are single and double rooms. This project is simply proportioned, and the volumes and planes are very clearly differentiated, to achieve a space pattern of very clearcut outline.El conjunto de instalaciones construidas comprende: — La Escuela Superior propiamente dicha, dotada de los correspondientes auditorio, clase, aula magna, salas para trabajos científicos de profesores y asistentes y la zona de administración. — Viviendas para profesores y cursillistas, salas de estar, club y vivienda del conserje. — Bar con cocina. Garaje con estación de servicio y un local para bicicletas. La Escuela Superior se desarrolla en una sola planta, en la cual, alrededor del patio-jardín—con un estanque—, se hallan la biblioteca, clase, auditorios y salas de trabajo. El aula magna tiene acceso al nivel de suelo, y presenta una disposición escalonada que facilita la visibilidad. Como elemento dominante, este cuerpo se eleva

  14. Aspectos histomorfométricos do nervo laríngeo superior Histomorphometryc aspects of the superior laryngeal nerve

    Directory of Open Access Journals (Sweden)

    Romualdo Suzano Louzeiro Tiago

    2002-03-01

    Full Text Available Introdução: A laringe desempenha funções primordiais para a manutenção da vida do indivíduo. A perfeita integração entre as suas vias aferentes e eferentes, proporcionada pelo nervo laríngeo superior (NLS e pelo nervo laríngeo recorrente, evita a aspiração de corpos estranhos e através de reflexos desencadeados pela movimentação da onda mucosa mantém o tônus da musculatura intrínseca da laringe. Distúrbios nessas vias neurais podem predispor à aspiração e pneumonias, bem como podem ser responsáveis por alterações na voz do indivíduo; condições estas mais freqüentes no idoso. Objetivo: Avaliar as características histomorfométricas do NLS em indivíduos idosos e comparar os achados com indivíduos adultos. Material e Método: Um fragmento desse nervo dos lados direito e esquerdo foi obtido a partir de cadáveres durante o exame de necropsia. Foram montados dois grupos de diferentes faixas etárias. Um grupo denominado Adulto composto por 5 indivíduos com média etária de 39,6 anos e um grupo Idoso composto por 6 indivíduos com média etária de 71,7 anos. A avaliação do material foi realizada em microscópio de luz com objetiva de 40 X ligado a um sistema analisador de imagens computadorizado e foram obtidos os principais parâmetros relacionados ao nervo: freqüência das fibras mielínicas, densidade de fibras por mm2 e a área intraperineural. Resultados: Foi observada uma redução estatisticamente significante das fibras mielínicas de menor diâmetro (1 e 2 mm no grupo Idoso. Não houve diferença na freqüência de fibras mielínicas entre os lados direito e esquerdo, em ambos os grupos. Conclusão: Como funcionalmente as fibras mielínicas de menor diâmetro do nervo laríngeo superior são responsáveis pela sensibilidade da supraglote e pelo reflexo de fechamento glótico, a redução das fibras mielínicas no idoso pode estar relacionada, além de outros fatores, a uma maior predisposição à aspira

  15. Modeling the value of strategic actions in the superior colliculus

    Directory of Open Access Journals (Sweden)

    Dhushan Thevarajah

    2010-02-01

    Full Text Available In learning models of strategic game play, an agent constructs a valuation (action value over possible future choices as a function of past actions and rewards. Choices are then stochastic functions of these action values. Our goal is to uncover a neural signal that correlates with the action value posited by behavioral learning models. We measured activity from neurons in the superior colliculus (SC, a midbrain region involved in planning saccadic eye movements, in monkeys while they performed two saccade tasks. In the strategic task, monkeys competed against a computer in a saccade version of the mixed-strategy game “matching-pennies”. In the instructed task, stochastic saccades were elicited through explicit instruction rather than free choices. In both tasks, neuronal activity and behavior were shaped by past actions and rewards with more recent events exerting a larger influence. Further, SC activity predicted upcoming choices during the strategic task and upcoming reaction times during the instructed task. Finally, we found that neuronal activity in both tasks correlated with an established learning model, the Experience Weighted Attraction model of action valuation (Ho, Camerer, and Chong, 2007. Collectively, our results provide evidence that action values hypothesized by learning models are represented in the motor planning regions of the brain in a manner that could be used to select strategic actions.

  16. Superior flexibility of a wrinkled carbon shell under electrochemical cycling

    KAUST Repository

    Li, Qianqian

    2014-01-01

    Nanocarbon composites have been extensively employed in engineering alloy-type anodes in order to improve the poor cyclability caused by the enormous volume changes during lithium (Li+) insertion/extraction. The chemical vapor deposited wrinkled carbon shell (WCS) shows high electrical conductivity, excellent thermal stability and remarkable mechanical robustness, which help in retaining the structural integrity around the tin (Sn) anode core despite ∼250% variation in volume during repetitive lithiation and delithiation. In situ transmission electron microscopy reveals no embrittlement in the lithiated WCS, which fully recovers its original shape after severe mechanical deformation with no obvious structural change. Further analysis indicates that the capacity to accommodate large strains is closely related to the construction of the carbon shell, that is, the stacking of wrinkled few-layer graphenes. Both the pre-existing wrinkles and the few-layer thickness render the carbon shell superior flexibility and good elasticity under bending or expansion of the interior volume. Moreover, the WCS possesses fast lithium ion diffusion channels, which have lower activation barriers (∼0.1 eV) than that on a smooth graphene (∼0.3 eV). The results provide an insight into the improvement in cycle performance that can be achieved through carbon coating of anodes of lithium ion batteries. © 2014 The Royal Society of Chemistry.

  17. Superior osteogenesis in transplanted allogeneic canine skull following chemical sterilization

    Energy Technology Data Exchange (ETDEWEB)

    Prolo, D.J.; Pedrotti, P.W.; Burres, K.P.; Oklund, S.

    1982-08-01

    Sterilization of allogeneic bone increases the availability of this tissue for supplanting skeletal defects and effecting fusions. The optimal sterilant destroys micro-organisms, preserves the physical and chemical integrity of bone and possibly even reduces immunogenicity. Cortical bone of skull heals slowly and is variably resorbed. Of 36 dogs, spontaneous regeneration in 72 paired 20 mm defects was constant but always incomplete, and restored only about one third of the cross-sectional area of the defect at six months. The repair in defects replaced with canine allogeneic bony disc, sterilized with ethylene oxide (n . 9), gamma irradiation (n . 7), or methanol/chloroform/iodoacetic acid (n . 7) and then lyophilizedd, was compared with repair in defects filled with aseptically procured lyophilized only (n . 23) discs from the same donor. Criteria for evaluation of implants at six months included volume of defect filled, radiodensity, extent of fusion around circumference, revascularization, and remodeling. Bony discs sterilized with methanol/chloroform/iodoacetic acid remodeled at a superior rate (p less than 0.01). Radiation sterilization resulted in diminished density and inferentially reduced protection of the brain (p less than 0.025). Ethylene oxide, lyophilized implants, and implants lyophilized only produced comparable repair. Whereas an acceptable cranioplasty was achieved in 86% of methanol/chloroform/iodoacetic acid, lyophilize implants, all other alloimplants served an osteoconductive function with a successful repair occurring in 56% to 58%.

  18. Stochastic interpolation model of the medial superior olive neural circuit.

    Science.gov (United States)

    Sanda, Pavel; Marsalek, Petr

    2012-01-24

    This article presents a stochastic model of binaural hearing in the medial superior olive (MSO) circuit. This model is a variant of the slope encoding models. First, a general framework is developed describing the elementary neural operations realized on spike trains in individual parts of the circuit and how the neurons converging onto the MSO are connected. Random delay, coincidence detection of spikes, divergence and convergence of spike trains are operations implemented by the following modules: spike generator, jitter generator, and coincidence detector. Subsequent processing of spike trains computes the sound azimuth in the circuit. The circuit parameters that influence efficiency of slope encoding are studied. In order to measure the overall circuit performance the concept of an ideal observer is used instead of a detailed model of higher relays in the auditory pathway. This makes it possible to bridge the gap between psychophysical observations in humans and recordings taken of small rodents. Most of the results are obtained through numerical simulations of the model. PMID:21920505

  19. Anisotropic vanadium dioxide sculptured thin films with superior thermochromic properties

    Science.gov (United States)

    Sun, Yaoming; Xiao, Xiudi; Xu, Gang; Dong, Guoping; Chai, Guanqi; Zhang, Hua; Liu, Pengyi; Zhu, Hanmin; Zhan, Yongjun

    2013-01-01

    VO2 (M) STF through reduction of V2O5 STF was prepared. The results illustrate that V2O5 STF can be successfully obtained by oblique angle thermal evaporation technique. After annealing at 550°C/3 min, the V2O5 STF deposited at 85° can be easily transformed into VO2 STF with slanted columnar structure and superior thermochromic properties. After deposition SiO2 antireflective layer, Tlum of VO2 STF is enhanced 26% and ΔTsol increases 60% compared with that of normal VO2 thin films. Due to the anisotropic microstructure of VO2 STF, angular selectivity transmission of VO2 STF is observed and the solar modulation ability is further improved from 7.2% to 8.7% when light is along columnar direction. Moreover, the phase transition temperature of VO2 STF can be depressed into 54.5°C without doping. Considering the oblique incidence of sunlight on windows, VO2 STF is more beneficial for practical application as smart windows compared with normal homogenous VO2 thin films. PMID:24067743

  20. Funciones superiores en pacientes con accidente cerebro vascular.

    Directory of Open Access Journals (Sweden)

    Felipe Rodríguez

    2009-07-01

    Full Text Available Los estudios realizados en Chile hasta la fecha no permiten detectar de manera significativa el deterioro neuropsicológico causado por el accidente cerebro vascular (ACV y el impacto que éste tiene en el paciente a nivel de su desenvolvimiento diario y familiar. Con base a esto el objetivo de esta investigación fue elaborar un perfil de deterioro neuropsicológico de las diversas funciones cerebrales superiores causado por un ACV, en un grupo de 50 pacientes de la Unidad de Medicina Física del Hospital San José al cuál se le administró un Protocolo de Evaluación Neuropsicológica, comparándose luego con un grupo control de 50 sujetos evaluados con el mismo protocolo. Se encuentra que sobre un 20% de la población con ACV evaluada presenta deterioro en al menos uno de los ítems evaluados, siendo las funciones ejecutivas, la memoria a largo plazo y la memoria a corto plazo las áreas mayoritariamente afectada en la población evaluada.

  1. Topography of covert visual attention in human superior colliculus.

    Science.gov (United States)

    Katyal, Sucharit; Zughni, Samir; Greene, Clint; Ress, David

    2010-12-01

    Experiments were performed to examine the topography of covert visual attention signals in human superior colliculus (SC), both across its surface and in its depth. We measured the retinotopic organization of SC to direct visual stimulation using a 90° wedge of moving dots that slowly rotated around fixation. Subjects (n = 5) were cued to perform a difficult speed-discrimination task in the rotating region. To measure the retinotopy of covert attention, we used a full-field array of similarly moving dots. Subjects were cued to perform the same speed-discrimination task within a 90° wedge-shaped region, and only the cue rotated around fixation. High-resolution functional magnetic resonance imaging (fMRI, 1.2 mm voxels) data were acquired throughout SC. These data were then aligned to a high-resolution T1-weighted reference volume. The SC was segmented in this volume so that the surface of the SC could be computationally modeled and to permit calculation of a depth map for laminar analysis. Retinotopic maps were obtained for both direct visual stimulation and covert attention. These maps showed a similar spatial distribution to visual stimulation maps observed in rhesus macaque and were in registration with each other. Within the depth of SC, both visual attention and stimulation produced activity primarily in the superficial and intermediate layers, but stimulation activity extended significantly more deeply than attention. PMID:20861435

  2. Superior osteogenesis in transplanted allogeneic canine skull following chemical sterilization

    International Nuclear Information System (INIS)

    Sterilization of allogeneic bone increases the availability of this tissue for supplanting skeletal defects and effecting fusions. The optimal sterilant destroys micro-organisms, preserves the physical and chemical integrity of bone and possibly even reduces immunogenicity. Cortical bone of skull heals slowly and is variably resorbed. Of 36 dogs, spontaneous regeneration in 72 paired 20 mm defects was constant but always incomplete, and restored only about one third of the cross-sectional area of the defect at six months. The repair in defects replaced with canine allogeneic bony disc, sterilized with ethylene oxide (n . 9), gamma irradiation (n . 7), or methanol/chloroform/iodoacetic acid (n . 7) and then lyophilizedd, was compared with repair in defects filled with aseptically procured lyophilized only (n . 23) discs from the same donor. Criteria for evaluation of implants at six months included volume of defect filled, radiodensity, extent of fusion around circumference, revascularization, and remodeling. Bony discs sterilized with methanol/chloroform/iodoacetic acid remodeled at a superior rate (p less than 0.01). Radiation sterilization resulted in diminished density and inferentially reduced protection of the brain (p less than 0.025). Ethylene oxide, lyophilized implants, and implants lyophilized only produced comparable repair. Whereas an acceptable cranioplasty was achieved in 86% of methanol/chloroform/iodoacetic acid, lyophilize implants, all other alloimplants served an osteoconductive function with a successful repair occurring in 56% to 58%

  3. Superior piezoelectric composite films: taking advantage of carbon nanomaterials

    International Nuclear Information System (INIS)

    Piezoelectric composites comprising an active phase of ferroelectric ceramic and a polymer matrix have recently found numerous sensory applications. However, it remains a major challenge to further improve their electromechanical response for advanced applications such as precision control and monitoring systems. We here investigated the incorporation of graphene platelets (GnPs) and multi-walled carbon nanotubes (MWNTs), each with various weight fractions, into PZT (lead zirconate titanate)/epoxy composites to produce three-phase nanocomposites. The nanocomposite films show markedly improved piezoelectric coefficients and electromechanical responses (50%) besides an enhancement of ∼200% in stiffness. The carbon nanomaterials strengthened the impact of electric field on the PZT particles by appropriately raising the electrical conductivity of the epoxy. GnPs have been proved to be far more promising in improving the poling behavior and dynamic response than MWNTs. The superior dynamic sensitivity of GnP-reinforced composite may be caused by the GnPs’ high load transfer efficiency arising from their two-dimensional geometry and good compatibility with the matrix. The reduced acoustic impedance mismatch resulting from the improved thermal conductance may also contribute to the higher sensitivity of GnP-reinforced composite. This research pointed out the potential of employing GnPs to develop highly sensitive piezoelectric composites for sensing applications. (paper)

  4. Neural Prediction of Multidimensional Decisions in Monkey Superior Colliculus

    Science.gov (United States)

    Hasegawa, Ryohei P.; Hasegawa, Yukako T.; Segraves, Mark A.

    To examine the function of the superior colliculus (SC) in decision-making processes and the application of its single trial activity for “neural mind reading,” we recorded from SC deep layers while two monkeys performed oculomotor go/no-go tasks. We have recently focused on monitoring single trial activities in single SC neurons, and designed a virtual decision function (VDF) to provide a good estimation of single-dimensional decisions (go/no-go decisions for a cue presented at a specific visual field, a response field of each neuron). In this study, we used two VDFs for multidimensional decisions (go/no-go decisions at two cue locations) with the ensemble activity which was simultaneously recorded from a small group (4 to 6) of neurons at both sides of the SC. VDFs predicted cue locations as well as go/no-go decisions. These results suggest that monitoring of ensemble SC activity had sufficient capacity to predict multidimensional decisions on a trial-by-trial basis, which is an ideal candidate to serve for cognitive brain-machine interfaces (BMI) such as two-dimensional word spellers.

  5. A Astronomia no Ensino Superior Brasileiro entre 1808 e 1889

    Science.gov (United States)

    Bretones, Paulo S.; Videira, Antonio A. P.

    2003-05-01

    Este artigo apresenta os principais eventos ocorridos na história do ensino de astronomia nos cursos superiores que existiram no Brasil desde a chegada da Família Real portuguesa em 1808 até o final do período monárquico. Para compor esse esboço histórico, utilizamos, principalmente, livros didáticos, regulamentos, decretos e leis responsáveis pelas organizações dos conteúdos oferecidos e das carreiras dos responsáveis pela disciplina. Na análise do material empregado, investigamos a presença de concepções filosóficas e científicas, que podem ter norteado os conteúdos disciplinares. Não realizamos nenhuma comparação com o ensino de astronomia em outros países. Concluímos mostrando que o estudo de astronomia, durante o período monárquico, foi mais direcionado para a formação d engenheiros do que astrônomos. Gostaríamos de observar que o presente artigo não tem a pretensão de abordar o assunto de maneira completa e detalhada.

  6. Percepción de los estudiantes de nivel medio superior sobre la educación superior. Dos ciudades y cinco instituciones

    OpenAIRE

    Juan Carlos Silas Casillas

    2012-01-01

    Se presentan los resultados de un estudio exploratorio conducido en las ciudades de Monterrey y Zacatecas para conocer la forma en que los estudiantes del último año de educación media superior perciben e interpretan la educación superior. Participaron 329 alumnos de cinco instituciones (dos públicas y tres privadas). Se encontró que los jóvenes tienen una visión pragmática y ligeramente idealizada con relación a los usos y beneficios de la educación superior.

  7. Las verdaderas intenciones del gobierno Santos en la reforma a la educación superior

    OpenAIRE

    Aristizabal Ossa , Jorge

    2011-01-01

    El texto centra la atención en el financiamiento de la educación superior propuesto en la reforma a la Ley 30, tratando los temas de la financiación de la universidad pública, la privatización de la educación superior, los efectos del TLC en la educación superior, y el crédito educativo.

  8. O ENSINO SUPERIOR EM TURISMO: HUMANO OU MERCADO?

    Directory of Open Access Journals (Sweden)

    Waléria Thabata Roldão Niquini

    2013-06-01

    Full Text Available Desde La creación de la educación superior en el Turismo en Brasil, en La década de 1970, se han producido algunas discusiones en relación a la formación del estudiante y su desempeño en el mercado laboral. Sin embargo hay varios puntos educativos significantes incluso antes de la aparición de la inserción profesional. La preparación de los estudiantes, las acciones de los maestros en la esfera de investigación y extensión y la necesidad del pensamiento crítico son supuestos que poden justificar tal curso mientras que la práctica educativa libertadora. Estas son las cuestiones discutidas en esta investigación destinada a comprender las perspectivas docente y dicente, en la licenciatura en Turismo, sobre la relación entre la enseñanza y el aprendizaje y sus aspectos esenciales, en una más amplia visión y menos fragmentada, entre la destacada dicotomía y el mercado de laboro y el pensamiento crítico científico. Se concluye que el debate académico sobre la educación en el Turismo todavía se disocia sólo entre los intereses del mercado y las discusiones humanas, sin una integración profunda en la relación enseñanza-aprendizaje.

  9. Cambiar paradigmas: una experiencia en educación superior

    Directory of Open Access Journals (Sweden)

    Gisella Vargas Chinchilla

    2004-09-01

    Full Text Available

    Resumen. Una experiencia en educación superior, al estilo de investigación-acción, donde una “comunidad de aprendizaje” constituida por docentes y estudiantes, busca convertirse en entes multiplicadores del desarrollo sostenible, dentro del plan de formación de docentes de Educación Preescolar.

    Esta investigación constituye el Trabajo final de Graduación, requisito de un grupo de estudiantes para obtener el grado de Licenciadas en Educación Preescolar, en la Universidad de Costa Rica. El proceso metodológico dio inicio con un diagnóstico, para seguir con un plan de acción, organizado y desarrollado en conjunto, estudiantes y docentes, para culminar con la aceptación de “compromisos ambientales” asumidos por las personas participantes.

     

    Abstract. This is a research-action type of experience in higher education lived by a “learning community” conformed by teachers and students whose aim is to become fostering agents for sustainable development. The experience was carried out as part of the plan for teacher training in Preschool Education.

    This paper is the authors' Final Graduation Paper, a requirement to obtain a Licentiate degree in Preschool Education at the University of Costa Rica. The research began with a diagnosis that would lead to the implementation of an action plan that was organized and carried out jointly by the students and their teachers. The project finished with the participants' acceptance of some “environmental commitments”.

  10. Activation of superior colliculi in humans during visual exploration

    Directory of Open Access Journals (Sweden)

    Karnath Hans-Otto

    2007-08-01

    Full Text Available Abstract Background Visual, oculomotor, and – recently – cognitive functions of the superior colliculi (SC have been documented in detail in non-human primates in the past. Evidence for corresponding functions of the SC in humans is still rare. We examined activity changes in the human tectum and the lateral geniculate nuclei (LGN in a visual search task using functional magnetic resonance imaging (fMRI and anatomically defined regions of interest (ROI. Healthy subjects conducted a free visual search task and two voluntary eye movement tasks with and without irrelevant visual distracters. Blood oxygen level dependent (BOLD signals in the SC were compared to activity in the inferior colliculi (IC and LGN. Results Neural activity increased during free exploration only in the SC in comparison to both control tasks. Saccade frequency did not exert a significant effect on BOLD signal changes. No corresponding differences between experimental tasks were found in the IC or the LGN. However, while the IC revealed no signal increase from the baseline, BOLD signal changes at the LGN were consistently positive in all experimental conditions. Conclusion Our data demonstrate the involvement of the SC in a visual search task. In contrast to the results of previous studies, signal changes could not be seen to be driven by either visual stimulation or oculomotor control on their own. Further, we can exclude the influence of any nearby neural structures (e.g. pulvinar, tegmentum or of typical artefacts at the brainstem on the observed signal changes at the SC. Corresponding to findings in non-human primates, our data support a dependency of SC activity on functions beyond oculomotor control and visual processing.

  11. MRI appearance of the superior transverse scapular ligament

    Energy Technology Data Exchange (ETDEWEB)

    Simeone, F.J.; Bredella, Miriam A.; Chang, Connie Y.; Torriani, Martin; Huang, Ambrose J. [Massachusetts General Hospital, Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Boston, MA (United States)

    2015-11-15

    The superior transverse scapular ligament (STSL) forms the roof of the suprascapular notch, which is the most common location of entrapment of the suprascapular nerve, a cause of shoulder pain and weakness. The purpose of this study is to determine the frequency of visualization of the STSL on routine shoulder MRIs, to identify the sequences and imaging planes on which it is visualized most frequently, and to describe its typical MRI appearance, none of which have been previously addressed in the radiologic literature. One hundred twenty-one consecutive shoulder MRIs were reviewed for the presence or absence of the STSL, including the imaging plane and sequence that best depicted the ligament. Dimensions of the ligament were recorded. Fifty four of 121 shoulder MRIs were technically adequate for visualization of the STSL, and it was identified on 51 of these studies (94 %). There was no statistically significant difference between 1.5-T and 3-T systems. The best individual sequence for visualizing the STSL was the sagittal T1-weighted sequence, in which the STSL was visible on 75/80 technically adequate sequences (94 %). The sagittal plane was the best plane for visualizing the STSL, in which it was visible on 65/69 technically adequate studies (94 %). The STSL on average measured 12.8 ± 1.5 mm in transverse dimension. The STSL can be visualized on the majority of shoulder MRIs and is best seen on sagittal T1-weighted images on our imaging protocol. Evaluation of the STSL can potentially help in identifying pathologic conditions affecting the suprascapular nerve. (orig.)

  12. Experiencing the changing climate on the shores of Lake Superior

    Science.gov (United States)

    Akerlof, K.; Maibach, E.

    2011-12-01

    The Great Lakes of the United States - the largest freshwater system in the world - have been termed "the canary in the coal mine" of environmental change. To assess if and how residents of Alger County, Michigan are experiencing changes in climate on the shores of Lake Superior, during the summer of 2010 we conducted a representative household mail survey in collaboration with a national lakeshore and watershed partnership. A total of 765 adult residents (18 years or older) responded to the survey; a 57% survey completion rate. We content analyzed respondents' open-ended characterizations of how they have personally experienced global warming, and compared the results with land surface and storm data for the same geographic region to see whether public perceptions of local changes match trends in National Climatic Data Center data. Just over a quarter of residents (27%) indicated that they had personally experienced global warming. Those who had were most likely to say that they had experienced global warming locally (as opposed to in other locations of the country or globally), and most frequently cited changes in seasons, weather, lake levels, and animals or plant species. However, some local public perceptions appeared to conflict with weather records. For example, residents were more likely to say that they had been experiencing less snow in the winters, while NCDC data suggests the reverse is true. As climate changes differentially in regions across the United States, the public will in turn experience its physical impacts in distinct ways that are unique to each landscape. This may be counter-intuitive to a public that increasingly experiences the world, and issues such as climate change, through sources of information such as national news media that operate at much larger geographic scales. Understanding where these forms of cognitive dissonance may arise may assist researchers, educators, and communicators in furthering discourses with the public about

  13. A new Nitinol stent for use in superior vena cava syndrome

    DEFF Research Database (Denmark)

    Andersen, Poul Erik; Midtgaard, Annette; Brenøe, Anne-Sofie;

    2015-01-01

    time of stent deployment. RESULTS: All patients had superior vena cava obstruction and clinical superior vena cava syndrome caused by malignant expansive mediastinal disease (eight patients non-small cell lung cancer and four small cell lung cancer). The technical success with deployment of the stents......AIM: The aim of the study was to assess the early clinical experience with the Zilver Vena stent in treating patients with malignant superior vena cava syndrome. METHODS: Demographic, procedural, and follow-up data of 12 patients (seven women; mean age 69 years) treated for superior vena cava...

  14. Tendência da mortalidade por doenças do aparelho circulatório no Brasil: 1950 a 2000 Tendencia de la mortalidad por enfermedades del aparato circulatorio en Brasil: 1950 a 2000 Mortality trends due to circulatory system diseases in Brazil: 1950 to 2000

    Directory of Open Access Journals (Sweden)

    Eduarda Ângela Pessoa Cesse

    2009-11-01

    Full Text Available FUNDAMENTO: As doenças do aparelho circulatório (DAC, um dos mais importantes problemas de saúde da atualidade, apesar de proporcionalmente ainda liderarem as estatísticas de morbi-mortalidade, começam a apresentar tendência declinante da mortalidade em diversos países. OBJETIVO: Analisar a tendência da mortalidade por DAC nas capitais brasileiras, no período de 1950 a 2000. MÉTODOS: Estudo de série temporal das razões de mortalidade padronizadas por DAC. Utilizamos dados secundários de óbitos dos anuários estatísticos do IBGE e do Sistema de Informação de Mortalidade. Realizamos análise de tendência linear das razões de mortalidade padronizadas por DAC nas capitais brasileiras que apresentaram séries completas de mortalidade, considerando os anos censitários do período do estudo (1950 a 2000. RESULTADOS: Apesar de proporcionalmente as DAC representarem a primeira causa de óbito na população brasileira, bem como apresentarem crescimento proporcional no período de análise deste estudo, o risco de óbito, representado pelas razões de mortalidade padronizadas, apresenta-se em decréscimo, particularmente a partir da década de 80. Destacam-se as cidades de Fortaleza, Salvador, Belo Horizonte, Rio de Janeiro e São Paulo, que apresentam razões de mortalidade padronizadas elevadas, porém em decréscimo (p FUNDAMENTO: Las enfermedades del aparato circulatorio (EAC, uno de los problemas más importantes de salud de la actualidad, pese a que aún lideran proporcionalmente las estadísticas de morbimortalidad, comienzan a mostrar una tendencia declinante en la mortalidad en diversos países. OBJETIVO: Analizar la tendencia de la mortalidad por EAC en las capitales brasileñas, en el período de 1950 a 2000. MÉTODOS: Estudio de serie temporal de las razones de mortalidad estandarizadas para EAC. Utilizamos datos secundarios de óbitos de los anuarios estadísticos del IBGE y del Sistema de Información de Mortalidad

  15. The superiority of conservative resection and adjuvant radiation for craniopharyngiomas.

    Science.gov (United States)

    Schoenfeld, Adam; Pekmezci, Melike; Barnes, Michael J; Tihan, Tarik; Gupta, Nalin; Lamborn, Kathleen R; Banerjee, Anu; Mueller, Sabine; Chang, Susan; Berger, Mitchel S; Haas-Kogan, Daphne

    2012-05-01

    The purpose of this study is to evaluate the roles of resection extent and adjuvant radiation in the treatment of craniopharyngiomas. We reviewed the records of 122 patients ages 11-52 years who received primary treatment for craniopharyngioma between 1980 and 2009 at the University of California, San Francisco (UCSF). Primary endpoints were progression free survival (PFS) and overall survival (OS). Secondary endpoints were development of panhypopituitarism, diabetes insipidus (DI), and visual field defects. Of 122 patients, 30 (24%) were treated with gross total resection (GTR) without radiation therapy (RT), 3 (3%) with GTR + RT, 41 (33.6%) with subtotal resection (STR) without RT, and 48 (39.3%) with STR + RT. Median age at diagnosis was 30 years, with 46 patients 18 years or younger. Median follow-up for all patients was 56.4 months (interquartile range 18.9-144.2 months) and 47 months (interquartile range 12.3-121.8 months) for the 60 patients without progression. Fifty six patients progressed, 10 have died, 6 without progression. Median PFS was 61.1 months for all patients. PFS rate at 2 years was 61.5% (95% CI: 52.1-70.9). OS rate at 10 years was 91.1% (95% CI 84.3-97.9). There was no significant difference in PFS and OS between patients treated with GTR vs. STR + XRT (PFS; p = 0.544, OS; p = 0.735), but STR alone resulted in significantly shortened PFS compared to STR + RT or GTR (p < 0.001 for both). STR was associated with significantly shortened OS compared to STR + RT (p = 0.050) and trended to shorter OS compared to GTR (p = 0.066). GTR was associated with significantly greater risk of developing DI (56.3 vs. 13.3% with STR + XRT, p < 0.001) and panhypopituitarism (54.8 vs. 26.7% with STR + XRT, p = 0.014). In conclusion, for patients with craniopharyngioma, STR + RT may provide superior clinical outcome, achieving better disease control than STR and limiting side effects associated with aggressive surgical resection. PMID:22350375

  16. Is thoracoscopic patent ductus arteriosus closure superior to conventional surgery?

    Science.gov (United States)

    Stankowski, Tomasz; Aboul-Hassan, Sleiman Sebastian; Marczak, Jakub; Cichon, Romuald

    2015-10-01

    A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether thoracoscopic patent ductus arteriosus (PDA) closure is superior to conventional surgery. Altogether 821 papers were found using the reported search, 11 of which represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. Eleven studies included in the analysis consisted of two prospective and three retrospective, non-randomized studies and six case series. Four included studies focused only on preterm infants, three studies enrolled neonates and the other four analysed all age groups from neonates to older children or young adults. There were no differences in mortality between video-assisted thoracoscopic surgery (VATS) and conventional surgery. Two studies suggested that VATS offers shorter operative times. Two papers observed shorter hospital stay, although the other two noted no significant difference. A large prospective trial found VATS to be associated with a lower number of postoperative complications in neonates and infants, whereas other studies suggested no significant differences in short-term postoperative complications. There is little evidence to suggest better musculoskeletal status and cosmesis in neonates following VATS. Conversion from thoracoscopy to thoracotomy described in six papers was seldom and it did not lead to any additional complications. All observational studies confirmed that both techniques are free from major adverse cardiovascular complications and these two techniques can be safely used in all patients qualified for surgical PDA closure. Two studies compared cost-effectiveness between the two techniques; one of them described VATS as significantly more cost-efficient, whereas the other study observed no difference. However, it should be noted that data

  17. Serotonin modulates retinotectal and corticotectal convergence in the superior colliculus.

    Science.gov (United States)

    Mooney, R D; Huang, X; Shi, M Y; Bennett-Clarke, C A; Rhoades, R W

    1996-01-01

    A dense serotonin (5-HT)-containing projection to the superficial layers of the superior colliculus (SC) has been demonstrated in diverse mammalian species, but how 5-HT may affect visual signals within these laminae is largely unknown. This study undertook to investigate the distribution of 2 types of 5-HT receptors in the SC and to ascertain their physiological effects on transmission of visual signals to the SC from the retinotectal and corticotectual pathways. Autoradiography of tissue sections exposed to [3H]-8-OH-DPAT (8-hydroxy-dipropylaminotetraline) or to [125I]cyanopindolol plus isoproterenol showed that 5-HT1A and 5-HT1B receptors, respectively, were present in the superficial SC layers. In unilaterally enucleated animals, binding of ligand to 5-HT1B receptors was greatly reduced on the deafferented (contralateral) side, which is consistent with the possibility that these receptors are located on preterminal axons. Binding to 5-HT1A receptors was unaltered by enucleation. In recordings of superficial layer neurons from SC slices, application of 5-HT during blockade of 5-HT1A receptors with spiperone reduced the amplitude of EPSPs evoked by stimulation of the optic tract. The 5-HT concentration for a 50% reduction in EPSP amplitude was 6 microM. Under these conditions, there were no significant alterations in either membrane potential or input resistance concurrent with 5-HT mediated reduction in EPSPs. During extracellular in vivo recordings, 5-HT, applied by iontophoresis or micropressure or by endogenous release produced by electrical stimulation of the dorsal raphé nucleus, strongly suppressed visual activity in SC neurons. The effectiveness of 5-HT application was significantly stronger on responses evoked by electrical stimulation of the optic chiasm (an average response decrement of 92.2%) than on these evoked in the same neurons by stimulation of visual cortex (an average response reduction of 32.3%). These results support the following

  18. Dramatización creativa en docencia superior de ciencias

    Directory of Open Access Journals (Sweden)

    Alberto Domingo

    2013-11-01

    Full Text Available La dramatización creativa es una estrategia didáctica con muchos antecedentes (Ward, W. Creative Dramatics. D. Appleton & Co., N.Y. 1930, pero poco conocida en la enseñanza superior de ciencias (Scherr, R.E., et al. PER Conference 2010, 1289:293-296. Es una estrategia educativa sin finalidad de exhibición y percibida como improvisada por los participantes, los cuales interpretan y recrean un proceso con sus acciones guiadas sobre la marcha por un instructor. Su propósito no es formar actores ni actuar para otros, sino facilitar la adquisición de un conocimiento desde la vivencia interna y la autoobservación. En humanidades suele consistir en la interpretación de roles humanos o sociales en situaciones determinadas, pero en ciencias es una representación figurada de un proceso científico complejo, donde los participantes asumen el papel de distintos componentes o elementos que intervienen, teniendo que representar objetos o conceptos abstractos y alejados de la percepción real o de la escala humana. La dramatización facilita el aprendizaje significativo y la clarificación de conceptos abstractos, así como la comprensión de procesos complejos a través de una toma de consciencia “desde dentro” de los propios elementos que juegan un papel en los mismos (Michael, J. In pursuit of meaningful learning. Advances in Physiology Education, 2001, 25:145-158; Dee Fink, L. Creating Significant Learning Experiences: An Integrated Approach to Designing College Courses. 2003, Josey-Bass, Wiley. San Francisco, CA 94103-1741. Esta actividad promueve un aprendizaje mediante la autoobservación, aprovechando la capacidad humana natural de representar la propia percepción de fenómenos complejos para comprenderlos. La dramatización creativa estimula el pensamiento lógico e intuitivo, interioriza el conocimiento y genera un placer estético que facilita un aprendizaje significativo y memorable. En esta comunicación se presentan ejemplos pr

  19. Treatment for Injury of Superior Clunial Nerves by Triple Puncture Needling with Massage

    Institute of Scientific and Technical Information of China (English)

    万顺; 李静

    2002-01-01

    @@ Superior clunial nerve injury occupies a high percentage in lumbocluneal tissue injuries. It is commonly seen in winter and in athletic competition and training. The authors have treated 67 cases of pain of the superior clunial nerves by triple puncture needling combined with massage and obtained satisfactory therapeutic result. A report follows.

  20. NEW RECORDS AND RANGE EXTENSIONS FOR SEVERAL CHIRONOMID GENERA IN LAKE SUPERIOR

    Science.gov (United States)

    Recent USEPA investigations of Lake Superior benthos in Minnesota, Wisconsin, and Michigan waters have resulted in the discovery of six uncommon genera of Chironomidae. Five new records of genera for Lake Superior and five significant Nearctic range extensions are reported. New r...

  1. Is There a Limit to the Superiority of Individuals with ASD in Visual Search?

    Science.gov (United States)

    Hessels, Roy S.; Hooge, Ignace T. C.; Snijders, Tineke M.; Kemner, Chantal

    2014-01-01

    Superiority in visual search for individuals diagnosed with autism spectrum disorder (ASD) is a well-reported finding. We administered two visual search tasks to individuals with ASD and matched controls. One showed no difference between the groups, and one did show the expected superior performance for individuals with ASD. These results offer an…

  2. Surgical Treatment of A Dissecting Aneurysm of the Superior Cerebellar Artery: Case Report

    Directory of Open Access Journals (Sweden)

    Stefanescu Florin

    2014-10-01

    Full Text Available Dissecting aneurysm located in the peripheral region of the superior cerebellar artery is very rare. There is little experience regarding their surgical or endovascular treatment. We present the case of a peripheral dissecting superior cerebellar artery aneurysm treated by surgical clipping.

  3. Geocronología K-Ar y geoquímica del volcanismo plioceno superior-pleistoceno de los Andes del sur (39-42°S

    Directory of Open Access Journals (Sweden)

    Luis Lara

    2001-07-01

    Full Text Available En la Cordillera de los Andes, al sur de los 39°S se emplaza un conjunto de centros volcánicos erosionados que incluyen remanentes de los conductos emisores o facies volcánicas proximales, intermedias o distales. Nuevos datos geocronológicos K-Ar muestran que sus edades se encuentran principalmente en el intervalo Plioceno Superior-Pleistoceno Medio y son equivalentes a los dispuestos en la vertiente argentina. Las características geoquímicas de estos centros volcánicos son semejantes a las exhibidas por los centros cuaternarios de este segmento y muestran también una variación gradual hacia el este de las razones La/Sm, Ba/La y K hasta alcanzar las características de trasarco exhibidas por los centros volcánicos más distantes del margen. Trabajos anteriores, bajo el supuesto que en la vertiente occidental de la cordillera los aparatos volcánicos sólo incluían unidades cuaternarias, sugirieron la migración al oeste del arco volcánico hacia el final del Plioceno. Por el contrario, nuestros antecedentes geocronológicos y geoquímicos muestran que, de un arco extremadamente ancho en el Plioceno Superior-Pleistoceno Medio, se ha variado a uno más reducido y esencialmente concentrado en la cordillera principal, conservando el mismo frente. Una variación significativa de la velocidad de convergencia se registra a fines del Plioceno y se postula que ella actuaría más tarde como factor de primer orden en la configuración espacial del arco volcánico al sur de los 39°S.Geochemistry and K-Ar geochronology of the Late Pliocene-Pleistocene volcanism in the southern Andes (39-42°S. In the Andean Range, south of 39°S, there is a suite of eroded volcanic centres that includes remains of vents or proximal, intermediate or distal volcanic facies. New geochronological K-Ar data show that their ages are in the Late Pliocene-Middle Pleistocene interval, and these eroded centres are equivalent to those located on the eastern side of the

  4. Partial closure of right superior orbital fissure with narrow optic foramen

    Directory of Open Access Journals (Sweden)

    Desai SD

    2010-11-01

    Full Text Available Superior orbital fissure is situated between the greater and lesser wings of sphenoid, with the optic strut at its superomedial margin. It lies between the roof and lateral wall of the orbit. The superior orbital fissure is divided by the common tendinous origin of the recti muscles. Compression of the neurovascular structures due to variations in the superior orbital fissure may result in signs and symptoms due to involvement of cranial nerves III, IV, V1, and VI. We report here a variation of the superior orbital fissure. Superior orbital fissure was partly closed by a thin plate of bone on the right side, and on the same side there was a narrow optic foramen. It is essential to know such variations to understand the underlying cause for the clinical conditions and operate in those areas.

  5. Accessory belly of piriformis, as a cause of superior gluteal neurovascular entrapment

    Directory of Open Access Journals (Sweden)

    Rimple Bansal

    2013-06-01

    Full Text Available During routine dissection on 50 years old male cadaver, an accessory belly of piriformis was observed. This accessory belly was superior and parallel to the main piriformis muscle. This was associated with emergence of superior gluteal nerve and superior gluteal artery between the two bellies. Piriformis muscle and its relation to sciatic nerve has been suggested as a cause of piriformis syndrome. But interestingly in the present case, superior gluteal nerve was interposed between two bellies that may help the clinicians to establish a rare yet important cause of piriformis syndrome and a rare cause of undiagnosed chronic pain in gluteal region. As superior gluteal artery was also interposed, so this rare variation holds interest to surgeons especially in isolated buttock claudication despite otherwise normal vascular investigations. [Int J Res Med Sci 2013; 1(3.000: 296-298

  6. A Man's (Precarious) Place: Men's Experienced Threat and Self-Assertive Reactions to Female Superiors.

    Science.gov (United States)

    Netchaeva, Ekaterina; Kouchaki, Maryam; Sheppard, Leah D

    2015-09-01

    Across three studies, we investigate men's reactions to women in superior roles. Drawing from precarious manhood theory, we hypothesize that when a woman occupies a superior organizational role, men in subordinate positions experience threat, which leads them to behave more assertively toward her and advocate for themselves. In Studies 1 and 2, we demonstrate that men feel more threatened (relative to women) by women in superior roles (relative to men in superior roles) and, as a result, engage in more assertive behaviors toward these women. In Study 3, we investigate a boundary condition to this effect and demonstrate that a woman in a superior role who displays qualities associated with administrative agency (e.g., directness, proactivity) rather than ambitious agency (e.g., self-promotion, power-seeking) elicits less assertive behavior from men. We conclude by discussing implications as well as directions for future research. PMID:26162611

  7. Visual search for emotional expressions: Effect of stimulus set on anger and happiness superiority.

    Science.gov (United States)

    Savage, Ruth A; Becker, Stefanie I; Lipp, Ottmar V

    2016-06-01

    Prior reports of preferential detection of emotional expressions in visual search have yielded inconsistent results, even for face stimuli that avoid obvious expression-related perceptual confounds. The current study investigated inconsistent reports of anger and happiness superiority effects using face stimuli drawn from the same database. Experiment 1 excluded procedural differences as a potential factor, replicating a happiness superiority effect in a procedure that previously yielded an anger superiority effect. Experiments 2a and 2b confirmed that image colour or poser gender did not account for prior inconsistent findings. Experiments 3a and 3b identified stimulus set as the critical variable, revealing happiness or anger superiority effects for two partially overlapping sets of face stimuli. The current results highlight the critical role of stimulus selection for the observation of happiness or anger superiority effects in visual search even for face stimuli that avoid obvious expression related perceptual confounds and are drawn from a single database. PMID:25861807

  8. Geomicrobiology of Fe-rich crusts in Lake Superior sediment

    Science.gov (United States)

    Dittrich, M.; Monreau, L.; Quazi, S.; Raoof, B.; Chesnyuk, A.; Katsev, S.; Fulthorpe, R.

    2012-04-01

    The limnological puzzles of Lake Superior are increasingly attracting scientists, and very little is known about the sediments and their associated microflora. The sediments are organic poor (less than 5%C) and the lake is deep oligotrophic, with water temperatures at the bottom around 3C. Previous studies reveal Fe-rich layers in the sediments at multiple loccations around the lake. The origin and mechanisms of formation of this layer remain unknown. In this study we investigated geochemical and microbiological processes that may lead to the formation of a two cm thick iron layer about 10 cm below the sediment surface. Sediment cores from two stations (EM, 230m water depth and ED, 310m water depth) in the East Basin were used. We monitored oxygen and pH depth profiles with microsensors, porewater and sediment solid matter were analyzed for nutrient and metal contents. Furthermore, phosphorus and iron sequantial extractions of sediment cores have been perfomed. The total cell count was determined using DAPI epifluoresence microscopy. DNA was extracted from the sediment samples and 16S ribosonal RNA amplicons were analyzed with denaturing gradient gel electrophoresis (DGGE). For a more in depth analysis, DNA samples from 8-10 cm and 10-12 cm were sent to the Research and Testing Lab (Texas) for pyrosequencing of 16S rRNA gene amplicons amplified using barcoded universal primers 27f-519r. The scanning electron microscope (SEM) images from the iron layer 10-12cm show filaments that were encrusted with spheres ca. 20 nm in diameter. SEM observations of thin sections also indicate the presence of very fine particles showing various morphologies. Analyses of the deposit material by SEM and energy dispersive X-ray spectroscopy (EDS) indicate that bacteria cells surfaces served as nucleation surfaces for Fe-oxide formation. EDS line-scans through bacterial cells covered with precipitates reveal phosphorus and carbon peaks at interface between cell surface and Fe

  9. Superior vena cava obstruction in small-cell lung cancer

    International Nuclear Information System (INIS)

    Purpose: To identify prognostic or treatment factors influencing the response of superior vena cava obstruction (SVCO), time to SVCO recurrence, and overall survival of SCLC patients with SVCO at presentation; and to assess the role of retreatment in patients with SVCO at recurrent or persistent disease. Methods and Materials: Between January 1983 and November 1993, 76 consecutive patients who had small-cell lung cancer (SCLC) with SVCO were treated in our institution. Analysis was done according to the disease status at diagnosis of SVCO. The first analysis concerned a group of 50 patients who had SVCO at initial presentation. The second analysis concerned a group who had SVCO as a manifestation of persistent or recurrent disease. Results: In the first analysis, 93% had significant improvement in symptoms of SVCO after chemotherapy and 94% after mediastinal radiation. Response is almost universal despite a wide range of radiation fractionation and total dose used. Seventy percent remained SVCO-free before death. Thirty percent developed recurrence of SVCO symptoms 1-16 months (median 8) after the start of initial treatment. Those who received combined chemotherapy and radiation had a longer time to SVCO recurrence (p = 0.018) compared to those who received chemotherapy alone. This effect is mainly seen in limited-stage patients. The presence of SVCO recurrence tends to have an adverse effect on the overall survival (p = 0.077) irrespective of the time when the recurrences occurred (p = 0.296). The median survival of this whole group of 50 patients in the first analysis was 9.5 months, and the 2-year survival was 10%. Stage was strongly predictive of survival (p < 0.001). Sixteen percent (3 of 19) of the patients with limited-stage diseases were long-term survivors (two patients survived 35 months and one survived 70 months). The early mortality from SVCO was 2%. In the second analysis, 85% had previously been treated with chemotherapy alone. The response rate of

  10. Tratamento cirúrgico da síndrome da veia cava superior causado por timoma invasivo Surgical treatment of superior vena cava syndrome caused by invasive thymoma

    OpenAIRE

    George Ronald Soncini da Rosa; Ney Takizawa; Douglas Schimidt; Mitur Sugita

    2010-01-01

    Paciente do sexo masculino, branco, 57 anos, portador de síndrome da veia cava superior havia 3 meses, devido a timoma invasivo em mediastino médio e anterior, levando a comprometimento da veia cava superior intrínseca e extrinsecamente. Após avaliação por tomografia computadorizada e angiorressonância magnética de tórax, o paciente foi submetido à ressecção radical do timoma - derivação venosa da veia subclávia esquerda para átrio direito, com tubo de PTFE (politetrafluoroetileno). Relevante...

  11. Matrícula e infraestructura educativa en educación media superior y superior en México, 1990-2000

    OpenAIRE

    Jesús Lechuga Montenegro; Carlos A. Gómez García

    2001-01-01

    Se analiza el gasto en educación, matrícula, profesorado, infraestructura y población educable en los niveles medio superior y superior en el periodo 1990-2000. A partir de ello se estudia la demanda y oferta educativas en sus dinámicas de largo plazo. Se concluye con una reflexión sobre política educativa y el conflicto de la Universidad Nacional Autónoma de México (UNAM) en 1999-2000.

  12. Absent right superior caval vein (vena cava) with normal atrial arrangement.

    OpenAIRE

    Choi, J. Y.; Anderson, R H; Macartney, F J

    1987-01-01

    Eight cases of absent right superior caval vein (vena cava) with normal atrial arrangement from the Great Ormond Street database were reviewed. In each case the right subclavian vein and jugular vein drained into a persistent left superior caval vein through a bridging vein. In six cases the left superior caval vein drained into the right atrium by way of the coronary sinus, and in two cases it drained into the left atrium directly because of the complete unroofing of the coronary sinus. The ...

  13. Indígenas y educación superior en Chile: El caso mapuche

    OpenAIRE

    Claudia Zapata; Geraldine Abarca

    2007-01-01

    Este trabajo reflexiona sobre la presencia de indígenas en el sistema de educación superior,centrándose en el caso mapuche pero proyectando la discusión hacia el tema más amplio de la diversidad cultural. Traza el recorrido histórico que hizo posible esta presencia yel desafío actual que representa para las instituciones de educación superior, el Estado y la sociedad en su conjunto. Plantea que la masificación de la educación superior no ha resuelto el problema de la inequidad (lo que afecta ...

  14. DESAFÍOS Y PARADIGMAS DE LA EDUCACIÓN SUPERIOR

    OpenAIRE

    Salvador Valencia Carmona

    2012-01-01

    Se plantean como desafíos y paradigmas de la educación superior en nuestro país los siguientes: construcción de la sociedad del conocimiento; acceso universal a la educación superior; recursos presupuestarios acordes con los estándares internacionales; diversificación del financiamiento; transparencia y rendición de cuentas; internacionalización de la educación superior; implantación de mecanismos de evaluación y acreditación En tales aspectos, el Estado Mexicano debe recuperar su liderazgo y...

  15. A rare case of left superior vena cava draining into left atrium demonstrated by MDCT.

    Science.gov (United States)

    Ardilouze, Paul; Bricot, Vincent; Maurel, Christophe; Christiaens, Luc

    2009-01-01

    We describe a rare case of persistent left superior vena cava draining directly into the left atrium with no associated anomaly of the coronary sinus or the atrial septum, discovered by multidetector computed tomography. PMID:17692952

  16. Tissue plasminogen activator in the treatment of superior vena caval thrombosis associated with parenteral nutrition.

    OpenAIRE

    Barclay, G R; Allen, K.; Pennington, C R

    1990-01-01

    Two patients, one of whom was pregnant, developed superior vena caval thrombosis while receiving central parenteral nutrition. They were successfully treated with recombinant tissue plasminogen activator (t-PA).

  17. Evaluating the Educational Effect of Embedded Software Training by Participants and their Superiors

    Science.gov (United States)

    Yamamoto, Masaki; Saito, Hirofumi

    In continuing education, it is necessary to evaluate the knowledge and skill levels the participants attain. Additionally, it is important to know how a participant's superior evaluates the subordinates' performance in the workplace. We examined the participants' (i.e. subordinates') self-evaluations and the superiors' performance-evaluations one week and, again, four weeks after our courses for embedded software engineers. The results showed that one week after ending a course, the participants mark relatively high scores in the self-evaluation task, while the superiors' evaluations attain the same level as the participants' scores four weeks after ending the course. These results demonstrate the effectiveness of the continuing education for embedded software engineers, and suggest that the participants' self-evaluations and the superiors' performance-evaluations may consist of different evaluation feedback systems.

  18. Mechanism of the superior mechanical strength of nanometer-sized metal single crystals revealed

    KAUST Repository

    Afify, N. D.

    2013-10-01

    Clear understanding of the superior mechanical strength of nanometer-sized metal single crystals is required to derive advanced mechanical components retaining such superiority. Although high quality studies have been reported on nano-crystalline metals, the superiority of small single crystals has neither been fundamentally explained nor quantified to this date. Here we present a molecular dynamics study of aluminum single crystals in the size range from 4.1 nm to 40.5 nm. We show that the ultimate mechanical strength deteriorates exponentially as the single crystal size increases. The small crystals superiority is explained by their ability to continuously form vacancies and to recover them. © 2013 Published by Elsevier B.V.

  19. Ventilation and dissolved oxygen cycle in Lake Superior: Insights from a numerical model

    Science.gov (United States)

    Matsumoto, Katsumi; Tokos, Kathy S.; Gregory, Chad

    2015-09-01

    Ventilation and dissolved oxygen in Lake Superior are key factors that determine the fate of various natural and anthropogenic inputs to the lake. We employ an idealized age tracer and biogeochemical tracers in a realistically configured numerical model of Lake Superior to characterize its ventilation and dissolved O2 cycle. Our results indicate that Lake Superior is preferentially ventilated over rough bathymetry and that spring overturning following a very cold winter does not completely ventilate the lake interior. While this is unexpected for a dimictic lake, no part of the lake remains isolated from the atmosphere for more than 300 days. Our results also show that Lake Superior's oxygen cycle is dominated by solubility changes; as a result, the expected relationship between biological consumption of dissolved O2 and ventilation age does not manifest.

  20. Evaluation of superior vena cava syndrome by axial CT and CT phlebography

    International Nuclear Information System (INIS)

    Transverse axial computed tomography (CT) has been combined with CT digital phlebography to study nine patients with superior vena cava syndrome. Six were due to malignancy, two were secondary to benign disease, and one was a paraneoplastic manifestation. This combined CT approach successfully identified the abnormal morphology of the superior vena cava, demonstrating external compression, encasement, or intraluminal thrombus in all patients and the collateral venous channels in eight. This technique is a rapid, informative, and cost-effective method for the workup of superior vena cava syndrome. The CT digital phlebogram, however, is not successful in regularly and optimally opacifying the normal superior vena cava because of the limited amount of contrast material, dilution effect of the nonopacified incoming flow from the jugular and azygos veins, and the lack of image enhancement from the CT digital scanograms

  1. Evaluation of superior vena cava syndrome by axial CT and CT phlebography

    Energy Technology Data Exchange (ETDEWEB)

    Moncada, R.; Cardella, R.; Demos, T.C.; Churchill, R.J.; Cardoso, M.; Love, L.; Reynes, C.J.

    1984-10-01

    Transverse axial computed tomography (CT) has been combined with CT digital phlebography to study nine patients with superior vena cava syndrome. Six were due to malignancy, two were secondary to benign disease, and one was a paraneoplastic manifestation. This combined CT approach successfully identified the abnormal morphology of the superior vena cava, demonstrating external compression, encasement, or intraluminal thrombus in all patients and the collateral venous channels in eight. This technique is a rapid, informative, and cost-effective method for the workup of superior vena cava syndrome. The CT digital phlebogram, however, is not successful in regularly and optimally opacifying the normal superior vena cava because of the limited amount of contrast material, dilution effect of the nonopacified incoming flow from the jugular and azygos veins, and the lack of image enhancement from the CT digital scanograms.

  2. Superior mesenteric artery syndrome following initiation of cisplatin-containing chemotherapy: a case report

    Directory of Open Access Journals (Sweden)

    Ushiki Atsuhito

    2012-01-01

    Full Text Available Abstract Introduction Superior mesenteric artery syndrome is a rare cause of upper intestinal obstruction resulting from compression of the duodenum by the superior mesenteric artery and abdominal aorta. Case presentation We describe a case of superior mesenteric artery syndrome in a 61-year-old Japanese man with non-small cell lung cancer who had been treated with cisplatin-containing chemotherapy and had lost 7 kg in weight. The diagnosis was confirmed by the typical findings of abdominal computed tomography showing distended stomach resulting from compression of the third portion of the duodenum and reduction of an aortomesenteric distance and aortomesenteric angle. Conclusions This case highlights the importance of considering the possibility of superior mesenteric artery syndrome in patients treated with chemotherapy, especially those presenting with a low body mass index and showing weight loss during chemotherapy.

  3. Analisi alla Micro-TC dell’ Anatomia Complessa del Primo Molare Superiore

    OpenAIRE

    Formisano, Anna

    2013-01-01

    Il primo molare superiore presenta un'anatomia complessa tale da interessare numerosi studiosi nel corso dei decenni. Lo scopo di questo lavoro è stato caratterizzare l’anatomia esterna ed interna delle radici mesiovestibolare (MV), distovestibolare (DV) e palatale (P) del primo molare superiore mediante microtomografia compiuterizzata (μCT). Particolare attenzione è stata posta nel trovare la distanza orizzontale tra gli imbocchi principali MV1 della radice mesiovestibolare e quelli dei...

  4. Olfactory neuroepithelium in the superior and middle turbinates: which is the optimal biopsy site?

    OpenAIRE

    Pinna, Fabio de Rezende; Ctenas, Bruno; Weber, Raimar; Saldiva, Paulo Hilario; Voegels, Richard Louis

    2013-01-01

    Summary Introduction: Olfactory neuroepithelium (ON) biopsy has several therapeutic applications for both disorders of olfaction and neurodegenerative diseases. Successful collection of ON is still anything but routine due to a dearth of studies on the distribution of ON in the superior and middle turbinates. Aim: To determine the location in which ON is most likely to be present in endoscopically removed cadaver superior and middle turbinates as well as the influences of gender, age, and nar...

  5. Financiamiento de la educación superior en América Latina

    OpenAIRE

    García Guadilla, Carmen

    2006-01-01

    La primera parte de este trabajo ofrece un panorama de la situación de la educación superior en América Latina, haciendo énfasis en los aspectos cuantitativos y en las políticas públicas. La segunda parte analiza una de esas políticas: la financiación de la educación superior pública.

  6. STUDY OF ASTIGMATISM IN SMALL INCISSION CATARACT SURGERY BETWEEN TEMPORAL AND SUPERIOR INCISSIONS

    OpenAIRE

    Sivacharan; Hanumantharao

    2014-01-01

    Surgically induced astigmatism is a part of cataract surgery. Surgically induced astigmatism varies with distance the incision is made from limbus and site of incision. Small incision cataract surgery a suturless technique of cataract surgery can be done through both temporal and superior sclerocorneal incisions. Since majority of patients undergoing cataract surgery have an against the rule astigmatism, a temporal sclerocorneal incision is better than superior sclera incision...

  7. Transcutaneous Puncture of the Superior Ophthalmic Vein for Embolization of Dural Carotid-Ophthalmic Fistula

    OpenAIRE

    Chen, Wen-Hsien; Tsai, I-Chen; Huang, Hou-Chi; Lin, Chun-Han; Hung, Hao-Chun; Wu, Chen-Hao; Chi-Chang Chen, Clayton

    2008-01-01

    Carotid-ophthalmic fistula is a rare disease, which can be treated by transvenous endovascular embolization. Here, we report a unique case with draining vein thrombosed, making a transvenous approach impossible. An old but valuable technique, direct transcutaneous puncture of the superior ophthalmic vein, was used to save the patient's right eye. The old technique, direct puncture of the superior ophthalmic vein, retains its irreplaceable usefulness in this special situation. Thus, interventi...

  8. Superior accuracy of model-based radiostereometric analysis for measurement of polyethylene wear

    DEFF Research Database (Denmark)

    Stilling, M; Kold, S; de Raedt, S;

    2012-01-01

    The accuracy and precision of two new methods of model-based radiostereometric analysis (RSA) were hypothesised to be superior to a plain radiograph method in the assessment of polyethylene (PE) wear.......The accuracy and precision of two new methods of model-based radiostereometric analysis (RSA) were hypothesised to be superior to a plain radiograph method in the assessment of polyethylene (PE) wear....

  9. Posttraumatic persistent shoulder pain: Superior labrum anterior-posterior (SLAP) lesions

    OpenAIRE

    Gulacti, Umut; Can, Cagdas; Erdogan, Mehmet Ozgur; Lok, Ugur; Buyukaslan, Hasan

    2013-01-01

    Patient: Male, 57 Final Diagnosis: Typ 2 Superior labrum anterior-posterior lesion Symptoms: Shoulder pain after trauma Medication: — Clinical Procedure: — Specialty: Orthopedics and Traumatology • Emergency Medicine Objective: Rare disease Background: Due to the anatomical and biomechanical characteristics of the shoulder, traumatic soft-tissue lesions are more common than osseous lesions. Superior labrum anterior-posterior (SLAP) lesions are an uncommon a cause of shoulder pain. SLAP is inj...

  10. Relationship of Yield and Pratylenchus spp. Population Densities in Superior and Russet Burbank Potato

    OpenAIRE

    Kimpinski, J.; McRae, K. B.

    1988-01-01

    Number of Pratylenchus spp. (primarily P. penetrans) were recorded at planting in experimental potato plots over a 9-year period at one location on Prince Edward Island. Tuber yields of 'Superior' and 'Russet Burbank' potatoes in plots treated with aldicarb were compared with yields in adjacent untreated plots. There was a linear relationship between the number of root lesion nematodes at planting and tuber yield increases after treatment for Superior, but not for Russet Burbank (P < 0.05). W...

  11. Superior sagittal sinus thrombosis: a rare complication in a child with nephrotic syndrome

    Energy Technology Data Exchange (ETDEWEB)

    Pirogovsky, A.; Adi, M.; Barzilai, N. [Dept. of Radiology, Kaplan Medical Center, Rehovot (Israel); Dagan, A.; Sinai, L.; Sthoeger, D. [Div. of Paediatrics, Kaplan Medical Center, Rehovot (Israel); Tabachnik, E. [Div. of Paediatrics, Kaplan Medical Center, Rehovot (Israel); Paediatric ICU, Kaplan Hospital, Rehovot (Israel)

    2001-10-01

    A 2-year-old boy with new-onset nephrotic syndrome developed recurrent vomiting, apathy and papilloedema. Superior sagittal sinus thrombosis was diagnosed on cranial CT and MRI. He gradually recovered after treatment with heparin, fresh frozen plasma and warfarin with complete resolution of the thrombosis after 1 month. Superior sagittal sinus thrombosis is an extremely rare complication of nephrotic syndrome in children. Early diagnosis is essential for institution of anticoagulation therapy and a successful outcome. (orig.)

  12. STUDY OF ASTIGMATISM IN SMALL INCISSION CATARACT SURGERY BETWEEN TEMPORAL AND SUPERIOR INCISSIONS

    Directory of Open Access Journals (Sweden)

    Sivacharan

    2014-10-01

    Full Text Available Surgically induced astigmatism is a part of cataract surgery. Surgically induced astigmatism varies with distance the incision is made from limbus and site of incision. Small incision cataract surgery a suturless technique of cataract surgery can be done through both temporal and superior sclerocorneal incisions. Since majority of patients undergoing cataract surgery have an against the rule astigmatism, a temporal sclerocorneal incision is better than superior sclera incisions in respect to astigmatism.

  13. Cytomegalovirus-associated superior mesenteric vein thrombosis treated with systemic and in-situ thrombolysis

    OpenAIRE

    Van Moerkercke, Wouter; Pauwelyn, Karen; Brugman, Eddy Maurice Paul; Verhamme, Marc

    2009-01-01

    A 56-year-old patient, first diagnosed with an acute cytomegalovirus infection, presented with progressive abdominal pain because of a superior mesenteric vein thrombosis for which he was treated with systemic thrombolysis and heparin in continuous infusion. As this therapy did not have the intended success after 5 days, an interventional radiological procedure was performed with local thrombolysis in the superior mesenteric artery resulting in recanalisation of the vein. Oral anticoagulation...

  14. Refusing intergroup help from the morally superior: How one group's moral superiority leads to another group's reluctance to seek their help.: How one group's moral superiority leads to another group's reluctance to seek their help

    OpenAIRE

    Täuber, Susanne; van Zomeren, Martijn

    2012-01-01

    We examine how group members paradoxically refuse intergroup help where they might need it most: in the moral status domain. Based on the Sacred Value Protection Model (Tetlock, 2002), we predicted and found that group members felt stronger group-based anger and a stronger motivation to reaffirm their group's moral status when an outgroup was morally superior to them. Despite this moral motivation, however, we also predicted and found that group members more strongly refused intergroup help t...

  15. A biomechanical assessment of superior shoulder translation after reconstruction of anterior glenoid bone defects: The Latarjet procedure versus allograft reconstruction

    OpenAIRE

    Degen, Ryan M; Giles, Joshua W.; Harm W Boons; Litchfield, Robert B.; Johnson, James A.; Athwal, George S.

    2013-01-01

    Background : The coracoacromial ligament (CAL) is an important restraint to superior shoulder translation. The effect of CAL release on superior stability following the Latarjet is unknown; therefore, our purpose was to compare the effect of two Latarjet techniques and allograft reconstruction on superior instability. Materials and Methods : Eight cadaveric specimens were tested on a simulator. Superior translation was monitored following an axial force in various glenohumeral rotations (...

  16. Indicaciones y sugerencias sobre el entrenamiento de fuerza y resistencia en ancianos

    OpenAIRE

    González Ravé, J.M.; Vaquero Abellán, M.

    2000-01-01

    En este artículo pretendemos exponer las tendencias que existen sobre entrenamiento deportivo en personas mayores. Casi siempre, estamos acostumbrados a asociar el ejercicio físico que practican con actividades lúdicas, de baja o nula intensidad en las que el carácter lúdico es el principal protagonista de la sesión dejando atrás el rendimiento físico. Un correcto trabajo de resistencia o de fuerza bien realizado, a unas cargas de entrenamiento considerables producen una mejora fisiológica qu...

  17. Indications and therapeutical options in hepatolithiasis Indicaciones y opciones terapéuticas en la hepatolitiasis

    OpenAIRE

    J. M. Ramia; Palomeque, A; Muffak, K; Villar, J; D. Garrote; J. A. Ferrón

    2006-01-01

    Objective: to present our experience with the treatment of hepatolithiasis. Patients and methods: experimental design: a retrospective study. Every patient operated on during 2002-2004. Results: mean age was 68.2 years. All patients were male. Two patients had been operated on before. The other three suffered from: monolobar Caroli's disease (1), cholangiocarcinoma (1), and hepatolihtiasis without clear etiologic factors (1). All of them had intrahepatic and extrahepatic litihiasis. Clinical ...

  18. Toracotomía de urgencia. Indicaciones, técnica quirúrgica y resultados

    OpenAIRE

    Hernandez-Estefania, R. (Rafael)

    2011-01-01

    Emergency thoracotomyis a surgical technique that has been extended in the last few years, and is currently included in advanced cardiopulmonary resuscitation protocols. Despite its proven use in patients with penetrating heart wounds, it is often not used due to lack of knowledge of the technique. Currently, the increase in chest wounds due to violence, traffic accidents, crashes or suicides, and advances in extra-hospital medical care systems, has currently awakened new inter...

  19. Resección de la primera fila del carpo: indicaciones y resultados

    OpenAIRE

    Escribano, R.; Flórez Alvarez, F.; Duart, J.; Amillo, S.

    2008-01-01

    La resección de la primera fila del carpo (RPC) es un conocido procedimiento para conservar la función en muñecas afectadas por procesos degenerativos de la articulación radiocarpiana. En el presente trabajo nuestra experiencia con este tipo de intervención. Material y Métodos: Análisis retrospectivo de pacientes intervenidos en nuestro centro mediante RPC. Se valoraron: datos demográficos, dolor, movilidad y fuerza, y evolución radiológica tras la cirugía. Resultados: 1 pacientes de edad med...

  20. File list: InP.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

    Full Text Available InP.Neu.20.AllAg.Superior_Cervical_Ganglion mm9 Input control Neural Superior Cervical... Ganglion SRX435085 http://dbarchive.biosciencedbc.jp/kyushu-u/mm9/assembled/InP.Neu.20.AllAg.Superior_Cervical_Ganglion.bed ...

  1. File list: InP.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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    Lifescience Database Archive (English)

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  3. File list: NoD.Neu.50.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  4. File list: InP.Neu.05.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  5. File list: NoD.Neu.20.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  6. File list: InP.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  7. File list: NoD.Neu.10.AllAg.Superior_Cervical_Ganglion [Chip-atlas[Archive

    Lifescience Database Archive (English)

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  8. Reproduction of superior sagittal sinus animal model by bypass transplantation of biomaterial graft

    Directory of Open Access Journals (Sweden)

    Qing-yong LUO

    2011-03-01

    Full Text Available Objective To establish the beagles model of superior sagittal sinus bypass graft,and explore the feasibility of reconstruction of superior sagittal sinus with biomaterials using this model.Methods Eight adult male beagles(weight: 12.5-22.0kg were involved in the present study.The superior sagittal sinus was exposed and blocked via bone window,and then anastomosed side-to-end to the biomaterial graft under the dedicated microscope of neurosurgery surgery,expectant treatment such as anti-inflammatory was given for the animals.The digital subtraction venography(DSV and color Doppler flow imaging(CDFI of superior sagittal sinus were performed in 1,2,4 and 8 weeks after the operation.Eight weeks after the operation,all the animals were sacrificed and the material graft was examined histologically.Results The DSV and CDFI of superior sagittal sinus showed that the stomas of 2 beagles were with slight stenosis and high flow velocity,of 1 beagle with small leakage and low flow velocity,while of other 5 beagles were normal.The histological examination showed endothelial cells were growing on the graft and superior sagittal sinus,and crawling toward the lumen of graft 8 weeks after the operation.Conclusion The beagles model of superior sagittal sinus bypass graft was established successfully.The short-term effect of the model was satisfactory,while further work should be performed to determine the long-term effects.

  9. Differences in superior thyroid artery and inferior thyroid artery blood flow spectrum parameters in subacute thyroiditis

    Institute of Scientific and Technical Information of China (English)

    Jin-Bo Li

    2016-01-01

    Objective:To study the differences in superior thyroid artery and inferior thyroid artery blood flow spectrum parameters in subacute thyroiditis. Methods:A Total of 40 cases of patients with subacute thyroiditis and 40 cases of healthy volunteers were selected for study and enrolled in pathology group and control group respectively, color Doppler ultrasonography was conducted to detect peak blood flow velocities (Vmax) of superior thyroid artery and inferior thyroid artery as well as resistance index (RI), and serum was collected to detect thyroid hormone contents, infection indexes and oxidative stress indexes. Results:Peak blood flow velocities Vmax of superior thyroid artery and inferior thyroid artery of pathology group were significantly higher than those of control group, and resistance index RI was not different from that of control group;FT3, FT4, TT3, TT4, ESR, CRP, PCT and MDA of pathology group were significantly higher than those of control group, and SOD and TAOC were significantly lower than those of control group;Vmax of superior thyroid artery and inferior thyroid artery were positively correlated with FT3, FT4, TT3, TT4, ESR, CRP, PCT and MDA, and negatively correlated with SOD and TAOC. Conclusion:Peak blood flow velocities (Vmax) of superior thyroid artery and inferior thyroid artery in subacute thyroiditis are significantly accelerated, Vmax has good consistency with thyroid hormone contents, infection indexes and oxidative stress indexes, and it can accurately assess the severity of the disease.

  10. Trophic connections in Lake Superior Part II: the nearshore fish community

    Science.gov (United States)

    Gamble, A.E.; Hrabik, T.R.; Yule, D.L.; Stockwell, J.D.

    2011-01-01

    We use detailed diet analyses of the predominant planktivorous, benthivorous and piscivorous fish species from Lake Superior to create a nearshore (bathymetric depths Mysis diluviana and Diporeia spp). Although the piscivorous fishes like lean lake trout (Salvelinus namaycush) fed to a lesser extent on Diporeia and Mysis, they were still strongly connected to these macroinvertebrates, which were consumed by their primary prey species (sculpin spp., rainbow smelt Osmerus mordax, and coregonines). The addition of Bythotrephes to summer/fall cisco and lake whitefish diets, and the decrease in rainbow smelt in lean lake trout diets (replaced by coregonines) were the largest observed differences relative to historic Lake Superior diet studies. Although the offshore food web of Lake Superior was simpler than nearshore in terms of number of fish species present, the two areas had remarkably similar food web structures, and both fish communities were primarily supported by Mysis and Diporeia. We conclude that declines in Mysis or Diporeia populations would have a significant impact on energy flow in Lake Superior. The food web information we generated can be used to better identify management strategies for Lake Superior.

  11. Neuroimaging findings in neonates and infants from superior vena cava obstruction after cardiac operation

    International Nuclear Information System (INIS)

    Extraventricular obstructive hydrocephalus may develop after superior vena cava obstruction, an uncommon complication after cardiac surgery.Objective. To describe the neuroimaging findings in neonates and infants with superior vena cava thrombosis after cardiac surgery for congenital heart disease.Materials and methods. Between 1993 and 2001, 333 neonates and infants in our hospital underwent cardiac surgery, of whom 13 (3.9%) subsequently acquired superior vena cava syndrome. Eleven of these 13 children (7 boys, 4 girls) were evaluated by head ultrasound and computed tomography scans.Results. One child had normal findings on head ultrasound, and 10 children had extraventricular obstructive hydrocephalus (EVOH). In 6 children, aggravation of the hydrocephalus was noted up to 11.4 months after cardiac surgery; in 3 of them, the hydrocephalus was shunted to the peritoneum. One child had thrombosis of the dural sinuses, and 1 had hemorrhagic infarction. Two children died during follow-up.Conclusion. EVOH is a common complication of superior vena cava thrombosis, and head ultrasound should be performed in all neonates and infants with superior vena cava thrombosis after cardiac surgery. Long-term follow-up is needed, as the hydrocephalus may worsen even months after surgery. (orig.)

  12. Dopamine-induced cyclic AMP increase in canine myocardium, kidney and superior mesenteric artery.

    Directory of Open Access Journals (Sweden)

    Kazuno,Hiroshi

    1982-04-01

    Full Text Available The effect of dopamine on cyclic AMP levels in tissue slices of canine myocardium and kidney, and in chopped superior mesenteric arterial wall was investigated to identify dopamine receptors. Tissues were incubated in modified Krebs-Henseleit Ringer bicarbonate solution at 37 degrees C for 20 min with test drugs, after 20-min preincubation. In the presence of 3-isobutyl-1-methylxanthine (IBMX, dopamine and apomorphine caused dose-dependent increases in cyclic AMP levels in the myocardium, kidney and superior mesenteric artery. Phentolamine significantly intensified the cyclic AMP-increasing effect of dopamine in the superior mesenteric artery, but it did not influence the cyclic AMP increase caused by dopamine or apomorphine in the myocardium and kidney. Propranolol markedly blocked the effect of dopamine on cyclic AMP levels in all tissues studied. Haloperidol slightly inhibited the effect of dopamine and completely blocked the effect of apomorphine in the myocardium and kidney. These data suggest that dopamine increases cyclic AMP levels by activating predominantly beta-adrenergic receptors and partly dopamine receptors in the canine myocardium, kidney and superior mesenteric artery. The present results also suggest that dopamine acts not only on beta-adrenergic and dopamine receptors but also on alpha-adrenergic receptors in the superior mesenteric artery. Contrary to the activation of beta-adrenergic and dopamine receptors, the activation of alpha-adrenergic receptors resulted in a decrease in cyclic AMP levels in this tissue.

  13. (Mis)placed central venous catheter in the left superior intercostal vein

    International Nuclear Information System (INIS)

    Chest X-ray is routinely performed to check the position of the central venous catheter (CVC) inserted through the internal jugular or subclavian vein, while the further evaluation of CVC malfunction is usually performed by contrast venography. In patients with superior vena cava obstruction, the tip of the catheter is often seen in collateral mediastinal venous pathways, rather than in the superior vena cava. In such cases detailed knowledge of thoracic vessel anatomy is necessary to identify the exact location of the catheter. We report a case of 32-year-old female patient with relapsing mediastinal lymphoma and previous superior vena cava obstruction with collateral azygos-hemiazygos venous pathways. The patient had CVC inserted through the left subclavian vein and its position was detected by CT to be in the dilated left superior intercostal vein and accessory hemiazygos vein. Considering that dilated accessory hemiazygos vein can tolerate infusion, the CVC was left in place and the patient had no complaints related to CVC (mal)position. Furthermore, we present anatomical and radiological observations on the azygos-hemiazygos venous system with the special emphasis on the left superior intercostal vein. Non-contrast CT scans can be a valuable imaging tool in the detection of the CVC position, especially in patients with renal insufficiency and contrast media hypersensitivity

  14. THE GENERAL CONTEXTUAL FRAME FOR PLACING SUPERIOR STUDIES GRADUATES IN THE WORK MARKET

    Directory of Open Access Journals (Sweden)

    FELICIA ANDRIONI

    2013-12-01

    Full Text Available Integration in a workplace is an interaction rapport between the individual and the environment. The process of professional integration is strongly linked to the professional aspiration, individual expectations, motivation, and work satisfaction. Placing young graduates of superior studies on the labour market is a challenge for contemporary society. Identifying a suitable work place as well as the certainty of the attained work place are very important elements for young superior studies graduates in the current context of economic crysis. The difficulties in getting a job for superior studies graduates are most frequently associated with lacks in what regards the speciality practical skills and generally, insertion in the work market is achived by getting a position in fields that are related or even different from the speciality field. In an extremely unstable social and economic context, people’s ability to quickly adapt to the requirements of the labour market is fundamental. In this respect, education and professional training have an important role, contributing to the update of knowledge, skills and qualifications of superior studies graduates or future superior studies graduates, eventually allowing them to stay active, flexible, adapted to the situations and requirements of the labour market.

  15. Bombas extractoras para lactancia materna

    OpenAIRE

    Rozas García, M. Rosa

    1997-01-01

    Durante la lactancia materna pueden utilizarse diferentes accesorios para complementarla, entre los cuales se encuentran las bombas extractoras de leche materna. Describiremos las características generales de los diferentes tipos de bombas extractoras, de modo que el profesional de enfermería conozca no sólo el funcionamiento de los aparatos, sino que también adquiera unos conocimientos acerca de sus indicaciones, manipulación, ventajas e inconvenientes, y pueda asesorar en todo momento a la ...

  16. Propuesta de un modelo integral de accountability para la Educación Superior en Chile

    OpenAIRE

    Riquelme-Silva, Guillermo M.; López-Toro, Alberto A.; Ciruela-Lorenzo, Antonio M.

    2015-01-01

    Depositarias de la confianza de la ciudadanía y del Estado, las instituciones de educación superior han desarrollado su misión de formación e investigación dentro de un contexto acotado. En la actualidad, hay una demanda de parte del Estado y la ciudadanía de una mayor participación y supervisión del sistema de educación superior, para la mejora de la calidad de la educación impartida de una parte, y de otra para dar cuenta de los recursos públicos invertidos en educación superior. En este co...

  17. Effect of perturbations and a meal on superior mesenteric artery flow in patients with orthostatic hypotension

    Science.gov (United States)

    Fujimura, J.; Camilleri, M.; Low, P. A.; Novak, V.; Novak, P.; Opfer-Gehrking, T. L.

    1997-01-01

    Our aims were to evaluate to role of superior mesenteric blood flow in the pathophysiology of orthostatic hypotension in patients with generalized autonomic failure. METHODS: Twelve patients with symptomatic neurogenic orthostatic hypotension and 12 healthy controls underwent superior mesenteric artery flow measurements using Doppler ultrasonography during head-up tilt and tilt plus meal ingestion. Autonomic failure was assessed using standard tests of the function of the sympathetic adrenergic, cardiovagal and postganglionic sympathetic sudomotor function. RESULTS: Superior mesenteric flow volume and time-averaged velocity were similar in patients and controls at supine rest; however, responses to cold pressor test and upright tilt were attenuated (p eating and head-up tilt provide important information on intra-abdominal sympathetic adrenergic function, and the ability of the patient to cope with orthostatic stress.

  18. Identity Centrality and In-Group Superiority Differentially Predict Reactions to Historical Victimization and Harm Doing

    Directory of Open Access Journals (Sweden)

    Rezarta Bilali

    2012-12-01

    Full Text Available Two U.S. studies report a differential effect of identity centrality and in-group superiority on reactions to in-group victimization and in-group harm-doing. Study 1 (N = 80 found that higher identity centrality predicted less justification for freely-recalled in-group victim events, whereas higher in-group superiority predicted more justification for freely-recalled in-group harm-doing events. Study 2 (N = 105 reexamined these findings in specific contexts of historical victimization (Pearl Harbor and harm-doing (Hiroshima and Nagasaki, finding that in-group superiority was a predictor of reactions to historical in-group harm-doing (justification, emotional reactions, importance of events, whereas centrality was a predictor of reactions to historical in-group victimization.

  19. Social vigilantism: measuring individual differences in belief superiority and resistance to persuasion.

    Science.gov (United States)

    Saucier, Donald A; Webster, Russell J

    2010-01-01

    Social vigilantism (SV) is an enduring individual difference that assesses the tendency of individuals to impress and propagate their "superior" beliefs onto others to correct others' more "ignorant" opinions. After establishing a reliable measure of SV, three studies showed that SV was associated with greater expressions of belief superiority (whether reacting to others holding dissimilar or similar beliefs) and greater resistance to persuasion (via increased rates of counterarguing and greater attitude stability after persuasion appeals) even after controlling for relevant individual differences (narcissism, dogmatism, psychological reactance, and need for cognition), as well as attitude importance and extremity. Thus, SV predicts expressions of belief superiority and resistance to persuasion above and beyond characteristics of the attitude and individual difference variables previously studied in the attitude literature. SV is a meaningful construct in increasing the understanding of persuasion, attitude resistance, and attitude dissemination that can be applied in a variety of psychological domains. PMID:19776422

  20. Bibliotecas de ensino superior : Novas e saudáveis tendências

    OpenAIRE

    Lopes, Carlos Alberto

    2016-01-01

    O que há no horizonte para os próximos anos para as bibliotecas de ensino superior? Que tendências e tecnologias dirigirão a mudança nas bibliotecas de ensino superior? Quais são os desafios considerados solucionáveis ou difíceis de superar e como podemos criar estratégias efetivas para solucioná-las? Estas questões associadas à adoção tecnológica e à mudança educacional são o propósito desta comunicação sobre tendências para as bibliotecas de ensino superior. São apresentadas as dez recomend...

  1. La educación superior en México: un estudio comparativo

    Directory of Open Access Journals (Sweden)

    Juan Manuel Ocegueda Hernández

    2014-01-01

    Full Text Available Se analizan los logros del sistema de educación superior ( ses en México me - diante un ejercicio comparativo que considera cuatro naciones en desarrollo: Argentina, Brasil, Chile y Corea del Sur. Los resultados sugieren que México se ha rezagado en materia de cobertura y en su capacidad para ofrecer una educación superior de buena calidad debido a varios factores: la tendencia demográfica que ha mantenido alta la población de 19-24 años, limitaciones presupuestales como resultado de la baja participación privada en la atención de la demanda por estudios de educación superior y la dependencia del ses respecto al subsidio público, así como la falla de la política educativa para asegurar la calidad en los servicios que ofertan las ies .

  2. Evaluation of the superior vena cava system in children with digital subtraction angiography

    International Nuclear Information System (INIS)

    The authors report a new pediatric application of digital subtraction angiography (DSA) that is the evaluation of the superior vena cava system. 22 children have been explored. All of them had a history of previous central venous catheter placement for parenteral nutrition (13), hemodialysis (5), chemotherapy or antibiotic therapy (4). The aim of the examination was to obtain a venous mapping before a new catheter placement (14 cases) or to look for a venous thrombosis origin of superior vena cava syndrom or septicemia (8 cases). Except failure of two examinations because of absence of venous injection site, DSA showed thrombosis of one vein in 7 cases and of multiple veins in 11 cases. A pulmonary embolus was also discovered. The authors conclude that this non invasive method yields very valuable information on superior vena cava system

  3. Prevalence of 'high-riding' superior pericardial recesses on thin-section 16-MDCT scans

    International Nuclear Information System (INIS)

    Objective: The aim of this study was to evaluate the prevalence of 'high-riding' superior pericardial recess (HRSPR) on thin-section (1 mm) 16-multidetector computed tomography (MDCT) scans. Materials and methods: Three hundred and fourteen consecutive chest CT scans obtained with a thin-section 16 MDCT were retrospectively evaluated. The prevalence and characteristic of HRSPR were analyzed. Results: HRSPR was depicted in 21 patients (11 men and 10 women) (6.6%) who ranged in age from 28 to 72 years (mean age, 57 years). The extended recesses were rounded/oval shaped in five patients and triangular, spindle, half moon or irregular shaped in the other 16 patients. Conclusion: Our data suggest as HRSPRs are more frequently and better depicted on thinsection MDCT scans, and this improves the capability to distinguish this superior extension of the superior aortic recess from abnormal findings such as lymphadenopathy, cystic lesions, and aortic dissection

  4. Competitively Distinct Operations as a Key for Superior and Sustainable Business Performance: An Example from Walmart

    Directory of Open Access Journals (Sweden)

    Binod Timilsina

    2015-09-01

    Full Text Available Existing research on the resource-based view (RBV has provided limited evidence on how firms achieve superior and sustainable business performance; this failure is because current literature de-emphasizes the importance of operations. This paper argues that to gain and sustain superior business performance, a firm’s sustainable competitive advantage is not enough, its operations also needs to be competitively distinct. Therefore, through unifying the necessary conditions of superior and sustainable business performance the paper presents a better understanding of the RBV. The success story of Walmart, from existing literature, is considered as an example to support the proposed framework. The paper concludes that the cost of operations, opportunity cost, cost of resources and possible output are the crucial factors in resource choice and operations decision to secure competitively distinct operations. Finally, theoretical and managerial implications, research limitations and future research possibilities are discussed.

  5. Evolution of aroma and phenolic compounds during ripening of 'superior seedless' grapes.

    Science.gov (United States)

    Hellín, Pilar; Manso, Angela; Flores, Pilar; Fenoll, José

    2010-05-26

    The evolution of aroma and phenolic compounds was studied during ripening of Vitis vinifera cv. 'Superior Seedless' grapes in two consecutive years. The major free detected compounds were citral, geraniol, and benzyl alcohol whereas geraniol, citral, nerol, citronellol, dienediol I, linalol oxide I, linalol oxide II, benzyl alcohol, and 2-phenylethanol were identified in the glycosidically bound fraction. Concentrations of the main free terpene alcohols responsible for 'Superior Seedless' aroma decreased during grape development, and bound compounds became predominant at grape maturity. Calculation of odor activity values showed that geraniol was the most active odorant followed to a lesser extent by citral and nerol. With regard to phenolic compound evolution, flavan-3-ols and flavonols were maximal at veraison and decreased throughout the ripening, stilbenes content decreased from the first stage, and total phenolics increased to show a maximum in the ripe grapes. At ripening, quercetin 3-O-glucoside and catechin were the main compounds detected in 'Superior Seedless'. PMID:20438135

  6. Olfactory neuroepithelium in the superior and middle turbinates: which is the optimal biopsy site?

    Directory of Open Access Journals (Sweden)

    Pinna, Fabio de Rezende

    2013-04-01

    Full Text Available Introduction: Olfactory neuroepithelium (ON biopsy has several therapeutic applications for both disorders of olfaction and neurodegenerative diseases. Successful collection of ON is still anything but routine due to a dearth of studies on the distribution of ON in the superior and middle turbinates. Aim: To determine the location in which ON is most likely to be present in endoscopically removed cadaver superior and middle turbinates as well as the influences of gender, age, and naris side on the presence of ON and the extent to which it is present. Methods: We conducted a prospective anatomical study. The superior and middle turbinates on both sides endoscopically removed from 25 fresh cadavers (less than 12 h post-mortem. The turbinates were halved into anterior and posterior segments for a total of 200 specimens, which were analyzed after hematoxylin and eosin and immunohistochemical staining. Hematoxylin and eosin-stained slides were subjected to blind examination by 3 independent pathologists, and the presence of ON was graded on a 5-point scale from 0 to 4. Kappa measurement was used to determine the agreement between pairs of observers. Results: ON was present in 82.9% of superior turbinate samples and in 17.1% of middle turbinate samples. Immunohistochemistry detected ON in superior turbinates only by S-100 staining and only in 15 fragments. Gender, age, and naris side had no statistically significant effects on the presence of ON. Conclusion: When biopsying ON, the posterior portion of the superior turbinate should be targeted whenever possible because it has the highest concentration of ON among the nasal structures.

  7. Association fiber pathways to the frontal cortex from the superior temporal region in the rhesus monkey

    International Nuclear Information System (INIS)

    The projections to the frontal cortex that originate from the various areas of the superior temporal region of the rhesus monkey were investigated with the autoradiographic technique. The results demonstrated that the rostral part of the superior temporal gyrus (areas Pro, Ts1, and Ts2) projects to the proisocortical areas of the orbital and medial frontal cortex, as well as to the nearby orbital areas 13, 12, and 11, and to medial areas 9, 10, and 14. These fibers travel to the frontal lobe as part of the uncinate fascicle. The middle part of the superior temporal gyrus (areas Ts3 and paAlt) projects predominantly to the lateral frontal cortex (areas 12, upper 46, and 9) and to the dorsal aspect of the medial frontal lobe (areas 9 and 10). Only a small number of these fibers terminated within the orbitofrontal cortex. The temporofrontal fibers originating from the middle part of the superior temporal gyrus occupy the lower portion of the extreme capsule and lie just dorsal to the fibers of the uncinate fascicle. The posterior part of the superior temporal gyrus projects to the lateral frontal cortex (area 46, dorsal area 8, and the rostralmost part of dorsal area 6). Some of the fibers from the posterior superior temporal gyrus run initially through the extreme capsule and then cross the claustrum as they ascend to enter the external capsule before continuing their course to the frontal lobe. A larger group of fibers curves round the caudalmost Sylvian fissure and travels to the frontal cortex occupying a position just above and medial to the upper branch of the circular sulcus. This latter pathway constitutes a part of the classically described arcuate fasciculus

  8. Superior grains determined by grain weight are not fully correlated with the lfowering order in rice

    Institute of Scientific and Technical Information of China (English)

    PENG Ting; ZHAO Quan-zhi; L Qiang; ZHAO Ya-fan; SUN Hong-zheng; HAN Ying-chun; DU Yan-xiu; ZHANG Jing; LI Jun-zhou; WANG Lin-lin

    2015-01-01

    Rice panicles are composed of many branches with two types of extreme grains, the superior and the inferior. Traditional y, it has been wel accepted that earlier lfowers result in superior grains and late lfowers generate inferior grains. However, these correlations have never been strictly examined in practice. In order to determine the accurate relationship between superior and inferior grains and the lfowering order, we localized al the seeds in a panicle in four distinct rice species and systematical y documented the rice lfowering order, lfower locations and the ifnal grain weight for their relationships. Our results demonstrated that the grain weight is more heavily determined by the position of the seeds than by the lfowering order. Despite earlier lfowering has a positive correlation with the grain weight in general, grains from lfowers blooming on the second day after anthesis general y gained the highest weight. This suggests earlier lfowers may not result in superior grains. Therefore, we concluded that superior and inferior grains, commonly determined by grain weight, are not ful y cor-related with the lfowering order in rice. Fol owing the order of the grain weight, the superior grains are general y localized at the middle parts of the primary branches, whereas inferior grains were mainly on the last two secondary branches of the lower half part of the panicle. In addition, the weight of inferior grains were affected by spikelet thinning and spraying with exogenous plant growth regulators, indicating that physiological incompetence might be the major reason for the occurrence of the inferior grains.

  9. Calidad del servicio percibida en entornos virtuales de formación superior

    OpenAIRE

    Martínez Argüelles, María Jesús

    2006-01-01

    La calidad del servicio en la formación superior ha recibido una atención creciente desde la última década del siglo pasado (O’Neill y Palmer, 2004). Esa atención abarca una serie de cuestiones diversas pero estrechamente relacionadas: la determinación de las dimensiones que integran el constructo calidad del servicio percibida en la formación superior (Rowley, 1997), el diseño de sistemas o modelos de gestión de la calidad (Owlia y Aspinwall, 1996), o los problemas asociados a la implementac...

  10. Morfología de los conductos radiculares de premolares superiores e inferiores

    OpenAIRE

    Greco Machado, Y.; García Molina, J.A.; Lozano de Luaces, Vicente; Manzanares Céspedes, María Cristina

    2009-01-01

    El propósito de este estudio fue caracterizar la anatomía de los conductos radiculares de dientes premolares superiores e inferiores provenientes de pacientes españoles. Fueron seleccionados 200 dientes premolares permanentes sometidos a diafanización. Para el estudio de los conductos radiculares se empleó la clasificación de Vertucci. La incidencia de conducto tipo I (un conducto) para los primeros premolares superiores fue de 5.88%, mientras que un 88.22% presentó dos conductos (de tipo II ...

  11. Encuesta DELPHI: la educación superior para el desarrollo humano y social

    OpenAIRE

    Lobera, Josep; Global University Network for Innovation, null

    2008-01-01

    La inclusión de un estudio Delphi en el presente informe responde al objetivo de dar voz a los especialistas en educación superior (ES), rectores y otros cargos de universidad, responsables de la formulación de políticas públicas y sociedad civil para explorar las tendencias de opinión emergentes y perspectivas de los expertos sobre el rol de la educación superior en relación al desarrollo humano y social. Este objetivo y el método de investigación social escogido para llevarlo a cabo ...

  12. EVALUACIÓN DE LA COMPETENCIA EMOCIONAL DE LOS ESTUDIANTES EN LA EDUCACIÓN SUPERIOR

    OpenAIRE

    Teresa POZO RICO; Ostafii, Valeriu; Raquel GILAR CORBÍ

    2015-01-01

    Las demandas de un mundo globalizado requieren universidades capaces de formar a estudiantes con un potencial desempeño profesional. Se buscan nuevas maneras de preparar a los universitarios para lograr una exitosa inserción laboral. De hecho, la misión de la Asociación Europea para la Garantía de la Calidad en la Educación Superior (ENQA) es contribuir al mantenimiento y mejora de la calidad de la educación superior europea con un alto nivel de excelencia. Con el fin de conseguir este objeti...

  13. O recurso a meios digitais no contexto do ensino superior : um estudo de uso da plataforma

    OpenAIRE

    Soigné, Christelle Marie Cardoso

    2009-01-01

    O presente trabalho propõe uma averiguação sobre a utilização das plataformas de e-Learning no contexto do ensino superior como um complemento ao estudo tradicional e a importância que se atribui a estas práticas. Pretendeu-se fazer uma reflexão crítica sobre a utilização das funcionalidades das plataformas de e-Learning no ensino superior. Neste âmbito tornou-se pertinente questionar sobre a disponibilidade, por parte dos alunos e professores, para a utilização das platafor...

  14. Endovascular stenting for the management of port-a-cath associated superior vena cava syndrome.

    Science.gov (United States)

    Kostopoulou, Vasiliki; Tsiatas, Marinos L; Kelekis, Dimitrios A; Dimopoulos, Meletios-Athanasios; Papadimitriou, Christos A

    2009-03-01

    Port-a-cath systems are often essential for the administration of long-term chemotherapy in the treatment of malignancies because they improve venous access, but they are associated with complications, mainly thrombosis of central veins. In the present report, we describe a case of right subclavian and superior vena cava port-a-cath-related thrombosis causing superior vena cava syndrome (SVCS) in a patient affected by Hodgkin's disease. The patient underwent percutaneous revascularization with stent positioning, experiencing immediate relief of symptoms. Endovascular procedures for the treatment of nonmalignant SVCS seem to represent a challenging therapeutic option. PMID:18322718

  15. Desarrollo de competencias profesionales en la educación superior. Un caso docente concreto

    OpenAIRE

    Ugarte, C. (Carolina); Naval, C. (Concepción)

    2010-01-01

    En este artículo se trata, en primer lugar, la emergencia de la educación superior como ámbito adecuado para abordar la tarea educativa en sentido pleno. Se estudia el posible desarrollo de algunas competencias profesionales en la educación superior, a través de una experiencia docente que se está llevando a cabo desde hace más de una década: la asignatura llamada Formación en competencias profesionales (I y II). El trabajo concluye mostrando cómo desde esta experiencia docente online-presenc...

  16. “Walk the Rim, Feel the Bone” Technique in Superior Sulcus Filling

    Science.gov (United States)

    Yong, Kai-Ling

    2015-01-01

    Summary: Superior sulcus filler injection is a nonsurgical method to rejuvenate the upper face. Blindness and stroke are devastating complications of facial filler injection. This study describes an injection technique that minimizes the risk of blindness and includes a case study demonstrating the cosmetic benefits of this procedure. To avoid retrograde injection of filler embolus into the ophthalmic artery, we advocate a “‘walk the rim, feel the bone” approach. Small boluses of hyaluronic acid filler are given in preperiosteal plane, avoiding the superior orbital foramen. PMID:26894017

  17. Surgical Management of Undiagnosed Laceration of Superior Vena Cava Caused by Blunt Trauma.

    Science.gov (United States)

    Bouabdallaoui, Nadia; Debbagh, Hassan; Schoell, Thibaut; Lebreton, Guillaume

    2016-05-01

    Intrapericardial rupture of the superior vena cava resulting from blunt thoracic trauma is a rare and life-threatening condition that has to be ruled out in the presence of signs of cardiac tamponade and a history of blunt thoracic trauma. We report the case of undiagnosed superior vena cava laceration caused by a high-speed road traffic accident in a 25 year-old patient revealed by cardiac tamponade. We highlight the need of urgent surgical exploration in all patients whose condition is unstable in the setting of blunt thoracic trauma regardless of imaging conclusions. PMID:27106431

  18. Surgical Management of Undiagnosed Laceration of Superior Vena Cava Caused by Blunt Trauma

    OpenAIRE

    Bouabdallaoui, Nadia; Debbagh, Hassan; Schoell, Thibaut; Lebreton, Guillaume

    2016-01-01

    International audience Intrapericardial rupture of the superior vena cava resulting from blunt thoracic trauma is a rare and life-threatening condition that has to be ruled out in the presence of signs of cardiac tamponade and a history of blunt thoracic trauma. We report the case of undiagnosed superior vena cava laceration caused by a high-speed road traffic accident in a 25 year-old patient revealed by cardiac tamponade. We highlight the need of urgent surgical exploration in all patien...

  19. Identity Centrality and In-Group Superiority Differentially Predict Reactions to Historical Victimization and Harm Doing

    OpenAIRE

    Rezarta Bilali

    2012-01-01

    Two U.S. studies report a differential effect of identity centrality and in-group superiority on reactions to in-group victimization and in-group harm-doing. Study 1 (N = 80) found that higher identity centrality predicted less justification for freely-recalled in-group victim events, whereas higher in-group superiority predicted more justification for freely-recalled in-group harm-doing events. Study 2 (N = 105) reexamined these findings in specific contexts of historical victimization (Pear...

  20. estudo exploratório com estudantes do 1º ciclo do ensino superior

    OpenAIRE

    Rodrigues, Maria do Rosário Queirós

    2012-01-01

    Dissertação apresentada à Universidade Fernando Pessoa, como parte dos requisitos para a obtenção do grau de Mestre em Psicologia, especialização em Psicologia do Trabalho e das Organizações Este trabalho apresenta um estudo exploratório sobre as atividades de aprendizagem e as perceções de literacia no ensino superior, tendo sido concretizado com estudantes universitários do 1º ciclo de estudos (Licenciatura) em três instituições de ensino superior, públicas e privadas, do norte do país. ...

  1. La Escuela Nacional Superior de Enfermeras de Colombia: relaciones con organismos interamericanos

    OpenAIRE

    Velandia Mora, Ana Luisa

    2009-01-01

    Este escrito es un aporte al proyecto: “Formación de personal de enfermería en la Universidad Nacional de Colombia”, que lleva a cabo el Grupo de Investigación en Historia de la Enfermería de la misma Universidad. El artículo tiene como objetivo dar a conocer la historia de la Escuela Nacional Superior de Enfermeras de la Universidad Nacional de Colombia - ENSE, desde su creación en 1943 hasta su transformación en Facultad de Enfermería, en 1958. La Escuela Nacional Superior de Enfermeras es ...

  2. Superior coexistence: systematicALLY regulatING land subsidence BASED on set pair theory

    Science.gov (United States)

    Chen, Y.; Gong, S.-L.

    2015-11-01

    Anthropogenic land subsidence is an environmental side effect of exploring and using natural resources in the process of economic development. The key points of the system for controlling land subsidence include cooperation and superior coexistence while the economy develops, exploring and using natural resources, and geological environmental safety. Using the theory and method of set pair analysis (SPA), this article anatomises the factors, effects, and transformation of land subsidence. Based on the principle of superior coexistence, this paper promotes a technical approach to the system for controlling land subsidence, in order to improve the prevention and control of geological hazards.

  3. Instituciones de educación superior con ánimo de lucro en colombia

    OpenAIRE

    Guzmán, Alexander; Restrepo, José Manuel; Trujillo, María Andrea

    2012-01-01

    La educación superior ha sido tradicionalmente ofertada por instituciones públicas yprivadas sin ánimo de lucro. Sin embargo, algunos países permiten la existencia de institucionesde educación superior con ánimo de lucro, las cuales cada vez se consolidan más al incrementar elnúmero de estudiantes que atienden, su presencia geográfica y su crecimiento. Discutir sobre unaposible creación de este tipo de organizaciones en Colombia convoca hacia el entendimiento deesta posibilidad con el propósi...

  4. Interculturalidad y educación superior: diversidad de contextos, actores, visiones y propuestas

    OpenAIRE

    Daniel Mato

    2007-01-01

    Diversas ideas de interculturalidad constituyen el piso epistemológico de propuestas de educación superior de también diversas organizaciones indígenas y afrodescendientes, universidades “convencionales” y agencias de Estados igualmente diversas. Este artículo procura caracterizar las principales concepciones de la idea de interculturalidad aplicadas a la educación superior y sus relaciones con los respectivos contextos de producción de las mismas, sus convergencias y divergencias.

  5. Ambiente regulativo, respostas estratégicas e qualidade de ensino superior em organizações de ensino superior (IES do estado do Paraná

    Directory of Open Access Journals (Sweden)

    João Marcelo Crubellate

    2009-10-01

    Full Text Available

    O principal objetivo deste estudo foi investigar o significado de qualidade de ensino superior a partir das respostas estratégicas de Organizações de Ensino Superior (IES do Estado do Paraná aos critérios estabelecidos pelo MEC no período de 2001 a 2003. O método que caracteriza o estudo é a pesquisa do tipo levantamento (survey. Foram utilizados dados secundários (legislação brasileira de ensino e informações disponibilizadas nos sites oficiais do MEC e do INEP e, principalmente, dados primários, obtidos por meio de questionário estruturado enviado a 130 IES privadas do Estado do Paraná, no ano de 2004. Por meio de procedimentos estatísticos multivariados foi possível classificar 35 IES cujos dirigentes principais responderam ao questionário, enviando-o aos pesquisadores, de acordo com as respostas e o significado atribuído aos critérios oficiais de qualidade. Os resultados sugeriram respostas de aceitação (aquiescência e evasão e de rejeição dos critérios, que naquelas IES tinham, �� época do estudo, significados diversos, uma vez que, para algumas, eles eram fonte de legitimidade, para outras, eram fonte de eficiência no ensino e, para as IES com respostas de rejeição, implicavam em coerção por parte do Governo Federal sobre as Organizações de Ensino Superior. Implicações desses resultados são discutidas nas conclusões.

  6. Fundamentos y modalidades de la tutoría en educación superior / Fundamentos e modalidades da tutoria em educação superior

    OpenAIRE

    Ida Lucía Morchio

    2009-01-01

    La Tutoría en Educación Superior constituye una vía para contribuir al logro de la calidad educativa en términos de aprendizaje efectivo y promoción del desarrollo personal de los estudiantes. En el presente trabajo se recupera su etimología, se propone una conceptualización, se analizan sus bases teóricas desde la perspectiva de la Orientación Educativa y de la Psicología de la Educación y se describen algunas modalidades de implementación. Como cierre se comparten experiencias realizadas en...

  7. Butanol (a superior biofuel) production from agricultural residues (renewable biomass): recent progress in technology

    Science.gov (United States)

    This article reviews bioconversion of plant materials such as wheat straw (WS), corn stover (CS), barley straw (BS), and switchgrass (SG) to butanol and process technology that converts these materials into this superior biofuel. Successful fermentation of low value WS makes butanol fermentation ec...

  8. Superior mesenteric vein thrombosis – unusual management of unusual complication of Whipple procedure

    Science.gov (United States)

    Huťan, Martin; Bartko, Christian; Slyško, Roman; Sekáč, Jaroslav; Prochotský, Augustín; Majeský, Ivan; Škultéty, Ján

    2014-01-01

    INTRODUCTION Pancreatoduodenectomy is an extensive procedure carrying risk of a number of postoperative complications. Of these the most common are surgical site infections (SSI), bleeding, delayed gastric emptying, and anastomotic leakage. However, the most serious complications are ones, that are rare, clinically hardly diagnosed, and if untreated, leading to the death of a patient. Among the latter complications is thrombosis of superior mesenteric vein. Its clinical signs are unspecific and diagnostics complicated. Treatment requires aggressive approach. If this is absent, intestinal necrosis with septic state, Multiple Organ Dysfunction Syndrome (MODS) and Multiple Organ Failure (MOF) lead to a death of a patient. PRESENTATION OF CASE Authors present a case of a patient after pancreatoduodenectomy, complicated by the thrombosis of superior mesenteric vein. Patient was managed by resection of the necrotic bowel, venous decompression by venous bypass from superior mesenteric vein to the right ovarian vein, and open abdomen with negative pressure wound therapy (NPWT). Patient suffered severe abdominal sepsis with need for intensive organ support. Abdomen was definitely closed on fourth NPWT redress. Patient healed without any further complications, is well and was released to the ambulatory setting. DISCUSSION Superior mesenteric vein (VMS) thrombosis is a rare complication. It diagnosis requires high level of vigilance and once diagnosed, aggressive therapy is essential. Two goals of surgical treatment exist: resection of the necrotic bowel and facilitation of the blood outflow. CONCLUSION Mesenteroovarian anastomosis is one of the options in treatment of thrombosis of VMS if thrombectomy is not feasible. PMID:25255475

  9. Psychosocial Experiences and Adjustment among Adult Swedes with Superior General Mental Ability

    Science.gov (United States)

    Stalnacke, Jannica; Smedler, Ann-Charlotte

    2011-01-01

    In Sweden, special needs of high-ability individuals have received little attention. For this purpose, adult Swedes with superior general mental ability (GMA; N = 302), defined by an IQ score greater than 130 on tests of abstract reasoning, answered a questionnaire regarding their views of themselves and their giftedness. The participants also…

  10. Benthic versus Planktonic Foundations of Three Lake Superior Coastal Food Webs

    Science.gov (United States)

    The structure of aquatic food webs can provide information on system function, trophic dynamics and, potentially, responses to anthropogenic stressors. Stable isotope analyses in a Lake Superior coastal wetland (Allouez Bay, WI, USA) revealed that the food web was based upon carb...

  11. Superior temporal gyrus volume reduction and P300 in schizophrenia prior to treatment

    Energy Technology Data Exchange (ETDEWEB)

    Hirayasu, Akira; Hokama, Hiroto; Ogura, Chikara; Ohta, Hirokazu; Arakaki, Hajime; Asato, Naohiko; Yamaguchi, Keiichiro [Ryukyus Univ., Nishihara, Okinawa (Japan). Faculty of Medicine

    1998-07-01

    Authors measured the superior temporal gyrus volume by 3D MRI imaging for the schizophrenics and simultaneously recorded the P300 component during the auditory odd-ball exercise. Subjects were 8 cases of schizophrenics and the sex- and age-matched healthy control adults. In schizophrenics, the superior temporal gyrus volume reduction was found. When the superior temporal gyrus was divided into two parts, the anterior part containing the primary auditory area, and the posterior part containing the planum temporale and the Wernicle speech area, the volume reduction of left side in the posterior part was remarkable. There was no difference in the latent time and the P300 amplitude between schizophrenics and healthy controls, suggesting that the superior temporal gyrus abnormalities will appear prior to P300 abnormalities. We could not find any correlation between findings of MRI and P300 and psychic symptoms. We discuss the possible contribution on the elucidation of the pathogenesis of the schizophrenia by simultaneous recordings of 3D MRI imaging and the event-related potentials. (K.H.)

  12. La educación superior en México tendencias y desafíos

    Directory of Open Access Journals (Sweden)

    Yazmín Cruz López

    2008-06-01

    Full Text Available Este capítulo hace un análisis del sistema mexicano de Educación Superior en la última década y de los principales desafíos a que se enfrenta.This chapter analyzes the Mexican system of higher education in the last decade and discusses the major challenges this system faces.

  13. White matter change on CT associated with superior vena cava syndrome: a case report

    International Nuclear Information System (INIS)

    An 11-year-old Japanese girl with nephrotic syndrome developed superior vena cava syndrome associated with hypercoagulability and an indwelling catheter. Cranial CT revealed diffuse low-density lesions in paraventricular white matter. Thrombectomy brought prompt relief of symptoms and correction of CT abnormalities. (orig.)

  14. Superior temporal gyrus volume reduction and P300 in schizophrenia prior to treatment

    International Nuclear Information System (INIS)

    Authors measured the superior temporal gyrus volume by 3D MRI imaging for the schizophrenics and simultaneously recorded the P300 component during the auditory odd-ball exercise. Subjects were 8 cases of schizophrenics and the sex- and age-matched healthy control adults. In schizophrenics, the superior temporal gyrus volume reduction was found. When the superior temporal gyrus was divided into two parts, the anterior part containing the primary auditory area, and the posterior part containing the planum temporale and the Wernicle speech area, the volume reduction of left side in the posterior part was remarkable. There was no difference in the latent time and the P300 amplitude between schizophrenics and healthy controls, suggesting that the superior temporal gyrus abnormalities will appear prior to P300 abnormalities. We could not find any correlation between findings of MRI and P300 and psychic symptoms. We discuss the possible contribution on the elucidation of the pathogenesis of the schizophrenia by simultaneous recordings of 3D MRI imaging and the event-related potentials. (K.H.)

  15. Educación superior privada en Aguascalientes. La Universidad Bonatera

    OpenAIRE

    Bonifacio Barba

    1996-01-01

    En estas páginas se analizan las políticas fundantes de la Universidad Bonaterra de Aguascalientes; se trata de una universidad privada que fue creada para responder a la gran demanda de educación superior en el estado, y al mismo tiempo para atender la relación de la universidadcon las empresas.

  16. A RARE CASE OF GALLBLADDER PERFORATION WITH CONCOMITANT SUPERIOR MESENTERIC ARTERY THROMBOSIS CAUSING BOWEL ISCHEMIA

    Directory of Open Access Journals (Sweden)

    Minakshi

    2014-01-01

    Full Text Available We are presenting a rare case of Gall Bladder Perforation with Superior Mesenteric Artery thrombosis causing mid gut gangrene. Gall bladder Perforation due to gallstones and Acute Mesenteric Ischemia are two different pathologies not associated with each other , occurring together in the same patient causing acute abdomen has not been reported in the literature till date.

  17. Do Adults with Mental Retardation Show Pictorial Superiority Effects in Recall and Recognition?

    Science.gov (United States)

    Cherry, Katie E.; Applegate, Heather; Reese, Celinda M.

    2002-01-01

    A study examined memory for pictures and words in 16 adults with mental retardation and 24 controls. Pictorial superiority effects occurred in free recall and recognition for both intelligence-level groups. Correlational analyses indicated working memory span was primarily related to recall performance, irrespective of stimulus format. (Contains…

  18. El aprendizaje de competencias: un nuevo reto en la educación superior

    OpenAIRE

    Pérez Gracia, María de la Vega

    2012-01-01

    Competencias, evaluación, trabajo en grupo En este trabajo se reflexiona acerca de la introducción de las competencias en la enseñanza superior y se muestra un ejemplo de inclusión de una competencia (trabajo en grupo) en los estudios de grado, proponiendo metodologías de evaluación de estas actividades.

  19. Immature insects (Plecoptera, Trichoptera, and Ephemeroptera) collected from deep water in western Lake Superior

    Science.gov (United States)

    Selgeby, James H.

    1974-01-01

    Five species of aquatic insects - two plecopterans, two trichopterans, and one ephemeropteran - usually found in streams or ponds were collected in water 32-100 m deep in western Lake Superior. All appear to be new records for the lake and all were collected from far greater depths than previously recorded for these forms.

  20. Intangible Assets and Superior and Sustained Performance of Innovative Brazilian Firms

    Directory of Open Access Journals (Sweden)

    Márcia Martins Mendes De Luca

    2014-10-01

    Full Text Available According to the Resource-Based View, the nature of the resources, competences and knowledge accumulated by firms are the major causes of variation in business performance. In view of the importance attributed to intangible assets, the purpose of the present study was to investigate whether innovative firms with superior and sustained performance and firms without superior and sustained performance differ with regard to investments in intangible assets. The sample consisted of 137 firms listed on the Brazilian stock exchange from 2007 to 2010 and belonging to innovative sectors according to the Brazilian Innovation Index. Only 51 firms with profitability above the sector average during the entire study period (four years met the criterion of superior and sustained performance. Thus, using return on assets as a proxy for performance, investments in intangibles were found to be greater in firms without superior and sustained performance, particularly with regard to the categories intellectual property assets (the predominant category and infrastructure assets. Based on the lack of evidence for a significant correlation between corporate performance and investment in intangible assets, our initial hypothesis that a positive relation exists between the composition of investments in intangible assets and the performance of innovative firms could not be confirmed.

  1. [Superior mesenteric artery syndrome after surgical correction of severe dorso-lumbar deformities. Authors' experience].

    Science.gov (United States)

    Massaioli, N; Rastel-Bogin, P; Schieroni, R; Brayda-Bruno, M; Villata, E; Bonatti, L; Redivo, L; Galliano, R; Busch, R; Borello, G

    1995-12-01

    The authors report two cases of superior mesenteric artery syndrome observed in 22 operations for severe spinal deformities. Medical, dietary and postural treatment enabled the situation to be resolved in one case; whereas an intestinal derotation according to Strong-Valdoni was successfully performed in the other. The various surgical alternatives are discussed. PMID:8725066

  2. A Multifactorial Mechanism in the Superior Antimalarial Activity of α-C-GalCer

    Directory of Open Access Journals (Sweden)

    John Schmieg

    2010-01-01

    Full Text Available We have previously shown that the C-glycoside analog of α-galactosylceramide (α-GalCer, α-C-GalCer, displays a superior inhibitory activity against the liver stages of the rodent malaria parasite Plasmodium yoelii than its parental glycolipid, α-GalCer. In this study, we demonstrate that NK cells, as well as IL-12, are a key contributor for the superior activity displayed by α-C-GalCer. Surprisingly, the diminished production of Th2 cytokines, including IL-4, by α-C-GalCer has no affect on its superior therapeutic activity relative to α-GalCer. Finally, we show that the in vivo administration of α-C-GalCer induces prolonged maturation of dendritic cells (DCs, as well as an enhanced proliferative response of mouse invariant Vα14 (Vα14i NKT cells, both of which may also contribute to some degree to the superior activity of α-C-GalCer in vivo.

  3. Cardiac Metastasis from Invasive Thymoma Via the Superior Vena Cava: Cardiac MRI Findings

    International Nuclear Information System (INIS)

    Cardiac tumors are rare, and metastatic deposits are more common than primary cardiac tumors. We present cardiac magnetic resonance imaging (MRI) findings of a 50-year-old woman with invasive thymoma. Cardiac MRI revealed a heterogeneous, lobulated anterior mediastinal mass invading the superior vena cava and extending to the right atrium. In cine images there was no invasion to the right atrial wall.

  4. Redes de colaboración en Educación Superior

    OpenAIRE

    Solano Fernández, Isabel Mª

    2012-01-01

    Redes de colaboración para la Educación Superior. Se analiza el modelo pedagógico constructivista social, y dentro de este el método colaborativo. Posteriormente analiza las posibilidades de las redes, redes sociales y medios sociales, para la Educación.

  5. A Novel Method for Intraoral Access to the Superior Head of the Human Lateral Pterygoid Muscle

    Directory of Open Access Journals (Sweden)

    Aleli Tôrres Oliveira

    2014-01-01

    Full Text Available Background. The uncoordinated activity of the superior and inferior parts of the lateral pterygoid muscle (LPM has been suggested to be one of the causes of temporomandibular joint (TMJ disc displacement. A therapy for this muscle disorder is the injection of botulinum toxin (BTX, of the LPM. However, there is a potential risk of side effects with the injection guide methods currently available. In addition, they do not permit appropriate differentiation between the two bellies of the muscle. Herein, a novel method is presented to provide intraoral access to the superior head of the human LPM with maximal control and minimal hazards. Methods. Computational tomography along with digital imaging software programs and rapid prototyping techniques were used to create a rapid prototyped guide to orient BTX injections in the superior LPM. Results. The method proved to be feasible and reliable. Furthermore, when tested in one volunteer it allowed precise access to the upper head of LPM, without producing side effects. Conclusions. The prototyped guide presented in this paper is a novel tool that provides intraoral access to the superior head of the LPM. Further studies will be necessary to test the efficacy and validate this method in a larger cohort of subjects.

  6. Rare Anomalous Origin of Superior Left Pulmonary Artery from Left Subclavian Vein

    Energy Technology Data Exchange (ETDEWEB)

    Lv, Tian-shi, E-mail: TerrenceLv@126.com; Wang, Chao, E-mail: wangchaoxs@163.com; Song, Li, E-mail: song9981@163.com; Lv, Yong-xing, E-mail: lyongxing@msn.com; Zou, Ying-hua, E-mail: yinghzou@139.com [Peking University First Hospital, Department of Interventional Radiology and Vascular Surgery (China)

    2013-10-15

    We report for the first time an extremely rare anomalous origin of the superior left pulmonary artery in a 60 year-old man. Although it was occult in clinical indications, such a malformation still ought to be considered, especially during endovascular procedures.

  7. Superior thyroid artery pseudoaneurysm and arteriovenous fistula following attempted internal jugular venous access and its management

    Directory of Open Access Journals (Sweden)

    Pushpinder Singh Khera

    2015-01-01

    Full Text Available Vascular injury during common jugular venous (IJV access is a rare complication, usually involving injury to the common carotid artery. We describe a previously unreported complication of iatrogenic injury of IJV access involving a branch of the superior thyroid artery, and its endovascular management.

  8. Factors Related to How Superiors Establish Goals and Review Performance for Their Subordinates.

    Science.gov (United States)

    Carroll, Stephen J., Jr.; And Others

    The objective of the study was to identify the characteristics of the superior, the subordinate, and the situation which were related to the manner in which the "Management by Objectives" (MBO) process is carried out. Data collected from 112 managers in a national industrial firm was used in the analysis. Previous research with this data had…

  9. El Programa Nacional de Becas para Estudios Superiores (PRONABES. Un enfoque de relaciones intergubernamentales

    Directory of Open Access Journals (Sweden)

    José Cándido González Mercado

    2006-01-01

    Full Text Available El autor analiza el Programa Nacional de Becas para Estudios Superiores desde la óptica de las Relaciones Intergubernamentales, intentando construir un escenario “deseable” en el que se mejore la forma de asignar los recursos, de modo que se logre un mayor impacto entre en los alumnos beneficiarios del Programa.

  10. Glass-formingproperty of hydroxyectoine is the cause of its superior function as a desiccation protectant

    NARCIS (Netherlands)

    Tanne, C.; Golovina, E.A.; Hoekstra, F.A.; Meffert, A.; Galinski, E.A.

    2014-01-01

    We were able to demonstrate that hydroxyectoine, in contrast to ectoine, is a good glass-forming compound. Fourier transform infrared and spin label electron spin resonance studies of dry ectoine and hydroxyectoine have shown that the superior glass-forming properties of hydroxyectoine result from s

  11. La calidad en la reforma de la educación superior

    OpenAIRE

    Maldonado, Dario

    2011-01-01

    ¿Cuál es el debate que gira en torno a la calidad de la educación superior? Aunque la cobertura de cupos es necesaria, debe asegurarse que los estudiantes reciban una adecuada educación, pero ¿Cuál debe ser la "calidad" de la educación?

  12. Increased Activation in Superior Temporal Gyri as a Function of Increment in Phonetic Features

    Science.gov (United States)

    Osnes, Berge; Hugdahl, Kenneth; Hjelmervik, Helene; Specht, Karsten

    2011-01-01

    A common assumption is that phonetic sounds initiate unique processing in the superior temporal gyri and sulci (STG/STS). The anatomical areas subserving these processes are also implicated in the processing of non-phonetic stimuli such as music instrument sounds. The differential processing of phonetic and non-phonetic sounds was investigated in…

  13. Thrombosis caused by polyurethane double-lumen subclavian superior vena cava catheter and hemodialysis

    DEFF Research Database (Denmark)

    Wanscher, Maria Rørbæk; Frifelt, J J; Smith-Sivertsen, C;

    1988-01-01

    During an 18-month period, 82 consecutive patients (37 women and 45 men), with a mean age of 50 yr (range 15 to 74), underwent hemodialysis with 91 polyurethane double-lumen subclavian superior vena cava catheters inserted via the right subclavian vein. Upon catheter removal, venograms were...

  14. Superior Vena Cava Syndrome: A Presenting Feature of Mediastinal Germ Cell Tumor

    Directory of Open Access Journals (Sweden)

    Mahua Roy

    2010-04-01

    Full Text Available Superior vena cava syndrome (SVCS is rare in children. Non-Hodgkin’s Lymphoma (NHL is the most common cause of SVCS in children. This report an adolescent male who presented with SVCS due to mixed germ cell tumor (GCT of the anterior mediastinum with predominant yolk cell component. Such etiology of SVCS is rarely reported.

  15. The Factor Structure of Source Credibility Scales for Immediate Superiors in the Organizational Context.

    Science.gov (United States)

    Falcione, Raymond L.

    This study reports on two investigations designed to determine the generalizability of source credibility scales for immediate superiors across organizational contexts. Semantic differential-type scales that have been found to load on factors of course credibility in previous studies were combined to provide an item pool for this investigation. In…

  16. Clinical significance of hepatic artery variations originating from the superior mesenteric artery in abdominal tumor surgery

    Institute of Scientific and Technical Information of China (English)

    HUANG Yuan; LIU Chao; LIN Jin-ling

    2013-01-01

    Background Hepatic artery variations are frequent clinical occurrences.The aim of this study was to investigate the characteristic course of variant hepatic arteries originating from the superior mesenteric artery for the purpose of providing instructions for abdominal tumor surgery.Methods The course of variant hepatic arteries originating from the superior mesenteric artery was studied in 400 patients with liver cancer confirmed by digital subtraction angiography (DSA) and multi-slice spiral computed tomography angiography (MSCTA),and 86 patients with gastric cancer confirmed by preoperative MSCTA between June 2008 and June 2010 in the First Affiliated Hospital of Guangxi Medical University.Results Hepatic artery variations originating from the superior mesenteric artery were noticed in 49 liver cancer patients and 14 gastric cancer patients (total 63 cases),with a variation rate of 12.96%,including two cases (3.17%) where the hepatic arteries ran along the anterior pancreas,and 61 cases (96.83%) where the hepatic arteries ran along the posterior pancreas.Conclusions Hepatic artery variations originating from the superior mesenteric artery present as two types:the pre-pancreas type and the post-pancreas type with the latter predominating.This finding is of clinical significance in abdominal tumor surgeries where clearance of portal lymph nodes is needed.

  17. Expression of zinc transporter ZnT7 in mouse superior cervical ganglion

    Science.gov (United States)

    The superior cervical ganglion (SCG) neurons contain a considerable amount of zinc ions, but little is known about zinc homeostasis in the SCG. It is known that zinc transporter 7 (ZnT7, Slc30a7), a member of the Slc30 ZnT family, is involved in mobilizing zinc ions from the cytoplasm into the Golgi...

  18. Exploring trends, causes, and consequences of declining lipids in Lake Superior lake trout

    Science.gov (United States)

    The ability of lake trout to forage in deepwater habitats is facilitated by high lipid content, which affords buoyancy. In Lake Superior, lean lake trout historically occupied depths < 80 m, and siscowet lake trout occupied depths > 80 m. Siscowets have been known f...

  19. White matter change on CT associated with superior vena cava syndrome: a case report

    Energy Technology Data Exchange (ETDEWEB)

    Fukuda, M. (Department of Nephrology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan)); Nagai, T. (Department of Neurology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan)); Kamiyama, Y. (Department of Nephrology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan)); Kawamura, K. (Department of Nephrology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan)); Kawahara, K. (Department of Nephrology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan)); Honda, M. (Department of Nephrology, Metropolitan Kiyose Children' s Hospital, Tokyo (Japan))

    1993-03-01

    An 11-year-old Japanese girl with nephrotic syndrome developed superior vena cava syndrome associated with hypercoagulability and an indwelling catheter. Cranial CT revealed diffuse low-density lesions in paraventricular white matter. Thrombectomy brought prompt relief of symptoms and correction of CT abnormalities. (orig.)

  20. THE SUPERIORITY OF EMPIRICAL BAYES ESTIMATION OF PARAMETERS IN PARTITIONED NORMAL LINEAR MODEL

    Institute of Scientific and Technical Information of China (English)

    Zhang Weiping; Wei Laisheng

    2008-01-01

    In this article, the empirical Bayes (EB) estimators are constructed for the estimable functions of the parameters in partitioned normal linear model. The superiorities of the EB estimators over ordinary least-squares (LS) estimator are investigated under mean square error matrix (MSEM) criterion.

  1. Using optimization techniques for finding potential superior reload configuration for TMI-1 cycle-9

    International Nuclear Information System (INIS)

    Optimization techniques have been developed for reloading nuclear power plants for more than a decade. In the most recent paper by Such and Levine a method was proposed by optimizing a PWR using simple direct optimization techniques. These techniques have now been further improved to determine superior reload configurations for TMI-1 Cycle-9, expeditiously. (author)

  2. [Progressive Intracranial Hypertension due to Superior Sagittal Sinus Thrombosis Following Mild Head Trauma: A Case Report].

    Science.gov (United States)

    Suto, Yuta; Maruya, Jun; Watanabe, Jun; Nishimaki, Keiichi

    2015-07-01

    Cerebral venous sinus thrombosis after mild head trauma without skull fracture or intracranial hematoma is exceptionally rare. We describe an unusual case of progressive intracranial hypertension due to superior sagittal sinus thrombosis following mild head trauma. A 17-year-old boy presented with nape pain a day after a head blow during a gymnastics competition (backward double somersault). On admission, he showed no neurological deficit. CT scans revealed no skull fractures, and there were no abnormalities in the brain parenchyma. However, his headache worsened day-by-day and he had begun to vomit. Lumbar puncture was performed on Day 6, and the opening pressure was 40 cm of water. After tapping 20 mL, he felt better and the headache diminished for a few hours. MR venography performed on Day 8 revealed severe flow disturbance in the posterior third of the superior sagittal sinus with multiple venous collaterals. Because of the beneficial effects of lumbar puncture, we decided to manage his symptoms of intracranial hypertension conservatively with repeated lumbar puncture and administration of glycerol. After 7 days of conservative treatment, his symptoms resolved completely, and he was discharged from the hospital. Follow-up MR venography performed on Day 55 showed complete recanalization of the superior sagittal sinus. The exact mechanism of sinus thrombosis in this case is not clear, but we speculate that endothelial damage caused by shearing stress because of strong rotational acceleration or direct impact to the superior sagittal sinus wall may have initiated thrombus formation. PMID:26136327

  3. Posterior semicircular canal dehiscence: a morphologic cause of vertigo similar to superior semicircular canal dehiscence

    International Nuclear Information System (INIS)

    Heading Abstract.The aim of this study was to assess imaging findings of posterior semicircular dehiscence on computed tomography and to evaluate incidence of posterior and superior semicircular canal dehiscence in patients presenting with vertigo, sensorineuronal hearing loss or in a control group without symptoms related to the inner ear. Computed tomography was performed in 507 patients presenting either with vertigo (n=128; 23 of these patients suffered also from sensorineuronal hearing loss), other symptoms related to the inner ear, such as hearing loss or tinnitus (n=183) or symptoms unrelated to the labyrinth (n=196). All images were reviewed for presence of dehiscence of the bone, overlying the semicircular canals. Twenty-nine patients had superior semicircular canal dehiscence. Of these patients, 83% presented with vertigo, 10% with hearing loss or tinnitus and the remaining 7% with symptoms unrelated to the inner ear. In 23 patients dehiscence of the posterior semicircular canal was encountered. Of these patients, 86% presented with vertigo, 9% with hearing loss or tinnitus and 5% with symptoms unrelated to the inner ear. Defects of the bony overly are found at the posterior semicircular canal, in addition to the recently introduced superior canal dehiscence syndrome. Significant prevalence of vertigo in these patients suggests that posterior semicircular canal dehiscence can cause vertigo, similar to superior semicircular canal dehiscence. (orig.)

  4. Posterior semicircular canal dehiscence: a morphologic cause of vertigo similar to superior semicircular canal dehiscence

    Energy Technology Data Exchange (ETDEWEB)

    Krombach, G.A.; Schmitz-Rode, T.; Haage, P.; Guenther, R.W. [Department of Diagnostic Radiology, University of Technology, Pauwelstrasse 30, 52057, Aachen (Germany); DiMartino, E. [Department of Otorhinolaryngology, University of Technology, Pauwelstrasse 30, 52057, Aachen (Germany); Prescher, A. [Department of Anatomy, University of Technology, Pauwelstrasse 30, 52057, Aachen (Germany); Kinzel, S. [Department of Experimental Veterinarian Medicine, University of Technology, Pauwelstrasse 30, 52057, Aachen (Germany)

    2003-06-01

    Heading Abstract.The aim of this study was to assess imaging findings of posterior semicircular dehiscence on computed tomography and to evaluate incidence of posterior and superior semicircular canal dehiscence in patients presenting with vertigo, sensorineuronal hearing loss or in a control group without symptoms related to the inner ear. Computed tomography was performed in 507 patients presenting either with vertigo (n=128; 23 of these patients suffered also from sensorineuronal hearing loss), other symptoms related to the inner ear, such as hearing loss or tinnitus (n=183) or symptoms unrelated to the labyrinth (n=196). All images were reviewed for presence of dehiscence of the bone, overlying the semicircular canals. Twenty-nine patients had superior semicircular canal dehiscence. Of these patients, 83% presented with vertigo, 10% with hearing loss or tinnitus and the remaining 7% with symptoms unrelated to the inner ear. In 23 patients dehiscence of the posterior semicircular canal was encountered. Of these patients, 86% presented with vertigo, 9% with hearing loss or tinnitus and 5% with symptoms unrelated to the inner ear. Defects of the bony overly are found at the posterior semicircular canal, in addition to the recently introduced superior canal dehiscence syndrome. Significant prevalence of vertigo in these patients suggests that posterior semicircular canal dehiscence can cause vertigo, similar to superior semicircular canal dehiscence. (orig.)

  5. Superior Vena Cava Syndrome: A Presenting Feature of Mediastinal Germ Cell Tumor

    OpenAIRE

    Mahua Roy; Rajat Bandyopadhyay; Narayan Pandit; Soumita Sengupta

    2010-01-01

    Superior vena cava syndrome (SVCS) is rare in children. Non-Hodgkin’s Lymphoma (NHL) is the most common cause of SVCS in children. This report an adolescent male who presented with SVCS due to mixed germ cell tumor (GCT) of the anterior mediastinum with predominant yolk cell component. Such etiology of SVCS is rarely reported.

  6. A case of bilateral superior vena cava with variations in the azygos system and in the heart.

    Science.gov (United States)

    Ortale, J R; Grill, E H

    1994-08-01

    A case of bilateral superior vena cava is described in an adult cadaver of undetermined sex and age. The persistent left superior vena cava had a larger diameter approximately equal to that of the right superior vena cava ending in a wide caliber coronary sinus. Variations in the azygos system were also found. The ventricles show thin walls with trabeculae carneae forming one to five strata in the left ventricle, and from one to three strata in the right ventricle. PMID:8085654

  7. The effect of captopril on the superior mesenteric artery and portal venous blood flow in normal man.

    OpenAIRE

    Ray-Chaudhuri, K; Thomaides, T; Maule, S; Watson, L.; Lowe, S; Mathias, C J

    1993-01-01

    1. Measurements of superior mesenteric artery and portal venous blood flow were made non-invasively along with systemic and other regional (cardiac index, forearm and cutaneous blood flow) vascular responses to acute ingestion of the ACE inhibitor captopril (50 mg) or placebo (50 mg vitamin C), in 12 healthy subjects while supine and during head-up tilt. 2. After captopril, superior mesenteric artery and portal blood flow rose markedly with a reduction in superior mesenteric artery vascular r...

  8. Lysosomal Targeting with Stable and Sensitive Fluorescent Probes (Superior LysoProbes): Applications for Lysosome Labeling and Tracking during Apoptosis

    OpenAIRE

    Xin Chen; Yue Bi; Tianyang Wang; Pengfei Li; Xin Yan; Shanshan Hou; Catherine E. Bammert; Jingfang Ju; K. Michael Gibson; Pavan, William J.; Lanrong Bi

    2015-01-01

    Intracellular pH plays an important role in the response to cancer invasion. We have designed and synthesized a series of new fluorescent probes (Superior LysoProbes) with the capacity to label acidic organelles and monitor lysosomal pH. Unlike commercially available fluorescent dyes, Superior LysoProbes are lysosome-specific and are highly stable. The use of Superior LysoProbes facilitates the direct visualization of the lysosomal response to lobaplatin elicited in human chloangiocarcinoma (...

  9. Numerical magnitude processing in abacus-trained children with superior mathematical ability: an EEG study.

    Science.gov (United States)

    Huang, Jian; Du, Feng-lei; Yao, Yuan; Wan, Qun; Wang, Xiao-Song; Chen, Fei-Yan

    2015-08-01

    Distance effect has been regarded as the best established marker of basic numerical magnitude processes and is related to individual mathematical abilities. A larger behavioral distance effect is suggested to be concomitant with lower mathematical achievement in children. However, the relationship between distance effect and superior mathematical abilities is unclear. One could get superior mathematical abilities by acquiring the skill of abacus-based mental calculation (AMC), which can be used to solve calculation problems with exceptional speed and high accuracy. In the current study, we explore the relationship between distance effect and superior mathematical abilities by examining whether and how the AMC training modifies numerical magnitude processing. Thus, mathematical competencies were tested in 18 abacus-trained children (who accepted the AMC training) and 18 non-trained children. Electroencephalography (EEG) waveforms were recorded when these children executed numerical comparison tasks in both Arabic digit and dot array forms. We found that: (a) the abacus-trained group had superior mathematical abilities than their peers; (b) distance effects were found both in behavioral results and on EEG waveforms; (c) the distance effect size of the average amplitude on the late negative-going component was different between groups in the digit task, with a larger effect size for abacus-trained children; (d) both the behavioral and EEG distance effects were modulated by the notation. These results revealed that the neural substrates of magnitude processing were modified by AMC training, and suggested that the mechanism of the representation of numerical magnitude for children with superior mathematical abilities was different from their peers. In addition, the results provide evidence for a view of non-abstract numerical representation. PMID:26238541

  10. Effect of strabismus surgery on torticollis caused by congenital superior oblique palsy in young children

    Directory of Open Access Journals (Sweden)

    Ramesh Kekunnaya

    2014-01-01

    Full Text Available Purpose: To evaluate the outcome of strabismus surgery for congenital superior oblique palsy (SOP in relation to correction of head tilt and hypertropia. The cohort of patients mainly involved very young children. This is the first study to use a standardized instrument to objectively measure torticollis before and after surgery. Materials and Methods: A non-comparative interventional case series of 13 cases of congenital superior oblique palsy with head tilt, who underwent simultaneous superior oblique tuck and inferior oblique recession between Jan 2000 and Dec 2008, were studied. Results: The mean duration of SOP until surgery was 36.8 months. Of the 12 unilateral cases, 8 were right-sided. Mean follow-up period was 17 months (range 7-36. The outcome was determined at the last follow-up. Mean pre-and post-operative hypertropia (p.d. in forced primary position was 19 ± 7 and 2 ± 6, respectively ( P < 0.0001. The head tilt reduced from mean of 17 ± 9 to 2 ± 2 degrees ( P < 0.0001. Success, defined as hypertropia <5 PD and head tilt less than 5 degrees, was achieved in 69% (9/13. C.I. 42-88% and 85% (11/13. C.I. 56-96%, respectively. The success rate for achieving both criteria was 61.5% (C.I. 35-88%. Five patients required additional surgery; usually a contralateral inferior rectus muscle recession, which was successful in all cases. One case developed asymptomatic Brown syndrome (7.69% - C.I. 6.7-22.2. Conclusions: Simultaneous superior oblique tuck and inferior oblique muscle recession can successfully treat selected cases of congenital superior oblique palsy. About one-third required an additional procedure, which led to total normalization of the head position.

  11. Influence of superior cervical ganglionectomy on hippocampal neurogenesis and learning and memory in adult rats

    Institute of Scientific and Technical Information of China (English)

    Yanping Ding; Baoping Shao; Shiyuan Yu; Shanting Zhao; Jianlin Wang

    2009-01-01

    BACKGROUND: Studies have shown that neurogenesis in the dentate gyrus plays an important role in learning and memory. However, studies have not determined whether the superior cervical ganglion or the sympathetic nerve system influences hippocampal neurogenesis or learning and memory in adult rats. OBJECTIVE: To observe differences in dentate gyrus neurogenesis, as well as learning and memory, in adult rats following superior cervical ganglionectomy. DESIGN, TIME AND SETTING: A randomized, controlled, animal study was performed at the Immunohistochemistry Laboratory of the School of Life Sciences in Lanzhou University from July 2006 to July 2007.MATERIALS: Doublecortin polyclonal antibody was provided by Santa Cruz Biotechnology, USA;avidin-biotin-peroxidase complex was purchased from Zhongshan Goldenbride Biotechnology, China;Morris water maze was bought from Taimeng Technology, China. METHODS: A total of 20 adult, male, Wistar rats were randomly divided into surgery and control groups, with 10 rats in each group. In the surgery group, the bilateral superior cervical ganglions were transected. In the control group, the superior cervical ganglions were only exposed, but no ganglionectomy was performed. MAIN OUTCOME MEASURES: To examine distribution, morphology, and number of newborn neurons in the dentate gyrus using doublecortin immunohistochemistry at 36 days following surgical procedures. To examine ability of learning and memory in adult rats using the Morris water maze at 30 days following surgical procedures. RESULTS: Doublecortin immunohistochemical results showed that a reduction in the number of doublecortin-positive neurons in the surgery group compared to the control group (P<0.05), while the distribution of doublecortin-positive neurons was identical in the two groups. The surgery group exhibited significantly worse performance in learning and spatial memory tasks compared to the control group (P<0.05). CONCLUSION: Superior cervical ganglionectomy

  12. A Holocene history of dune-mediated landscape change along the southeastern shore of Lake Superior

    Science.gov (United States)

    Loope, Walter L.; Fisher, Timothy G.; Jol, Harry M.; Anderton, John B.; Blewett, William L.

    2004-01-01

    Causal links that connect Holocene high stands of Lake Superior with dune building, stream damming and diversion and reservoir impoundment and infilling are inferred from a multidisciplinary investigation of a small watershed along the SE shore of Lake Superior. Radiocarbon ages of wood fragments from in-place stumps and soil O horizons, recovered from the bottom of 300-ha Grand Sable Lake, suggest that the near-shore inland lake was formed during multiple episodes of late Holocene dune damming of ancestral Sable Creek. Forest drownings at ~3000, 1530, and 300 cal. years BP are highly correlated with local soil burial events that occurred during high stands of Lake Superior. During these and earlier events, Sable Creek was diverted onto eastward-graded late Pleistocene meltwater terraces. Ground penetrating radar (GPR) reveals the early Holocene valley of Sable Creek (now filled) and its constituent sedimentary structures. Near-planar paleosols, identified with GPR, suggest two repeating modes of landscape evolution mediated by levels of Lake Superior. High lake stands drove stream damming, reservoir impoundment, and eolian infilling of impoundments. Falling Lake Superior levels brought decreased sand supply to dune dams and lowered stream base level. These latter factors promoted stream piracy, breaching of dune dams, and aerial exposure and forestation of infilled lakebeds. The bathymetry of Grand Sable Lake suggests that its shoreline configuration and depth varied in response to events of dune damming and subsequent dam breaching. The interrelated late Holocene events apparent in this study area suggest that variations in lake level have imposed complex hydrologic and geomorphic signatures on upper Great Lakes coasts.

  13. The clinico-anatomic explanation for tibial intraneural ganglion cysts arising from the superior tibiofibular joint

    International Nuclear Information System (INIS)

    To demonstrate that tibial intraneural ganglia in the popliteal fossa are derived from the posterior portion of the superior tibiofibular joint, in a mechanism similar to that of peroneal intraneural ganglia, which have recently been shown to arise from the anterior portion of the same joint. Retrospective clinical study and prospective anatomic study. The clinical records and MRI findings of three patients with tibial intraneural ganglion cysts were analyzed and compared with those of one patient with a tibial extraneural ganglion cyst and one volunteer. Seven cadaveric limbs were dissected to define the articular anatomy of the posterior aspect of the superior tibiofibular joint. The condition of the three patients with intraneural ganglia recurred because their joint connections were not identified initially. In two patients there was no cyst recurrence when the joint connection was treated at revision surgery; the third patient did not wish to undergo additional surgery. The one patient with an extraneural ganglion had the joint connection identified at initial assessment and had successful surgery addressing the cyst and the joint connection. Retrospective evaluation of the tibial intraneural ganglion cysts revealed stereotypic features, which allowed their accurate diagnosis and distinction from extraneural cases. The intraneural cysts had tubular (rather than globular) appearances. They derived from the postero-inferior portion of the superior tibiofibular joint and followed the expected course of the articular branch on the posterior surface of the popliteus muscle. The cysts then extended intra-epineurially into the parent tibial nerves, where they contained displaced nerve fascicles. The extraneural cyst extrinsically compressed the tibial nerve but did not directly involve it. All cadaveric specimens demonstrated a small single articular branch, which derived from the tibial nerve to the popliteus. The branch coursed obliquely across the posterior

  14. The clinico-anatomic explanation for tibial intraneural ganglion cysts arising from the superior tibiofibular joint

    Energy Technology Data Exchange (ETDEWEB)

    Spinner, Robert J. [Mayo Clinic, Department of Neurologic Surgery, Rochester, Minnesota (United States); Mayo Clinic, Department of Orthopedic Surgery, Rochester, Minnesota (United States); Mayo Clinic, Department of Anatomy, Rochester, Minnesota (United States); Mokhtarzadeh, Ali; Schiefer, Terry K. [Mayo Clinic College of Medicine, Rochester, Minnesota (United States); Krishnan, Kartik G. [Carl Gustav Carus University Hospital, Department of Neurological Surgery, Dresden (Germany); Kliot, Michel [University of Washington, Department of Neurosurgery, Seattle, Washington (United States); Amrami, Kimberly K. [Mayo Clinic, Department of Radiology, Rochester, Minnesota (United States)

    2007-04-15

    To demonstrate that tibial intraneural ganglia in the popliteal fossa are derived from the posterior portion of the superior tibiofibular joint, in a mechanism similar to that of peroneal intraneural ganglia, which have recently been shown to arise from the anterior portion of the same joint. Retrospective clinical study and prospective anatomic study. The clinical records and MRI findings of three patients with tibial intraneural ganglion cysts were analyzed and compared with those of one patient with a tibial extraneural ganglion cyst and one volunteer. Seven cadaveric limbs were dissected to define the articular anatomy of the posterior aspect of the superior tibiofibular joint. The condition of the three patients with intraneural ganglia recurred because their joint connections were not identified initially. In two patients there was no cyst recurrence when the joint connection was treated at revision surgery; the third patient did not wish to undergo additional surgery. The one patient with an extraneural ganglion had the joint connection identified at initial assessment and had successful surgery addressing the cyst and the joint connection. Retrospective evaluation of the tibial intraneural ganglion cysts revealed stereotypic features, which allowed their accurate diagnosis and distinction from extraneural cases. The intraneural cysts had tubular (rather than globular) appearances. They derived from the postero-inferior portion of the superior tibiofibular joint and followed the expected course of the articular branch on the posterior surface of the popliteus muscle. The cysts then extended intra-epineurially into the parent tibial nerves, where they contained displaced nerve fascicles. The extraneural cyst extrinsically compressed the tibial nerve but did not directly involve it. All cadaveric specimens demonstrated a small single articular branch, which derived from the tibial nerve to the popliteus. The branch coursed obliquely across the posterior

  15. Glenoid notch MRI findings do not predict normal variants of the anterior and superior labrum

    International Nuclear Information System (INIS)

    Aim: To determine (1) the relationship of a glenoid notch to the presence of a normal labral variant in the anterior–superior glenoid labrum; (2) the inter- and intra-observer reliability of recognising a glenoid notch; and (3) whether magnetic resonance arthrography (MRA) is more reliable than non-contrast magnetic resonance imaging (MRI) in visualising a glenoid notch. Materials and methods: From 1995 through 2010, 104 patients underwent MRI or MRA before diagnostic shoulder arthroscopy by the senior author. Five blinded musculoskeletal radiologists independently read the images twice to evaluate for the presence or absence of a glenoid notch. Fifty-nine (57%) patients had normal anterior–superior labral variants. The authors calculated the relationship of the readings to the arthroscopically determined presence or absence of a normal labral variant and the reading's diagnostic performance and rater reliability. Results: On average, 38% (range 9–65%) of the glenoid scans were read as notched. The sensitivity, specificity, positive predictive value, and negative predictive value of the notch relative to the presence of a normal variant were 43.1%, 71.2%, 70.2%, and 48% versus 44.3%, 77.5%, 79.4%, and 56.1% for MRI and MRA, respectively. The overall average intra-observer κ-values were 0.438 (range 0.203–0.555) and 0.346 (range –0.102 to 0.570) for MRI and MRA, respectively. The average interobserver intra-class correlation coefficient reliability values were 0.730 (range 0.693–0.760) and 0.614 (range 0.566–0.662) for MRI and MRA, respectively. Conclusions: A notched glenoid on MRI lacks sufficient diagnostic performance and rater reliability for the clinical detection and prediction of normal anterior–superior labral variants. -- Highlights: •Scapular notching cannot be used reliably to predict superior labrum lesions. •There is a high degree of variability of labrum attachments to the superior glenoid. •Superior labrum tears and normal

  16. Efectividad de la distalización molar por medio de un dispositivo de anclaje temporal cargado indirectamente

    OpenAIRE

    Zamarripa Díaz, Enrique Francisco

    2015-01-01

    El tratamiento de la maloclusión clase II con frecuencia requiere la distalización de las molares superiores a una relación clase I. Frecuentemente se utilizan aparatos extraorales como el arco extraoral. Sin embargo el éxito de estos aparatos depende de la excelente colaboración de los pacientes, la cual en la práctica diaria resulta ser deficiente. Ante esta problemática se han desarrollado una serie de aparatos intraorales fijos de apoyo dental y mucoso que no requiere una amplia cooperac...

  17. Financiamiento y demanda de educación superior en Colombia (periodo 1990-2005)

    OpenAIRE

    Isabel Cristina Montes; Carlos Andrés Cano; Isabel Ruiz

    2008-01-01

    RESUMENEsta investigación tuvo como objetivo identificar la relación entre la demanda por educación superior y variables relacionadas con su financiamiento. Se analiza cómo el financiamiento público y privado, además de las señales del mercado laboral, explican las matrículas en educación superior en tres regiones de Colombia: Bogotá, Cali yMedellín. El estudio se realizó a través de un modelo Datos de Panel y el periodo de estudio abarca entre 1990 y el 2005. Los resultados indican que incre...

  18. Persistent Left Superior Vena Cava: A Rare Case with Clinical Significance

    Science.gov (United States)

    Kumar, Raj; Yadav, Sankalp; Verma, Deepak

    2016-01-01

    Persistent Left Superior Vena Cava (PLSVC) is a rare congenital vascular anomaly (incidence of 0.3-0.5% of the general population) which being mostly asymptomatic in its presentation, is usually detected incidentally. There are many practical clinical implications associated with it including arrhythmias. We report a rare case of PLSVC with absent Right Superior Vena Cava (RSVC) (isolated PLSVC), in a 55-year-old lady who had complete heart block followed by sepsis and was diagnosed to have this condition during the permanent cardiac pacemaker implantation and central venous catheter insertion showing an abnormal path of the catheter/pacing leads. The authors also give an insight into its clinical relevance. PMID:27437282

  19. Acute superior vena caval syndrome with airway obstruction following elective mediastinoscopy.

    LENUS (Irish Health Repository)

    Power, C K

    2012-02-03

    A 47-year-old female patient had a subclinical superior vena caval syndrome which developed into the \\'full blown\\' acute condition when she was placed into the left lateral position after mediastinoscopy. She developed airway obstruction requiring urgent re-intubation and subsequent admission to the intensive care unit. This subclinical condition might have been suspected pre-operatively if closer attention had been paid to the history, physical examination and review of the computerised axial tomography scan: she had a history of intermittent dysponea, wheeze and cough which was worse on waking and improved as the day progressed, she had a positive Pemberton\\'s sign and the computerised axial tomography scan showed that the lesion was encroaching on the superior vena cava.

  20. Acreditación, mercado y educación superior

    OpenAIRE

    JUAN CARLOS SILAS CASILLAS

    2013-01-01

    El trabajo analiza los esquemas y referentes de calidad usados con frecuencia en México y Latinoamérica y se propone descubrir los argumentos de mercado que fundamentan las prácticas de acreditación y evaluación institucional. Se bosqueja, como conclusión, que el concepto de calidad en la educación superior es en sí mismo una construcción que obedece a un contexto dinámico en el cual están inmersos los actores de la educación superior y, en vez de acercarse a cuestiones filosóficas fundamenta...

  1. Reflections About the Teaching Methodology Processes Related with the Cognition of the Superior Education Student

    Directory of Open Access Journals (Sweden)

    Amparo Ardila de Chaves

    2006-10-01

    Full Text Available In concordance whit permanent global andlocal changes in superior education, not only inColombia but in the world, and having in accountthe relevance of pedagogical actions and theirincidence in the student’s cognitive level, it’s necessaryanalyze and to reflect about the mecanisminvolved in the learning processes, in orderto improve the curriculums and inside of them,the teaching methodologies, pedagogy an didactsthat promote better the students cognition.In the present article an analysis is made ofteaching methodologies developed in Institutionsof superior education with subsequentlearnings that not always facilitate the cognitivedevelopment of the student, as well as a proposalof educative innovation elements aimed to guidethe teachers into a careful consideration of theirpedagogical practice

  2. PERSPECTIVAS DE EDUCACIÓN AMBIENTAL EN LAS INSTITUCIONES DE EDUCACIÓN SUPERIOR

    Directory of Open Access Journals (Sweden)

    Juana Eugenia Olaguez Torres

    2013-02-01

    Full Text Available Cada vez más, varios sectores de la sociedad se preocupan por lograr un equilibrio en el ecosistema, incluyendo el área de la educación superior. En el presente estudio, se analizaron la parte teórica y las generalidades sobre la educación ambiental en la educación superior de México con el fin de coadyuvar en la concientización emergente. En este sentido, la educación ambiental debe de contribuir a la integración de la conciencia, conocimiento y actitud de la sociedad ante la problemática ambiental.

  3. Ocular torsion variation after superior oblique weakening procedure - a case report

    Directory of Open Access Journals (Sweden)

    Bruna Lana Ducca

    2012-09-01

    Full Text Available Purpose: to objectively evaluate the torsional effect of the tenectomy of the superior oblique muscle (SO. Design: case report of one of the patients of the group studied in the previous paper "Measurement of the ocular torsion variation after superior oblique tenectomy". Methods: case report of a patient with horizontal strabismus and bilateral SO muscle overaction who was submitted to bilateral SO tenectomy. Obejective access of ocular torsion was held by retinogrphy and a computer software (Autocad 2009. Results: the preoperative angle was 7.57 in the right eye and 0.66 in the left eye. Postoperative torsion angle was 4.22 in the right eye and -1.50 the left eye. Conclusion: the present case suggests that SO tenectomy has an extorter effect, decreasing the intorsion detected in case of SO overaction.

  4. 1300 MPa High Strength Steel for Bolt with Superior Delayed Fracture Resistance

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    By the increase in Mo content, the addition of microalloying elements V and Nb and by reducing the contents of Mn, P and S based on the composition of steel 42CrMo, we have developed a 1300 MPa-grade high strength steel (ADF1) for bolts. The sustained load bending test, sustained load tensile test and stress corrosion cracking test have been carried out to evaluate the delayed fracture resistance of steel ADF1 and commercial steel 42CrMo. The results showed that steel ADF1 has superior delayed fracture resistance to that of 42CrMo steel. It's concluded that the superior delayed fracture resistance of ADF1 is mainly due to the increase of tempering temperature, fine homogeneously distributed MC carbide and fine prior austenite grain size.

  5. Feasibility-Seeking and Superiorization Algorithms Applied to Inverse Treatment Planning in Radiation Therapy

    CERN Document Server

    Davidi, R; Schulte, R W; Geneser, S; Xing, L

    2014-01-01

    We apply the recently proposed superiorization methodology (SM) to the inverse planning problem in radiation therapy. The inverse planning problem is represented here as a constrained minimization problem of the total variation (TV) of the intensity vector over a large system of linear two-sided inequalities. The SM can be viewed conceptually as lying between feasibility-seeking for the constraints and full-fledged constrained minimization of the objective function subject to these constraints. It is based on the discovery that many feasibility-seeking algorithms (of the projection methods variety) are perturbation-resilient, and can be proactively steered toward a feasible solution of the constraints with a reduced, thus superiorized, but not necessarily minimal, objective function value.

  6. An oxide dispersion strengthened Ni-W-Al alloy with superior high temperature strength

    Science.gov (United States)

    Glasgow, T. K.

    1976-01-01

    An experimental oxide dispersion strengthened (ODS) alloy, WAZ-D, derived from the WAZ-20 composition was produced by the mechanical alloying process. Cast WAZ-20 is strengthened by both a high refractory metal content, and 70 volume percent of gamma prime. The ODS alloy WAZ-D was responsive to variables of alloy content, of attritor processing, of consolidation by extrusion, and of heat treatment. The best material produced had large highly elongated grains. It exhibited tensile strengths generally superior to a comparable cast alloy. The ODS alloy exhibited high temperature stress rupture life considerably superior to any known cast superalloy. Tensile and rupture ductility were low, as was intermediate temperature rupture life. Very low creep rates were noted and some specimens failed with essentially no third stage creep. Also the benefit derived from the oxide dispersion, far out-weighed that from the elongated microstructure alone.

  7. Calidad de la educación superior: concepto y modelos

    Directory of Open Access Journals (Sweden)

    Luis Eduardo González

    2008-07-01

    Full Text Available El propósito del presente artículo es comprender el concepto de calidad desde diferentes perspectivas. Se constata que este concepto posee distintos alcances en educación superior, dependiendo del ámbito de acción en el cual se aplica: procesos de evaluación, gestión, y planificación estratégica, entre otros. El artículo provee distintas miradas sistémicas que se traducen en modelos de evaluación y gestión de la calidad en la educación superior, tales como: TQM, EFQM, CINDA y MEXA.

  8. Espacio Europeo de Educación Superior. Situación actual. Marco legislativo.

    OpenAIRE

    Maciá Soler, Loreto; Moncho Vasallo, J.; Zabalegui Yárnoz, A.; Ricomá Muntané, R.; Nuin Orrio, C.; Mariscal Crespo, M.I.; Pedraz Marcos, A.; Márquez Membrive, J.; Germán Bes, C.

    2006-01-01

    El objetivo de este artículo es realizar un análisis de la legislación actual y la repercusión del cambio ya iniciado en algunas titulaciones como es el caso de Enfermería en el marco académico de la Educación Superior, reforma importante del Sistema Universitario Español. Para ello se revisa el contenido y análisis de la documentación publicada en el Ministerio de Educación relativa a Educación Superior; la legislación vigente española y la legislación Comunitaria con obj...

  9. Superior vena cava syndrome from an invasive thymoma with transcaval invasion to the right atrium.

    Science.gov (United States)

    Afzal, Ashwad; Wong, Ivan; Korniyenko, Aleksandr; Ivanov, Alex; Worku, Berhane; Gulkarov, Iosif

    2016-01-01

    Invasive thymoma with transcaval extension to the right atrium is a rare cause of superior vena cava syndrome. We present a case on a 74-year-old female presenting with dyspnea on exertion, and facial and upper extremity swelling. Physical examination revealed mild facial swelling, non-pitting edema involving the upper extremities and distention of superficial veins of the anterior chest wall and jugular veins. An echocardiogram showed moderate right atrial dilation with a mobile mass in the atrial cavity prolapsing through the tricuspid valve. Cardiac magnetic resonance imaging revealed a 9.9 × 4.3 cm heterogeneous mass in the anterior mediastinum compressing the superior vena cava and endovenously extending into the right atrium. Tissue biopsy of the mediastinal mass revealed a type B1 thymoma, further staged as a Masaoka IVa invasive thymoma that underwent successfulen blocresection followed by removal of intracaval and right atrial mass. PMID:27099229

  10. A satisfação dos alunos finalistas do Ensino Superior

    OpenAIRE

    Lucas, Ana Filipa Agante

    2014-01-01

    Na identificação dos determinantes da satisfação dos alunos finalistas com a formação obtida no Instituto Superior Técnico (IST) avaliou-se o impacto que a preparação para o mercado de trabalho, e a aprendizagem de competências transversais como a gestão, administração, empreendedorismo e liderança, têm na satisfação dos finalistas. O modelo teórico privilegiou as adaptações ao ensino superior (ES) dos modelos de medida da satisfação ECSI e SERVQUAL e, dos determinantes empí...

  11. SUPERIOR TENSILE EXTENSIBILITY OF PETG/PC AMORPHOUS BLENDS INDUCED VIA UNIAXIAL STRETCHING

    Institute of Scientific and Technical Information of China (English)

    Li Chen; Xin-lan Zhang; Huai-yuan Li; Bo Li; Ke Wang; Qin Zhang; Qiang Fu

    2011-01-01

    A simultaneous increase of both stiffness and extensibility ofpoly(ethylene glycol-co-cyclohexane-l,4-dimethanol terephthalate) (PETG)/polycarbonate (PC) blends prepared through the slit die extrusion-uniaxial cold stretching process was observed. The stretched sheets have a unique mechanical character that an increased tensile modulus is accompanied by an increased extensibility with increasing the draw ratio. Especially, a sharp increasing of the extensibility is observed for PETG/PC (70/30 wt<) blends at draw ratios between 8.2 and 20.0, where a nine times increase of extensibility is achieved. The mechanism of stretching-induced superior extensibility is investigated via micrograph observation, rheometry and calorimetric analysis. The observed superior extensibility could be tentatively explained by the bridging effect of the PC microfibrils on the crack development during tensile failure.

  12. Reasons for superior mechanical and corrosion properties of 2219 aluminum alloy electron beam welds

    International Nuclear Information System (INIS)

    Electron beam welds of aluminum alloy 2219 offer much higher strength compared to gas tungsten arc welds of the same alloy and the reasons for this have not been fully explored. In this study both types of welds were made and mechanical properties were evaluated by tensile testing and pitting corrosion resistance by potentio dynamic polarization tests. It is shown that electron beam welds exhibit superior mechanical and corrosion properties. The weld metals have been characterized by scanning electron microscopy; transmission electron microscopy and electron probe micro analysis. Presence of partially disintegrated precipitates in the weld metal, finer micro porosity and uniform distribution of copper in the matrix were found to be the reasons for superior properties of electron beam welds apart from the fine equiaxed grain structure. Transmission electron micrographs of the heat affected zones revealed the precipitate disintegration and over aging in gas tungsten arc welds

  13. Totally endoscopic robotic resection of left atrial myxoma with persistent left superior vena cava.

    Science.gov (United States)

    Tarui, Tatsuya; Ishikawa, Norihiko; Ohtake, Hiroshi; Watanabe, Go

    2016-07-01

    A 68-year old man with a cardiac tumour was admitted for robotic tumour resection using the da Vinci S Surgical System. While undergoing preoperative examination, he was found to have a persistent left superior vena cava. After general anaesthesia and single-lung ventilation, cardiopulmonary bypass was established, with venous drainage through bilateral internal jugular and right femoral veins and arterial return through the right femoral artery. Robotic tumour resection was performed by four ports in the right chest. There were no difficulties during the operation, and successful tumour resection was achieved with satisfactory margins. He was discharged without complications. Persistent left superior vena cava is very rare, but if diagnosed preoperatively and an appropriate operative plan is made, robotic cardiac surgery can be performed safely. With robotic surgery, cardiac tumour resection can be feasibly performed, with cosmetic benefits. PMID:26989070

  14. Co3O4@MWCNT nanocable as cathode with superior electrochemical performance for supercapacitors.

    Science.gov (United States)

    Wang, Xiaowei; Li, Minxia; Chang, Zheng; Yang, Yaqiong; Wu, Yuping; Liu, Xiang

    2015-02-01

    Using a simple hydrothermal procedure, cobalt oxide (Co3O4) with preferred orientation along (220) planes is in situ prepared and coated on MWCNT. The prepared Co3O4@MWCNT nanocable shows superior electrochemical performance as cathode material for aqueous supercapacitors in 0.5 M KOH solution. Its redox peaks retain the well-defined shapes even when the scan rate increases to 200 mV/s. Its specific capacitance is high, 590 F/g at 15 A/g and 510 F/g even at 100 A/g within the potential range from -0.2 to 0.58 V (vs SCE). There is no capacitance fading after 2000 full cycles. This excellent performance is superior to the pristine and the reported Co3O4, which is ascribed to the unique nanocable structure with orientation. PMID:25591171

  15. Prenatal VPA exposure and changes in sensory processing by the superior colliculus

    Directory of Open Access Journals (Sweden)

    Georgia eDendrinos

    2011-10-01

    Full Text Available Disorders involving dysfunctional sensory processing are characterized by an inability to filter sensory information, particularly simultaneously arriving multimodal inputs. We examined the effects of prenatal exposure to valproic acid (VPA, a teratogen linked to sensory dysfunction, on the behavior of juvenile and adult rats, and on the anatomy of the superior colliculus, a critical multisensory integration center in the brain. VPA-exposed rats showed deficits in colliculus-dependent behaviors including startle response, prepulse inhibition and nociceptive responses. Some deficits reversed with age. Stereological analyses revealed that colliculi of VPA-treated rats had significantly fewer parvalbumin-positive neurons, a subset of GABAergic cells. These results suggest that prenatal VPA treatment affects the development of the superior colliculus and leads to persistent anatomical changes evidenced by aberrant behavior in tasks that require sensory processing.

  16. 75 FR 35294 - Safety Zone; Marquette 4th of July Fireworks, Marquette Harbor, Lake Superior, Marquette, MI

    Science.gov (United States)

    2010-06-22

    ... Harbor, Lake Superior, Marquette, MI AGENCY: Coast Guard, DHS. ACTION: Temporary final rule. SUMMARY: The Coast Guard is establishing a temporary safety zone on Marquette Harbor, Lake Superior, Marquette, MI...: If you have questions on this temporary rule, call or e-mail BMC Gregory Ford, Marine...

  17. 75 FR 38721 - Safety Zone; Munising 4th of July Fireworks, South Bay, Lake Superior, Munising, MI

    Science.gov (United States)

    2010-07-06

    ..., Lake Superior, Munising, MI AGENCY: Coast Guard, DHS. ACTION: Temporary final rule. SUMMARY: The Coast Guard is establishing a temporary safety zone on South Bay, Lake Superior, Munising, Michigan. This zone... questions on this temporary rule, call or e-mail BMC Gregory Ford, Marine Event Coordinator, U.S....

  18. Superior transseptal approach to mitral valve is associated with a higher need for pacemaker implantation than the left atrial approach

    DEFF Research Database (Denmark)

    Lukac, Peter; Hjortdal, Vibeke E; Pedersen, Anders K; Mortensen, Peter; Jensen, Henrik Kjærulf; Hansen, Peter S

    2006-01-01

    retrospectively evaluated. The surgeons used either the superior transseptal (group A) or left atrial approach (group B). The risk of pacemaker implantation associated with the superior transseptal approach as compared with the left atrial approach was estimated using the multivariate Cox regression analysis to...

  19. A Case of Acute Ischemic Duodenal Ulcer Associated with Superior Mesenteric Artery Dissection After Transarterial Chemoembolization for Hepatocellular Carcinoma

    International Nuclear Information System (INIS)

    We report a case of transarterial chemoembolization (TACE)-related acute ischemic duodenal ulcer that developed in association with dissection of the superior mesenteric artery. We conclude that the acute duodenal ulcer was developed by ischemia related to superior mesenteric artery dissection during TACE. TACE should be conducted carefully with continuous observation of abdominal arteries.

  20. Acute Superior Mesenteric Venous Thrombosis: Transcatheter Thrombolysis and Aspiration Thrombectomy Therapy by Combined Route of Superior Mesenteric Vein and Artery in Eight Patients

    International Nuclear Information System (INIS)

    PurposeTo assess the feasibility, effectiveness, and safety of catheter-directed thrombolysis and aspiration thrombectomy therapy by combined route of superior mesenteric vein and artery (SMV+SMA) for acute superior mesenteric venous thrombosis (ASMVT).MethodsThis retrospective study reviewed eight ASMVT patients with transcatheter direct thrombolysis and aspiration thrombectomy therapy via SMV and indirect thrombolysis via SMA during a period of 14 months. The demographics, etiology, risk factors, therapeutic effect, complications, mortality, and follow-up of the study population were assessed. Anatomic and imaging classification of location and extent of thrombus at diagnosis and degree of thrombus lysis were described.ResultsTechnical success was achieved with substantial improvement in symptoms and thrombus resolution after thrombolytic therapy in all patients. The local urokinase infusion by SMA and SMV was performed for 5–7 (6.13 ± 0.83) and 7–15 (12 ± 2.51) days. Anticoagulation was performed catheter-directed and then orally throughout hospitalization and after discharge. Four patients required delayed localized bowel resection after thrombolytic therapy with no death. Thrombolytic therapy was not interrupted despite minor bleeding at the puncture site in two patients and sepsis in another two postoperatively. Nearly complete removal of thrombus was demonstrated by contrast-enhanced CT scan and portography before discharge. Patients were discharged in 10–27 (19.25 ± 4.89) days after admission. No recurrence developed during the follow-up of 10–13 (12.13 ± 0.99) months.ConclusionsCatheter-directed thrombolytic and aspiration therapy via SMV+SMA is beneficial for ASMVT in avoiding patient death, efficient resolving thrombus, rapid improving symptoms, reversing extensive intestinal ischemia, averting bowel resection, or localizing infarcted bowel segment and preventing short bowel syndrome

  1. Acute Superior Mesenteric Venous Thrombosis: Transcatheter Thrombolysis and Aspiration Thrombectomy Therapy by Combined Route of Superior Mesenteric Vein and Artery in Eight Patients

    Energy Technology Data Exchange (ETDEWEB)

    Yang, Shuofei, E-mail: yangshuofei@gmail.com; Liu, Baochen, E-mail: 306446264@qq.com; Ding, Weiwei, E-mail: dingwei-nju@hotmail.com; He, Changsheng, E-mail: hechsh@163.com; Wu, Xingjiang, E-mail: wuxingjiang@sohu.com; Li, Jieshou, E-mail: lijieshou2013@sohu.com [Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University (China)

    2015-02-15

    PurposeTo assess the feasibility, effectiveness, and safety of catheter-directed thrombolysis and aspiration thrombectomy therapy by combined route of superior mesenteric vein and artery (SMV+SMA) for acute superior mesenteric venous thrombosis (ASMVT).MethodsThis retrospective study reviewed eight ASMVT patients with transcatheter direct thrombolysis and aspiration thrombectomy therapy via SMV and indirect thrombolysis via SMA during a period of 14 months. The demographics, etiology, risk factors, therapeutic effect, complications, mortality, and follow-up of the study population were assessed. Anatomic and imaging classification of location and extent of thrombus at diagnosis and degree of thrombus lysis were described.ResultsTechnical success was achieved with substantial improvement in symptoms and thrombus resolution after thrombolytic therapy in all patients. The local urokinase infusion by SMA and SMV was performed for 5–7 (6.13 ± 0.83) and 7–15 (12 ± 2.51) days. Anticoagulation was performed catheter-directed and then orally throughout hospitalization and after discharge. Four patients required delayed localized bowel resection after thrombolytic therapy with no death. Thrombolytic therapy was not interrupted despite minor bleeding at the puncture site in two patients and sepsis in another two postoperatively. Nearly complete removal of thrombus was demonstrated by contrast-enhanced CT scan and portography before discharge. Patients were discharged in 10–27 (19.25 ± 4.89) days after admission. No recurrence developed during the follow-up of 10–13 (12.13 ± 0.99) months.ConclusionsCatheter-directed thrombolytic and aspiration therapy via SMV+SMA is beneficial for ASMVT in avoiding patient death, efficient resolving thrombus, rapid improving symptoms, reversing extensive intestinal ischemia, averting bowel resection, or localizing infarcted bowel segment and preventing short bowel syndrome.

  2. Arterial supply of the rat superior cervical ganglion: a morphological and semiquantitative histochemical investigation.

    OpenAIRE

    Santer, R M; Owen, R. G.

    1986-01-01

    A combination of morphological and semiquantitative techniques has been employed to characterise the arterial supply to the rat superior cervical ganglion. Microfil and ink-injected preparations indicate that the major supply is from the carotid body artery which sends several branches to the rostral part of the ganglion and a recurrent branch to its caudal part. Occlusion of the proximal part of the external carotid artery, and hence the carotid body artery (whether it be derived from the ex...

  3. Haemodynamic Changes in the Superior Mesenteric Artery Induced by Acupuncture Stimulation on the Lower Limbs

    OpenAIRE

    Masashi Watanabe; Shin Takayama; Yoshiko Yamamoto; Satoru Nagase; Takashi Seki; Nobuo Yaegashi

    2012-01-01

    Acupuncture is commonly performed on acupoints. A comparison of quantitative physiological alterations induced by stimulation on different acupoints has never been performed in the superior mesenteric artery (SMA) in humans. Therefore, we investigated changes in blood flow volume (BFV) in the SMA as an indicator of physiological effects induced by stimulation on 3 points. Thirty healthy participants aged 29 ± 10 years (mean ± SD) were enrolled. All participants underwent stimulations on 3 poi...

  4. Superior mesenteric artery syndrome secondary to brucellosis — A case report

    OpenAIRE

    Prasad, Seetharam; Lingadakai, Ramachandra; Chethan, Kishanchand; Abdul, Zeeshan

    2010-01-01

    Superior mesenteric artery (SMA) syndrome is a rare condition characterized by duodenal obstruction due to extrinsic compression by SMA. Any condition which results in rapid, significant weight loss can cause SMA syndrome. Brucellosis is a common cause of pyrexia of unknown origin which can result in loss of appetite and weight loss. Brucellosis resulting in SMA syndrome has not been described in literature. We present a case of SMA syndrome resulting from weight loss due to brucellosis along...

  5. The Superior-Subordinate Relationship and Work Climate in the Slovenian Tourism Industry

    OpenAIRE

    Marjan Tkalcic

    2012-01-01

    The purpose of this paper is to find out how managers, executives and operational workers evaluate the superior-subordinate relationship and what is the work climate and what infuence does the work climate exert on the quality of work in Slovenian tourism organizations. Based on our empiric quantitative research, conducted as a questionnaire-based survey, some characteristics of the sample organizations and respondents were explained using the descriptive method. For comparison, evaluation an...

  6. Avulsión de canino y subluxación del primer premolar superiores derechos

    OpenAIRE

    Berástegui, Esther

    1996-01-01

    Se presenta un caso clínico de avulsión de canino y subluxación del primer remolar, superiores derechos, secundario a traumatismo por piedra lanzada al aire. El tiempo extraoral fue de cuatro horas en medio seco. Se trató con reimplante, ferulización y tratamiento endodóncico. Los controles posteriores a los cuatro años del tratamiento mostraron la evolución favorable del caso.

  7. Specific marker of feigned memory impairment: The activation of left superior frontal gyrus.

    Science.gov (United States)

    Chen, Zi-Xiang; Xue, Li; Liang, Chun-Yu; Wang, Li-Li; Mei, Wei; Zhang, Qiang; Zhao, Hu

    2015-11-01

    Faking memory impairment means normal people complain lots of memory problems without organic damage in forensic assessments. Using alternative forced-choice paradigm, containing digital or autobiographical information, previous neuroimaging studies have indicated that faking memory impairment could cause the activation in the prefrontal and parietal regions, and might involve a fronto-parietal-subcortical circuit. However, it is still unclear whether different memory types have influence on faking or not. Since different memory types, such as long-term memory (LTM) and short-term memory (STM), were found supported by different brain areas, we hypothesized that feigned STM or LTM impairment had distinct neural activation mapping. Besides that, some common neural correlates may act as the general characteristic of feigned memory impairment. To verify this hypothesis, the functional magnetic resonance imaging (fMRI) combined with an alternative word forced-choice paradigm were used in this study. A total of 10 right-handed participants, in this study, had to perform both STW and LTM tasks respectively under answering correctly, answering randomly and feigned memory impairment conditions. Our results indicated that the activation of the left superior frontal gyrus and the left medial frontal gyrus was associated with feigned LTM impairment, whereas the left superior frontal gyrus, the left precuneus and the right anterior cingulate cortex (ACC) were highly activated while feigning STM impairment. Furthermore, an overlapping was found in the left superior frontal gyrus, and it suggested that the activity of the left superior frontal gyrus might be acting as a specific marker of feigned memory impairment. PMID:26479324

  8. Treatment of pacemaker-induced superior vena cava syndrome by balloon angioplasty and stenting.

    LENUS (Irish Health Repository)

    Klop, B

    2011-01-01

    Superior vena cava (SVC) syndrome is a rare but serious complication after pacemaker implantation. This report describes three cases of SVC syndrome treated with venoplasty and venous stenting, with an average follow-up of 30.7 (±3.1) months. These cases illustrate that the definitive diagnosis, and the extent and location of venous obstruction, can only be determined by venography.

  9. Bilateral adrenal cystic neuroblastoma with superior vena cava syndrome and massive intracystic haemorrhage

    International Nuclear Information System (INIS)

    Bilateral cystic adrenal tumours are a rare presentation of neuroblastoma. Intratumoural haemorrhage is a frequent finding in neuroblastoma, but is rarely symptomatic. We present an 11-month-old girl with predominantly cystic bilateral neuroblastomas and distant lymph-node metastasis. Massive intracystic haemorrhage and superior vena cava (SVC) syndrome were ominous prognostic factors, leading to death. Large tumours with intracystic haemorrhage might require a conservative approach. (orig.)

  10. Variable Origin of the Superior Laryngeal Artery and Its Clinical Significance

    OpenAIRE

    Soubhagya R. Nayak1*, Ashwin Krishnamurthy2, Latha V. Prabhu2, Bhagath Kumar Potu3, Ishwar B. Bagoji4, Jiji PJ2 and Ganesh Kumar Chettiar2

    2011-01-01

    The superior laryngeal artery (SLA) is the dominant arterial supply of the laryngeal muscles, mucosa and glands. The purpose of the present study was to document the variable origin of the SLA in the carotid triangle. Although the variation in the SLA origin and morphology is important during the partial laryngectomy and reconstruction surgery of the larynx, the description of the SLA in modern literature is vague. The anatomy of SLA was studied in 37 adult South Indian preserved cadavers age...

  11. Unconscious Cueing via the Superior Colliculi: Evidence from Searching for Onset and Color Targets

    OpenAIRE

    Ulrich Ansorge; Isabella Fuchs

    2012-01-01

    According to the bottom-up theory of attention, unconscious abrupt onsets are highly salient and capture attention via the Superior Colliculi (SC). Crucially, abrupt onsets increase the perceived contrast. In line with the SC hypothesis, unconscious abrupt-onset cues capture attention regardless of the cue color when participants search for abrupt-onset targets (Experiment 1). Also, stronger cueing effects occur for higher than lower contrast cues (Experiment 2) and for temporally, rather tha...

  12. Intrinsic circuitry in the deep layers of the cat superior colliculus.

    Science.gov (United States)

    Behan, M; Kime, N M

    1996-01-01

    The mammalian superior colliculus is involved in the transformation of sensory signals into orienting behaviors. Sensory and motor signals are integrated in the colliculus to produce movements of the eyes, head, and neck. While there is a considerable amount of information available on the afferent and efferent connections of the colliculus, almost nothing is known about its intrinsic circuitry, particularly that of its deepest layers. It is likely that intrinsic connections in these deeper layers of the colliculus participate in the sensory-motor transformations leading to orienting movements. In this study, we used the neuroanatomical tracer biocytin to label small groups of neurons in the deeper layers of the cat superior colliculus and examine the distribution of their axons and terminals. We found a broadly distributed network of intrinsic projections throughout the deep layers of the superior colliculus. While the majority of terminals were found in a 1-2 mm radius around the injection site, labeled terminals were found throughout the deep layers of the colliculus up to 5 mm from the injection site. In addition, these injections sometimes labeled terminals in the superficial tectum. Extensive projections were demonstrated by the more superficial injections, but few terminals were found when injections were confined to the deepest layers of the colliculus. There was no evidence of anisotropy in the distribution of terminals from injections made at different rostrocaudal or mediolateral locations; neurons located in any one region in the colliculus could potentially influence any other region. This network of intrinsic connections in the cat superior colliculus could provide a means for deeper-layer efferent neurons to associate, and to modulate or coordinate their output. Interneurons could also provide a substrate for mutual inhibition between neurons at the rostral pole of the colliculus that are active during fixation, and more caudally located neurons

  13. A case of superior segmental optic hypoplasia accompanied by a glaucomatous optic neuropathy

    OpenAIRE

    Ohguro, Hiroshi

    2008-01-01

    Ikuyo Ohguro, Hiroshi OhguroDepartment of Ophthalmology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, JapanAbstract: This is the first case report of a bilateral superior segmental optic hypoplasia (SSOH) accompanied by a glaucomatous optic neuropathy (GON). A 47-year-old man incidentally diagnosed as having bilateral SSOH, simultaneously disclosed glaucomatous optic disc appearances, including enlargements of the cup of the optic nerve heads and a thinning of the infero-...

  14. Graphene-graphene oxide-graphene hybrid nanopapers with superior mechanical, gas barrier and electrical properties

    OpenAIRE

    Xilian Ouyang; Wenyi Huang; Eusebio Cabrera; Jose Castro; James Lee, L.

    2015-01-01

    Hybrid nanopaper-like thin films with a graphene oxide (GO) layer sandwiched by two functionalized graphene (GP-SO3H) layers were successfully prepared from oxidized graphene and benzene sulfonic modified graphene. The hybrid graphene-graphene oxide-graphene (GP-GO-GP) nanopapers showed combination of high mechanic strength and good electrical conductivity, leading to desirable electromagnetic interference shielding performance, from the GP-SO3H layers, and superior gas diffusion barrier prov...

  15. Male mate choice in hermit crabs: prudence by inferior males and simple preference by superior males

    OpenAIRE

    Wada, Satoshi; Arashiro, Yuusei; Takeshita, Fumio; Shibata, Yasutoki

    2011-01-01

    In species with both male-male competition and male mate choice, inferior males may make different mate choice decisions from superior males. Males of the intertidal hermit crab, Pagurus middendorffii, are known to conduct precopulatory guarding and to adjust the threshold for guarding according to social parameters, such as encounter rate with females, competitor size, and sex ratio. Larger males are stronger in male--male competition during guarding in this species. We here tested whether m...

  16. Theoretical approach to the Institutional Evaluation in the Superior Medical Education.

    OpenAIRE

    Berto Delis Conde Fernández; Ramón Enrique Guardiola Brizuela; Aurora Novoa López

    2010-01-01

    The quality of superior education constitutes a challenge to face by the universities in century XXI, being based on the comparison of the educative reality with propouse desirable. The institutional evaluation like directive function with the mission emerges therefore from objective the reached quality. It hits in the work that the medical education makes to validate and to credit to the quality of its processes and results. With the objective to contribute to the update of the professors, s...

  17. Non-thrombotic superior sagittal sinus occlusion with intracranial hypertension following metastatic Burkitt′s lymphoma

    OpenAIRE

    Ankur Wadhera; Prasant Peter; M Joseph John; Rajesh Chakravarti

    2013-01-01

    Intracranial metastasis is a known complication of Burkitt′s lymphoma, however, superior sagittal sinus invasion by dural metastasis from Burkitt′s lymphoma is rare. We report a young adult, known case of Burkitt′s lymphoma, who presented with features of raised intracranial pressure secondary to dural sinus invasion from metastasis. Prompt radiotherapy to these lesions can bring about recanalization of the sinus with elevation of symptoms.

  18. Percutaneous treatment of a ruptured superior mesenteric artery aneurysm in a child

    Energy Technology Data Exchange (ETDEWEB)

    Oechsle, Susanne; Vollert, Kurt; Buecklein, Wolfgang; Michl, Wolfgang; Roemer, Frank W. [Klinikum Augsburg, Department of Radiology, Augsburg (Germany)

    2006-03-15

    Splanchnic artery aneurysms are very rare in children. We report a 10-year-old girl with a large atraumatic ruptured superior mesenteric artery aneurysm that was considered inoperable. She was ultimately treated with two percutaneous US-guided thrombin injections, which led to complete occlusion of the aneurysm. The aetiology of the aneurysm remained unclear, but a family history was suggestive of a congenital connective tissue disease such as Ehlers-Danlos syndrome subtype IV. (orig.)

  19. Lipoabdominoplasty: Revisiting the Superior Pull-Down Abdominal Flap and New Approaches

    OpenAIRE

    Uebel, Carlos Oscar

    2009-01-01

    Abdominoplasty is a very common procedure, especially for patients with abdominal laxness, striaes, and muscle rectus diastases. With the advent of liposuction 28 years ago, we can improve body contouring by treating lipodystrophies in the epigastric, flank, trochanteric, and buttocks areas. The procedure combining abdominoplasty and liposuction is called lipoabdominoplasty. Many new techniques have been proposed since these procedures were introduced; we now revisit the superior pull-down ab...

  20. The Frequency of Superior Oblique Palsy and Comparison of its Surgical Outcome with Other Vertical Strabismus

    OpenAIRE

    MR Besharai; Z Sheibani; M Gohari

    2014-01-01

    Introduction: Superior oblique palsy (SOP) is the most common cause of paralytic strabismus. Therefore, this study aimed to compare the frequency, etiology and outcome of surgical approaches in SOP with other vertical strabismus. Methods: This is a cross sectional study that was performed on 303 medical files of patients who referred to Yazd eye clinic from 1999-2012 with at least 6 months post operative follow up. The study instrument involved a questionnaire containing 11 questions that ...

  1. Differential contributions of the superior and inferior parietal cortex to feedback versus feedforward control of tools

    OpenAIRE

    Macuga, Kristen L.; Frey, Scott H.

    2014-01-01

    Damage to the superior and/or inferior parietal lobules (SPL, IPL) (Sirigu et al., 1996) or cerebellum (Grealy and Lee, 2011) can selectively disrupt motor imagery, motivating the hypothesis that these regions participate in predictive (i.e., feedforward) control. If so, then the SPL, IPL, and cerebellum should show greater activity as the demands on feedforward control increase from visually-guided execution (closed-loop) to execution without visual feedback (open-loop) to motor imagery. Usi...

  2. Superior olivary complex organization and cytoarchitecture may be correlated with function and catarrhine primate phylogeny

    OpenAIRE

    Hilbig, Heidegard; Beil, Boris; Hilbig, Henrik; Call, Josep; Bidmon, Hans-Jürgen

    2009-01-01

    In the mammalian auditory system, the medial nucleus of the trapezoid body and the lateral superior olive (MNTB-LSO system) contribute to binaural intensity processing and lateralization. Localization precision varies with the sound frequencies. As recency of common ancestry with human beings increases, primates have improved low-frequency sensitivity and reduced sensitivity to higher frequencies. The medial part of the MNTB is devoted to higher frequency processing. Thus, its high-frequency-...

  3. Feasibility-Seeking and Superiorization Algorithms Applied to Inverse Treatment Planning in Radiation Therapy

    OpenAIRE

    Davidi, R; Censor, Y.; Schulte, R. W.; Geneser, S.; Xing, L

    2014-01-01

    We apply the recently proposed superiorization methodology (SM) to the inverse planning problem in radiation therapy. The inverse planning problem is represented here as a constrained minimization problem of the total variation (TV) of the intensity vector over a large system of linear two-sided inequalities. The SM can be viewed conceptually as lying between feasibility-seeking for the constraints and full-fledged constrained minimization of the objective function subject to these constraint...

  4. Visual Receptive Field Properties of Neurons in the Superficial Superior Colliculus of the Mouse

    OpenAIRE

    Wang, Lupeng; Sarnaik, Rashmi; Rangarajan, Krsna; Liu, Xiaorong; Cang, Jianhua

    2010-01-01

    The mouse is a promising model in the study of visual system function and development because of available genetic tools. However, a quantitative analysis of visual receptive field properties had not been performed in the mouse superior colliculus (SC) despite its importance in mouse vision and its usefulness in developmental studies. We have made single-unit extracellular recordings from superficial layers of the SC in urethane-anesthetized C57/Bl6 mice. We first map receptive fields with fl...

  5. Freshly Crushed Garlic is a Superior Cardioprotective Agent than Processed Garlic

    OpenAIRE

    Mukherjee, Subhendu; Lekli, Istvan; Goswami, Shyamal; Das, Dipak K

    2009-01-01

    In this study, we compared the cardioprotective effects of freshly crushed garlic vis-à-vis that of processed garlic. Two groups of rats were gavaged with respective garlic preparations while the control group received vehicle only. After 30 days, all the rats were sacrificed and isolated hearts were subjected to 30 min ischemia followed by 2 h of reperfusion. Both the garlic preparations provided cardioprotection, but superior cardiac performance was noticed for those fed with freshly crushe...

  6. Species of Pratylenchus Associated with Solanum tuberosum cv Superior in Ohio

    OpenAIRE

    Brown, M.J.; Riedel, R. M.; Rowe, R C

    1980-01-01

    Seventy-three Ohio fields comprising ca. 440 ha of cv Superior potatoes were surveyed in 1977 for plant-parasitic nematodes. Of eight genera of plant-parasitic nematodes, Pratylenchus was found most frequently, occurring in 65% of the soil samples and 84% of the root samples. Populations of Pratylenchus were consistently higher than populations of the other nematode genera. The six species of Pratylenchus extracted from potato roots, in descending order of frequency, were P. crenatus, P. pene...

  7. Is a fully heparin-bonded cardiopulmonary bypass circuit superior to a standard cardiopulmonary bypass circuit?

    OpenAIRE

    Mahmood, Sarah; Bilal, Haris; Zaman, Mahvash; Tang, Augustine

    2012-01-01

    A best-evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was ‘Is a fully heparin bonded cardiopulmonary bypass circuit superior to a standard cardiopulmonary bypass circuit?’ Altogether more than 792 papers were found using the reported search, of which 13 represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of...

  8. Superior accuracy of model-based radiostereometric analysis for measurement of polyethylene wear

    OpenAIRE

    Stilling, M.; Kold, S.; De Raedt, S.; Andersen, N. T.; Rahbek, O.; Søballe, K.

    2012-01-01

    Objectives The accuracy and precision of two new methods of model-based radiostereometric analysis (RSA) were hypothesised to be superior to a plain radiograph method in the assessment of polyethylene (PE) wear. Methods A phantom device was constructed to simulate three-dimensional (3D) PE wear. Images were obtained consecutively for each simulated wear position for each modality. Three commercially available packages were evaluated: model-based RSA using laser-scanned cup models (MB-RSA), mo...

  9. Screening of Lignocellulose-Degrading Superior Mushroom Strains and Determination of Their CMCase and Laccase Activity

    OpenAIRE

    2014-01-01

    In order to screen lignocellulose-degrading superior mushroom strains ten strains of mushrooms (Lentinus edodes939, Pholiota nameko, Lentinus edodes868, Coprinus comatus, Macrolepiota procera, Auricularia auricula, Hericium erinaceus, Grifola frondosa, Pleurotus nebrodensis, and Shiraia bambusicola) were inoculated onto carboxymethylcellulose agar-Congo red plates to evaluate their ability to produce carbomethyl cellulase (CMCase). The results showed that the ratio of transparent circle to my...

  10. Biochemical and electrophysiological evidence of functional vasopressin receptors in the rat superior cervical ganglion.

    OpenAIRE

    Kiraly, M; Audigier, S; Tribollet, E; Barberis, C; Dolivo, M; Dreifuss, J J

    1986-01-01

    Binding of radioactive vasopressin--but not of oxytocin--was detected by autoradiography and by labeling of membranes obtained from the rat superior cervical ganglion. In both instances binding could be displaced by V1 (smooth muscle-type) but not by V2 (kidney-type) agonists, indicating that the ganglionic vasopressin receptors are similar to those present on hepatocytes and vascular smooth muscle. In accordance with the V1 character of the receptors, vasopressin activated the turnover of me...

  11. BOLD Temporal Dynamics of Rat Superior Colliculus and Lateral Geniculate Nucleus following Short Duration Visual Stimulation

    OpenAIRE

    Lau, Condon; Zhou, Iris Y.; Cheung, Matthew M.; Chan, Kevin C.; Wu, Ed X.

    2011-01-01

    Background: The superior colliculus (SC) and lateral geniculate nucleus (LGN) are important subcortical structures for vision. Much of our understanding of vision was obtained using invasive and small field of view (FOV) techniques. In this study, we use non-invasive, large FOV blood oxygenation level-dependent (BOLD) fMRI to measure the SC and LGN's response temporal dynamics following short duration (1 s) visual stimulation. Methodology/Principal Findings: Experiments are performed at 7 tes...

  12. El modelo norteamericano de educación superior de los Community Colleges

    OpenAIRE

    Varona Alabern, Mercedes

    2014-01-01

    El sistema norteamericano de educación superior es mundialmente conocido, liderado por ilustres universidades, como Harvard o Yale. No obstante, existe una extensa red de instituciones de menor duración, denominadas community colleges, que son las grandes desconocidas fuera de sus fronteras, pese a haber formado a millones de norteamericanos desde su creación en 1901. Son instituciones “made in the USA”, donde cualquier ciudadano puede acceder a los programas oficiales de ...

  13. The role of primate superior colliculus in the selection of visual objects for action

    OpenAIRE

    Nummela, Samuel Uno

    2010-01-01

    Accurate action requires selectively processing only the sensory signals that are relevant to that action. The superior colliculus (SC) is important for the generation of saccadic eye movements, and has more recently been implicated in the winner-take-all selection of visual targets for voluntary eye movements and covert attention. However, there have been no conclusive tests of how important SC activity is for selecting visual objects as the targets of eye movements, or other actions. This d...

  14. Superior reproductive success on human blood without sugar is not limited to highly anthropophilic mosquito species

    OpenAIRE

    Braks, M.A.H.; JULIANO, S. A.; LOUNIBOS, L. P.

    2006-01-01

    Anthropophilic mosquitoes such as Aedes aegypti L. (Diptera: Culicidae) have been shown to have superior reproductive success on human blood when sugar is not available. Life-table experiments were conducted with Aedes albopictus Skuse and Ae. aegypti to compare the effects of sugar availability on age-specific survivorship, lifetime and daily fecundity, and blood-feeding frequency when offered human blood daily. There were no significant interactions between the effects of sugar availability...

  15. Superior investment returns : the role of value-based investment / R.A. Janse van Rensburg.

    OpenAIRE

    Janse Van Rensburg, Roedolf Arnoldus

    2009-01-01

    The strong form of the efficient market hypothesis (EMH) puts forward that it is impossible to achieve better than market results. Yet there are very famous investors, particularly a famous value based investor named Warren Buffett that have achieved better than market returns. The primary objective of this study is to investigate the role of value based investment in generating better than market or superior investment returns. The study was conducted both as a literature study and an empiri...

  16. Early development of polyphonic sound encoding and the high voice superiority effect.

    Science.gov (United States)

    Marie, Céline; Trainor, Laurel J

    2014-05-01

    Previous research suggests that when two streams of pitched tones are presented simultaneously, adults process each stream in a separate memory trace, as reflected by mismatch negativity (MMN), a component of the event-related potential (ERP). Furthermore, a superior encoding of the higher tone or voice in polyphonic sounds has been found for 7-month-old infants and both musician and non-musician adults in terms of a larger amplitude MMN in response to pitch deviant stimuli in the higher than the lower voice. These results, in conjunction with modeling work, suggest that the high voice superiority effect might originate in characteristics of the peripheral auditory system. If this is the case, the high voice superiority effect should be present in infants younger than 7 months. In the present study we tested 3-month-old infants as there is no evidence at this age of perceptual narrowing or specialization of musical processing according to the pitch or rhythmic structure of music experienced in the infant׳s environment. We presented two simultaneous streams of tones (high and low) with 50% of trials modified by 1 semitone (up or down), either on the higher or the lower tone, leaving 50% standard trials. Results indicate that like the 7-month-olds, 3-month-old infants process each tone in a separate memory trace and show greater saliency for the higher tone. Although MMN was smaller and later in both voices for the group of sixteen 3-month-olds compared to the group of sixteen 7-month-olds, the size of the difference in MMN for the high compared to low voice was similar across ages. These results support the hypothesis of an innate peripheral origin of the high voice superiority effect. PMID:24613759

  17. Effect of between-category similarity on basic-level superiority in pigeons

    OpenAIRE

    Lazareva, Olga F.; Fabián A. Soto; Wasserman, Edward A.

    2010-01-01

    Children categorize stimuli at the basic level faster than at the superordinate level. We hypothesized that between-category similarity may affect this basic-level superiority effect. Dissimilar categories may be easy to distinguish at the basic level but be difficult to group at the superordinate level, whereas similar categories may be easy to group at the superordinate level but be difficult to distinguish at the basic level. Consequently, similar basic-level categories may produce a super...

  18. Superiority of Exporters and the Causality Between Exporting and Firm Characteristics in Vietnam

    OpenAIRE

    Nguyen Hiep; Hiroshi Ohta

    2009-01-01

    The study in this paper is on the causal relationship between export activities of firms and their characteristics in a transition country that is pursuing export-led growth strategies and experiencing a fast track of trade liberalization. For this purpose, we examine the superiority of exporters using a panel of firm-level data of manufacturing firms in Vietnam. We observe that exceptional performance of exporters, especially in TFP, does prevail in this country. Via testing self-selection h...

  19. Enhanced spontaneous functional connectivity of the superior temporal gyrus in early deafness

    OpenAIRE

    Hao Ding; Dong Ming; Baikun Wan; Qiang Li; Wen Qin; Chunshui Yu

    2016-01-01

    Early auditory deprivation may drive the auditory cortex into cross-modal processing of non-auditory sensory information. In a recent study, we had shown that early deaf subjects exhibited increased activation in the superior temporal gyrus (STG) bilaterally during visual spatial working memory; however, the changes in the organization of the STG related spontaneous functional network, and their cognitive relevance are still unknown. To clarify this issue, we applied resting state functional ...

  20. A Case of Pulmonary Varix Associated with Superior Pulmonary Vein Occlusion

    OpenAIRE

    Tajiri, Sakurako; Koizumi, Jun; Hara, Takuya; Kamono, Masahiro; Hayama, Naoki; Kobayashi, Ichiro; Kondo, Yusuke; Kondo, Tetsuri; Asano, Koichiro; Abe, Tadashi

    2012-01-01

    A pulmonary varix is a localized dilatation of a pulmonary vein, which is usually asymptomatic presented as a mass on a chest roentgenogram, and diagnosed with pulmonary angiography. We encountered a case of 55 year-old man, in whom incidentally identified was a dilated blood vessel that passed through the minor fissure and returned to the inferior pulmonary vein, which we diagnosed as pulmonary varix. This vascular anomaly was accompanied by the occluded superior pulmonary vein, highly sugge...

  1. La educación superior, un proyecto de nación

    OpenAIRE

    Duica, William

    2011-01-01

    En el debate sobre la educación superior se han presentado falsos dilemas y argumentos flojos. Ahora hay que decidir si la calidad académica depende de la competencia en el mercado o de que la academia puedaatreverse a pensar por sí misma. Está en juego la mayoría de edad de la sociedad colombiana: usufructo privado versus usufructo público del conocimiento.

  2. La Educación Sexual en la Enseñanza Médica Superior

    OpenAIRE

    Ignacio González Labrador; Emilia Miyar Pieiga

    2002-01-01

    Se realizan consideraciones generales sobre las características de la Educación Sexual en la docencia médica superior y la importancia de vincularla dentro del sistema curricular de los contenidos a impartir.General considerations are presented on the characteristics of sex education in higher medical education and the importance of linking it to the curricular system of the educational contents to be taught.

  3. Evaluation of Superiority of FEV1/VC Over FEV1/FVC for Classification of Pulmonary Disorders

    OpenAIRE

    Majid Mirsadraee; Elnaz Salarifar; Davood Attaran

    2015-01-01

    Introduction: Forced expiratory value in one score  (FEV1)/ Forced vital capacity (FVC) was used in classical literature for primary classifications of pulmonary disorders. American Thoracic Society/ European Respiratory Society guidelines recommended using FEV1/VC instead of FEV1/FVC.The aim of study was determination of the extent of superiority of FEV1/VC over the FEV1/FVC. Materials and Methods: Two hundred seven subjects whom suffered from different pulmonary disorders were evaluated by ...

  4. Superior temporal activation in response to dynamic audio-visual emotional cues

    OpenAIRE

    Robins, Diana L.; Hunyadi, Elinora; Schultz, Robert T.

    2008-01-01

    Perception of emotion is critical for successful social interaction, yet the neural mechanisms underlying the perception of dynamic, audiovisual emotional cues are poorly understood. Evidence from language and sensory paradigms suggests that the superior temporal sulcus and gyrus (STS/STG) play a key role in the integration of auditory and visual cues. Emotion perception research has focused on static facial cues; however, dynamic audiovisual (AV) cues mimic real-world social cues more accura...

  5. Minimally invasive surgery for superior mesenteric artery syndrome: A case report

    OpenAIRE

    Yao, Si-Yuan; Mikami, Ryuichi; Mikami, Sakae

    2015-01-01

    Superior mesenteric artery (SMA) syndrome is defined as a compression of the third portion of the duodenum by the abdominal aorta and the overlying SMA. SMA syndrome associated with anorexia nervosa has been recognized, mainly among young female patients. The excessive weight loss owing to the eating disorder sometimes results in a reduced aorto-mesenteric angle and causes duodenal obstruction. Conservative treatment, including psychiatric and nutritional management, is recommended as initial...

  6. Pancreatic Pseudoaneurysm of the Superior Mesenteric Artery Complicated with Obstructive Jaundice. A Case Report

    Directory of Open Access Journals (Sweden)

    Stoica Z

    2005-01-01

    Full Text Available CONTEXT: Pancreatic pseudoaneurysm rupture is a rare complication of chronic pancreatitis, with severe prognosis and high mortality. Angiography is usually required for confirmation of the diagnosis, but transabdominal ultrasound and CT angiography are useful noninvasive diagnostic methods. CASE REPORT: We present the case of a 66-year-old patient with a large pancreatic pseudoaneurysm of the superior mesenteric artery complicated with obstructive jaundice. Transabdominal ultrasound with color and power Doppler showed a large pancreatic head pseudoaneurysm that communicated directly to the superior mesenteric artery. Presence of a spinning blood flow inside the pseudoaneurysm was visualized by color Doppler, with evidence of bidirectional flow in the pseudoaneurysm neck that was showed by Doppler spectral analysis. The contrast-enhanced helical computer tomography with multiplanar sagittal and the 3D reconstruction of coronal images confirmed the communication of the pseudoaneurysm with the superior mesenteric artery. The patient was scheduled for selective angiography and embolization. However, clinical evolution was rapidly deteriorating, with collapse, hemorrhagic shock and massive hemorrhage. The patient was operated on and subsequently died despite three days of intensive care, due to disseminated intravascular coagulation and multiorgan failure. CONCLUSION: Non invasive imaging methods consisting of transabdominal ultrasound with color Doppler and contrast-enhanced computer tomography with sagittal reconstruction of coronal images were very useful in the establishment of the diagnosis of pancreatic pseudoaneurysm of the superior mesenteric artery complicated with cholestatic jaundice. However, these imaging methods do not obviate the need for diagnostic and therapeutic angiography, eventually followed by surgical intervention in cases of recurrent bleeding or hemodynamic unstable patients.

  7. A Novel Method for Intraoral Access to the Superior Head of the Human Lateral Pterygoid Muscle

    OpenAIRE

    Aleli Tôrres Oliveira; Anderson Aparecido Camilo; Paulo Roberto Valle Bahia; Antonio Carlos Pires Carvalho; Marcos Fabio DosSantos; Jorge Vicente Lopes da Silva; André Antonio Monteiro

    2014-01-01

    Background. The uncoordinated activity of the superior and inferior parts of the lateral pterygoid muscle (LPM) has been suggested to be one of the causes of temporomandibular joint (TMJ) disc displacement. A therapy for this muscle disorder is the injection of botulinum toxin (BTX), of the LPM. However, there is a potential risk of side effects with the injection guide methods currently available. In addition, they do not permit appropriate differentiation between the two bellies of the musc...

  8. 23-Gauge Sutureless Vitreo-Retinal Surgery for Superior Rhegmatogenous Retinal Detachment

    International Nuclear Information System (INIS)

    Objective: To determine the results of 23-gauge sutureless vitreo-retinal surgery for superior/supero-temporal rhegmatogenous retinal detachment (RRD). Study Design: Quasi experimental study. Place and Duration of Study: LRBT, Free Base Eye Hospital, Karachi, from January 2010 to December 2011. Methodology: Adult patients who underwent 23-gauge sutureless vitreo-retinal surgery along with use of Perfluoropropane (C3F8) gas as internal tamponading agent for fresh (upto 3 weeks) superior/supero-temporal RRD was reviewed. Major outcome measures were anatomical success, best corrected visual acuity (BCVA) with Log Mar and complications during and after surgery. Postoperative follow-up was done on 1st day and at 1st, 4th, 8th and finally at 12th week. Results: Sixty eyes of 60 patients, age between 30 - 60 years including 37 (61.67%) males and 23 (38.33%) females having superior or superatemporal RRD underwent 23-guage sutureless vitreo-retinal surgery with the use of perfluoropropane (C3 F8) gas as internal temponade at the end of procedure. Anatomical success rate was 81.66% (49 out of 60 eyes) with first surgery and raised to 90% (54 cases) with second surgery. Log Mar BCVA significantly improved from mean baseline 0.93 to 0.49 with mean difference of 0.43 (p < 0.001), 95% confidence interval. Postoperative complications were sub-conjunctival haemorrhage in 11 eyes (18.33%), wound leak in 7 eyes (11.66%), anterior chamber became shallow in 6 eyes (10%), cataract developed in 5 eyes (8.33%), re-retinal detachment in 4 eyes (6.66%), ocular hypotony and sterile inflammatory reaction in 3 eyes (5%) each, while iatrogenic breaks developed in 2 eyes (3.33%). Conclusion: The 23-gauge sutureless vitreo-retinal surgery for superior rhegmatogenous retinal detachment achieved high anatomical success and significant visual improvement. Sub-conjunctival haemorrhage was the most frequent procedural complication. (author)

  9. Decline of shortjaw cisco in Lake Superior: the role of overfishing and risk of extinction

    Science.gov (United States)

    Bronte, Charles R.; Hoff, Michael H.; Gorman, Owen T.; Thogmartin, Wayne E.; Schneeberger, Philip J.; Todd, Thomas N.

    2010-01-01

    Recent reviews have further documented the decline of the shortjaw cisco Coregonus zenithicus in Lake Superior. This fish was the most abundant deepwater cisco species in Lake Superior in the early 1920s but presently makes up less than 1% of all deepwater ciscoes (i.e., including shortjaw cisco, bloater C. hoyi, and kiyi C. kiyi) captured in biological surveys. Directed overfishing of deepwater cisco species during the 1930s and again during the mid-1960s and 1970s has been suggested as the cause of the shortjaw cisco's demise. In this paper, we re-examined the overfishing hypothesis by using historical and recent survey data to estimate the proportion of the historical commercial fishery landings that comprised shortjaw ciscoes. We developed time series of estimated harvest and relative abundance for all statistical districts in Michigan waters of Lake Superior during 1929–1996, for which aggregate catch and effort data were available but not previously examined. The spatial distribution of the fishery and the relationships of catch to fishing effort were examined for evidence of overfishing. Our analysis suggested that directed overfishing was probably not the cause of shortjaw cisco demise, as this species appeared to be declining in all statistical districts regardless of the intensity of the fishery. A count-based population viability analysis indicated that quasi-extinction of the shortjaw cisco is highly probable in the near future. We propose an alternative hypothesis based on the decline of Lake Superior's keystone predator, the lake trout Salvelinus namaycush, which resulted in an expansion of the population of its principal prey, the cisco C. artedi, due to release from predation pressure. Competitive or predation interactions between the cisco and shortjaw cisco may be more likely explanations for the demise of the latter species.

  10. Multivisceral Fibromuscular Dysplasia: An Unusual Case of Renal and Superior Mesenteric Involvement

    OpenAIRE

    KIMURA, Keiichi; Ohtake, Hiroshi; Kato, Hiroki; Yashiki, Noriyoshi; Tomita, Shigeyuki; Watanabe, Go

    2010-01-01

    Fibromuscular dysplasia (FMD), a disease process which leads to arterial stenosis and aneurysm formation, has been reported to occur in almost every arterial bed in the body. However, multivisceral FMD is rare, and we report a 43-year-old woman with hypertension who had incidental finding of FMD of both renal arteries and the superior mesenteric artery (SMA). The left renal aneurysms and right renal stenosis were successfully treated by aneurysm resection and aortorenal bypass and percutaneou...

  11. Lingual and fusiform gyri in visual processing: a clinico-pathologic study of superior altitudinal hemianopia.

    OpenAIRE

    Bogousslavsky, J.; Miklossy, J; Deruaz, J P; Assal, G; Regli, F

    1987-01-01

    A macular-sparing superior altitudinal hemianopia with no visuo-psychic disturbance, except impaired visual learning, was associated with bilateral ischaemic necrosis of the lingual gyrus and only partial involvement of the fusiform gyrus on the left side. It is suggested that bilateral destruction of the lingual gyrus alone is not sufficient to affect complex visual processing. The fusiform gyrus probably has a critical role in colour integration, visuo-spatial processing, facial recognition...

  12. Is sternotomy superior to thoracotomy for modified Blalock–Taussig shunt?

    OpenAIRE

    Talwar, Sachin; Kumar, Manikala Vinod; Muthukkumaran, Subramanian; Airan, Balram

    2013-01-01

    A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was: is sternotomy approach superior to a thoracotomy approach for a modified Blalock–Taussig shunt procedure? More than 58 papers were found using the search as described below, of which 11 papers represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of t...

  13. Management of type II superior labrum anterior posterior lesions: a review of the literature

    Directory of Open Access Journals (Sweden)

    Xinning Li

    2010-02-01

    Full Text Available Superior labrum anterior and posterior lesions were first described in 1985 by Andrews et al. and later classified into four types by Synder et al. The most prevalent is type II which is fraying of the superior glenoid labrum with detachment of the biceps anchor. Superior labrum anterior posterior (SLAP lesions can also be associated with other shoulder pathology. Both MRI and MRA can be utilized in making the diagnosis with the coronal images being the most sensitive. The mechanism of injury can be either repetitive stress or acute trauma with the superior labrum most vulnerable to injury during the late cocking phase of throwing. A combination of the modified dynamic labral shear and O’Brien test can be used clinically in making the diagnosis of SLAP lesion. However, the most sensitive and specific test used to diagnosis specifically a type II SLAP lesion is the Biceps Load Test II. The management of type II SLAP lesions is controversial and dependent on patient characteristics. In the young high demanding overhead athlete, repair of the type II lesion is recommended to prevent glenohumeral instability. In middle-aged patients (age 25-45, repair of the type II SLAP lesion with concomitant treatment of other shoulder pathology resulted in better functional outcomes and patient satisfaction. Furthermore, patients who had a distinct traumatic event resulting in the type II SLAP tear did better functionally than patients who did not have the traumatic event when the lesion was repaired. In the older patient population (age over 45 years, minimum intervention (debridement, biceps tenodesis/tenotomy to the type II SLAP lesion results in excellent patient satisfaction and outcomes.

  14. Acute Occlusion of the Superior Mesenteric Artery : Diagnosis and treatment

    OpenAIRE

    Block, Tomas

    2010-01-01

    Acute occlusion of the superior mesenteric artery (SMA) is a condition associated with high mortality and morbidity. The aim of this thesis is to evaluate diagnostic and therapeutic approaches for acute SMA occlusion. In a prospective study of patients with suspected intestinal ischemia, no biomarker was sufficiently accurate to detect this condition. In a second retrospective study, pancreatic amylase and troponin-I were elevated in a substantial proportion of patients with verified SMA occl...

  15. Empowering breeding programs with new approaches to overcome constraints for selecting superior quality traits of rice

    OpenAIRE

    Calingacion, M.N.

    2015-01-01

    Empowering breeding programs with new approaches to overcome constraints for selecting superior quality traits of rice Mariafe N. Calingacion Most rice breeding programs have focused on improving agronomic traits such as yield, while enhancing grain quality traits such as flavour and aroma, especially of non-fragrant rices, has not been given high priority. In this study, we utilised a multi-disciplinary approach to understand better quality traits of aroma and flavour in rice grains, and to ...

  16. Superior cerebellar aneurysm causing subarachnoid haemorrhage in a 17-year-old with alagille syndrome.

    LENUS (Irish Health Repository)

    O'Connell, David

    2012-04-01

    Alagille syndrome is a rare autosomal dominant condition characterised by mutation in Jagged1 gene. Intracranial aneurysms may be seen in this condition and may present as subarachnoid hemorrhage. We describe the first case of superior cerebellar aneurysm rupture causing WFNS grade 1 subarachnoid haemorrhage in a 17-year-old girl. The clinical condition and management of this rare occurrence is discussed with a review of literature.

  17. Clinically occult chronic dissecting aneurysm of the superior cerebellar artery in a child

    International Nuclear Information System (INIS)

    An isolated chronic dissecting aneurysm of the left superior cerebellar artery was discovered incidentally in a 12-year-old girl. There was no history of any previous trauma or witnessed abnormal neurological incident at any stage during her life. She was and has since remained asymptomatic and the aneurysm has remained radiologically stable for over 3 years. A conservative approach to the management of such incidental asymptomatic lesions is thus suggested. (orig.)

  18. Percutaneous treatment of a ruptured superior mesenteric artery aneurysm in a child

    International Nuclear Information System (INIS)

    Splanchnic artery aneurysms are very rare in children. We report a 10-year-old girl with a large atraumatic ruptured superior mesenteric artery aneurysm that was considered inoperable. She was ultimately treated with two percutaneous US-guided thrombin injections, which led to complete occlusion of the aneurysm. The aetiology of the aneurysm remained unclear, but a family history was suggestive of a congenital connective tissue disease such as Ehlers-Danlos syndrome subtype IV. (orig.)

  19. Stomatitis sub-prosthesis in patients with superior dental prosthesis Estomatitis subprótesis en pacientes portadores de prótesis dental superior

    Directory of Open Access Journals (Sweden)

    Ana Gloria Vázquez de León

    2009-04-01

    Full Text Available

    Background: The stomatitis sub-prosthesis is one of the most frequent changes in hard palate mucous membrane in patients with mucous-supported dental prosthesis. It can be caused by multiple factors, which makes its study and prognosis more difficult. Objective: To describe the occurrence of stomatitis sub-prosthesis and its causes in patients with superior dental prosthesis. Method: Descriptive study including all the patients with superior dental prosthesis examined in the odontology consultation “Barrio Adentro” in the state of Miranda, Venezuela, from November, 2005 to March, 2006. The analysed variables were: age, sex, stomatitis level, teeth brushing frequency, prosthesis condition and use, palate mucous condition and frequency of odontology consultations. Results: 89 patients were attended, more 50% of them had superior dental prosthesis and presented stomatitis sub-prosthesis; the group between 35 and 59 years was the most affected, mainly females. Sub-prosthesis stomatitis type II was the most common and the main causes included constant use of the prosthesis and loose prosthesis. Buccal hygiene was not adequate in these patients. Most of them declared never attending to the dentist, or just when presenting some particular problem. Conclusion: Stomatitis prevalence was

  20. Mortalidade por doenças do aparelho circulatório no município de Ribeirão Preto - SP, de 1980 a 2004 Mortalidad por enfermedades del aparato circulatorio en el municipio de Ribeirão Preto-SP, del 1980 a 2004 Mortality rates due to diseases of the circulatory system (DCS in Ribeirão Preto - SP, from 1980 to 2004

    Directory of Open Access Journals (Sweden)

    Suzana Alves de Moraes

    2009-12-01

    Full Text Available FUNDAMENTO: No âmbito da transição epidemiológica, estudos de tendência secular podem subsidiar a formulação de hipóteses para o gerenciamento em Saúde. OBJETIVO: Identificar o padrão de mortalidade por doenças do aparelho circulatório (DAC no município de Ribeirão Preto, SP, no período de 1980 a 2004. MÉTODOS: Os óbitos por DAC foram obtidos do Sistema de Informações sobre Mortalidade (SIM. As estimativas populacionais para o município, segundo sexo, faixa etária e anos-calendário, foram obtidas do Instituto Brasileiro de Geografia e Estatística (IBGE. Os coeficientes específicos de mortalidade foram calculados, anualmente, segundo sexo e faixa etária classificada em intervalos de 10 anos, a partir dos 30 anos de idade. O estudo de tendência foi realizado por meio da construção de modelos de regressão polinomial para séries históricas, adotando-se nível de significância FUNDAMENTO: En el ámbito de la transición epidemiológica, estudios de tendencia secular pueden proveer argumentos a la formulación de hipótesis para el gerenciamiento en la Salud. OBJETIVO: Identificar el estándar de mortalidad por enfermedades del aparato circultorio (EAC en el municipio de Ribeirão Preto, SP, en el periodo del 1980 a 2004. MÉTODOS: Se obtuvieron los óbitos EAC en el Sistema de Informaciones sobre Mortalidad (SIM. Se obtuvieron las estimaciones poblacionales para el municipio, según el sexo, el grupo de edad y los años calendarios en el Instituto Brasileiro de Geografia e Estatística (IBGE. Se calcularon anulamente los coeficientes específicos de mortalidad según el sexo y el grupo de edad, clasificados en intervalos de 10 años, a partir de los 30 años de edad. Se realizó un estudio de tendencia a través de la construcción de modelos de regresión polinomial para series históricas, adoptándose el nivel de significancia INTRODUCTION: In terms of epidemiologic transition, century-long trend studies may act as