956 resultados para Operative procedures


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Objective and design: The effects of anesthetics on cytokine release in patients without comorbidities who undergo minor surgery are not well defined. We compared inflammatory cytokine profiles in adult patients undergoing minimally invasive surgery who received isoflurane or propofol anesthesia. Methods: Thirty-four patients without comorbidities undergoing minor surgery were randomly assigned to receive an inhaled anesthetic (isoflurane; n = 16) or an intravenous anesthetic (propofol; n = 18). Blood samples were drawn before premedication and anesthesia (T1), 120 min after anesthesia induction (T2), and on the first post-operative day (T3). Plasma concentrations of interleukins (IL-) 1β, 6, 8, 10 and 12 and tumor necrosis factor (TNF)-α were measured using flow cytometry. Results: The pro-inflammatory cytokine IL-6 was increased in the isoflurane group at T2 and T3 compared to T1 (P < 0.01). In the propofol group, IL-6 and IL-8 were significantly increased at T3 compared to T1. However, there were no significant differences in cytokine concentrations between the isoflurane and propofol groups. Conclusion: An inflammatory response occurred earlier in patients who received an inhaled agent compared with an intravenous anesthetic, but no differences in plasma cytokine profiles were evident between isoflurane and propofol anesthesia in patients without comorbidities undergoing minimally invasive surgeries. © 2013 Springer Basel.

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The objective of this study was to evaluate the association between the physicochemical properties and sensory acceptance of Brazilian red wines by applying chemometric techniques. Therefore, three winemaking processes were carried out: a traditional winemaking process and two novel winemaking processes, pre-drying and static pomace. Significant differences could be identified amongst the physicochemical properties of the wines (P<0.001). The sensory results showed greater acceptance of the wines made after pre-drying of the grapes or from the static pomace, as compared to commercial brands. Cluster analysis and Multidimensional Scaling were successfully applied and their results demonstrated the influence of the total phenolic content and color indexes on acceptance of the appearance of the wines. The odor was associated with the alcohol content, acidity, dry extract, total and reducing sugars and the body of the wines. The flavor was associated with several physicochemical properties which influenced the overall acceptance of the samples. © 2013 Elsevier Ltd.

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Inclut la bibliographie

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Includes bibliography

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Pós-graduação em Ciências Odontológicas - FOAR

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Presenta la organizacion y el resumen de los debates de la reunion que trato sobre facilitacion, simplificacion, racionalizacion y armonizacion de los procedimientos del comercio internacional en el Caribe. Incluye las recomendaciones de la Octava Sesion del CDCC sobre el tema.

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Contiene los analisis de los expertos en problemas de facilitacion del comercio en lo que se refiere a simplificacion de los procedimientos comerciales a nivel nacional, su armonizacion y uniformacion a nivel regional y sub-regional; la situacion actual dentro de los mecanismos de integracion; las necesidades del fortalecimiento institucional; y la consideracion de posibles acciones de seguimiento.

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Revisa la situacion pasada, presente y futura de las actividades de comercio en el Caribe, los problemas y actividades programadas por el CDCC para: a) promover el comercio intrarregional facilitando el flujo de mercancias en el Caribe y b) fomentar la racionalizacion y posible armonizacion de los procedimientos o tramites de comercio. Incluye en anexos, la agenda del Seminario sobre Tramites de Exportacion e Importacion; esbozo de una Guia sobre Procedimientos de Comercio Internacional; y documento borrador sobre facilitacion del comercio y del transporte.

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Analiza sistematicamente las alternativas existentes para mejorar la gestion de las instituciones vinculadas a los recursos hidricos en America Latina y el Caribe. Incluye la presentacion somera de un metodo secuencial para la evaluacion de los variados procesos de gestion de recursos hidricos, asi como cuadros y anexos con listas reales de problemas y demandas planteados por usuarios y autoridades de aguas.