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2005, Número 1

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Cir Plast 2005; 15 (1)


La microcirculación en la cirugía de colgajos

Gutiérrez SE

Idioma: Español
Referencias bibliográficas: 43
Paginas: 27-33
Archivo PDF: 71.63 Kb.


RESUMEN

La microcirculación es un concepto de gran trascendencia. En la cirugía plástica los problemas y soluciones dependen en gran medida del conocimiento de la microcirculación, misma que se compone de una fina red vascular interconectada y regulada por diversos mecanismos. La presión sanguínea disminuye progresivamente conforme viaja la sangre del corazón a los capilares. Al levantarse un colgajo se le somete a isquemia de diversa magnitud, así, se reordena la microcirculación con el fin de mejorar su perfusión. Sin embargo, esta isquemia puede llevar a la necrosis del colgajo si la circulación no se recupera o es insuficiente. El movimiento de líquido a través de los capilares está controlado por el balance de fuerzas hidrostáticas y osmóticas en la membrana capilar. Existen diversas maneras de monitorear un colgajo, desde clínicas sencillas hasta las más sofisticadas pruebas.


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