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handle: 10261/114056
[ES] La lesión por isquemia-reperfusión se produce al privar de flujo sanguíneo (isquemia) a un órgano y luego restablecerlo (reperfusión). En determinadas circunstancias, esta lesión conlleva el daño irreversible del órgano. Se han utilizado diversas estrategias terapéuticas para reducir la gravedad de esta lesión, entre las que destaca la aplicación de episodios de isquemia-reperfusión breves y repetitivos antes de una isquemia-reperfusión prolongada (preacondicionamiento isquémico). En este trabajo se repasa los mecanismos moleculares por los que el preacondicionamiento isquémico confiere protección contra la lesión por isquemia-reperfusión y su aplicación en el ámbito de la cirugía hepática, tanto en situaciones de normotermia durante las resecciones hepáticas como a baja temperatura en el contexto del trasplante hepático
[EN] Ischemia-reperfusion injury is produced when an organ is deprived of blood flow (ischemia), which is then restored (reperfusion). In certain circumstances, this injury leads to irreversible organ damage. Several therapeutic strategies have been used to reduce the severity of this injury. One of these strategies is the application of brief and repetitive episodes of ischemia-reperfusion before prolonged ischemia-reperfusion (ischemic preconditioning). In the present article we review the molecular mechanisms through which ischemic preconditioning confers protection against ischemia-reperfusion injury. The application of ischemic preconditioning during liver surgery is discussed, both in normothermic situations such as liver resection and in situations of low temperature such as liver transplantation.
Este trabajo está financiado por las ayudas 03/02 (Redes temáticas de Investigación Cooperativa de Centros), 03/1174 y 04/1794 (Fondo de Investigaciones Sanitarias)
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