PMID: 8967383Apr 1, 1996Paper

Sequential ischemia/reperfusion results in contralateral skeletal muscle salvage

The American Journal of Physiology
S LiauwP M Walker

Abstract

Sequential ischemia/reperfusion in a paired canine gracilis muscle model resulted in significant muscle salvage. In this model, one randomly chosen gracilis muscle was subjected to 5 h of ischemia followed by 48 h of in vivo reperfusion. The contralateral (second) muscle was then made ischemic and reperfused using the same protocol. Muscle necrosis was determined at the end of 48 h of reperfusion. A mean 60% reduction in muscle necrosis was observed in the second group of muscles. Analysis of tissue adenine nucleotides indicated that significant sparing of ATP utilization occurred in the second muscle group during ischemia. Preliminary analysis of tissue heat shock proteins (HSP) showed that the second group of muscles had a different pattern of HSP expression before the onset of ischemia. The results suggest that reduced ATP utilization and altered HSP expression in the second muscle play a role in the tissue salvage observed in this sequential muscle ischemia model.

Citations

Jun 14, 2002·American Journal of Physiology. Heart and Circulatory Physiology·Eric W DicksonKarin Przyklenk
Jun 7, 2003·American Journal of Physiology. Heart and Circulatory Physiology·Patrick D AddisonCho Y Pang

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