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THE EFFECTS OF HYPOVOLEMIA ON MULTIPLE ORGAN INJURY FOLLOWING INTESTINAL REPERFUSION.

Turnage, Richard H.; Guice, Karen S.; Oldham, Keith T.

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Abstract

This study examines the relationship between hypovolemia and remote organ injury following intestinal reperfusion. Sprague-Dawley rats underwent intestinal ischemia (120 min) and reperfusion (90 min, IIR) or sham operation (CTL). The animals received normal saline (NS) at 0, 30, or 40 ml/kg/h intravenously. Lung and intestinal injury was quantitated using an edema index, and liver injury was assessed by measuring bile flow rates. The infusion of 40 ml/kg/h of NS attenuated the intestinal edema index of IIR animals nearly 50% (p <.05). Despite this improvement, this parameter remained nearly 10-fold greater than that of CTL (p <.05). The lung edema index was 70% greater in IIR animals receiving 30 and 40 ml/kg/h of NS than those not receiving NS. The infusion of 40 ml/kg/h of NS restored bile flow rates in IIR animals to that of CTL. These data suggest that hypovolemia may contribute to the intestinal and hepatic injury in this model. The lung injury is independent of hypovolemia.

(C)1994The Shock Society

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