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Remote ischemic preconditioning of the hind limb reduces experimental liver warm ischaemia - reperfusion injury.

Kanoria, S; Jalan, R; Davies, NA; Seifalian, AM; Williams, R; Davidson, BR; (2006) Remote ischemic preconditioning of the hind limb reduces experimental liver warm ischaemia - reperfusion injury. British Journal of Surgery , 93 (6) 762 - 768.

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Abstract

Background: Direct ischaemic preconditioning of the liver reduces ischaemia-reperfusion injury (IRI). Remote ischaemic preconditioning (RIPC) of a limb has been shown to reduce IRI to the heart. This study determined the effect of brief remote ischaemia to the limb in reducing early liver warm IRI. Methods: Twenty-eight male rabbits were allocated to four groups: sham operated, RIPC alone, IRI alone, and RIPC plus IRI. RIPC was induced in the leg with a tourniquet, before liver IRI, by three alternate cycles of 10 min ischaemia followed by 10 min reperfusion. Liver IRI was produced by total inflow occlusion for 25 min. Markers of liver injury and systemic and hepatic haemodynamics were measured for 2 h after reperfusion. Results: At 2 h, IRI alone was associated with increased serum levels of aminotransferases, and reduced mean arterial blood pressure, hepatic blood flow and peripheral oxygen saturation. There was significant improvement in these variables in animals that had RIPC before liver IRI, and hepatic venous nitrate/nitrite levels were also significantly higher. Conclusion: In this experimental model RIPC appeared to reduce liver IRI.

Type:Article
Title:Remote ischemic preconditioning of the hind limb reduces experimental liver warm ischaemia - reperfusion injury.
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Surgery and Interventional Science (Division of) > Research Department of General Surgery

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