Role of pentoxifylline and iloprost in the prevention of ischemia-reperfusion injury in an experimental model of intestine ischemia-reperfusion in rats
Inan, Zeynep Deniz Sahin
Genc, Husnu Cagri
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BACKGROUND: Intestinal ischemia-reperfusion (I/R) injury can lead to multiple organ failure and death. The aim of this study was to investigate the effects of pentoxifylline and iloprost administered before reperfusion in intestinal ischemia. METHODS: In total, 25 male Wistar Albino rats weighing 250-300 g were divided into five groups each comprising five subjects: control group (n=5), sham group (n=5, no I/R), I/R group (n=5, 45 min ischemia, and 120 min reperfusion), I/R + pentoxifylline group (n=5, 45 min ischemia following intraperitoneal 50 mg/kg pentoxifylline and 120 min reperfusion), and I/R + iloprast group (n=5, 45 min ischemia followed by intraperitoneal 2 mcg/kg iloprost and 120 min reperfusion). At the end of the experiment, ileum specimens were stained using hematoxylin-eosin and histopathologically evaluated using the Chiu score. Isometric contraction-relaxation responses were recorded using organ baths for contraction-relaxation responses. RESULTS: Pentoxifylline provided a significant improvement in response to histopathological and contraction-relaxation responses. Although iloprost provided recovery in reperfusion injury, it was not statistically significant. CONCLUSION: Our findings demonstrate that pentoxifylline may be promising in preventing small bowel ischemia-reperfusion injury. We concluded that further clinical and experimental studies for iloprost are needed.