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English Abstract
Journal Article
Research Support, Non-U.S. Gov't
[Enteral administration of carbachol on systemic inflammatory response and multiple organ dysfunction induced by partial ischemia/reperfusion injury to the gut].
Zhongguo Wei Zhong Bing Ji Jiu Yi Xue = Chinese Critical Care Medicine = Zhongguo Weizhongbing Jijiuyixue 2005 January
OBJECTIVE: To study the effects of enteral administration of carbachol on organ dysfunction induced by partial ischemia/reperfusion injury to the intestine.
METHODS: Seventy-five white rabbits were randomized into four groups: ischemia/reperfusion (I/R), carbachol+ I/R and sham operation. The superior mesenteric artery (SMA) was partially blocked with self-designed blocker, producing 50% decrease in SMA blood flow, lasting for 4 hours. One hour after SMA occlusion, carbachol was injected into gut in carbachol+I/R group. Sham group was treated as same as I/R group except without SMA occlusion. The levels of alanine aminotransferase (ALT), creatinine (Cr), MB isoenzyme of creatine kinase (CK-MB) and tumor-necrosis factor-alpha (TNF-alpha) were measured by automatic analyzer and with radio-immunology method before SMA occlusion, and at 2, 4, 6, 8, 24, 48 and 72 hours after occlusion. The pathological changes of the intestinal tissue were observed with hematoxylin and eosin stained sections.
RESULTS: In I/R groups, the levels of TNF-alpha, Cr, ALT, CK-MB in plasma were increased dramatically after partial ischemia/reperfusion injury to the gut. Severe pathological changes were observed in the hearts, livers, and kidneys. While in carbachol treatment groups, the levels of TNF-alpha, Cr, ALT, CK-MB in plasma were decreased dramatically after enteral administration of carbachol during ischemia stage. The pathological injuries were alleviated in the heart, liver, and kidney.
CONCLUSION: Enteral administration of carbachol may alleviate after the systemic inflammatory response and pathological changes in various organs, thus provide a protective effect on gut and remote organs partial ischemia/reperfusion of the intestine.
METHODS: Seventy-five white rabbits were randomized into four groups: ischemia/reperfusion (I/R), carbachol+ I/R and sham operation. The superior mesenteric artery (SMA) was partially blocked with self-designed blocker, producing 50% decrease in SMA blood flow, lasting for 4 hours. One hour after SMA occlusion, carbachol was injected into gut in carbachol+I/R group. Sham group was treated as same as I/R group except without SMA occlusion. The levels of alanine aminotransferase (ALT), creatinine (Cr), MB isoenzyme of creatine kinase (CK-MB) and tumor-necrosis factor-alpha (TNF-alpha) were measured by automatic analyzer and with radio-immunology method before SMA occlusion, and at 2, 4, 6, 8, 24, 48 and 72 hours after occlusion. The pathological changes of the intestinal tissue were observed with hematoxylin and eosin stained sections.
RESULTS: In I/R groups, the levels of TNF-alpha, Cr, ALT, CK-MB in plasma were increased dramatically after partial ischemia/reperfusion injury to the gut. Severe pathological changes were observed in the hearts, livers, and kidneys. While in carbachol treatment groups, the levels of TNF-alpha, Cr, ALT, CK-MB in plasma were decreased dramatically after enteral administration of carbachol during ischemia stage. The pathological injuries were alleviated in the heart, liver, and kidney.
CONCLUSION: Enteral administration of carbachol may alleviate after the systemic inflammatory response and pathological changes in various organs, thus provide a protective effect on gut and remote organs partial ischemia/reperfusion of the intestine.
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