Objective To observe the intestinal mucosal injury and the change of TNF-αcontent in rabbits with hemorrhagic shock/reperfusion(HS-R)and the effects of ganoderma Lcidum polysaccharide(GLP)on them.Methods 30rabbits we...Objective To observe the intestinal mucosal injury and the change of TNF-αcontent in rabbits with hemorrhagic shock/reperfusion(HS-R)and the effects of ganoderma Lcidum polysaccharide(GLP)on them.Methods 30rabbits were made into hemorrhagic shock,then reperfused with different liquids.These rabbits were divided by random number table into three groups:sham operation group(Sham group),reperfusion with normal saline group(NS group),reperfusion with 1%GLP group(LS group).Bacterial translocation of blood and TNF-αcontent in serum were respectively observed at the time before shock,40 min after shock,40 min and 90 min after.TNF-αcontent in intestinal mucosa and the degree of intestinal mucosal injury were examined at 90 min post-resuscitation.Results 1 With the extension of reperfusion time,the positive rate of blood bacteria increased gradually in NS group,which was significantly higher than that of Sham group and LS group(P<0.05),meanwhile the degree of intestinal mucosal injury in NS group was more severe than that of Sham group and LS group too(P<0.05).2TNF-αcontent in serum of NS group and LS group were increased obviously compared with that before shock and in Sham group(P<0.05).TNF-αcontent in serum was further increased after reperfusion with NS,which was distinctly higher than that in LS group.TNF-αcontent in intestinal mucosa of NS group was significantly higher than that in LS group and Sham group too(P<0.05).Conclusion GLP can protect intestinal mucosa against HS-R injury,and its effects may relate with the change of TNF-αin hemorrhagic shock rabbits.展开更多
基金Natural Science Research Project of Henan Province Education Department(NO.2006310021)
文摘Objective To observe the intestinal mucosal injury and the change of TNF-αcontent in rabbits with hemorrhagic shock/reperfusion(HS-R)and the effects of ganoderma Lcidum polysaccharide(GLP)on them.Methods 30rabbits were made into hemorrhagic shock,then reperfused with different liquids.These rabbits were divided by random number table into three groups:sham operation group(Sham group),reperfusion with normal saline group(NS group),reperfusion with 1%GLP group(LS group).Bacterial translocation of blood and TNF-αcontent in serum were respectively observed at the time before shock,40 min after shock,40 min and 90 min after.TNF-αcontent in intestinal mucosa and the degree of intestinal mucosal injury were examined at 90 min post-resuscitation.Results 1 With the extension of reperfusion time,the positive rate of blood bacteria increased gradually in NS group,which was significantly higher than that of Sham group and LS group(P<0.05),meanwhile the degree of intestinal mucosal injury in NS group was more severe than that of Sham group and LS group too(P<0.05).2TNF-αcontent in serum of NS group and LS group were increased obviously compared with that before shock and in Sham group(P<0.05).TNF-αcontent in serum was further increased after reperfusion with NS,which was distinctly higher than that in LS group.TNF-αcontent in intestinal mucosa of NS group was significantly higher than that in LS group and Sham group too(P<0.05).Conclusion GLP can protect intestinal mucosa against HS-R injury,and its effects may relate with the change of TNF-αin hemorrhagic shock rabbits.