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Effects of eradication of Helicobacter pylori on upper gastrointestinal rebleeding rate in patients with long-term aspirin and clopidogrel combination therapy
Author(s): 
Pages: 89-91
Year: Issue:  2
Journal: Chinese Journal of Digestion

Keyword:  Helicobacter pyloriAspirinTiclopidineGastrointestinal hemorrhage;
Abstract: Objective To investigate the significance of H.pylori infection on upper gastrointestinal rebleeding in patients with long-term (≥ three months) aspirin and clopidogrel combination therapy.Methods From September 2007 to September 2011,at Yijishan Hospital of Wannan Medical College 78 patients with upper gastrointestinal bleeding and receiving long-term (≥ three months) aspirin and clopidogrel combined therapy were selected and treated with esomeprazole.The results of rapid urease test and gastric mucosal biopsy Giemsa staining of selected patients indicated 55 patients were H.pylori positive (positive group) and the other 23 cases were in negative group.The patients of positive group were randomly divided into intervention group (28 cases) and control group (22 cases) by the random allocation table method.The patients of intervention group received H.pylori eradiation treatment and the situation of H.pylori eradication was checked by 14C breath test.After treatment all patients were followed up for six months and clinical symptoms and the situation of rebleeding were observed.Categorical variables were expressed as percentage,intentional analysis and in accordance with protocol analysis were performed separately and analyzed by chi-square test.Results One patient in negative group with gastric cancer withdraw from the study.Two patients in intervention group lost.And one patient in control group lost.H.pylori of intervention group was all eradiated.In accordance with protocol analysis,the rebleeding rates of intervention group and control group were 7.69% (2/26) and 34.62% (9/26),respectively,and the difference was statistically significant (x2 =5.650,P=0.017).There was no significant difference between negative group (18.18%,4/22) and intervention group and no significant difference between negative group and control group (both P > 0.05).In intentional analysis,the rebleeding rates of intervention group and control group were 7.14% (2/28) and 33.33% (9/27),respectively,and the difference was statistically significant (x2 =5.893,P =0.015).There was no significant difference between negative group (17.39 %,4/23) and intervention group and no significant difference between negative group and control group (both P > 0.05).Conclusion Eradication of H.pylori can reduce the rate of upper gastrointestinal rebleeding in patients with long-term aspirin and clopidogrel combination therapy.
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