Endoscopic band ligation versus pharmacological therapy for variceal bleeding in cirrhosis: a meta-analysis |
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Authors: | Li Lan Yu Chaohui Li Youming |
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Institution: | Department of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People’s Republic of China |
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Abstract: | OBJECTIVE:To conduct a meta-analysis of published, full-length, randomized controlled trials evaluating the efficacy of endoscopic band ligation (EBL) versus pharmacological therapy for the primary and secondary prophylaxis of variceal hemorrhage in patients with cirrhosis.METHODS:Literature searches were conducted using the PubMed, EMBASE and Cochrane Library databases. Eighteen randomized clinical trials that fulfilled the inclusion criteria were further pooled into a meta-analysis.RESULTS:Among 1023 patients in 12 trials comparing EBL with beta-blockers for primary prevention, there was no significant difference in gastrointestinal bleeding (RR 0.79 95% CI 0.61 to 1.02]), all-cause deaths (RR 1.06 95% CI 0.86 to 1.30]) or bleeding-related deaths (RR 0.66 95% CI 0.38 to 1.16]). There was a reduced trend toward significance in variceal bleeding with EBL compared with beta-blockers (RR 0.72 95% CI 0.54 to 0.96]). However, variceal bleeding was not significantly different between the two groups in high-quality trials (RR 0.84 95% CI 0.60 to 1.17]). Among 687 patients from six trials comparing EBL with beta-blockers plus isosorbide mononitrate for secondary prevention, there was no effect on either gastrointestinal bleeding (RR 0.95 95% CI 0.65 to 1.40]) or variceal bleeding (RR 0.89 95% CI 0.53 to 1.49]). The risk for all-cause deaths in the EBL group was significantly higher than in the medical group (RR 1.25 95% CI 1.01 to 1.55]); however, the rate of bleeding-related deaths was unaffected (RR 1.16 95% CI 0.68 to 1.97]).CONCLUSIONS:Both EBL and beta-blockers may be considered first-line treatments to prevent first variceal bleeding, whereas beta-blockers plus isosorbide mononitrate may be the best choice for the prevention of rebleeding. |
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Keywords: | Drug therapy Endoscopic band ligation Esophageal varices Meta-analysis |
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