Traditionally, it is considered that gastric acid delays ulcer healing, and acid suppression can reduce the risk of post-banding ulcer bleeding and promote mucosal healing at the ulcer site. A systematic review and meta-analysis performed by our team demonstrated that acid suppression significantly reduced the incidence of gastrointestinal bleeding (GIB) following prophylactic endoscopic variceal ligation (EVL), but had no significant effect on the incidence of mortality, adverse events, or length of stay. Similarly, another systematic review and meta-analysis performed by Lin et al. indicated that proton pump inhibitor (PPI) significantly reduced the incidence of GIB after therapeutic or prophylactic endoscopic variceal treatment (EVT), and the efficacy of PPI in reducing post-EVT GIB is related to the duration of PPI. However, previous studies have indicated that long-term use of PPI may increase the risk of bacterial infections and hepatic encephalopathy in patients with cirrhosis. Therefore, current guidelines suggest that PPI should be discontinued after EVT, unless the patient has a clear indication for PPI. However, the quality of evidence is poor due to the small sample sizes, predominantly retrospective designs, and inconsistencies in follow-up duration of previous studies. In current clinical practice, most physicians still prefer to use PPI routinely after EVT to prevent post-EVT GIB. Given the ongoing controversy regarding the routine use of PPI after EVT, we plan to conduct a multicenter randomized controlled trial to to explore the effect of PPI after prophylactic EVT on the incidence of short-term GIB, adverse events, and mortality in patients with cirrhosis and esophagogastric varices (EGV).
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Proportion of 6-week GIB
Timeframe: 6 weeks