Background And Aims: To improve Helicobacter pylori (H. pylori) eradication rate, enhanced patient instructions (EPI) such as telephone-based re-education, short-message service, and Wechat have been proposed with conflicting results. The aim of this meta-analysis was to evaluate the effect of EPI on H. pylori eradication.
Methods: The PROSPERO registered number of this study is CRD42021278536. PubMed, Embase, and CENTRAL database were searched to identify relevant randomized controlled trials (RCTs) from inception to September 2021. Meta-analysis was performed to estimate the pooled relative risk (RR) with 95% confidence intervals (CI) using a random-effects model. Trial sequential analysis (TSA) was conducted to determine the robustness of the H. pylori eradication rate.
Results: Nine RCTs were included. Compared with patients receiving only regular instructions, patients received EPI showed significantly higher H. pylori eradication rate (n = 8 RCTs, ITT analysis: RR = 1.20, 95% CI: 1.06-1.35; PP analysis: RR = 1.12, 95% CI:1.02-1.23) and better patient compliance (n = 8 RCTs, RR = 1.23, 95% CI: 1.09-1.39), as well as higher patient satisfaction (n = 3 RCTs, RR = 1.42, 95% CI: 1.14-1.76). However, there were no significant difference between groups in the incidence of total adverse events (n = 6 RCTs, RR = 0.66, 95%CI: 0.40-1.08) and symptom relief rates (n = 2 RCTs, RR = 1.17, 95% CI: 0.89-1.54). The TSA result indicated that the effect was robust.
Conclusions: Evidence from our meta-analysis shows that EPI intervention may be a promising strategy to improve H. pylori eradication rate, patient compliance, and patient satisfaction.
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