Chinese herbal medicine therapy for hyperlipidemic acute pancreatitis: a systematic review and meta-analysis of randomized controlled trials

W.-X. Guo, X.-G. Lu, L.-B. Zhan, Y. Song

Graduate School, Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning, China. luxiaoguang@dlu.edu.cn

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• Emergency Medicine

OBJECTIVE: Chinese herbal medicine (CHM) has been widely used in the treatment of hyperlipidemic acute pancreatitis (HLAP), but the credibility of the evidence for this practice is unclear. We systematically reviewed the efficacy and safety of CHM therapy for HLAP.

MATERIALS AND METHODS: In this systematic review and meta-analysis, we searched the Cochrane Central Register of Controlled Trials, Ovid MEDLINE, PubMed, EMBASE, CBM, CNKI, VIP, and Wanfang databases from inception to October 16, 2022, for randomized controlled trials comparing the combination of CHM and Western medicine therapy vs. Western medicine therapy alone in HLAP adults. This study is registered with PROSPERO (No. CRD 42022371052).

RESULTS: A total of 50 eligible studies involving 3,635 patients were assessed in this meta-analysis. Compared with Western medicine therapy, the combination of CHM increased the total effective rate by 19% in HLAP patients [relative risk (RR): 1.19, 95% CI: (1.16, 1.23)]. There were significant differences between the two groups in improving clinical symptoms, promoting serum amylase and triglyceride recovery, reducing mortality [RR: 0.28, 95% CI: (0.14, 0.56)] and complication rates [RR:0.40, 95% CI: (0.31, 0.52)], and shortening the length of hospital stay [MD: -3.96, 95% CI: (-4.76, -3.16)]. Adverse reactions were similar between groups. Findings were robust in the sensitivity analysis.

CONCLUSIONS: The combined CHM treatment was more effective than Western medicine alone in HLAP patients. However, due to the methodological shortcoming of the eligible studies, caution is needed when interpreting these findings.

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