Objective  To systematically evaluate the efficacy and safety of Kangfuxin liquid combined with conventional treatment in postoperative patients with gastrointestinal endoscopy.

Methods  PubMed, Embase, Cochrane Library, CNKI, WanFang Data, VIP databases were electronically searched to collect randomized controlled trials (RCTs) about Kangfuxin liquid combined with conventional treatment versus conventional treatment for postoperative complications of gastrointestinal endoscopy, from inception to December 31, 2023. Two reviewers independently screened literature, extracted data and assessed the risk of bias in the included studies. Meta-analysis was then performed by using RevMan 5.3 software and Stata 14 software.

Results  A total of 14 RCTs involving 1 359 patients were included. The results of Meta-analysis showed that compared with the conventional treatment group, the Kangfuxin liquid combination group could improve postoperative ulcer complete healing rate (RR=1.32, 95%CI 1.07 to 1.61, P=0.009) and postoperative clinical symptomatic relief rate (RR=1.20, 95%CI 1.13 to 1.27, P<0.001), but there was no statistically significant difference in the incidence of adverse reactions between the two groups (P>0.05). Subgroup analyses showed that the ulcer complete healing rate in the Kangfuxin liquid combination group was higher than that in the conventional treatment group at 2 weeks postoperatively (RR=1.56, 95%CI 1.28 to 1.92, P<0.001), but there was no statistically significant difference in ulcer complete healing rate between the two groups at 4 weeks postoperatively (P>0.05); the efficacy of oral administration (RR=1.19, 95%CI 1.11 to 1.27, P<0.001) and transendoscopic topical spray administration (RR=1.23, 95%CI 1.09 to 1.39, P<0.001) of Kangfuxin liquid groups were better than those of the conventional treatment group in relieving postoperative clinical symptoms.

Conclusion  Combining Kangfuxin liquid treatment with conventional medication after gastrointestinal endoscopy may further improve clinical efficacy, especially in promoting the ulcer complete healing within 2 weeks after surgery and relieving postoperative clinical symptoms, but there is insufficient evidence on whether it reduces the incidence of adverse effects. Due to the limitations of the number and quality of included studies, the above conclusions are yet to be validated by more high-quality studies.

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