Efficacy and safety of cap-assisted endoscopy in the treatment of esophageal foreign bodies:A systematic review and meta-analysis
Objective To systematically review the efficacy and safety of cap-assisted endoscopy in the treatment of esophageal foreign bodies.Methods PubMed,Web of Science,The Cochrane Library,EMbase,CNKI and Wanfang databases were searched by computer for relevant literatures on cap-assisted endoscopy and traditional endoscopy for esophageal foreign bodies from inception to November 2022.The quality assessment of the literature was conducted using the Newcastle-Ottawa Scale(NOS).Meta-analysis was performed using RevMan 5.4.1.Results Finally,27 studies were collected,including 17 randomized controlled trials,2 cohort studies and 8 case-control studies,with a total of 3 619 patients.NOS scores of all studies were ≥7 points.Meta-analysis results showed that compared with traditional endoscopic treatment,the success rate of removing esophageal foreign bodies in the cap-assisted endoscopy group was higher(OR=14.43,95％CI 10.64 to 19.55,P＜0.000 1),postoperative complications were fewer(OR=0.30,95％CI 0.23 to 0.38,P＜0.000 1),patients'tolerance was better(OR=4.07,95％CI 2.95 to 5.60,P＜0.000 1),intraoperative visual field clarity was better(OR=12.00,95％CI 7.29 to 19.76,P＜0.000 1)and operative time was shorter(SMD=-1.83,95％CI-2.31 to-1.34,P＜0.000 1).Conclusion Cap-assisted endoscopy for esophageal foreign bodies is an effective and safe method,worthy of further promotion and application in clinical practice.
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