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Background Percutaneous gallbladder drainage (PTGBD), endoscopic ultrasound-guided gallbladder drainage (EUSGBD), and endoscopic transpapillary gallbladder drainage (ETGBD) are used for the treatment of patients with acute cholecystitis who are at high surgical risk. However, it is unclear which procedure is associated with the best outcomes. Methods We systematically searched records in PubMed, Embase, Web of Science, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov up to March 1, 2020. Studies that compared at