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This review aimed to conduct a meta-analysis of published randomized controlled studies (RCTs) comparing the effectiveness of dexmedetomidine (DEX) combined with ropivacaine versus single ropivacaine in transversus abdominis plane block (TAPB) for postoperative analgesia after laparoscopic cholecystectomy (LC). The purpose was to investigate whether DEX combined with ropivacaine in TAPB for postoperative analgesia in LC is superior to single ropivacaine administration.