The analgesic efficacy of the continuous adductor canal block compared to continuous intravenous fentanyl infusion with a single-shot adductor canal block in total knee arthroplasty: a randomized controlled trial

在全膝关节置换术中，持续内收肌管阻滞与单次注射内收肌管阻滞联合持续静脉芬太尼输注的镇痛效果比较：一项随机对照试验