Smith B E, Challands J F, Suchak M, Siggins D
Department of Anaesthetics, Alexandra Hospital, Redditch.
Anaesthesia. 1989 Sep;44(9):747-9. doi: 10.1111/j.1365-2044.1989.tb09261.x.
Eighty patients who presented for surgery of the forearm or hand were allocated randomly to one of two groups. In Group A, surgery was performed under supraclavicular brachial plexus block only; a mixture of equal parts of prilocaine 1% and bupivacaine 0.5% without adrenaline was used. In Group B, supraclavicular brachial plexus block was performed using prilocaine 1% alone, but in addition discrete nerve blocks were performed at elbow level using 0.5% bupivacaine without adrenaline. Patients in Group B had a significantly shorter duration of unwanted postoperative motor blockade and a significantly longer duration of postoperative analgesia (p less than 0.005).
80名因前臂或手部手术前来就诊的患者被随机分为两组。A组仅在锁骨上臂丛神经阻滞下进行手术；使用等量的1%丙胺卡因和0.5%布比卡因混合液且不加肾上腺素。B组仅使用1%丙胺卡因进行锁骨上臂丛神经阻滞，但另外在肘部水平使用0.5%布比卡因不加肾上腺素进行单独神经阻滞。B组患者术后不必要的运动阻滞持续时间显著缩短，术后镇痛持续时间显著延长（p<0.005）。
