• Rong-jian Deng, Jian-she Xu, Rong Wei, and Zai-sheng Qin.
• Department of Anesthesiology, Nanfang Hospital, First Military Medical University, Guangzhou 510515, China.
• Di Yi Jun Yi Da Xue Xue Bao. 2003 Apr 1;23(4):377-9.

ObjectiveTo evaluate the analgesic effect of brachial plexus block using patient-controlled analgesia device after micro-surgery in the antebrachium and its impact on postoperative recovery.MethodTwenty-four patients (ASA class I or II ) scheduled for micro-surgery in the antebrachium under brachial plexus block were randomly divided into PCBPA group (n=12) with patient-controlled analgesia and control group (n=12) without postoperative analgesia. In PCBPA group, postoperative patient-controlled analgesia was implemented using the mixture of 1% lidocaine and 0.25% bupivacaine and a computer- based system (Graseby 9300) with basal infusion of 2 ml/h, bolus dose of 3 ml and lockout time of 45 min. Visual analogue scale (VAS) was adopted for the evaluation of the pain intensity in both groups within 72 h after surgery, and changes in the mean arterial pressure (MAP) and heart rate (HR) observed during the peri-operation period.Results And ConclusionVAS, MAP and HR in PCBPA group were significantly lower than those in the control group ( P<0.05) within 24 h after surgery, suggesting the effectiveness of the analgesic modality using patient-controlled analgesia, which also inhibits postoperative stress reaction and promotes recovery following micro-surgery of the antebrachium.

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