• Yue Wei, Xiang-yang Guo, Lu Yang, Yu-lan Rong, Chuan-ya Xu, and Min Li.
• Department of Anesthesiology, Peking University Third Hospital, Beijing, China.
• Zhonghua Yi Xue Za Zhi. 2012 Sep 4;92(33):2327-30.

ObjectiveTo compare continuous interscalene brachial plexus block (CISB) in the patients undergoing rotator cuff repair surgery.MethodsA total of 60 patients undergoing rotator cuff repair surgery were randomly assigned to either ISB plus GA group (ISB + GA group) or GA group. Preoperatively, an interscalene catheter was placed in the ISB + GA group patients. Both groups received general anesthesia. The intraoperative mean arterial pressure (MAP) at the level of external acoustic meatus was maintained at a target of 60 - 65 mm Hg with a continuous infusion of remifentanil. Postoperatively, the patients in the ISB + GA and GA groups received CISB and patient controlled intravenous analgesia (PCIA) respectively for 48 h.ResultsSurgical field conditions were similar in two groups (P = 1.000). Compared to the GA group, the consumption of remifentanil [(0.04 ± 0.03) vs (0.14 ± 0.03) µg×kg(-1)×min(-1), P < 0.01] and the inhalational concentration of sevoflurane(1.80% ± 0.5% vs 2.1% ± 0.5%, P < 0.05)were lower in the ISB + GA group. Compared to the GA group, the values of MAP and heart rate (HR) were lower at all postoperative time-points in the ISB + GA group(P < 0.05). The postoperative measurements of numerical rating pain score (NRPS) were lower (P < 0.01) and the level of patient satisfaction was greater in the ISB + GA group [8(6 - 10) vs 7 (5 - 10), P < 0.01].ConclusionIn comparisons with GA alone for rotator cuff repair surgery, the combined uses of ISB and GA may achieve a better perioperative control of hemodynamic responses, a markedly reduced consumption of general anesthetics, a rapid recovery of consciousness from anesthesia, superior analgesia with fewer side effects and greater patient satisfaction.

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