• Tugba Karaman, Serkan Karaman, Murat Aşçı, Hakan Tapar, Aynur Şahin, Serkan Dogru, and Mustafa Suren.
• Department of Anesthesiology and Reanimation, School of Medicine, Gaziosmanpasa University, Tokat, Turkey.
• Pain Pract. 2019 Feb 1; 19 (2): 196-203.

BackgroundThe interscalene brachial plexus block (ISBB) is an effective procedure for minimizing postoperative opioid consumption and pain following arthroscopic shoulder surgery. The ultrasound (US)-guided supraclavicular brachial plexus block (SCBB) seems to be an alternative technique for arthroscopic shoulder surgery. However, evidence is lacking regarding the impact of SCBB on postoperative pain management and recovery after arthroscopic shoulder surgery. The aim of this study was to compare the effects of SCBB with ISBB in terms of postoperative pain and quality of recovery after arthroscopic shoulder surgery.MethodsA total of 62 adult patients scheduled for arthroscopic shoulder surgery under general anesthesia were randomized into 2 groups to receive either ISBB (IB group, n = 31) or SCBB (SB group, n = 29) with 20 mL of 0.25% bupivacaine under US guidance. Assessments included postoperative pain scores, additional analgesic requirement, timing of the first analgesic requirement, Quality of Recovery-40 (QoR-40) scores, block characteristics, and side effects.ResultsNo significant differences were found between the 2 groups for pain scores (P = 0.34), timing of first analgesic requirement (P = 0.30), additional analgesic requirement (P = 0.34), or QoR-40 scores (P = 0.13). The block characteristics regarding procedure time (P = 0.95), block failure, and onset time of sensory blockade (P = 0.33) were similar. Horner's syndrome occurred in 8 patients in the IB group and 1 patient in the SB group (P = 0.015).ConclusionsThis study showed that US-guided SCBB is as effective as ISBB in reducing postoperative pain and improving the quality of recovery for arthroscopic shoulder surgery.© 2018 World Institute of Pain.

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