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Analgesic efficacy of bilateral superficial cervical plexus block in robot-assisted endoscopic thyroidectomy using a transaxillary approach

Title
 Analgesic efficacy of bilateral superficial cervical plexus block in robot-assisted endoscopic thyroidectomy using a transaxillary approach
Authors
 Shin, Seokyung; Chung, Woung Youn; Oh, Young Jun; Kang, Sang-Wook; Jeong, Jong Ju
Issue Date
2012
Journal Title
 World Journal of Surgery
ISSN
 0364-2313
Citation
 World Journal of Surgery, Vol.36(12) : 2831~2837, 2012
Abstract
BACKGROUND: Nerve blocks and infiltration with local anesthetics are commonly employed methods for postoperative pain control. This prospective, randomized trial was conducted to determine whether bilateral superficial cervical plexus block (BSCPB) is effective for reducing acute postoperative pain after robot-assisted endoscopic thyroidectomy (RAET) and to compare its effects with that of local wound infiltration (LWI). METHODS: Ninety-seven patients who were to undergo RAET were randomly assigned to one of three groups to receive BSCPB with either 20 mL of 0.525% ropivacaine (BSCPB group, n=32) or 20 mL of isotonic sodium chloride solution (Control group, n=32) or LWI with 20 mL of 0.525% ropivacaine (LWI group, n=33). Postoperative pain scores were assessed at the postoperative anesthesia care unit (PACU) and at 6, 24, and 48 h postoperatively using a visual analog scale (VAS). Patients with VAS scores of ≥40 were administered rescue analgesics according to a standardized protocol. The main outcome variables were pain scores during the first postoperative 24 h and the number of patients requiring postoperative analgesic rescue. RESULTS: The BSCBP and LWI groups showed lower pain scores compared with the Control group at the PACU. The BSCPB group continued to show significantly lower pain scores compared with the LWI and Control groups at postoperative 6 and 24 h. The number of patients requiring analgesic rescue at the PACU was lower in the BSCPB and LWI groups than in the Control group. The number of patients requiring additional rescue analgesics after discharge from the PACU until the first 24 postoperative h was lower in the BSCPB group than in the LWI group. CONCLUSIONS: BSCPB and LWI are effective for reducing pain scores and analgesic requirements during the immediate postoperative period in patients who undergo RAET, with BSCPB being superior to LWI at postoperative 6-24 h.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/92037
DOI
10.1007/s00268-012-1780-0
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Anesthesiology and Pain Medicine
1. 연구논문 > 1. College of Medicine > Dept. of Surgery
Yonsei Authors
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Link
 http://link.springer.com/article/10.1007%2Fs00268-012-1780-0
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