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

 Shin, Seokyung  ;  Chung, Woung Youn  ;  Jeong, Jong Ju  ;  Kang, Sang-Wook  ;  Oh, Young Jun 
 WORLD JOURNAL OF SURGERY, Vol.36(12) : 2831-2837, 2012 
Journal Title
Issue Date
Administration, Topical ; Adult ; Amides/administration & dosage* ; Amides/therapeutic use ; Anesthetics, Local/administration & dosage* ; Anesthetics, Local/therapeutic use ; Axilla ; Cervical Plexus ; Double-Blind Method ; Endoscopy* ; Female ; Humans ; Male ; Middle Aged ; Nerve Block* ; Pain Measurement ; Pain, Postoperative/drug therapy* ; Prospective Studies ; Robotics* ; Thyroidectomy/methods* ; Treatment Outcome
Remifentanil ; Visual Analog Scale Score ; Ropivacaine ; Anterior Neck ; Endoscopic Thyroidectomy
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.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Sang Wook(강상욱) ORCID logo https://orcid.org/0000-0001-5355-833X
Shin, Seokyung(신서경) ORCID logo https://orcid.org/0000-0002-2641-0070
Oh, Young Jun(오영준) ORCID logo https://orcid.org/0000-0002-6258-5695
Chung, Woung Youn(정웅윤)
Jeong, Jong Ju(정종주) ORCID logo https://orcid.org/0000-0002-4155-6035
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