Effects of bilateral superficial cervical plexus block on sevoflurane consumption during thyroid surgery under entropy-guided general anesthesia: a prospective randomized study

Sudheesh Kannan; Nethra S Surhonne; Chethan Kumar R; Kavitha B; Devika Rani D; Raghavendra Rao R S

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자료유형: 학술저널

저자정보: Sudheesh Kannan (Bangalore Medical College and Research Institute) Nethra S Surhonne (Bangalore Medical College and Research Institute) Chethan Kumar R (Bangalore Medical College and Research Institute) Kavitha B (Bangalore Medical College and Research Institute) Devika Rani D (Bangalore Medical College and Research Institute) Raghavendra Rao R S (Bangalore Medical College and Research Institute)

저널정보: 대한마취통증의학회(구 대한마취과학회) Korean Journal of Anesthesiology Korean Journal of Anesthesiology Vol.71 No.2

발행연도: 2018.1

수록면: 141 - 148 (8page)

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연구주제

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연구배경

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연구방법

🏆

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Background: Bilateral superficial cervical plexus block (BSCPB) provides good postoperative analgesia, but its effect on anesthetic consumption is unknown. This study evaluated the effects of BSCPB on sevoflurane consumption during thyroid surgery. Methods: Fifty patients were randomly allocated into groups A and B of 25 each in this prospective double-blind study. Group A received BSCPB with 20 ml 0.25% bupivacaine, whereas group B received 20 ml saline immediately before entropy-guided general anesthesia. Intraoperative hemodynamic parameters, end-tidal sevoflurane concentration, minimum alveolar concentration, and sevoflurane consumption were recorded. Postoperative pain was assessed using a visual analog scale, and the time of the first request for analgesia was noted. All side effects were recorded. Results: Demographics were comparable. Mean sevoflurane consumption [for 30 min: group A = 7.2 (1.1) ml, group B = 8.8 (2.0) ml, P = 0.001; for 60 min: group A = 13.5 (1.7) ml, group B = 16.5 (3.9) ml, P = 0.002] and mean end-tidal sevoflurane concentration [for 30 min: group A = 1.2% (0.2%), group B = 1.4% (0.2%), P = 0.008; for 60 min: group A = 1.2% (0.1%), group B = 1.4% (0.2%), P = 0.010] were significantly lower in group A. Patients in group A had a longer duration of analgesia [361.6 (79.5) min vs. 151.0 (60.2) min, P < 0.001] compared to those in group B. Conclusions: Preinduction BSCPB during thyroid surgery significantly reduced sevoflurane consumption and increased the duration of postoperative analgesia.

참고문헌 (29)

참고문헌 신청

Bajwa SJ / 2013 / Anesthesia and thyroid surgery: the never ending challenges / Indian J Endocrinol Metab 17:228~234

Karthikeyan VS / 2013 / Randomized controlled trial on the efficacy of bilateral superficial cervical plexus block in thyroidectomy / Pain Pract 13:539~546

Basto ER / 2001 / Intravenous ketoprofen in thyroid and parathyroid surgery / Anesth Analg 92:1052~1057

Karamanlioglu B / 2003 / Preoperative oral celecoxib versus preoperative oral rofecoxib for pain relief after thyroid surgery / Eur J Anaesthesiol 20:490~495

Motamed C / 2006 / Postoperative pain scores and analgesic requirements after thyroid surgery: comparison of three intraoperative opioid regimens / Int J Med Sci 3:11~13

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