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Minerva Chirurgica 2020 June;75(3):193-202

DOI: 10.23736/S0026-4733.20.08255-3


lingua: Inglese

The effect of bupivacaine on postoperative pain following thyroidectomy: a systematic review and meta-analysis

Yaofei JIANG 1, 2, Zulei ZHANG 1, 3, Bo LIANG 1, Suming XU 3, Yuan YE 3, Ruoxi CHEN 3, Yimin LI 3, Mengqi YU 3, Zhenhong ZOU 1

1 Department of General Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang, China; 2 Hubei Key Laboratory of Tumor Biology, Zhongnan Hospital, Wuhan University, Wuhan, China; 3 Nanchang University, Nanchang, China

INTRODUCTION: Thyroid surgery, which is usually followed by moderate postoperative pain, has gained increasing attention in recent years. A systematic review and meta-analysis was conducted to assess the effect of prophylactic bupivacaine on postoperative pain following thyroidectomy.
EVIDENCE ACQUISITION: We searched the PubMed, Web of Science, Embase, and Cochrane Library databases for specific keywords. RevMan 5.0 and Stata 12.0 software were used to perform meta-analyses. The endpoints were postoperative pain, rescue analgesic requirement, and postoperative nausea and vomiting (PONV) during the immediate 24 h postoperative period.
EVIDENCE SYNTHESIS: A total of 18 randomized controlled trials (RCTs) with 1308 patients were included in the meta-analysis. A significant reduction of pain according to the postoperative pain scale at 1 hour (P<0.05) and rescue analgesic requirement (P<0.05) was observed following local infiltration with bupivacaine. A bilateral superficial cervical plexus block (BSCPB) with bupivacaine also significantly reduced postoperative pain at 1 hour (P<0.01) and 24 hours (P<0.01), as well as rescue analgesic requirement (P<0.00001) and PONV (P<0.01). Compared with BSCPB, local infiltration with bupivacaine provides a better effect in terms of postoperative analgesia (P<0.05).
CONCLUSIONS: We recommend local infiltration with bupivacaine ranged from 20 to 75 mg before or after skin closure or BSCPB with bupivacaine ranged from 25 to 100 mg to reduce postoperative pain after thyroidectomy.

KEY WORDS: Bupivacaine; Thyroidectomy; Pain, postoperative; Meta-analysis

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