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Updated: Jan 31, 2026
Intra-Operative Neural Monitoring of Thyroid Surgery in a Porcine Model
Published on: February 11, 2019
Thyroid surgery under monitored anesthesia care (MAC)
Joon Ho Lee1, Jae Hwa Yoo1, Sung Hwan Cho1
1Department of Anesthesiology and Pain Medicine, Soonchunhyang University Hospital, Bucheon, Korea. yikim@schbc.ac.kr.
Background:
Thyroid surgery is usually performed under general anesthesia, but thyroid surgery under monitored anesthesia care (MAC) has become re-introduced. We report our experiences of 40 cases of thyroid surgery under MAC.
Methods:
Forty patients were enrolled in this study. Bilateral superficial cervical plexus block (BSCPB) was performed by using 1% mepivacaine with 1 : 200,000 epinephrine. After BSCPB, patients were sedated with propofol and fentanyl. Postoperative pain, sore throat, hoarseness, and postoperative nausea and vomiting (PONV) were assessed.
Results:
Mean postoperative pain VAS were 1.3, 1.2, 1.0, 0.8 and postoperative sore throat VAS 1.4, 1.4, 1.1, 0.9 at PACU (post-anesthesia care unit) and postoperative 3, 6, 12 h, respectively. The incidence of hoarseness was 25, 5, 2.5%, and 0% and PONV were 0, 5, 10%, and 7.5% at PACU and postoperative 3, 6, 12 h, respectively.
Conclusions:
Thyroid surgery under MAC may be a suitable alternative to general anesthesia.
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