• Dongbo Lian, Weijian Chen, Guanyang Chen, Chen Liu, Dexiao Du, and Nengwei Zhang.
• Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, PR China.
• Medicine (Baltimore). 2022 Nov 18; 101 (46): e29673e29673.

AbstractTo compare the different techniques of managing the anterior cervical muscle group during endoscopic thyroidectomy via the trans-thoraco-areolar approach. A total of 90 patients with thyroid tumors less than 3 cm were evaluated. The time for each intraoperative step, total surgery duration, intraoperative blood loss volume, pathology results, number of lymph nodes dissected and patient satisfaction with esthetics were assessed. Intraoperative blood loss volume, drainage volume on the first postoperative day, number of lymph nodes dissected in the central region, postoperative hospitalization duration, number of transient laryngeal nerve palsy cases, and number of transient hypocalcemia cases were similar between the muscle transection (MT) and muscle retraction (MR) groups. The MT group had significantly higher postoperative pain scores after 12 hours, but pain scores at 48 hours postoperatively were not significantly different between the 2 groups. In the unilateral thyroidectomy subgroup, the durations of isthmus resection, freeing the lateral thyroid, exposing the laryngeal recurrent nerve, and management of the inferior pole were similar for both muscle management methods. The muscle dissection and suture time was significantly longer for the MT group than that for the MR group; in contrast, the upper pole management time of the muscle resection group was significantly shorter. In the bilateral resection subgroup, both muscle management methods required similar durations for managing the contralateral upper pole after ipsilateral thyroidectomy. However, intraoperative blood loss was significantly higher for MR than for MT, while postoperative pain was relatively mild. In the malignant tumor subgroup, duration of inferior thyroid pole management was significantly less for MT than for MR. There are significant differences between the 2 muscle management methods in handling and suturing muscles. Both methods have satisfactory postoperative outcomes for resection of thyroid nodules with diameters ≤3 cm. For tumors located in the upper pole, transection of the anterior cervical muscles confers higher feasibility of the thyroidectomy technique; however, suturing becomes difficult in such scenarios.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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