Prospective cohort study of parathyroid function and quality of life after total thyroidectomy for thyroid cancer: robotic surgery vs. open surgery

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OBJECTIVE: To compare robot-assisted thyroidectomy (RT) and open thyroidectomy (OT) through a prospective cohort study focusing on the rate of postoperative hypoparathyroidism, efficacy, and quality of life (QoL). SUMMARY BACKGROUND DATA: Hypoparathyroidism is a frequent complication after thyroidectomy. Reducing the risk of hypoparathyroidism after total thyroidectomy is a crucial and difficult task for thyroid surgeons. METHODS: We prospectively enroled 306 patients with papillary thyroid carcinoma into an RT group and OT group. The former used "super-meticulous" capsular dissection) and the latter used traditional meticulous capsular dissection. Patients were evaluated by scales [Short Form (SF)-36, Visual Impairment Scale (VIS), Swallowing Impairment Scale (SIS), Neck Impairment Scale (NIS), Scar questionnaire (SCAR-Q)]. RESULTS: The rates of transient hypoparathyroidism, permanent hypoparathyroidism, and transient hypocalcemia after surgery in the OT group and RT group were significantly different ( P <0.001). SIS and VIS scores in the two groups were significantly different ( P <0.001). SF-36 showed significant differences ( P <0.001) in the subsections of "physiological function", "body pain", "general health", "vitality", "social function", "role emotional", and "mental health" between the two groups. SCAR-Q showed that the length and appearance of scars showed significant differences between the two groups. CONCLUSIONS: RT with Super-meticulous capsular dissection can protect parathyroid function and improve postoperative QoL, and could be a new option for robot-assisted surgery against thyroid cancer.

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