Renovated Prediction Model for Difficult Transoral and Submental Endoscopic Thyroidectomy

Condition(s) studied

Investigational drug(s) / intervention(s)

Modified Strap-Muscle Dissection Technique: A refined endoscopic thyroidectomy technique characterized by limited midline separation of the superficial sternohyoid muscle layer, with preservation of adequate deep-layer sternothyroid dissection and lateral strap-muscle retraction to maintain surgical exposure.

Study summary

The investigators have previously proposed a prediction model for difficult transoral and submental thyroidectomy through a retrospective study. In order to better promote transoral and submental endoscopic approach for thyroid surgery and to set up an appropriate training course, the investigators aim to refine the procedure through a prospective study. As a procedure refinement, a modified strap-muscle dissection technique will be introduced during transoral and submental endoscopic thyroidectomy.

Eligibility

Primary outcome measure(s)

• Postoperative neck functional recovery at 1 month — 1 month after surgery
  Postoperative neck functional recovery will be assessed 1 month after surgery using a standardized neck function assessment, including neck discomfort, anterior neck tightness, swallowing-related traction discomfort, and neck range of motion. Higher impairment scores indicate worse neck functional recovery.
• Anterior neck tightness score — Postoperative 1 week, 1 month, and 3 months
  Anterior neck tightness will be assessed using a patient-reported visual analog scale or numerical rating scale. Higher scores indicate more severe tightness.
• Swallowing-related traction discomfort — Postoperative 1 week, 1 month, and 3 months
  Swallowing-related traction discomfort will be assessed using a patient-reported visual analog scale or numerical rating scale. Higher scores indicate more severe discomfort.

Trial sites (1)

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