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Trans oral endoscopic thyroidectomy (TOETVA): First French experience in 90 patients.

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OBJECTIVE Thyroidectomy techniques using extracervical approaches have grown in popularity for about 20 years and their feasibility has now been demonstrated. We wanted to evaluate one of these new approaches:… Click to show full abstract

OBJECTIVE Thyroidectomy techniques using extracervical approaches have grown in popularity for about 20 years and their feasibility has now been demonstrated. We wanted to evaluate one of these new approaches: the anterior vestibular endoscopic approach (TOETVA). The aim of this study was to evaluate the results of an initial series patients who underwent an anterior trans-vestibular endoscopic oral thyroidectomy. METHODS From February 2018 to September 2020, this technique was offered to patients aged 18 to 70, ASA I or II, who presented with an indication for thyroid surgery and who wished to avoid cervical scars. The approach was through the anterior vestibule of the mouth and the specimen was extracted either transorally or via the axilla depending on its size. Apart from the first ten cases, all patients underwent recurrent nerve neuromonitoring. The patients were operated on by two surgeons experienced in thyroid surgery. All the patients had follow-up visits on D15, D30 and at 2 months. The pre- and intra-operative data, length of stay and complications were evaluated. RESULTS A total of 90 consecutive patients (87 women) aged 46±12.4 years (18 to 69) with a mean BMI of 24.4±4 were included. The indications for surgery included 11 papillary cancers, five neuroendocrine tumors 15 toxic nodules, 13 cases of Graves disease and 46 symptomatic goiters and/or nodules. The mean pre-operative diameter of the nodules was 3.61±1.99 (0.44 to 7.3) cm. The interventions performed were 44 lobo-isthmectomies, 41 total thyroidectomies and 5 isthmectomies. The mean operating time was 134±45min (40 to 255). On D1, the post-operative ionized calcium was 1.09±0.11mmol/L (4.3685±0.44mg/dL) (normal 0.8-1.15mmol/L) (3.206-4.609mg/dL)) and the total serum calcium was 2.07±0.11mmol/L 8.296±0.44mg/dL (normal 2.2-2.5mmol/L) (8.817-10.019mg/dL). Five patients underwent conversion from endoscopic to open cervical approach (5.5%). The complications were seven cases of transient recurrent nerve palsy (7.8%), eight cases of hypoparathyroidism (19%) including six transient and two permanent, one skin burn and 26 cases of transient chin numbness related to the electrocautery (29%). Ten patients (11%) presented with transient post-operative skin ecchymosis that resolved within 7-10 days. A spontaneous pneumo-mediastinum was observed on chest CT in three patients and evolved favorably. No hematoma, or surgical site infection, or complications related to axillary extraction were observed. All the patients declared themselves satisfied post-operatively and at the end of the follow-up. CONCLUSION The TOETVA route of entry is a safe and reliable technique in well-selected patients wishing to avoid a cervical scar.

Keywords: toetva; surgery; trans oral; patients underwent; thyroidectomy; endoscopic

Journal Title: Journal of visceral surgery
Year Published: 2021

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