Single-port unilateral transaxillary totally endoscopic thyroidectomy: A survival animal and cadaver feasibility study

Single-port unilateral axillary thyroidectomy has great potential to become a valid alternative technique for thyroid surgery. We tested the technique in a study on live animals and cadavers to evaluate the feasibility and reproducibility of the procedure. Institutional review board (IRB) approval w...

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Published in:Journal of minimal access surgery Vol. 12; no. 1; pp. 63 - 67
Main Authors: Phillips, Henrique Neubarth, Fiorelli, Rossano Kepler Alvim, Queiroz, Marcelo Rios, Oliveira, Andre Lacerda, Zorron, Ricardo
Format: Journal Article
Language:English
Published: India Medknow Publications and Media Pvt. Ltd 01-01-2016
Medknow Publications & Media Pvt. Ltd
Medknow Publications & Media Pvt Ltd
Wolters Kluwer Medknow Publications
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Summary:Single-port unilateral axillary thyroidectomy has great potential to become a valid alternative technique for thyroid surgery. We tested the technique in a study on live animals and cadavers to evaluate the feasibility and reproducibility of the procedure. Institutional review board (IRB) approval was obtained in our university by the Council of Ethics for the study in surviving animals and cadavers. Subtotal thyroidectomy using unilateral axillary single port was performed in five dogs and five cadavers. Performing incision in the axillary fossa, a disposable single port was inserted. The dissection progressed for creating a subcutaneous tunnel to the subplatysmal region; after opening the platysma muscle and separation of the strap muscles, the thyroid gland was identified. After key anatomical landmarks were identified, the dissection was started at the upper pole towards the bottom, and to the isthmus. Specimens were extracted intact through the tunnel. Clinical and laboratorial observations of the experimental study in a 15-day follow-up and intraoperative data were documented. All surgeries were performed in five animals which survived 15 days without postoperative complications. In the surgeries successfully performed in five cadavers, anatomical landmarks were recognised and intraoperative dissection of recurrent nerves and parathyroid glands was performed. Mean operative time was 64 min (46-85 min) in animals and 123 min (110-140 min) in cadavers, with a good cosmetic outcome since the incision was situated in the axillary fold. The technique of single-port axillary unilateral thyroidectomy was feasible and reproducible in the cadavers and animal survival study, suggesting the procedure as an alternative to minimally invasive surgery of the neck.
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ISSN:0972-9941
1998-3921
DOI:10.4103/0972-9941.172016