A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction

Abstract Background To describe and evaluate a four step systematic approach to dissecting the recurrent laryngeal nerve (RLN) starting at the cricothyroid junction during thyroid surgery (subsequently referred to as the retrograde medial approach). Methods All thyroidectomies completed by the senio...

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Main Authors: Oleksandr Butskiy, Brent A. Chang, Kimberly Luu, Robert M. McKenzie, Donald W. Anderson
Format: Article
Language:English
Published: SAGE Publishing 2018-09-01
Series:Journal of Otolaryngology - Head and Neck Surgery
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Online Access:http://link.springer.com/article/10.1186/s40463-018-0306-7
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author Oleksandr Butskiy
Brent A. Chang
Kimberly Luu
Robert M. McKenzie
Donald W. Anderson
author_facet Oleksandr Butskiy
Brent A. Chang
Kimberly Luu
Robert M. McKenzie
Donald W. Anderson
author_sort Oleksandr Butskiy
collection DOAJ
description Abstract Background To describe and evaluate a four step systematic approach to dissecting the recurrent laryngeal nerve (RLN) starting at the cricothyroid junction during thyroid surgery (subsequently referred to as the retrograde medial approach). Methods All thyroidectomies completed by the senior author between August 2014 and January 2016 were retrospectively reviewed. Patients were excluded if concurrent lateral or central neck dissection was performed. A follow up period of 1 year was included. Results Surgical photographs and illustrations demonstrate the four steps in the retrograde medial approach to dissection of the RLN in thyroid surgery. Three hundred forty-two consecutive thyroid surgeries were performed in 17 months, including 213 hemithyroidectomies, 91 total thyroidectomies, and 38 completion thyroidectomies. The rate of temporary and permanent hypocalcemia was 13% (95% confidence interval [CI]: 8–20%) and 3% (95% CI: 1–8%) respectively. The rate of temporary and permanent vocal cord palsy was 9% (95% CI: 6–12%) and 0.3% (95%CI: 0.01–2%) respectively. The median surgical times for hemithyroidectomy, total thyroidectomy, and completion thyroidectomy were 39 min (Interquartile range [IQR]: 33–47 min), 48 min (IQR: 40–60 min), and 40 min (IQR: 35–51 min) respectively. 1% of cases required conversion to an alternative surgical approach. Conclusion In a tertiary endocrine head and neck practice, the routine use of the retrograde medial approach to RLN dissection is safe and results in a short operative time, and a low conversion rate to other RLN dissection approaches.
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spelling doaj-art-8a76a855f55b42b8937d48d241ec8c192025-02-03T00:22:57ZengSAGE PublishingJournal of Otolaryngology - Head and Neck Surgery1916-02162018-09-014711910.1186/s40463-018-0306-7A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junctionOleksandr Butskiy0Brent A. Chang1Kimberly Luu2Robert M. McKenzie3Donald W. Anderson4Division of Otolaryngology – Head & Neck Surgery, University of British ColumbiaDivision of Otolaryngology – Head & Neck Surgery, University of British ColumbiaDivision of Otolaryngology – Head & Neck Surgery, University of British ColumbiaDivision of Otolaryngology – Head & Neck Surgery, University of British ColumbiaDivision of Otolaryngology – Head & Neck Surgery, University of British ColumbiaAbstract Background To describe and evaluate a four step systematic approach to dissecting the recurrent laryngeal nerve (RLN) starting at the cricothyroid junction during thyroid surgery (subsequently referred to as the retrograde medial approach). Methods All thyroidectomies completed by the senior author between August 2014 and January 2016 were retrospectively reviewed. Patients were excluded if concurrent lateral or central neck dissection was performed. A follow up period of 1 year was included. Results Surgical photographs and illustrations demonstrate the four steps in the retrograde medial approach to dissection of the RLN in thyroid surgery. Three hundred forty-two consecutive thyroid surgeries were performed in 17 months, including 213 hemithyroidectomies, 91 total thyroidectomies, and 38 completion thyroidectomies. The rate of temporary and permanent hypocalcemia was 13% (95% confidence interval [CI]: 8–20%) and 3% (95% CI: 1–8%) respectively. The rate of temporary and permanent vocal cord palsy was 9% (95% CI: 6–12%) and 0.3% (95%CI: 0.01–2%) respectively. The median surgical times for hemithyroidectomy, total thyroidectomy, and completion thyroidectomy were 39 min (Interquartile range [IQR]: 33–47 min), 48 min (IQR: 40–60 min), and 40 min (IQR: 35–51 min) respectively. 1% of cases required conversion to an alternative surgical approach. Conclusion In a tertiary endocrine head and neck practice, the routine use of the retrograde medial approach to RLN dissection is safe and results in a short operative time, and a low conversion rate to other RLN dissection approaches.http://link.springer.com/article/10.1186/s40463-018-0306-7Surgical techniqueThyroidectomyRecurrent laryngeal nerveRetrograde dissectionSurgical anatomy
spellingShingle Oleksandr Butskiy
Brent A. Chang
Kimberly Luu
Robert M. McKenzie
Donald W. Anderson
A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
Journal of Otolaryngology - Head and Neck Surgery
Surgical technique
Thyroidectomy
Recurrent laryngeal nerve
Retrograde dissection
Surgical anatomy
title A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
title_full A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
title_fullStr A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
title_full_unstemmed A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
title_short A systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
title_sort systematic approach to the recurrent laryngeal nerve dissection at the cricothyroid junction
topic Surgical technique
Thyroidectomy
Recurrent laryngeal nerve
Retrograde dissection
Surgical anatomy
url http://link.springer.com/article/10.1186/s40463-018-0306-7
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