Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy

Background & Aims: Surgeons are not willing to participate in thyroid surgeries due to dangerous, although rare, complications of the procedure. Post thyroidectomy complications are divided in early and late onset; hypocalcemia, bleeding, thyroid storm and recurrent laryngeal nerve (RLN) injury...

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Main Authors: B Porseyedi, H Zenalinejhad, S.M Moslemi-Aghili, M Aghaei-Afshar, M.R Lashkarizadeh, M Sanjari, GH.R Yosefzadeh, M.H Gozashti
Format: Article
Language:English
Published: Kerman University of Medical Sciences 2012-07-01
Series:Journal of Kerman University of Medical Sciences
Subjects:
Online Access:https://jkmu.kmu.ac.ir/article_16529_ce2d520ab793d79699085c33de2eb263.pdf
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author B Porseyedi
H Zenalinejhad
S.M Moslemi-Aghili
M Aghaei-Afshar
M.R Lashkarizadeh
M Sanjari
GH.R Yosefzadeh
M.H Gozashti
author_facet B Porseyedi
H Zenalinejhad
S.M Moslemi-Aghili
M Aghaei-Afshar
M.R Lashkarizadeh
M Sanjari
GH.R Yosefzadeh
M.H Gozashti
author_sort B Porseyedi
collection DOAJ
description Background & Aims: Surgeons are not willing to participate in thyroid surgeries due to dangerous, although rare, complications of the procedure. Post thyroidectomy complications are divided in early and late onset; hypocalcemia, bleeding, thyroid storm and recurrent laryngeal nerve (RLN) injury are the most important ones. This study was performed to compare the frequency of recurrent laryngeal nerve injury with and without nerve exploration in the thyroidectomy operation. Methods: In this Cohort study, we evaluated 566 cases underwent thyroidectomy during about 6 years (2005-2011) in two centers, Bahonar and Afzalipour hospitals, in Kerman, Iran. Results: A total of 566 patients, 124 men (21.9%) and 442 women (78.1%) with the mean age of 40.26 years and the mean hospitalization period of 3.35 days were evaluated. 382 patients (67.5%) underwent total or subtotal thyroidectomy and 184 (32.5%) underwent lobectomy and isthmectomy. 124 patients (21.9%) had malignant and 442 (78.1%) had benign lesions. The most common found malignancy was papillary thyroid carcinoma (PTC), where as the most found benign lesion was multinodular guiter (MNG). Recurrent laryngeal nerve exploration was done for 337 patients (59/5%). Totally, 6 cases (1.1%) showed Recurrent laryngeal nerve injury (1 in exploration and 5 in non exploration group) from which, 4 had permanent hoarseness and 2 had permanent dysphonia. Also, malignancy and radical neck dissection had significant effect on nerve injury but re-operation and unilateral or bilateral surgery had not. Conclusion: Recurrent laryngeal nerve identification and exploration decreased the incidence of nerve injury significantly. We believe that recurrent laryngeal nerve identification and exploration during thyroidectomy is the best procedure to decrease the risk of nerve injury.
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spelling doaj.art-ee190239f6a14fa8b9ed46bfb3ddb9e92023-07-01T05:28:42ZengKerman University of Medical SciencesJournal of Kerman University of Medical Sciences2008-28432012-07-0119330030716529Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in ThyroidectomyB Porseyedi0H Zenalinejhad1S.M Moslemi-Aghili2M Aghaei-Afshar3M.R Lashkarizadeh4M Sanjari5GH.R Yosefzadeh6M.H Gozashti7Assistant Professor of Surgery, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssociate Professor of Surgery, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranResident of Surgery, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssistant Professor of Surgery, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssistant Professor of Surgery, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssociate Professor of Internal Medicine, Physiology Research Center & Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssistant Professor of Internal Medicine, Physiology Research Center & Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranAssistant Professor of Internal Medicine, Physiology Research Center & Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, IranBackground & Aims: Surgeons are not willing to participate in thyroid surgeries due to dangerous, although rare, complications of the procedure. Post thyroidectomy complications are divided in early and late onset; hypocalcemia, bleeding, thyroid storm and recurrent laryngeal nerve (RLN) injury are the most important ones. This study was performed to compare the frequency of recurrent laryngeal nerve injury with and without nerve exploration in the thyroidectomy operation. Methods: In this Cohort study, we evaluated 566 cases underwent thyroidectomy during about 6 years (2005-2011) in two centers, Bahonar and Afzalipour hospitals, in Kerman, Iran. Results: A total of 566 patients, 124 men (21.9%) and 442 women (78.1%) with the mean age of 40.26 years and the mean hospitalization period of 3.35 days were evaluated. 382 patients (67.5%) underwent total or subtotal thyroidectomy and 184 (32.5%) underwent lobectomy and isthmectomy. 124 patients (21.9%) had malignant and 442 (78.1%) had benign lesions. The most common found malignancy was papillary thyroid carcinoma (PTC), where as the most found benign lesion was multinodular guiter (MNG). Recurrent laryngeal nerve exploration was done for 337 patients (59/5%). Totally, 6 cases (1.1%) showed Recurrent laryngeal nerve injury (1 in exploration and 5 in non exploration group) from which, 4 had permanent hoarseness and 2 had permanent dysphonia. Also, malignancy and radical neck dissection had significant effect on nerve injury but re-operation and unilateral or bilateral surgery had not. Conclusion: Recurrent laryngeal nerve identification and exploration decreased the incidence of nerve injury significantly. We believe that recurrent laryngeal nerve identification and exploration during thyroidectomy is the best procedure to decrease the risk of nerve injury.https://jkmu.kmu.ac.ir/article_16529_ce2d520ab793d79699085c33de2eb263.pdfrecurrent laryngeal nerve injury, thyroidectomy, hoarsness, dysphony, recurrent laryngealnerve exploration
spellingShingle B Porseyedi
H Zenalinejhad
S.M Moslemi-Aghili
M Aghaei-Afshar
M.R Lashkarizadeh
M Sanjari
GH.R Yosefzadeh
M.H Gozashti
Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
Journal of Kerman University of Medical Sciences
recurrent laryngeal nerve injury, thyroidectomy, hoarsness, dysphony, recurrent laryngeal
nerve exploration
title Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
title_full Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
title_fullStr Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
title_full_unstemmed Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
title_short Comparison of the Frequency of Recurrent Laryngeal Nerve Injury with and without Exploration of the Nerve in Thyroidectomy
title_sort comparison of the frequency of recurrent laryngeal nerve injury with and without exploration of the nerve in thyroidectomy
topic recurrent laryngeal nerve injury, thyroidectomy, hoarsness, dysphony, recurrent laryngeal
nerve exploration
url https://jkmu.kmu.ac.ir/article_16529_ce2d520ab793d79699085c33de2eb263.pdf
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