Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers

BACKGROUND: Vagus nerve anatomical position inside the carotid sheath is not clear in the literature. Nevertheless, monitoring laryngeal nerves during thyroid surgeries may damage big vessels in the carotid sheath (jugular vein; carotid artery). This gap led to an unprecedent cross sectional study o...

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Autores principales: Hojaij, Flavio, Rebelo, Gabriela, Akamatsu, Flavia, Andrade, Mauro, Camargo, Cristina, Cernea, Claudio, Jacomo, Alfredo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley & Sons, Inc. 2019
Materias:
Head and Neck, and Tumor Biology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6580062/
https://www.ncbi.nlm.nih.gov/pubmed/31236466
http://dx.doi.org/10.1002/lio2.275
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author Hojaij, Flavio
Rebelo, Gabriela
Akamatsu, Flavia
Andrade, Mauro
Camargo, Cristina
Cernea, Claudio
Jacomo, Alfredo
author_facet Hojaij, Flavio
Rebelo, Gabriela
Akamatsu, Flavia
Andrade, Mauro
Camargo, Cristina
Cernea, Claudio
Jacomo, Alfredo
author_sort Hojaij, Flavio
collection PubMed
description BACKGROUND: Vagus nerve anatomical position inside the carotid sheath is not clear in the literature. Nevertheless, monitoring laryngeal nerves during thyroid surgeries may damage big vessels in the carotid sheath (jugular vein; carotid artery). This gap led to an unprecedent cross sectional study of vagus syntopy using the carotid artery as anatomical mark. METHODS: Fifty cadavers less than 24 hours postmortem were studied. The vagus nerve was spotted, reproducing the patterns performed in thyroidectomies. RESULTS: On the right side, vagus nerve was posterior to the common carotid artery in 64% of the cases. On the left side, it was anterior, in 68% of the dissections. Comparing both sides, there was no symmetry in this syntopy. No influence of ethnic or anthropometric characteristics was observed. CONCLUSION: The vagus nerve is more frequently posterior to the common carotid artery on the right side and, anterior, on the left side. LEVEL OF EVIDENCE: 4
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spelling pubmed-65800622019-06-24 Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers Hojaij, Flavio Rebelo, Gabriela Akamatsu, Flavia Andrade, Mauro Camargo, Cristina Cernea, Claudio Jacomo, Alfredo Laryngoscope Investig Otolaryngol Head and Neck, and Tumor Biology BACKGROUND: Vagus nerve anatomical position inside the carotid sheath is not clear in the literature. Nevertheless, monitoring laryngeal nerves during thyroid surgeries may damage big vessels in the carotid sheath (jugular vein; carotid artery). This gap led to an unprecedent cross sectional study of vagus syntopy using the carotid artery as anatomical mark. METHODS: Fifty cadavers less than 24 hours postmortem were studied. The vagus nerve was spotted, reproducing the patterns performed in thyroidectomies. RESULTS: On the right side, vagus nerve was posterior to the common carotid artery in 64% of the cases. On the left side, it was anterior, in 68% of the dissections. Comparing both sides, there was no symmetry in this syntopy. No influence of ethnic or anthropometric characteristics was observed. CONCLUSION: The vagus nerve is more frequently posterior to the common carotid artery on the right side and, anterior, on the left side. LEVEL OF EVIDENCE: 4 John Wiley & Sons, Inc. 2019-05-20 /pmc/articles/PMC6580062/ /pubmed/31236466 http://dx.doi.org/10.1002/lio2.275 Text en © 2019 The Authors. Laryngoscope Investigative Otolaryngology published by Wiley Periodicals, Inc. on behalf of The Triological Society. This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Head and Neck, and Tumor Biology
Hojaij, Flavio
Rebelo, Gabriela
Akamatsu, Flavia
Andrade, Mauro
Camargo, Cristina
Cernea, Claudio
Jacomo, Alfredo
Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title_full Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title_fullStr Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title_full_unstemmed Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title_short Syntopy of vagus nerve in the carotid sheath: A dissectional study of 50 cadavers
title_sort syntopy of vagus nerve in the carotid sheath: a dissectional study of 50 cadavers
topic Head and Neck, and Tumor Biology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6580062/
https://www.ncbi.nlm.nih.gov/pubmed/31236466
http://dx.doi.org/10.1002/lio2.275
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