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World Journal of Surgery

Published in:

01-04-2013

Observation of Vocal Fold and Pharyngeal Paralysis After Carotid Endarterectomy Using a Magnifying Laryngoscope

Authors: Tomonori Tamaki, Yoji Node, Norihiro Saitou, Hideto Saigusa

Published in: World Journal of Surgery | Issue 4/2013

Abstract

Background

Injury to the vagus nerve or one of its branches during carotid endarterectomy (CEA) can result in vocal fold paralysis (VFP), but the exact mechanisms and site of injury responsible for VFP after CEA are unclear. The aim of this study was to identify the site of nerve injury in patients with VFP after CEA using magnifying laryngoscopy.

Methods

We performed 96 consecutive CEA procedures in 87 patients over 5 years. After 56 CEA procedures, we examined vocal fold movements with a flexible nasolaryngoscope and detected VFP in 5 of 40 cases (9 %). At 6–8 weeks after CEA, these five patients also underwent magnifying laryngoscopy at another institution by a specialist in vocalization.

Results

We confirmed ipsilateral VFP and pharyngeal paralysis in three patients. The other two patients recovered from their nerve injuries spontaneously before the magnifying examination.

Conclusions

VFP and pharyngeal paralysis were caused by damage to the recurrent laryngeal and pharyngeal nerves. Therefore, the probable site of nerve injury during CEA was near the inferior vagal ganglion of the vagus nerve trunk in our three patients.

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Title: Observation of Vocal Fold and Pharyngeal Paralysis After Carotid Endarterectomy Using a Magnifying Laryngoscope
Authors: Tomonori Tamaki
Yoji Node
Norihiro Saitou
Hideto Saigusa
Publication date: 01-04-2013
Publisher: Springer-Verlag
Published in: World Journal of Surgery / Issue 4/2013
Print ISSN: 0364-2313
Electronic ISSN: 1432-2323
DOI: https://doi.org/10.1007/s00268-013-1920-1

At a glance: The STEP trials

Springer Medicine

Observation of Vocal Fold and Pharyngeal Paralysis After Carotid Endarterectomy Using a Magnifying Laryngoscope

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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