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Master Thesis

Marqueurs cliniques et paracliniques d’une lésion du nerf laryngé supérieur : revue de la littérature

Abstract : Background and objective: Although laryngeal electromyography is the current gold standard to diagnose a lesion of the external branch of the superior laryngeal nerve, it is also invasive, complicated, and rarely performed in routine clinical practice. This lesion is therefore underdiagnosed. Identifying the clinical and paraclinical markers most commonly associated with an accurate lesion could help in its clinical identification.
Method: This systematic review of the literature included 7 articles issued or extracted from PubMed, Trip, ScienceDirect, Embase, and Cochrane Library databases. Only articles with a strong or an intermediate level of evidence according to the Haute Autorité de Santé (2013) and with lesion assessed by electromyography were included. Those 7 studies include 396 patients with identified lesions.
Results: Injury to the superior laryngeal nerve is most often accompanied by a decrease in vocal range with loss of high tones, disturbance of intensity, vocal fatigue, hoarseness, and alteration of the fundamental frequency. Endoscopic examinations also show a slowing down of the adduction-abduction mechanism, a vocal fold lag and an asymmetry of amplitude and phase. Finally, we sometimes find a deteriorated vocal self-assessment.
Conclusion: We were able to isolate clinical and paraclinical markers commonly associated with an identified lesion of the superior laryngeal nerve that could help to make the diagnosis. Additional research are necessary such as clinical trials investigating correlations between laryngeal electromyography findings and symptoms.
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Submitted on : Friday, September 10, 2021 - 4:10:44 PM
Last modification on : Monday, January 10, 2022 - 10:54:12 AM


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  • HAL Id : dumas-03341294, version 1


Diane Decès, Solène Le Gall. Marqueurs cliniques et paracliniques d’une lésion du nerf laryngé supérieur : revue de la littérature. Sciences cognitives. 2021. ⟨dumas-03341294⟩



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