Aerodynamic, acoustic and functional results of posterior transverse laser cordotomy for bilateral abductor vocal fold paralysis

The Journal of Laryngology and Otology
Gürsel Dursun, M Kürşat Gökcan

Abstract

Bilateral abductor vocal fold paralysis (BAVFP) is a rare but life-threatening condition which may require an emergency tracheotomy procedure. The ideal surgical technique for this condition should improve quality of life by relieving the airway obstruction while preserving laryngeal functions such as phonation and deglutition. Posterior transverse laser cordotomy (PTLC) was first described by Dennis and Kashima as a technique for providing an airway at the posterior glottis without pre-operative tracheotomy; they reported it as a successful method with satisfactory functional results. The aim of this prospective study was to evaluate long term acoustic, aerodynamic and functional results of the primary bilateral PTLC technique in 22 BAVFP patients. Severity of dyspnoea was evaluated using a five-level subjective symptom scale graded according to the limitation in daily activity and level of respiratory difficulty. Aerodynamic and acoustic analyses were performed pre-operatively and prospective changes in aerodynamic and acoustic parameters were collected after one post-operative year.

Associated Clinical Trials

Citations

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