Treatment of vocal fold bowing using neuromuscular electrical stimulation

30 April 2010

Objective: To investigate the clinical effectiveness and safety of a novel behavioral voice therapy program combining structured vocal exercise with adjunctive neuromuscular electrical stimulation for rehabilitating dysphonia secondary to vocal fold bowing.
Results: Glottal closure during phonation improved, and supraglottic compression decreased. Improvements were maintained or enhanced at the 3-month follow-up. Conclusions: Behavioral voice therapy with adjunctive neuromuscular electrical stimulation reduced vocal fold bowing, resulting in improved acoustic, laryngeal, and patient-centered outcomes. Maximum phonation time and glottal closure results imply increased vocal fold tension secondary to enhanced thyroarytenoid or cricothyroid muscle function after voice therapy.
Author(s)	Source
Lagorio LA, Carnaby-Mann GD, Crary MA et al.	Arch Otolaryngol Head Neck Surg, 2010 Apr;136(4):398-403. doi: 10.1001/archoto.2010.33
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