Resumen

WHITE BURGOS, ALFONSO. DESCRIPTION OF THE PERCEIVED IMPACT ON THE QUALITY OF VOICE IN PATIENTS MANAGED WITH POSTERIOR CORDECTOMY AND PARTIAL ARYTENOIDECTOMY BECAUSE OF GLOTTIC STENOSIS. rev.fac.med [online]. 2012, vol.20, n.2, pp.30-37. ISSN 0121-5256.

Glottic stenosis is a rare condition secondary to bilateral vocal cord immobility due primarily to paralysis of neurogenic origin or scarring fibrosis with subsequently disability, often severe, for the passage of air into de lungs through the glottis. This means that often we must resort to performing a tracheostomy as a temporary measure to secure the airway. To recover the glottal patency these patients should undergo surgery which aims to separate the vocal cords to again allow the passage of air into the lower airway. However, the fact of opening de glottic space separating the vocal cords inevitably produces varying degrees of alteration in voice quality. In the present study we make a retrospective descriptive review of cases treated by the author with posterior cordectomy and partial arytenoidectomy between February 2008 and March 2011, and we reported their subjective perception of involvement in their voice using a Spanish version of vocal disability index adapted from the English version of the "Voice Handicap Index" -10 (VHI-10). Of a total of 32 patients undergoing surgery for obstructive glottic stenosis, 28 (17 women and 11 men) aged between 24 and 79 years met the inclusion criteria. In all patients it was possible to remove the tracheostomy recovering the ability to breathe by the natural route and the resulting vocal disability index was in average 10.4 in 18 patients with bilateral paralysis, 14.2 in 6 patients with cicatricial fibrosis. In the other 4 remaining patients the average rate was similar to the previous ones. These values reflect a perception of mild vocal inability. In conclusion, in our series the vocal perception of disability following surgery to regain glottal permeability is slight thus creating added value to therapeutic success at recovering the natural airway in these patients.

Palabras clave : Glottic stenosis; tracheostomy; partial arytenoidectomy; posterior cordectomy; "Voice Handicap Index" - 10 (VHI-10).

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