Head & neck · 2010
Hydroxyapatite versus titanium implant: Comparison of the functional outcome after vocal fold medialization in unilateral recurrent nerve paralysis.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Storck Claudio, Fischer Claude, Cecon Mikis, Schmid Stephan, Gambazzi Franco, Wolfensberger Markus, Brockmann Meike
Аннотация
BACKGROUND: Results of medialization thyroplasty for treatment of unilateral vocal fold paralysis are often unsatisfactory. This study compares glottal closure and voice quality after use of 2 different medialization implant types: VoCoM and TVFMI.
METHODS: In all, 26 patients with unilateral vocal fold paralysis following thoracic surgery underwent medialization thyroplasty. In 11 patients (group I), a hydroxyapatite implant (VoCoM) was used. In 15 patients (group II), a titanium implant (TVFMI) was used. Preoperative and postoperative glottal closure and voice function were assessed with videostroboscopy, perceptual and objective voice measures, and the Voice Dysfunction Index (VDI).
RESULTS: Group II showed a higher rate of complete glottal closure and greater improvement in perceived hoarseness, maximal phonation time, and maximal voice intensity than those in group I.
CONCLUSIONS: With the individually adjustable titanium implant, better glottal closure and better functional outcome (phonation time and voice quality) were achieved.
METHODS: In all, 26 patients with unilateral vocal fold paralysis following thoracic surgery underwent medialization thyroplasty. In 11 patients (group I), a hydroxyapatite implant (VoCoM) was used. In 15 patients (group II), a titanium implant (TVFMI) was used. Preoperative and postoperative glottal closure and voice function were assessed with videostroboscopy, perceptual and objective voice measures, and the Voice Dysfunction Index (VDI).
RESULTS: Group II showed a higher rate of complete glottal closure and greater improvement in perceived hoarseness, maximal phonation time, and maximal voice intensity than those in group I.
CONCLUSIONS: With the individually adjustable titanium implant, better glottal closure and better functional outcome (phonation time and voice quality) were achieved.