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.
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http://dx.doi.org/10.1002/hed.21370 | DOI Listing |
J Voice
December 2024
Department of Oto-Rhino-Laryngology and Head and Neck Surgery, AP-HM, Marseille, La Conception University Hospital, Aix-Marseille University, 147 Boulevard Baille, CEDEX 5, 13385 Marseille, France.
Presbyphonia is a multi-dimensional pathology. Therefore, its treatment should address its different affecting factors, including a global health management to fight geriatric frailty, improve overall physical strength, and limit medication side-effects. The specific therapies should address glottal gap closure and vocal folds' pliability.
View Article and Find Full Text PDFJ Acoust Soc Am
December 2024
Department of Head and Neck Surgery, University of California Los Angeles, Los Angeles, California 90095-1794, USA.
Previous studies of laryngeal and respiratory control of the voice source often focus on main effects of individual control parameters but not their interactions. The goal of this study is to systematically identify important interaction effects in laryngeal and respiratory control of the voice source and vocal fold contact pressure in a three-dimensional voice production model. Computational simulations were performed with parametric variations in vocal fold geometry, stiffness, prephonatory glottal gap, and subglottal pressure.
View Article and Find Full Text PDFZhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
December 2024
Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Naval Medical University (Changhai Hospital), Shanghai200433, China.
To explore the efficacy of ansa cervicalis anterior root-recurrent laryngeal nerve (RLN) anastomosis in the treatment of unilateral vocal fold paralysis (UVFP) and to analyze the effect of different pathogenic factors on efficacy. From January 2010 to January 2022, 428 patients (187 males and 241 females) at Changhai Hospital with UVFP who underwent ansa cervicalis anterior root-RLN anastomosis due to thyroid surgery, thoracic surgery, idiopathic vocal ford paralysis or high cranial base injury were analyzed. The course of nerve injury ranged from 6 to 24 months.
View Article and Find Full Text PDFJ Voice
November 2024
Department of Otolaryngology-Head and Neck Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA. Electronic address:
Objectives: Patients with unilateral vocal fold paresis and unfavorable posterior cricoarytenoid (PCA) muscle synkinesis can be challenging to treat with medialization procedures alone. Arytenoid repositioning procedures are generally considered contraindicated in mobile vocal folds. We present two cases of persistent dysphonia following type I thyroplasty for vocal fold paresis that improved after botulinum toxin-A (BTX-A) injection into the PCA muscle.
View Article and Find Full Text PDFJ Speech Lang Hear Res
January 2025
Department of Respiratory Medicine, Second Affiliated Hospital, Xiamen Medical College, China.
Purpose: Previous work suggested that phonation threshold pressure (PTP), phonation threshold flow (PTF), and phonation threshold power (PTW) could be effective aerodynamic measures for quantifying glottal incompetence. This study examined how these measures could reflect varying extent of incomplete glottal closure in individuals with voice disorders.
Method: Thirty individuals formally diagnosed with glottal incompetence, including 10 with hypofunctional disorders (hypo group) and 20 with hyperfunctional disorders (hyper group), and 30 individuals with normal voice (control group) participated in the study.
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