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THE ROLE OF THE THYROARYTENOID MUSCLE IN REGULATING GLOTTAL AIRFLOW AND GLOTTAL CLOSURE IN AN IN VIVO CANINE LARYNX MODEL
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In: Proc Meet Acoust (2021)
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Three-dimensional vocal fold structural change due to implant insertion in medialization laryngoplasty.
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In: PloS one, vol 15, iss 1 (2020)
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Vocal Fundamental Frequency and Sound Pressure Level in Charismatic Speech: A Cross-Gender and -Language Study
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In: ISSN: 0892-1997 ; Journal of Voice ; https://hal.archives-ouvertes.fr/hal-02429571 ; Journal of Voice, Elsevier, 2020, 34 (5), pp.808.e1-808.e13. ⟨10.1016/j.jvoice.2019.04.007⟩ ; https://www-sciencedirect-com (2020)
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Laryngeal strategies to minimize vocal fold contact pressure and their effect on voice production
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In: J Acoust Soc Am (2020)
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| 5 |
Three-dimensional vocal fold structural change due to implant insertion in medialization laryngoplasty
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Abstract:
Glottal insufficiency due to vocal fold paralysis, paresis, or atrophy often leads to degraded voice quality. One of the primary surgical intervention procedures to treat glottal insufficiency is medialization laryngoplasty, in which an implant is inserted through a lateral window on the thyroid cartilage to medialize the vocal folds. While the goal of medialization is to modify the vocal fold structure to restore normal phonation, few studies have attempted to quantify such structural changes of the vocal folds. The goal of this study is to quantify the three-dimensional structural changes of the vocal folds due to implant insertion in medialization laryngoplasty, and evaluate its potential effect on voice production. Medialization laryngoplasty were performed in excised human larynges using implants of different stiffness. Magnetic resonance images of the larynges were obtained with and without implant insertion. The results showed that implant insertion significantly changed the original body-cover structure of the vocal folds, with the implant taking over the large space used to be occupied by the original body layer and the vocal fold being stretched into a thin layer wrapped around the implant. The medial-lateral dimension of the vocal fold was significantly reduced from about 4 mm to 1 mm, and the vocal fold was stretched in the coronal plane by about 70%. It is hypothesized that use of implants with stiffness comparable to that of the vocal folds is beneficial because the degree of medialization can be adjusted without much negative effects on phonation frequency, phonation threshold pressure, or vibration amplitude.
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Keyword:
Research Article
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URL: https://doi.org/10.1371/journal.pone.0228464
http://www.ncbi.nlm.nih.gov/pubmed/31999758
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6991949/
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Effects of Arytenoid Adduction Suture Position on Voice Production and Quality
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In: Laryngoscope (2020)
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Vocal Fundamental Frequency and Sound Pressure Level in Charismatic Speech: A Cross-Gender and -Language Study
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In: J Voice (2019)
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Voice production in a MRI-based subject-specific vocal fold model with parametrically controlled medial surface shape
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In: J Acoust Soc Am (2019)
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Vocal fold contact pressure in a three-dimensional body-cover phonation model
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In: J Acoust Soc Am (2019)
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| 10 |
Compensation strategies in voice production with glottal insufficiency
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Effect of vocal fold stiffness on voice production in a three-dimensional body-cover phonation model
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Regulation of glottal closure and airflow in a three-dimensional phonation model: Implications for vocal intensity control
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Interaction Between the Thyroarytenoid and Lateral Cricoarytenoid Muscles in the Control of Vocal Fold Adduction and Eigenfrequencies
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Toward a unified theory of voice production and perception ; Hacia una teoría unificada de la producción y la percepción de la voz
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In: Loquens; Vol. 1 No. 1 (2014); e009 ; Loquens; Vol. 1 Núm. 1 (2014); e009 ; 2386-2637 ; 10.3989/loquens.2014.v1.i1 (2014)
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The influence of material anisotropy on vibration at onset in a three-dimensional vocal fold model
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Acoustic and perceptual effects of changes in body layer stiffness in symmetric and asymmetric vocal fold modelsa
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The influence of thyroarytenoid and cricothyroid muscle activation on vocal fold stiffness and eigenfrequencies
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Asymmetric vibration in a two-layer vocal fold model with left-right stiffness asymmetry: Experiment and simulation
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