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Stager S, Maryn Y. A Retrospective Study of Acoustic Measures of Glottal Stop Production to Assess Vocal Function in Unilateral Vocal Fold Paresis/Paralysis Patients. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2024; 67:1643-1659. [PMID: 38683058 DOI: 10.1044/2024_jslhr-23-00576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
PURPOSE The aim of this study was to determine (a) diagnostic accuracy of acoustic measures of glottal stop production (GSP; intensity differences, slopes, complete voicing cessation) to distinguish between unilateral vocal fold paresis/paralysis (UVFP) patients and controls; (b) if acoustic measures of GSP significantly correlated with an acoustic measure of voice disorder severity, acoustic voice quality index (AVQI); and (c) if acoustic measures from another type of voicing cessation, voiceless consonant production, also significantly differed between groups. METHOD Ninety-seven patients with unilateral paresis/paralysis and 35 controls with normal laryngostroboscopic signs produced two sets of five repeated [i] and four repeated [isi]. Tokens were randomized by type between groups and analyzed blinded using a customized Praat program that computed intensity differences and slopes between vowel maxima and glottal stop minima for inter-[i] tokens and vowel maxima and voiceless consonant minima for intra-[isi] tokens. The number of voicing cessations for inter-[i] tokens was obtained. RESULTS Onset and offset intensity differences and number of voicing cessations from inter-[i] tokens had the greatest areas under the curve (.854, .856, and .835, respectively). Correlation coefficients were significant (p < .01) between AVQI and all GSP acoustic measures with weak/medium effect sizes. No significant differences were found between controls and participants with UVFP for acoustic measures from intra-[isi]. CONCLUSIONS Acoustic GSP measures demonstrated good diagnostic accuracy and some relationship to severity of voice disorder. No significant differences in acoustic measures for medial voiceless fricative consonants between controls and participants with UVFP suggested that voicing cessation for voiceless fricatives differs from voicing cessation for GSP.
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Affiliation(s)
- Sheila Stager
- Division of Otolaryngology, Department of Surgery, GW Medical Faculty Associates Voice Treatment Center, Washington, DC
| | - Youri Maryn
- ENT Department, GZA Sint-Augustinus, European Institute for ORL-HNS, Antwerp, Belgium
- Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, University of Ghent, Belgium
- School of Speech Therapy, Faculty of Psychology and Educational Sciences, Université Catholique Louvain, Louvain-La-Neuve, Belgium
- Department of Speech-Language Therapy and Audiology, University College Ghent, Belgium
- Phonanium, Lokeren, Belgium
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Hernández-Sandemetrio R, Oishi N, López-Sánchez I, García-López I, Zapater E. Validation of the 10-Item Unilateral Vocal Fold Paralysis-Handicap Index quality of life questionnaire. Clin Otolaryngol 2024; 49:185-190. [PMID: 37926511 DOI: 10.1111/coa.14120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/14/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVES To validate and test the reliability of the 10-Item Unilateral Vocal Fold Paralysis-Voice Handicap Index (UVFP-HI-10) quality of life (QoL) questionnaire for patients with UVFP. DESIGN Prospective describe study based on perceptive surveys. PARTICIPANTS We recruited 61 patients with UVFP and 53 healthy individuals comprised the control group. MAIN OUTCOME MEASURES Both the patients and controls completed the UVFP-HI-10 questionnaire. A statistical analysis was performed to assess the internal consistency and validity of the survey. In addition, maximum phonation time (MPT) was used to objectively measure patient QoL. RESULTS Internal consistency was high (α = .914) and the correlation with MPT was significant (rs = -0.722). The estimated marginal mean in the discriminant validity study was around seven times higher in the UVFP group compared to the controls. The UVFP-HI-10 cut-off value was more than 0.9 and the sensitivity and specificity were more than 0.8. CONCLUSIONS The UVFP-HI-10 is a self-administered patient-reported outcome questionnaire with a high reliability and excellent criterion-based validity. This questionnaire can be used to evaluate specific clinical complaints (e.g., vocalisation, swallowing, and breathing) in terms of their impact on QoL in patients with UVFP. Thus, its use is appropriate as a basic assessment tool as part of a specific UVFP treatment protocol.
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Affiliation(s)
| | - Natsuki Oishi
- ENT Department, University General Hospital of Valencia, Valencia School of Medicine, Valencia, Spain
| | - Isabel López-Sánchez
- ENT Department, University General Hospital of Valencia, Valencia School of Medicine, Valencia, Spain
| | | | - Enrique Zapater
- ENT Department, University General Hospital of Valencia, Valencia School of Medicine, Valencia, Spain
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Niermeyer W, Diao G, Bielamowicz SA, Stager SV. Predicting Airflow from Measures Sensitive to Mid-cord Glottal Gap During the COVID-19 Pandemic. Ann Otol Rhinol Laryngol 2023; 132:1543-1549. [PMID: 37096374 DOI: 10.1177/00034894231170937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
OBJECTIVES To determine if trans-laryngeal airflow, important in assessing vocal function in paresis/paralysis and presbylarynges patients with mid-cord glottal gaps, could be predicted by other measures sensitive to mid-cord glottal gap size but with smaller risks of spreading COVID-19, and if any patient factors need consideration. METHODS Four populations were: unilateral vocal fold paresis/paralysis (UVFP, 148), aging and UVFP (UVFP plus aging, 22), bilateral vocal fold paresis/paralysis without airway obstruction (BVFP, 49), and presbylarynges (66). Five measures were selected from the initial clinic visit: mean airflow from repeated /pi/ syllables, longer of 2 /s/ and 2 /z/ productions, higher of 2 cepstral peak prominence smoothed for vowel /a/ (CPPSa), and Glottal Function Index (GFI). S/Z ratios were computed. Stepwise regression models used 3 measures and 5 patient factors (age, sex, etiology, diagnosis, and potentially impaired power source for voicing) to predict airflow. RESULTS Log-transformations were required to normalize distributions of airflow and S/Z ratio. The final model revealed age, sex, impaired power source, log-transformed S/Z ratio, and GFI predicted log-transformed airflow (R2 = .275, F[5,278] = 21.1; P < .001). CONCLUSIONS The amount of variance explained by the model was not high, suggesting adding other predictive variables to the model might increase the variance explained.
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Affiliation(s)
- Weston Niermeyer
- Division of Otolaryngology, The George Washington University, Washington, DC, USA
| | - Guoqing Diao
- Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, The George Washington University, Washington, DC, USA
| | - Steven A Bielamowicz
- Division of Otolaryngology, The George Washington University, Washington, DC, USA
| | - Sheila V Stager
- Division of Otolaryngology, The George Washington University, Washington, DC, USA
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Hasukawa A, Mochizuki R, Sakamoto H, Shibano A, Kitahara T. Type I Thyroplasty or Fat Injection Laryngoplasty Versus Arytenoid Adduction: Effects of Surgery on Voice Recovery in Patients With Unilateral Vocal Fold Paralysis. EAR, NOSE & THROAT JOURNAL 2023:1455613231176153. [PMID: 37203347 DOI: 10.1177/01455613231176153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Objective: Type I (medialization) thyroplasty (MT), fat injection laryngoplasty (FIL), and arytenoid adduction (AA) are the 3 most common surgical treatments for unilateral vocal fold paralysis (UVFP). While MT and FIL involve medialization of the paralyzed vocal fold, the goal of AA is to reduce the glottal-level difference. The current study compared the effects of these surgical treatments on voice quality in patients with UVFP. Methods: This retrospective study included 87 patients with UVFP who underwent MT (n = 12), FIL (n = 31), AA (n = 6), or AA with MT (n = 38). Patients who underwent the former 2 surgical treatments were included in the thyroplasty (TP) group, while those who underwent the latter 2 were included in the AA group. Maximum phonation time (MPT), pitch period perturbation quotient (PPQ), amplitude perturbation quotient, and harmonic-to-noise ratio (HNR) were evaluated in all patients before and 1 month after surgery. Results: The TP group exhibited significant improvements in MPT (P < .001) and PPQ (P = .012), while the AA group exhibited significant improvements in all parameters (P < .001). Before surgery, voice quality was significantly worse in the AA group than in the TP group for all measures. However, there were no significant differences between the groups after treatment. Conclusion: Surgeries in both groups were effective for voice recovery in patients with UVFP under the appropriate surgical selection. Our results also highlight the importance of preoperative evaluation and the potential value of etiology for selecting the appropriate procedure.
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Affiliation(s)
- Akihito Hasukawa
- Department of Otolaryngology and Head and Neck Surgery, Nara Medical University, Nara, Japan
- Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Osaka, Japan
| | - Ryuichi Mochizuki
- Department of Otolaryngology and Head and Neck Surgery, Nara Medical University, Nara, Japan
- Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Osaka, Japan
- Sakamoto ENT Clinic, Osaka, Japan
| | | | - Akira Shibano
- Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Osaka, Japan
| | - Tadashi Kitahara
- Department of Otolaryngology and Head and Neck Surgery, Nara Medical University, Nara, Japan
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Bullock L, Toles LE, Hillman RE, Mehta DD. Acoustic-Aerodynamic Voice Outcome Ratios Identify Changes in Vocal Function Following Vocal Fold Medialization for Unilateral Vocal Fold Paralysis. J Voice 2023:S0892-1997(23)00104-2. [PMID: 37068982 PMCID: PMC10576834 DOI: 10.1016/j.jvoice.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 04/19/2023]
Abstract
PURPOSE This study aimed to determine whether ratio-based measures that combine acoustic (output) and aerodynamic (input) parameters detect postoperative change in vocal function following vocal fold medialization for unilateral vocal fold paralysis. METHOD Pre- and postoperative acoustic and aerodynamic measures were analyzed retrospectively from 149 patients who underwent vocal fold medialization for unilateral vocal fold paralysis. A 2 × 2 repeated-measures analysis of variance was conducted for each of four acoustic-aerodynamic ratios-traditional vocal efficiency (VE), sound pressure level to aerodynamic power (SPL/AP), SPL to average airflow (SPL/AFLOW), and SPL to subglottal pressure (SPL/Ps)-to investigate the main effects and interaction of treatment stage and loudness level (comfortable and loud). RESULTS The patient group showed significant postoperative improvements in self reports of vocal function (voice-related quality of life) and clinical auditory-perceptual judgments of dysphonia (consensus auditory-perceptual evaluation of voice). Main effects for both treatment stage and loudness level were statistically significant for all measures except SPL/Ps. There were interaction effects for VE and SPL/AP, suggesting that magnitude of the treatment effect differs based on loudness. SPL/AFLOW had medium-to-large effect sizes in both loudness conditions. There were postoperative changes in SPL/Ps that were dependent on the magnitude of the reduction in AFLOW; as expected, SPL/Ps increased postoperatively in a subgroup that had large postoperative reductions in AFLOW at the comfortable loudness level. CONCLUSIONS Acoustic-aerodynamic ratios can aid in tracking changes in vocal function following vocal fold medialization. SPL/AFLOW exhibited the largest effect size, which is expected since a reduction in abnormally high AFLOW typically accompanies the increased modulation of glottal air flow associated with successful vocal fold medialization. Future study is needed to model physiological changes in acoustic-aerodynamic voice outcome ratios across different types of voice disorders.
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Affiliation(s)
- Latané Bullock
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston, Massachusetts; Division of Medical Sciences, Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, Massachusetts
| | - Laura E Toles
- Department of Otolaryngology-Head and Neck Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Robert E Hillman
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston, Massachusetts; Division of Medical Sciences, Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, Massachusetts; Department of Surgery, Harvard Medical School, Boston, Massachusetts; School of Health and Rehabilitation Sciences, MGH Institute of Health Professions, Boston, Massachusetts
| | - Daryush D Mehta
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston, Massachusetts; Division of Medical Sciences, Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, Massachusetts; Department of Surgery, Harvard Medical School, Boston, Massachusetts; School of Health and Rehabilitation Sciences, MGH Institute of Health Professions, Boston, Massachusetts.
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陈 仁, 吴 敏, 杨 金, 陈 文, 梁 发. [Predictive value of strobovideolaryngoscopy, acoustic and aerodynamic measures in the prognosis of temporally unilateral vocal fold paralysis after thyroidectomy]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2022; 36:776-780. [PMID: 36217658 PMCID: PMC10128561 DOI: 10.13201/j.issn.2096-7993.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Indexed: 06/16/2023]
Abstract
Objective:To investigate the strobovideolaryngoscopy, acoustic and aerodynamic characteristics of transient unilateral vocal ford paralysis(UVFP) after thyroidectomy. Methods:A retrospective analysis was made of 11 patients with temporary UVFP after thyroidectomy who were treated in Department of Otolaryngology and Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University from January 2013 to March 2021; 8 patients with permanent UVFP after thyroidectomy during the same period were included as a control group. The differences in baseline strobovideolaryngoscopy, acoustic and aerodynamic measures were compared between the two groups. Results:The tones of patients with temporary UVFP after thyroidectomy were all normal, and the proportions of abnormal vocal fords(vocal ford bowing, atrophy, and shortening), ventricular adduction and glottic insufficiency were significantly lower than those of permanent UVFP patients; arytenoid cartilage stability and height mismatch of vocal ford tended to be better than permanent UVFP. The maximal phonation time(MPT) in patients with temporary UVFP was (8.5±4.1) s, which was significantly longer than (3.9±2.1) s in patients with permanent UVFP; fundamental frequency, mean airflow(MeAF) and mean subglottic pressure(SGP) were better in temporary UVFP than those in patients with permanent UVFP, but the difference did not reach statistical significance. Conclusion:None and mild glottic insufficiency, normal tone, ventricular adduction, and vocal ford appearances without vocal fold bowing, atrophy, and shortening, can be served as the predictors for the early recovery of vocal ford movement in temporary UVFP after thyroidectomy. The MPT less than 4 s, and MeAF, and SGP remarkably increased is the predictor of poor prognosis for vocal ford recovery.
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Affiliation(s)
- 仁辉 陈
- 中山大学孙逸仙纪念医院耳鼻咽喉头颈外科(广州,510210)Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - 敏健 吴
- 中山大学孙逸仙纪念医院耳鼻咽喉头颈外科(广州,510210)Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - 金珊 杨
- 中山大学孙逸仙纪念医院耳鼻咽喉头颈外科(广州,510210)Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - 文君 陈
- 中山大学孙逸仙纪念医院耳鼻咽喉头颈外科(广州,510210)Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
| | - 发雅 梁
- 中山大学孙逸仙纪念医院耳鼻咽喉头颈外科(广州,510210)Department of Otolaryngology Head and Neck Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China
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Mari G, Marchese MR, Longobardi Y, Proietti I, Marenda ME, Di Cesare T, D'Alatri L. Voice Telerehabilitation in Iatrogenic Unilateral Vocal Fold Paralysis: From Necessity to Opportunity in the COVID-19 Time. J Voice 2022:S0892-1997(22)00108-4. [PMID: 35641380 DOI: 10.1016/j.jvoice.2022.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/05/2022] [Accepted: 04/05/2022] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To evaluate results of telerehabilitation (TR) during the coronavirus disease 2019 pandemic for the treatment of dysphonia caused by permanent post-thyroidectomy unilateral vocal fold paralysis (UVFP). METHODS Forty subjects with post-thyroidectomy UVFP (onset <1 month) underwent TR. Videostrobolaryngoscopy, acoustic and perceptual voice analysis and patient self-assessment were carried out in person before, at the end of TR and 6 months later. RESULTS Twenty-five subjects spontaneously recovered full vocal fold motility at some time during follow-up, whereas 15 had a permanent UVFP at the end of the follow-up period. These subjects constituted our study group. At the early posttherapy control 10/15 subjects (66.6%) showed a complete glottal closure, while in 5/15 (33.3%) a glottal gap remained (P = 0.03). These results did not change 6 months after TR. At the late posttherapy control the maximum phonation time improved significantly (P = 0.02). Both post-therapy Voice Handicap Index scores were significantly lower than the pre-therapy ones (P = 0.04). Grade, Breathiness, and Asthenia parameters of the Grade-Roughness-Breathiness-Asthenia-Strain scale improved 6 months after TR (P < 0.05). The number of voice signals suitable for acoustic analysis increased significantly after therapy. Finally, 87% of patients were satisfied with TR. CONCLUSIONS With careful patient selection, TR may be considered as a promising method for voice therapy in postthyroidectomy UVFP.
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Affiliation(s)
- Giorgia Mari
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
| | - Maria Raffaella Marchese
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia.
| | - Ylenia Longobardi
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
| | - Ilaria Proietti
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
| | - Maria Elisabetta Marenda
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia
| | - Tiziana Di Cesare
- Sezione di Otorinolaringoiatria, Dipartimento Universitario Testa-Collo e Organi di Senso, Università Cattolica del Sacro Cuore, Roma, Italia
| | - Lucia D'Alatri
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italia; Sezione di Otorinolaringoiatria, Dipartimento Universitario Testa-Collo e Organi di Senso, Università Cattolica del Sacro Cuore, Roma, Italia
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Hsieh LC, Chen CK, Chang CW, Leu YS, Ho GM. Preliminary Clinical Outcomes of VOIS-Implant in Patients With Unilateral Vocal Fold Paralysis. Laryngoscope 2021; 132:1622-1629. [PMID: 34817072 DOI: 10.1002/lary.29958] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/07/2021] [Accepted: 11/15/2021] [Indexed: 11/08/2022]
Abstract
OBJECTIVES/HYPOTHESIS Evaluation of the clinical outcomes after 6 months of treatment with a novel adjustable implant, the APrevent® Vocal-Implant-System (VOIS), in conjunction with medialization thyroplasty (MT) in patients with unilateral vocal fold paralysis. STUDY DESIGN Prospective case series study at single tertiary referral center. METHODS Preoperative and 1 week, 7 weeks, and 6 months postoperative glottal efficiency (maximum phonation time [MPT]), voice quality (including GRBAS-scores and acoustic parameters) and self-perceived voice-related handicap (voice handicap index [VHI-30]) were measured and analyzed, whereas type of vocal fold closure was evaluated and determined by flexible videolaryngoscopy based on Södersten and Lindestad classification (Wilcoxon signed-rank test). RESULTS Thirteen patients underwent MT with VOIS under local anesthesia. Six months after surgery, the VHI-30 and MPT had improved from a preoperative mean of 75.0 ± 22.9 and 2.7 ± 2.1 s to a postoperative mean of 20.6 ± 19.7 and 6.3 ± 4.0 s, respectively. The mean GRBAS score improved from preoperative scores of Gpreop = 2.7, Rpreop = 2.6, Bpreop = 2.6, Apreop = 2.2, and Spreop = 2.0 to Gpostop = 0.3, Rpostop = 0.3, Bpostop = 0.2, Apostop = 0.2, and Spostop = 0.3 at 6 months postoperatively. Improved glottal closure was achieved in all patients (n = 13). Five patients received postoperative adjustment for the optimization of voice quality and glottal closure. No intra- or postoperative complications were observed. Significant improvements in acoustic parameters, including percentage jitter, percentage shimmer, and signal-to-noise ratio, were also observed after MT. All results were statistically significant (P < .05, Cohen's d > .8). CONCLUSIONS APrevent® VOIS-Implantation is a safe procedure with good voice outcomes. Postoperative adjustments can be performed smoothly to optimize voice quality and glottal closure. LEVEL OF EVIDENCE III Laryngoscope, 2021.
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Affiliation(s)
- Li-Chun Hsieh
- Department of Otolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan.,Department of Audiology and Speech Language Pathology, Mackay Medical College, Taipei, Taiwan
| | - Chin-Kuo Chen
- Communication Enhancement Center and Department of Otolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chin-Wen Chang
- Department of Otolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan.,Department of Audiology and Speech Language Pathology, Mackay Medical College, Taipei, Taiwan
| | - Yi-Shing Leu
- Department of Otolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan
| | - Guan-Min Ho
- Department of Otolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan.,Yomin ENT and Pediatric Clinic, APrevent Medical, Taipei, Taiwan
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Active Ingredients of Voice Therapy for Muscle Tension Voice Disorders: A Retrospective Data Audit. J Clin Med 2021; 10:jcm10184135. [PMID: 34575246 PMCID: PMC8469541 DOI: 10.3390/jcm10184135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/30/2022] Open
Abstract
Background: Although voice therapy is the first line treatment for muscle-tension voice disorders (MTVD), no clinical research has investigated the role of specific active ingredients. This study aimed to evaluate the efficacy of active ingredients in the treatment of MTVD. A retrospective review of a clinical voice database was conducted on 68 MTVD patients who were treated using the optimal phonation task (OPT) and sob voice quality (SVQ), as well as two different processes: task variation and negative practice (NP). Mixed-model analysis was performed on auditory–perceptual and acoustic data from voice recordings at baseline and after each technique. Active ingredients were evaluated using effect sizes. Significant overall treatment effects were observed for the treatment program. Effect sizes ranged from 0.34 (post-NP) to 0.387 (post-SVQ) for overall severity ratings. Effect sizes ranged from 0.237 (post-SVQ) to 0.445 (post-NP) for a smoothed cepstral peak prominence measure. The treatment effects did not depend upon the MTVD type (primary or secondary), treating clinicians, nor the number of sessions and days between sessions. Implementation of individual techniques that promote improved voice quality and processes that support learning resulted in improved habitual voice quality. Both voice techniques and processes can be considered as active ingredients in voice therapy.
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Ryu CH, Lee SJ, Cho JG, Choi IJ, Choi YS, Hong YT, Jung SY, Kim JW, Lee DY, Lee DK, Lee SJ, Lee YC, Lee YS, Nam IC, Park KN, Park YM, Sung ES, Son HY, Seo IH, Lee BJ, Lim JY. Care and Management of Voice Change for Thyroid Surgery: Korean Society of Laryngology, Phoniatrics and Logopedics Clinical Practice Guideline. Clin Exp Otorhinolaryngol 2021; 15:24-48. [PMID: 34098629 PMCID: PMC8901944 DOI: 10.21053/ceo.2021.00633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/31/2021] [Indexed: 11/22/2022] Open
Abstract
Voice change is a common complaint after thyroid surgery and has significant impacts on quality of life. The Korean Society of Laryngology, Phoniatrics, and Logopedics set up a task force team to establish guideline recommendations on education, care, and management related to thyroid surgery. The guideline recommendations include preoperative voice education, management of anticipated voice change during surgery, and comprehensive voice care after thyroid surgery, including in-depth information and up-to-date knowledge based on validated literature. The committee constructed 14 key questions (KQ) in three categories: preoperative (KQ1-2), intraoperative (KQ 3-8), and postoperative (KQ 9-14) management and developed 18 evidence-based recommendations. The Delphi survey reached an agreement on each recommendation. Detailed evidence profiles are presented for each recommendation. The level of evidence for each recommendation is classified into high, moderate, and low-quality. The recommendation's strengths are adjusted to consider the level of evidence resulting in the recommendation and are divided into strong and weak. The guidelines are primarily targeted toward physicians who treat thyroid surgery patients and speech-language pathologists participating in patient care. These guidelines will also help primary care physicians, nurses, healthcare policymakers, and patients improve their understanding of voice changes and voice care after thyroid surgery.
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Affiliation(s)
| | - Chang Hwan Ryu
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Seung Jin Lee
- Division of Speech Pathology and Audiology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon, Korea
| | - Jae-Gu Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Ik Joon Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Korea Institute of Radiological Medical Sciences, Seoul, Korea
| | - Yoon Seok Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Yeungnam University, College of Medicine, Daegu, Korea
| | - Yong Tae Hong
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, Jeonbuk National University Hospital, Jeonju, Korea
| | - Soo Yeon Jung
- Department of Otorhinolaryngology Head and Neck Surgery, Ewha Womans University, College of Medicine, Seoul, Korea
| | - Ji Won Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Inha University, College of Medicine, Incheon, Korea
| | - Doh Young Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University, College of Medicine, Seoul, Korea
| | - Dong Kun Lee
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, Dong-A University, Busan, Korea
| | - Sang Joon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Dankook University, College of Medicine, Cheonan, Korea
| | - Young Chan Lee
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, Kyung Hee University, Seoul, Korea
| | - Yong Sang Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Inn Chul Nam
- Department of Otorhinolaryngology Head and Neck Surgery, The Catholic University of Korea, College of Medicine, Seoul, Korea
| | - Ki Nam Park
- Department of Otorhinolaryngology Head and Neck Surgery, Soonchunhyang University, College of Medicine, Bucheon, Korea
| | - Young Min Park
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Eui-Suk Sung
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Hee Young Son
- Department of Otorhinolaryngology Head and Neck Surgery, Dongnam Institute Of Radiological & Medical Sciences, Busan, Korea
| | - In Hyo Seo
- Voice & Speech Clinic, College of Medicine, Dankook University, Cheonan, Korea
| | - Byung-Joo Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Jae-Yol Lim
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
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11
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Medeiros N, Castro MEM, van Lith-Bijl JT, Desuter GRR. A Systematic Review on Surgical Treatments for Sulcus Vocalis and Vocal Fold Scar. Laryngoscope 2021; 132:822-830. [PMID: 34057225 DOI: 10.1002/lary.29665] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/29/2021] [Accepted: 05/05/2021] [Indexed: 01/20/2023]
Abstract
OBJECTIVES/HYPOTHESIS Vocal fold sulcus and scars are benign vocal fold lesions that present as a challenge to the laryngologist. A number of different surgical techniques have been proposed, aiming at restoring the lamina propria (LP), closing the glottal gap, or both. This study aimed to provide a systematic review of surgical treatment for sulcus and scar and to propose a new classification for these techniques. STUDY DESIGN A literature search using MEDLINE and Google Scholar through August 2020. METHODS Data on study design were retrieved and outcomes were classified as acoustic, aerodynamic, self-reported, perceptual, and stroboscopic. Methodological quality was assessed using the MINORs criteria. Each technique was classified as direct, indirect, or combined. RESULTS Our search included 31 studies with a total of 617 patients. Direct techniques included dissection, graft interposition, or LP regeneration/scar degradation while indirect techniques aimed for glottal gap closure. Only one article performed a comparison between different types of techniques and only eight studied the five types of outcomes. No superiority of any technique was noted in our analysis. Self-reported outcomes were the most frequently improved. CONCLUSIONS There seems to not exist a one-fits-all treatment for this clinical picture and no clear decision-making pattern. A recent trend toward sequential approaches, starting with less invasive procedures, can be observed. Laryngoscope, 2021.
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Affiliation(s)
- Nuno Medeiros
- Voice and Swallowing Clinic, Department of Otolaryngology Head and Neck Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium.,Department of Otolaryngology, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal
| | | | - Julie Titske van Lith-Bijl
- Voice and Swallowing Clinic, Department of Otolaryngology Head and Neck Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium.,Department of Otolaryngology, Flevoziekenhuis, Almere, The Netherlands
| | - Gauthier René Raymond Desuter
- Voice and Swallowing Clinic, Department of Otolaryngology Head and Neck Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium
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12
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Lateralization of the Vocal Fold: Results of an Exclusive Transoral Approach. J Voice 2021; 35:468-476. [DOI: 10.1016/j.jvoice.2019.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/14/2019] [Accepted: 11/14/2019] [Indexed: 11/20/2022]
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Patient-Related Factors of Medialization Laryngoplasty with Autologous Thyroid Cartilage. Healthcare (Basel) 2020; 8:healthcare8040521. [PMID: 33266030 PMCID: PMC7711452 DOI: 10.3390/healthcare8040521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 11/18/2022] Open
Abstract
(1) Background: Medialization laryngoplasty with autologous thyroid cartilage (MLATC) is a surgical treatment for glottal closure insufficiency (GCI) resulted from unilateral vocal fold paralysis/paresis (UVFP) and vocal fold atrophy. We aimed to survey the influence of patient-related factors on the outcomes after MLATC. (2) Methods: The study enrolled 35 patients with GCI who underwent MLATC. Patient voice data were recorded before and after MLATC by using multiple acoustic parameters and subjective assessment in a computerized speech laboratory. GCI patients were characterized into subgroups based on three factors: age, ≥60 vs. <60 years; sex, men vs. women; and BMI, ≥24 vs. <24. (3) Results: When the subgroups were compared, men did not have better results after surgery than women. Patients ages < 60 years did not exhibit any significantly different outcome compared with those aged ≥ 60 years. Patients with BMI ≥ 24 did not have any significantly different outcome compared with those with BMI < 24. The subgroups of age, sex, and BMI had no significant difference in cumulative voice recovery and summation of GRBAS (G = grade, R = roughness, B = breathiness, A = asthenia, and S = strain). (4) Conclusions: MLATC is a good alternative surgery with long-term improvement in GCI patients. There is no evidence that age, sex, or BMI affect the functional outcome.
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Hasukawa A, Mochizuki R, Sakamoto H, Shibano A, Kitahara T. Surgical effects of type-I thyroplasty and fat injection laryngoplasty on voice recovery. Auris Nasus Larynx 2020; 48:302-309. [PMID: 32958328 DOI: 10.1016/j.anl.2020.08.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/18/2020] [Accepted: 08/27/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Type-I thryroplasty, also known as medialization thyroplasty (MT) and autologous fat injection laryngoplasty (FIL) are one of the main surgical treatments for unilateral vocal fold paralysis (UVFP). Both procedures have the same concept of completing the glottal closure by medializing the vocal fold, although the surgical approaches are quite different. In order to assess these surgical effects, we examined the treatment outcomes and benefits of the two surgeries. METHODS We collected data from the 135 phonosurgeries that we performed out of 375 patients with UVFP at Osaka Voice Center, Osaka Kaisei Hospital from January 2009 to February 2013. After excluding cases with glottal level differences on phonation, either MT or FIL were performed on 80 cases. The inclusion criteria for the present study were: (1) patients had no history of previous phonosurgery, and (2) functional evaluations were available before/after surgery. Consequently, 43 participants (12 for MT and 31 for FIL) were enrolled in this study. Surgical effects were evaluated by means of the maximum phonation time (MPT), pitch period perturbation quotient (PPQ), amplitude perturbation quotient (APQ), and harmonic to noise ratio (HNR) just before, one month, and 6 months after surgery. RESULTS Both MT and FIL showed significant improvement in MPT (MT, p = 0.005; FIL, p < 0.001) and PPQ (MT, p = 0.047; FIL, p = 0.041) at 1 month postoperation. We also compared the variation of each variable between the two procedures, but there were no significant differences in these parameters. However, MPT, APQ, and HNR at the post-MT after 6 months worsened compared to those at 1 month posttreatment, whereas MPT showed only a slight decrease from the 1st month to the 6th month in those with FIL. CONCLUSION Both MT and FIL were effective for the voice recovery in patients with UVFP. Our findings suggest that surgical results in FIL might be better than those in MT 6 months after surgery, although there were no significant differences between these two procedures 1 month postoperation.
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Affiliation(s)
- Akihito Hasukawa
- Department of Otolaryngology and Head & Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara 634-8522, Japan; Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Japan.
| | - Ryuichi Mochizuki
- Department of Otolaryngology and Head & Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara 634-8522, Japan; Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Japan; Sakamoto ENT clinic, Japan
| | | | - Akira Shibano
- Department of Otolaryngology and Osaka Voice Center, Osaka Kaisei Hospital, Japan
| | - Tadashi Kitahara
- Department of Otolaryngology and Head & Neck Surgery, Nara Medical University, 840 Shijo-cho, Kashihara-city, Nara 634-8522, Japan
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Ryu CH, Kwon TK, Kim H, Kim HS, Park IS, Woo JH, Lee SH, Lee SW, Lim JY, Kim ST, Jin SM, Choi SH. Guidelines for the Management of Unilateral Vocal Fold Paralysis From the Korean Society of Laryngology, Phoniatrics and Logopedics. Clin Exp Otorhinolaryngol 2020; 13:340-360. [PMID: 32877965 PMCID: PMC7669319 DOI: 10.21053/ceo.2020.00409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 04/13/2020] [Indexed: 01/08/2023] Open
Abstract
The Korean Society of Laryngology, Phoniatrics and Logopedics appointed a task force to establish clinical practice guidelines for the management of unilateral vocal fold paralysis (UVFP). These guidelines cover a comprehensive range of management-related factors, including the diagnosis and treatment of UVFP, and provide in-depth information based on current, up-to-date knowledge. Detailed evidence profiles are provided for each recommendation. The CORE databases, including OVID Medline, Embase, the Cochrane Library, and KoreaMed, were searched to identify all relevant papers, using a predefined search strategy. When insufficient evidence existed, expert opinions and Delphi questionnaires were used to fill the evidence gap. The committee developed 16 evidence-based recommendations in six categories: initial evaluation (R1–4), spontaneous recovery (R5), medical treatment (R6), surgical treatment (R7–14), voice therapy (R15), and aspiration prevention (R16). The goal of these guidelines is to assist general otolaryngologists and speech-language pathologists who are primarily responsible for treating patients with UVFP. These guidelines are also intended to facilitate understanding of the condition among other health-care providers, including primary care physicians, nurses, and policy-makers.
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Affiliation(s)
| | | | - Chang Hwan Ryu
- Department of Otorhinolaryngology-Head Neck Surgery, National Cancer Center, Goyang, Korea
| | - Tack-Kyun Kwon
- Department of Otorhinolaryngology-Head Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Heejin Kim
- Department of Otorhinolaryngology-Head Neck Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Han Su Kim
- Department of Otorhinolaryngology-Head Neck Surgery, Ewha Womans University College of Medcine, Seoul, Korea
| | - Il-Seok Park
- Department of Otorhinolaryngology-Head Neck Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea
| | - Joo Hyun Woo
- Department of Otorhinolaryngology-Head Neck Surgery, Gachon University College of Medicine, Incheon, Korea
| | - Sang-Hyuk Lee
- Department of Otorhinolaryngology-Head Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung Won Lee
- Department of Otorhinolaryngology-Head Neck Surgery, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Jae-Yol Lim
- Department of Otorhinolaryngology-Head Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Seong-Tae Kim
- Department of Speech-Language Pathology, Dongshin University, Naju, Korea
| | - Sung-Min Jin
- Department of Otorhinolaryngology-Head Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung Ho Choi
- Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Delgado-Vargas B, Acle-Cervera L, Sánz-López L, Bonet-Loscertales M, Pérez-Naranjo N, Fuentes-Navajo P. Cepstral analysis in patients with a vocal fold motility impairment: advantages of the cepstrum over time-based acoustic analysis. Eur Arch Otorhinolaryngol 2020; 278:173-179. [PMID: 32839861 DOI: 10.1007/s00405-020-06291-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/11/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To determine the usefulness of the smoothed cepstral peak prominence (CPPS) in sustained vowel as objective measure of dysphonia. STUDY DESIGN This is a retrospective cohort study. 49 patients presenting a vocal cord motility impairment between 2012 and 2018 were included. METHODS Classical acoustic parameters, including jitter, shimmer and NHR, as well as the CPPS were obtained for each patient with a vocal cord motility impairment confirmed by means of a fiberoptic laryngoscopy. We calculated the S/E ratio of each patient to establish the glottal efficiency. An independent sample t test and a Pearson correlation test were used to compare data. RESULTS Patients presenting a vocal cord motility impairment present abnormal values of the CPPS. Those patients presenting a vocal cord paralysis present lower values of those presenting a vocal cord paresis, with statistically significant difference (P < 0.005). CPPS and the S/E ratio present a moderate negative correlation (- 0.29). CONCLUSIONS Subjects with a vocal cord motility impairment present abnormal values for CPPS and those values are lower, the greater the motility impairment is. Therefore, CPPS presents as an objective, measurable and reproducible acoustic parameter of dysphonia that will improve the evaluation of patients presenting vocal pathologies.
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Affiliation(s)
- Beatriz Delgado-Vargas
- Otolaryngology Department, Hospital Universitario de la Princesa, Calle Diego de León 62, 28006, Madrid, Spain.
| | - Leticia Acle-Cervera
- Otolaryngology Department, Hospital Universitario de Torrejón, Torrejón de Ardoz, Spain
| | - Lorena Sánz-López
- Otolaryngology Department, Hospital Universitario de Torrejón, Torrejón de Ardoz, Spain
| | | | - Narcisa Pérez-Naranjo
- Rehabilitation Department, Hospital Universitario de Torrejón, Torrejón de Ardoz, Spain
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Watanabe K, Sato T, Honkura Y, Kawamoto-Hirano A, Kashima K, Katori Y. Characteristics of the Voice Handicap Index for Patients With Unilateral Vocal Fold Paralysis Who Underwent Arytenoid Adduction. J Voice 2020; 34:649.e1-649.e6. [DOI: 10.1016/j.jvoice.2018.12.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/20/2018] [Accepted: 12/20/2018] [Indexed: 11/28/2022]
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Jeong GE, Lee DH, Lee YS, Ahn DS, Lee DK, Choi SH, Nam SY, Kim SY. Treatment Efficacy of Voice Therapy Following Injection Laryngoplasty for Unilateral Vocal Fold Paralysis. J Voice 2020; 36:242-248. [PMID: 32600870 DOI: 10.1016/j.jvoice.2020.05.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Injection laryngoplasty (IL) is performed to reduce the gap between vocal folds induced by unilateral vocal fold paralysis (UVFP). Voice quality after IL may be different due to other factors that influence voice quality. Voice therapy has been reported to improve voice quality after IL in patients with UVFP. This study evaluated the efficacy of voice therapy combined with IL. METHODS Patients with UVFP who underwent IL as primary therapy from March 2017 to June 2019 were evaluated. The enrolled patients were divided into two groups, those who did and did not receive voice therapy after IL. Voice quality was evaluated using perceptual, acoustic, and aerodynamic parameters, and voice handicap index-30 scores one month after IL and after completing each treatment. RESULTS Of 261 patients who underwent IL during the study period, 40 were enrolled, including 21 who did and 19 who did not receive voice therapy. Voice parameters one month after IL did not differ between these two groups. Jitter, shimmer, noise-to-harmonic ratio, and mean flow rate decreased, while maximum phonation time increased after voice therapy (both P < 0.05). In the absence of voice therapy, improved voice parameters were maintained for six months after IL. Total voice handicap index-30 scores decreased, from 35.6 to 19.1 (P < 0.05), in patients who received voice therapy. CONCLUSION Voice therapy following IL is beneficial to patients with UVFP. Combined treatment can help to maintain improved voice quality more than six months after IL.
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Affiliation(s)
- Go-Eun Jeong
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Dam Hee Lee
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Yoon Se Lee
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine.
| | - Dae Seong Ahn
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Dong Kyu Lee
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Seung-Ho Choi
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Soon Yuhl Nam
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
| | - Sang Yoon Kim
- Department of Otolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan of Medicine
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Prstačić R, Slipac J, Živković Ivanović T, Šimić I, Babić E, Đanić Hadžibegović A. Autologous Fat Augmentation in the Treatment of Unilateral Vocal Fold Paralysis - A 15-year Experience in a Single Institution. Acta Clin Croat 2020; 59:32-37. [PMID: 34219882 PMCID: PMC8212613 DOI: 10.20471/acc.2020.59.s1.04] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Autologous fat vocal fold augmentation is a widespread surgical procedure that aims to repair glottal incompetence in patients with unilateral vocal fold paralysis (UVFP). However, there are some concerns in the literature about the long-term results of this technique. At the ENT Department of the Zagreb University Hospital Centre, this technique has been in use for more than 15 years, and a retrospective medical chart review was conducted from June 2005 to November 2019. Overall, 78 patients with UVFP met the inclusion criteria for enrolment in the study. All patients underwent at least one preoperative and two postoperative voice assessments, one early (within 3 months from surgery) and one late (at least 1 year after surgery). All tested voice outcome parameters (maximum phonation time (MPT), jitter, shimmer, noise-to-harmonic ratio (NHR)) significantly improved after surgery, both early and late postoperatively (p<0.001). The reoperation rate was only 10.3% (8/78), with the majority of patients in our series experiencing long-term benefits from this surgical procedure. According to the results of our study, autologous fat vocal fold augmentation appears to be a highly useful and effective surgical technique with long-lasting results in the majority of patients suffering from UVFP.
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Affiliation(s)
| | - Juraj Slipac
- 1ENT Department, University Hospital Centre Zagreb, Zagreb, Croatia, 2Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Croatia, 3School of Medicine, Zagreb University, Croatia, 4Faculty of Education and Rehabilitation Sciences, Zagreb University, Croatia
| | - Tamara Živković Ivanović
- 1ENT Department, University Hospital Centre Zagreb, Zagreb, Croatia, 2Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Croatia, 3School of Medicine, Zagreb University, Croatia, 4Faculty of Education and Rehabilitation Sciences, Zagreb University, Croatia
| | - Ivana Šimić
- 1ENT Department, University Hospital Centre Zagreb, Zagreb, Croatia, 2Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Croatia, 3School of Medicine, Zagreb University, Croatia, 4Faculty of Education and Rehabilitation Sciences, Zagreb University, Croatia
| | - Ema Babić
- 1ENT Department, University Hospital Centre Zagreb, Zagreb, Croatia, 2Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Croatia, 3School of Medicine, Zagreb University, Croatia, 4Faculty of Education and Rehabilitation Sciences, Zagreb University, Croatia
| | - Ana Đanić Hadžibegović
- 1ENT Department, University Hospital Centre Zagreb, Zagreb, Croatia, 2Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, Croatia, 3School of Medicine, Zagreb University, Croatia, 4Faculty of Education and Rehabilitation Sciences, Zagreb University, Croatia
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Choi N, Jin H, Kim HJ, Son YI. Early Injection Laryngoplasty With a Long-Lasting Material in Patients With Potentially Recoverable Unilateral Vocal Fold Paralysis. Clin Exp Otorhinolaryngol 2019; 12:427-432. [PMID: 31446749 PMCID: PMC6787478 DOI: 10.21053/ceo.2019.00444] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/26/2019] [Indexed: 11/22/2022] Open
Abstract
Objectives. Injection laryngoplasty (IL) is one of the major options for treatment of unilateral vocal fold paralysis (UVFP). Early IL in patients with abrupt-onset UVFP can reduce hoarseness and aspiration-related discomfort and complications. Temporary or short-lasting materials are recommended for the early IL since permanent or long-lasting materials may negatively affect the voice quality when vocal fold motion is spontaneously recovered. Methods. Patients who received IL with a long-lasting material (ArteSense) within 1 month following development of postoperative UVFP were enrolled for this study. They were categorized into a spontaneously recovered group (n=30) and unrecovered group (n=276) from UVFP. The subjective and objective voice parameters were collected before and 6 months after IL. Patients’ demographics and collected voice parameters were compared between the two groups. Results. Age and sex distributions were not different between the two groups. Aspiration symptom, maximum phonation time (MPT), jitter, shimmer, noise to harmonic ratio (NHR), overall grade (G) and breathiness (B) of GRBAS (grade of dysphonia, roughness, breathiness, asthenia, strain) scale score, and voice handicap index (VHI) were significantly improved after IL in both groups. The amounts of improvement in MPT, jitter, shimmer, NHR and VHI were significantly greater in the recovered group. There was no IL-related complication including granuloma formation, hypersensitivity to injection material, or worsening of hoarseness. Conclusion. Early IL with a long-lasting material can be safely performed to improve voice quality and to reduce aspiration episode for the patients with postoperative UVFP, regardless of recovery from the paralysis. The amounts of improvement in the subjective and objective voice parameters were significantly greater in patients who showed spontaneous recovery from UVFP when compared with those in patients who did not.
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Affiliation(s)
- Nayeon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - HoKyung Jin
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hack Jung Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Young-Ik Son
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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21
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Granato F, Martelli F, Comini LV, Luparello P, Coscarelli S, Le Seac O, Carucci S, Graziani P, Santoro R, Alderotti G, Barillari MR, Mannelli G. The surgical treatment of unilateral vocal cord paralysis (UVCP): qualitative review analysis and meta-analysis study. Eur Arch Otorhinolaryngol 2019; 276:2649-2659. [PMID: 31375895 DOI: 10.1007/s00405-019-05587-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 07/27/2019] [Indexed: 11/24/2022]
Abstract
PURPOSE The objectives of this meta-analysis were to summarize the key surgical procedures for UVCP and to evaluate which of these is associated with better results in terms of vocal improvement. METHODS A systematic review of the literature was conducted in search of articles focused on the comparison of voice outcome between different techniques for the UVCP treatment. Then, a quantitative analysis was carried out for papers published from 2013 onwards, reporting only adult patients with unilateral paralysis for each study, and each surgical technique was evaluated for its capability of achieving good functional outcomes in terms of GRBAS-I scale and maximum phonation time in seconds (MPT). RESULTS The search identified 1853 publications. A total of 159 articles were stratified and included according to our selection criteria. 21 out of 159 articles were selected for quantitative synthesis. For trans-oral techniques: the mean GRBAS-I scale were 2.33 before injection and 0.41 after injection. The mean MPT before injection were 4.78 and 12.50 after injection. For open techniques the mean GRBAS-I scale were 2.43 before surgery and 0.68 after surgery. For open technique, the mean MPT were 3.50 before surgery and 12.40 after surgery. CONCLUSIONS The two types of techniques lead to an improvement in terms of vocal outcomes emphasizing that from the examined literature an indication emerges to perform an early injection because this could reduce the possible need for a more invasive intervention of permanent medialization in the future.
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Affiliation(s)
- F Granato
- Otorhinolaryngology Clinic, University of Florence, Florence, Italy
| | - F Martelli
- Otorhinolaryngology Clinic, University of Florence, Florence, Italy
| | - L V Comini
- Otorhinolaryngology Clinic, University of Florence, Florence, Italy
| | - P Luparello
- Otorhinolaryngology Clinic, University of Florence, Florence, Italy
| | - S Coscarelli
- Phoniatrics Unit, University Hospital Careggi, Florence, Italy
| | - O Le Seac
- Phoniatrics Unit, University Hospital Careggi, Florence, Italy
| | - S Carucci
- Phoniatrics Unit, University Hospital Careggi, Florence, Italy
| | - P Graziani
- Head and Neck and Robotic Surgery, Azienda Ospedaliero Universitaria Careggi, 50141, Florence, Italy
| | - R Santoro
- Head and Neck and Robotic Surgery, Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, CAP 50134, Firenze, Italy
| | - G Alderotti
- Department of Statistics Science, University "La Sapienza" of Rome, Rome, Italy
| | - M R Barillari
- Division of Phoniatrics and Audiology, Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Giuditta Mannelli
- Head and Neck and Robotic Surgery, Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, CAP 50134, Firenze, Italy.
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Desuter G, Dedry M, Schaar B, van Lith-Bijl JT, van Benthem PP, Sjögren EV. Voice outcome indicators for unilateral vocal fold paralysis surgery: A survey among surgeons. Eur Ann Otorhinolaryngol Head Neck Dis 2019; 136:343-347. [PMID: 31006639 DOI: 10.1016/j.anorl.2018.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 07/17/2018] [Accepted: 07/23/2018] [Indexed: 10/27/2022]
Abstract
INTRODUCTION Standardization of voice outcomes indicators (VOIs) is an important issue when it comes to evaluating and comparing surgical treatments for Unilateral Vocal Fold Paralysis (UVFP). In a recent review, 11 VOIs were found to represent 80% of the VOIs cited in the literature. A survey was launched among the European laryngologists to acquire surgeons' opinions on the above mentioned preselected VOIs. MATERIAL AND METHOD The electronic survey took place between November and December 2016. Three general questions were asked about surgeon's practice setting(s) and experience. The eleven next questions concerned (a) surgeon's VOIs preference and (b) their estimates of post-operative target values, they would consider being satisfactory. RESULTS The response rate was 16% (50 surveys). The majority of responders worked in tertiary hospitals (50%), had 15 years of experience with UVFP and performed on average 20 UVFP related procedures a year. The VOIs that were favored by the responding surgeons were, in decreasing order of importance, Voice handicap Index (VHI-30), Maximum Phonation Time (MPT), GRBAS-I, Mean Airflow Rate (MeAF), Jitter and Shimmer. There was an excellent consensus on post-operative VOI target values between survey's results and the literature data, except for three VOIs that showed somewhat divergent tendencies (absolute VHI-30, Jitter and Shimmer). CONCLUSIONS Three VOIs are favored by surgeons: VHI-30, MPT and GRBAS-I. Jitter and Shimmer, although very frequently reported and statistically valid in the literature, come last concerning surgeon's choice as VOI for UVFP treatment assessment.
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Affiliation(s)
- G Desuter
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium; Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands.
| | - M Dedry
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium
| | - B Schaar
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium
| | - J T van Lith-Bijl
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium; Otolaryngology Department, Flevoziekenhuis, Almere, The Netherlands
| | - P P van Benthem
- Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands
| | - E V Sjögren
- Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands
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Madill C, Nguyen DD, Yick-Ning Cham K, Novakovic D, McCabe P. The Impact of Nasalance on Cepstral Peak Prominence and Harmonics-to-Noise Ratio. Laryngoscope 2018; 129:E299-E304. [PMID: 30585334 PMCID: PMC6767134 DOI: 10.1002/lary.27685] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2018] [Indexed: 11/10/2022]
Abstract
Objectives/Hypothesis Cepstral peak prominence (CPP) has been reported as a reliable measure of dysphonia and a preferred alternative to harmonics‐to‐noise ratio (HNR). However, CPP has been observed to be sensitive to articulatory variation and vocal intensity. The aim of this study was to examine the impact of nasalance on CPP and HNR of voice signals. It was hypothesized that increased nasalance would be associated with decreased CPP. Study Design Within‐subject correlation design. Methods Thirty vocally healthy female participants were recorded reading and producing a vowel in alternation with a nasal consonant while wearing a nasometer for calculation of nasalance. Recorded vowel, nasalized, and nasal segments of speech were used to calculate CPP using Analysis of Dysphonia in Speech and Voice software, and HNR and vocal intensity using Praat software. Results Significant main effects of conditions were observed for CPP. CPP values decreased significantly when phonation changed from vowel to nasalized vowel and to nasal. There was correlation between CPP and nasalance and between CPP and intensity. HNR was slightly higher in the nasal condition than in vowel. There was a weak correlation between HNR and nasalance. No correlation was found between HNR and intensity. Conclusions CPP is sensitive to changes in vocal tract configuration caused by nasalization as well as intensity, whereas HNR is not. Therefore, CPP may reflect the periodicity in source signal or the filtering effects of vocal tract. Further research is needed to clarify the application and interpretation of CPP in clinical practice. Level of Evidence 4 Laryngoscope, 129:E299–E304, 2019
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Affiliation(s)
- Catherine Madill
- Voice Research Laboratory, The University of Sydney, Sydney, New South Wales, Australia
| | - Duong Duy Nguyen
- Voice Research Laboratory, The University of Sydney, Sydney, New South Wales, Australia
| | | | - Daniel Novakovic
- Faculty of Health Sciences and the Central Clinical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Patricia McCabe
- Voice Research Laboratory, The University of Sydney, Sydney, New South Wales, Australia
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Naunheim ML, Yung KC, Schneider SL, Henderson‐Sabes J, Kothare H, Mizuiri D, Klein DJ, Houde JF, Nagarajan SS, Cheung SW. Vocal motor control and central auditory impairments in unilateral vocal fold paralysis. Laryngoscope 2018; 129:2112-2117. [DOI: 10.1002/lary.27680] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 09/08/2018] [Accepted: 10/22/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Molly L. Naunheim
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
| | - Katherine C. Yung
- San Francisco Voice & SwallowingUniversity of California San Francisco California U.S.A
| | - Sarah L. Schneider
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
| | - Jennifer Henderson‐Sabes
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
| | - Hardik Kothare
- Department of Radiology and Biomedical ImagingUniversity of California San Francisco California U.S.A
| | - Danielle Mizuiri
- Department of Radiology and Biomedical ImagingUniversity of California San Francisco California U.S.A
| | - David J. Klein
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
| | - John F. Houde
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
| | - Srikantan S. Nagarajan
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
- Department of Radiology and Biomedical ImagingUniversity of California San Francisco California U.S.A
| | - Steven W. Cheung
- Department of Otolaryngology–Head and Neck SurgeryUniversity of California San Francisco California U.S.A
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Jackowska J, Klimza H, Zagozda N, Remacle M, Wojnowski W, Piersiala K, Wierzbicka M. Thyroplasty in unilateral vocal fold paresis with coexisting hereditary hemorrhagic telenagiectasia: A case report. Medicine (Baltimore) 2018; 97:e12727. [PMID: 30313073 PMCID: PMC6203463 DOI: 10.1097/md.0000000000012727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
RATIONALE The coincidence of an idiopathic unilateral vocal fold paresis and hereditary hemorrhagic telenagiectasia (HHT) is extremely rare and has not been described in the available literature yet. PATIENTS CONCERNS A 55-year-old female was admitted to hospital due to acute onset of hoarseness, voice fatigue, and effort dyspnea. In the past, the patient was diagnosed with HHT and on admission presented characteristic vascular lesions in the oral cavity. She reported also experiencing a moderate epistaxis at least once per month. DIAGNOSES The otolaryngological examination (fiberolaryngoscopy, phoniatric examination) revealed unchanged mobility and morphology of the right vocal fold and paresis of the left vocal fold in intermediate position. Computed tomography and magnetic resonance imaging of head, neck, and chest were inconclusive and showed no pathologic findings. INTERVENTIONS The unilateral paresis was treated for 12 months as idiopathic, with extensive rehabilitation. However, no improvement was observed. As a patient suffering from HHT is a challenge for anesthesiologists in terms of general anesthesia, the decision to perform type I thyroplasty (medialization) in local anesthesia was made. OUTCOMES There were no complications intraoperatively or in postoperative period. The implemented treatment was successful, as the voice quality improved both in perceptual evaluation (GRBAS scale) and acoustic analysis (F0, jitter, shimmer, NHR). LESSONS A routine surgical treatment in patients with HHT is a challenge. However, in this case, it was uneventful and successful, thus it can be recommended in other patients with similar background.
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Affiliation(s)
- Joanna Jackowska
- Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poland
| | - Hanna Klimza
- Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poland
| | - Natalia Zagozda
- Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poland
| | - Marc Remacle
- Departments of Otorhinolaryngology, Head and Neck Surgery, CHL-Eich, Luxembourg, Luxembourg
| | - Waldemar Wojnowski
- Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poland
| | - Krzysztof Piersiala
- Student Research Group at the Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poznań, Poland
| | - Małgorzata Wierzbicka
- Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poland
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Desuter G, Zapater E, Van der Vorst S, Henrard S, van Lith-Bijl JT, van Benthem PP, Sjögren EV. Very long-term Voice Handicap Index Voice Outcomes after Montgomery Thyroplasty: A cross-sectional study. Clin Otolaryngol 2018; 43:1097-1103. [PMID: 29624876 DOI: 10.1111/coa.13113] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/27/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The aim of this multicentric cross-sectional study was to examine the permanency of Montgomery thyroplasty (MTIS) results from a patient's perspective. DESIGN The study consisted of collecting Voice Handicap Index (VHI-30) questionnaires from patients who had previously been operated with MTIS between 2 and 12 years before. Very long-term (>2 years) postoperative data were compared with the previously acquired preoperative and early postoperative VHI results. Influence of factors such as age, gender, size/side of the prosthesis and length of the follow-up were also analysed. SETTING Multicentric study involving three tertiary European voice centres. PARTICIPANTS Forty-nine unilateral vocal fold paralysis (UVFP) patients, treated by MTIS, were included in the study. MAIN OUTCOME MEASURES The Voice Handicap Index-30 score. RESULTS & CONCLUSIONS The median VHI was significantly different over time-points (Friedman's test P < .001), with a significant difference between preoperative and early postoperative time-points (median VHI: 70 vs 21, respectively; P < .001) and between preoperative and very long-term postoperative time-points (median VHI: 70 vs 16, respectively; P < .001). The median VHI did not differ for the early and very long-term postoperative time-points (median VHI: 21 vs 16; P = .470). Age differences, gender differences and size/side differences of the prostheses, centres where surgery took place and length of the follow-up showed no significant influence. Medialisation thyroplasty (MT) overall and MTIS, in particular, should be considered as a possible standard of care for UVFP when permanency of voice results is sought.
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Affiliation(s)
- G Desuter
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium.,Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands
| | - E Zapater
- Otolaryngology, Head & Neck Surgery Department, Valencia Medical School, University General Hospital, Valencia, Spain
| | - S Van der Vorst
- Otolaryngology, Head & Neck Surgery Department, Hôpital universitaire UCL Namur, Mont-Godinne, Université catholique de Louvain, Yvoir, Belgium
| | - S Henrard
- Institute of Health and Society (IRSS), Université catholique de Louvain, Brussels, Belgium
| | - J T van Lith-Bijl
- Otolaryngology, Head & Neck Surgery Department, Voice & Swallowing Clinic, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium.,Otolaryngology Department, Flevoziekenhuis, Almere, The Netherlands
| | - P P van Benthem
- Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands
| | - E V Sjögren
- Otolaryngology, Head & Neck Surgery Department, LUMC, University of Leiden, Leiden, The Netherlands
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