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Vocal fold paralysis

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https://www.readbyqxmd.com/read/27836428/high-speed-imaging-of-vocal-fold-vibration-onset-delay-normal-versus-abnormal
#1
Peak Woo
OBJECTIVES: Vocal fold vibration onset delay (VFVOD) is heard frequently in spasmodic dysphonia and in muscle tension dysphonia. VFVOD changes due to other vocal pathologies have not been investigated. VFVOD during sustained vowel production was estimated with high-speed video in 10 normal and 40 pathologic subjects (scars, vocal fold paralysis, vocal fold nodules, and polyps). Analysis of high-speed video was done using digital kymography. RESULTS: VFVOD can be divided into two portions...
November 8, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27830141/total-and-partial-laser-arytenoidectomy-for-bilateral-vocal-fold-paralysis
#2
REVIEW
Taner Yılmaz, Ozan Muzaffer Altuntaş, Nilda Süslü, Gamze Atay, Serdar Özer, Oğuz Kuşçu, Tevfik Sözen
Introduction. Treatment for bilateral vocal fold paralysis (BVFP) has evolved from external irreversible procedures to endolaryngeal laser surgery with greater focus on anatomic and functional preservation. Since the introduction of endolaryngeal laser arytenoidectomy, certain modifications have been described, such as partial resection procedures and mucosa sparing techniques as opposed to total arytenoidectomy. Discussion. The primary outcome measure in studies on BVFP treatment using total or partial arytenoidectomy is avoidance of tracheotomy or decannulation and reported success ranges between 90 and 100% in this regard...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27816357/evaluation-of-vocal-fold-motion-abnormalities-are-we-all-seeing-the-same-thing
#3
Lyndsay L Madden, Clark A Rosen
OBJECTIVES: Flexible laryngoscopy is the principle tool for the evaluation of vocal fold motion. As of yet, no consistent, unified outcome metric has been developed for vocal fold paralysis/immobility research. The goal of this study was to evaluate vocal fold motion assessment (inter- and intra-rater reliability) among general otolaryngologists and fellowship-trained laryngologists. STUDY DESIGN: Prospective video perceptual analysis study. METHODS: Flexible laryngoscopic examinations, with sound, of 15 unique patient cases (20 seconds each) were sent to 10 general otolaryngologists and 10 fellowship-trained laryngologists blinded to clinical history...
November 2, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27797813/hoarse-voice-a-rare-presentation-of-tuberculosis-lymphadenitis
#4
Laurie Rigueros Springford, Krishan Ramdoo, Dilip Nair, Ali Taghi
A man aged 37 years from Indian descent presented to an inner city London hospital with hoarseness of voice, fatigue, night sweats and a 2 kg weight loss. Laryngoscopy demonstrated a left vocal fold palsy. Extensive investigations were undertaken with disseminated malignancy being primarily investigated. CT/MRI scanning showed non-specific necrotic mediastinal lymph nodes. Tuberculin skin testing, cytology and PCR were eventually undergone. Tests yielded results consistent with tuberculosis (TB) infection and the patient was started on standard TB treatment protocol, with excellent results...
October 24, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27777055/laboratory-evaluation-of-vocal-fold-paralysis-and-paresis
#5
Michelle White, Kirsten Meenan, Tirth Patel, Aaron Jaworek, Robert T Sataloff
OBJECTIVES: This study aimed to assess the value of comprehensive laboratory evaluation in patients with vocal fold paralysis or paresis. STUDY DESIGN: This is a retrospective chart review. METHODS: Records of 231 patients with vocal fold paralysis or paresis were reviewed to determine whether there is a significant increase in the number of abnormal test results compared with rates of abnormal results for these tests in the general population and whether testing resulted in clinically important diagnosis...
October 21, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27768757/human-adipose-tissue-derived-extracellular-matrix-and-methylcellulose-hydrogels-augments-and-regenerates-the-paralyzed-vocal-fold
#6
Dong Wook Kim, Eun Ji Kim, Eun Na Kim, Myung Whun Sung, Tack-Kyun Kwon, Yong Woo Cho, Seong Keun Kwon
Vocal fold paralysis results from various etiologies and can induce voice changes, swallowing complications, and issues with aspiration. Vocal fold paralysis is typically managed using injection laryngoplasty with fat or synthetic polymers. Injection with autologous fat has shown excellent biocompatibility. However, it has several disadvantages such as unpredictable resorption rate, morbidities associated with liposuction procedure which has to be done in operating room under general anesthesia. Human adipose-derived extracellular matrix (ECM) grafts have been reported to form new adipose tissue and have greater biostability than autologous fat graft...
2016: PloS One
https://www.readbyqxmd.com/read/27743845/hierarchical-classification-and-system-combination-for-automatically-identifying-physiological-and-neuromuscular-laryngeal-pathologies
#7
Hugo Cordeiro, José Fonseca, Isabel Guimarães, Carlos Meneses
OBJECTIVES: Speech signal processing techniques have provided several contributions to pathologic voice identification, in which healthy and unhealthy voice samples are evaluated. A less common approach is to identify laryngeal pathologies, for which the use of a noninvasive method for pathologic voice identification is an important step forward for preliminary diagnosis. In this study, a hierarchical classifier and a combination of systems are used to improve the accuracy of a three-class identification system (healthy, physiological larynx pathologies, and neuromuscular larynx pathologies)...
October 12, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27742492/accuracy-of-acoustic-analysis-measurements-in-the-evaluation-of-patients-with-different-laryngeal-diagnoses
#8
Leonardo Wanderley Lopes, Layssa Batista Simões, Jocélio Delfino da Silva, Deyverson da Silva Evangelista, Ana Celiane da Nóbrega E Ugulino, Priscila Oliveira Costa Silva, Vinícius Jefferson Dias Vieira
OBJECTIVE: This study aims to investigate the accuracy of acoustic measures in discriminating between patients with different laryngeal diagnoses. STUDY DESIGN: The study design is descriptive, cross-sectional, and retrospective. METHODS: A total of 279 female patients participated in the research. Acoustic measures of the mean and standard deviation (SD) values of the fundamental frequency (F0), jitter, shimmer, and glottal to noise excitation (GNE) were extracted from the emission of the vowel /ε/...
October 11, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27738634/using-innovative-acoustic-analysis-to-predict-the-postoperative-outcomes-of-unilateral-vocal-fold-paralysis
#9
Yung-An Tsou, Yi-Wen Liu, Wen-Dien Chang, Wei-Chen Chen, Hsiang-Chun Ke, Wen-Yang Lin, Hsing-Rong Yang, Dung-Yun Shie, Ming-Hsui Tsai
Objective. Autologous fat injection laryngoplasty is ineffective for some patients with iatrogenic vocal fold paralysis, and additional laryngeal framework surgery is often required. An acoustically measurable outcome predictor for lipoinjection laryngoplasty would assist phonosurgeons in formulating treatment strategies. Methods. Seventeen thyroid surgery patients with unilateral vocal fold paralysis participated in this study. All subjects underwent lipoinjection laryngoplasty to treat postsurgery vocal hoarseness...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27734816/-effects-of-electrostimulation-therapy-in-selected-cases-of-vocal-fold-paralysis
#10
Bożena Kosztyła-Hojna, Anna Kraszewska, Anna Łobaczuk-Sitnik, Diana Moskal, Dawid Falkowski, Jolanta Biszewska, Greta Berger
: Paralytic dysphonia is the most serious neurogenic pathology of voice quality. An important issue is to identify methods which support routine treatment. AIM: The aim of the study is to assess voice quality after electrostimulation (ES) therapy in patients with paralytic dysphonia. MATERIALS AND METHODS: The group consisted of 40 patients diagnosed at the Department of Clinical Phonoaudiology and Logopedics and then treated at the Phoniatric Outpatient Clinic of the Medical University of Bialystok, Poland in years 2013-2015...
July 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27692725/impact-of-cricothyroid-muscle-contraction-on-vocal-fold-vibration-experimental-study-with-high-speed-videoendoscopy
#11
Camila Cristina Ishikawa, Thais Gonçalves Pinheiro, Adriana Hachiya, Arlindo Neto Montagnoli, Domingos Hiroshi Tsuji
OBJECTIVES: The aim of this study was to evaluate the effects of cricothyroid muscle contraction on vocal fold vibration, as evaluated with high-speed videoendoscopy, and to identify one or more aspects of vocal fold vibration that could be used as an irrefutable indicator of unilateral cricothyroid muscle paralysis. STUDY DESIGN: This was an experimental study employing excised human larynges. METHODS: Twenty freshly excised human larynges were evaluated during artificially produced vibration...
September 28, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27670956/repeat-imaging-in-idiopathic-unilateral-vocal-fold-paralysis-is-it-necessary
#12
Julia E Noel, Caroline C Jeffery, Edward Damrose
OBJECTIVE: Imaging plays a critical role in the evaluation of patients presenting with unilateral vocal fold paresis or paralysis of unknown etiology. In those with idiopathic unilateral vocal fold paralysis (iUVFP), there is no consensus regarding the need or timing of repeat imaging. This study seeks to establish the rate of delayed detection of alternate etiologies for these patients to determine if and when imaging should be repeated. METHODS: Retrospective chart review was conducted identifying patients at our institution with vocal fold movement impairment between 1998 and 2014...
September 26, 2016: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27666943/disease-characteristics-and-electromyographic-findings-of-nonsurgery-related-unilateral-vocal-fold-paralysis
#13
Yu-Cheng Pei, Hsueh-Yu Li, Cheng-Lun Chen, Alice M K Wong, Pei-Chi Huang, Tuan-Jen Fang
OBJECTIVE: The detailed characteristics and prognosis of nonsurgery-related unilateral vocal fold paralysis (NSUVFP) are currently unclear. This study evaluated the extent of laryngeal nerve lesions and the individual characteristics for patients with NSUVFP. STUDY DESIGN: Retrospective, case series. METHODS: Patients with unilateral vocal fold paralysis (UVFP) were evaluated using videolaryngostroboscopy and quantitative laryngeal electromyography...
September 26, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27648652/aphthous-ulcer-of-the-vocal-cord-leading-to-hoarseness
#14
Kadri Ila, Aziz Tunc
Acute or chronic laryngitis, laryngeal trauma, vocal cord paralysis, cysts of the vocal cord, and benign or malignant tumors of the vocal folds are frequent causes of hoarseness. It is important to identify the cause of hoarseness to rule out potential malignancies. In this case report, we describe a patient with a bilateral aphthous ulcer in the vocal cords who was admitted with hoarseness and had been previously diagnosed with Behcet disease. Behcet disease is characterized by mucosal aphthous lesions, which are found primarily in oral and genital regions...
October 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27604559/autologous-fat-injection-therapy-including-a-high-concentration-of-adipose-derived-regenerative-cells-in-a-vocal-fold-paralysis-model-animal-pilot-study
#15
N Nishio, Y Fujimoto, K Suga, Y Iwata, K Toriyama, K Takanari, Y Kamei, T Yamamoto, M Gotoh
OBJECTIVES: To verify the effectiveness and safety of the addition of adipose-derived regenerative cells to autologous fat injection therapy. METHODS: Unilateral vocal fold paralysis models were made by cutting the right recurrent laryngeal nerve in two pigs. At day 30, 0.5 ml adipose-derived regenerative cells mixed with 1 ml autologous fat was injected into the right vocal fold of one pig, with the other receiving 0.5 ml Ringer's solution mixed with 1 ml autologous fat...
October 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27601300/cost-effectiveness-of-routine-computed-tomography-in-the-evaluation-of-idiopathic-unilateral-vocal-fold-paralysis
#16
Houmehr Hojjat, Peter F Svider, Adam J Folbe, Syed N Raza, Michael A Carron, Mahdi A Shkoukani, Albert L Merati, Ross M Mayerhoff
OBJECTIVES/HYPOTHESIS: To evaluate the cost-effectiveness of routine computed tomography (CT) in individuals with unilateral vocal fold paralysis (UVFP) STUDY DESIGN: Health Economics Decision Tree Analysis METHODS: A decision tree was constructed to determine the incremental cost-effectiveness ratio (ICER) of CT imaging in UVFP patients. Univariate sensitivity analysis was utilized to calculate what the probability of having an etiology of the paralysis discovered would have to be to make CT with contrast more cost-effective than no imaging...
September 7, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27600559/botulinum-toxin-injection-in-laryngeal-dyspnea
#17
Virginie Woisard, Xuelai Liu, Marie Christine Arné Bes, Marion Simonetta-Moreau
Data, regarding the use of botulinum toxin (BT-A) in laryngeal dyspnea, are scarce, coming from some cases reports in the literature, including Vocal fold paralysis, laryngeal dystonia, vocal cord dysfunction also called paradoxical motion of the vocal fold (PMVF), and post-neuroleptic laryngeal dyskinesia. There is no consensus regarding the muscles and the doses to inject. The aim of this study is to present a retrospective review of patients treated in our ENT Department by BT-A injection in this indication...
September 6, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27585082/laryngeal-framework-surgery-current-strategies
#18
Markus M Hess, Susanne Fleischer
PURPOSE OF REVIEW: Laryngeal framework surgery (LFS) is an indispensable surgical approach for the treatment of voice problems. The purpose of this review is to single out some relevant articles published on the topic of LFS from 2015 to mid-2016. Articles referring to injection laryngoplasty (augmentation) are entirely left aside. RECENT FINDINGS: In the vast majority of recent publications, LFS mostly addresses surgery intended to improve vocal function in cases of glottic insufficiency...
December 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/27582586/role-of-the-internal-superior-laryngeal-nerve-in-the-motor-responses-of-vocal-cords-and-the-related-voice-acoustic-changes
#19
Sadegh Seifpanahi, Farzad Izadi, Ali-Ashraf Jamshidi, Farhad Torabinezhad, Javad Sarrafzadeh, Siavash Mohammadi
BACKGROUND: Repeated efforts by researchers to impose voice changes by laryngeal surface electrical stimulation (SES) have come to no avail. This present pre-experimental study employed a novel method for SES application so as to evoke the motor potential of the internal superior laryngeal nerve (ISLN) and create voice changes. METHODS: Thirty-two normal individuals (22 females and 10 males) participated in this study. The subjects were selected from the students of Iran University of Medical Sciences in 2014...
September 2016: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27578371/the-use-of-injectable-calcium-hydroxylapatite-in-the-surgically-pretreated-larynx-with-glottal-insufficiency
#20
Philipp P Caffier, Ahmed I Nasr, Sebastian Weikert, Julius Rummich, Manfred Gross, Tadeus Nawka
OBJECTIVES/HYPOTHESIS: To evaluate the efficacy of vocal fold (VF) augmentation with calcium hydroxylapatite (CaHA) microspheres in the surgically pretreated larynx with glottal insufficiency. STUDY DESIGN: Prospective clinical pilot study. METHODS: After several prior reconstructive attempts (following tumor resection, VF paralysis, in sulcus vocalis, and VF scarring), CaHA was injected under general anaesthesia using a transoral microlaryngoscopic approach in 10 patients with residual glottal insufficiency ≤1...
August 31, 2016: Laryngoscope
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