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Vocal fold paralysis

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https://www.readbyqxmd.com/read/28219447/medialization-thyroplasty-versus-injection-laryngoplasty-a-cost-minimization-analysis
#1
Samantha Tam, Hongmei Sun, Sisira Sarma, Jennifer Siu, Kevin Fung, Leigh Sowerby
BACKGROUND: Medialization thyroplasty and injection laryngoplasty are widely accepted treatment options for unilateral vocal fold paralysis. Although both procedures result in similar clinical outcomes, little is known about the corresponding medical care costs. Medialization thyroplasty requires expensive operating room resources while injection laryngoplasty utilizes outpatient resources but may require repeated procedures. The purpose of this study, therefore, is to quantify the cost differences in adult patients with unilateral vocal fold paralysis undergoing medialization thyroplasty versus injection laryngoplasty...
February 20, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28203464/unilateral-laryngeal-pacing-system-and-its-functional-evaluation
#2
Taiping Zeng, Zhiping Zhang, Weiwei Peng, Fei Zhang, Baker Y Shi, Fangyi Chen
Goal. To establish a reliable instrumental system for synchronized reactivation of a unilaterally paralyzed vocal fold and evaluate its functional feasibility. Methods. Unilateral vocal fold paralysis model was induced by destruction of the left recurrent laryngeal nerve (RLN) in anesthetized dogs. With a micro controller-based electronic system, electromyography (EMG) signals from cricothyroid (CT) muscle on the ipsilateral side were recorded and used to trigger pacing of paralyzed vocalis muscles. The dynamic movement of vocal folds was continuously monitored using an endoscope, and the opening and closing of the glottis were quantified with customized imaging processing software...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28199505/influence-of-left-right-asymmetries-on-voice-quality-in-simulated-paramedian-vocal-fold-paralysis
#3
Robin A Samlan, Brad H Story
Purpose: The purpose of this study was to determine the vocal fold structural and vibratory symmetries that are important to vocal function and voice quality in a simulated paramedian vocal fold paralysis. Method: A computational kinematic speech production model was used to simulate an exemplar "voice" on the basis of asymmetric settings of parameters controlling glottal configuration. These parameters were then altered individually to determine their effect on maximum flow declination rate, spectral slope, cepstral peak prominence, harmonics-to-noise ratio, and perceived voice quality...
February 1, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28190663/iranian-voice-quality-of-life-profile-ivqlp-factor-analysis
#4
Ali Dehqan, Fariba Yadegari, Ronald C Scherer, Ali Asgari, Payman Dabirmoghadam
OBJECTIVES: An important domain in health-related quality of life evaluations is quality of life perceptions due to having a voice disorder. The objective of this study was to examine the factor structure of the Iranian Voice Quality of Life Profile (IVQLP) based on Exploratory Factor Analysis and confirmatory factor analysis. METHODS: The study sample consisted of 280 patients (174 males and 106 females) diagnosed with MTD, benign organic disorders such as polyps and nodules, and unilateral vocal fold paralysis and cancer...
February 9, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28184253/concordance-between-the-tirads-ultrasound-criteria-and-the-bethesda-cytology-criteria-on-the-nontoxic-thyroid-nodule
#5
Hernando Vargas-Uricoechea, Ivonne Meza-Cabrera, Jorge Herrera-Chaparro
BACKGROUND: Thyroid nodule is a common disorder of the thyroid. Despite their benign nature, they can be associated with multiple pathologic conditions, including thyroid cancer. METHODS: This cross-sectional study determined the concordance of Ultrasound (TIRADS criteria) and Fine Needle Aspiration Biopsy (FNA-BETHESDA system) in the assessment of the nontoxic thyroid nodule. A total of 180 subjects 18 years old or older underwent the two diagnostic tests and their results were compared using kappa index...
2017: Thyroid Research
https://www.readbyqxmd.com/read/28131460/polydimethylsiloxane-injection-laryngoplasty-for-unilateral-vocal-fold-paralysis-long-term-results
#6
Francesco Mattioli, Margherita Bettini, Cecilia Botti, Giulia Busi, Sauro Tassi, Andrea Malagoli, Gabriele Molteni, Marco Trebbi, Maria Pia Luppi, Livio Presutti
OBJECTIVES: To analyze the long-term objective, perceptive, and subjective outcomes after endoscopic polydimethylsiloxane (PDMS) injection laryngoplasty in unilateral vocal fold paralysis. STUDY DESIGN: A retrospective study carried out between January 2008 and January 2012. SETTING: Head and Neck Department, University Hospital of Modena, Modena, Italy. METHODS: This was a retrospective analysis of 26 patients with unilateral vocal fold paralysis who underwent endoscopic injection of PDMS under general anesthesia...
January 25, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28119095/unilateral-vocal-fold-adductor-paralysis-after-tracheal-intubation
#7
Takao Goto, Takaharu Nito, Rumi Ueha, Akihito Yamauchi, Taku Sato, Tatsuya Yamasoba
Vocal fold immobility is a relatively rare complication that can occur after tracheal intubation. Differential diagnoses include a rare clinical entity called unilateral vocal fold adductor paralysis in which only branches entering the thyroarytenoid and lateral cricoarytenoid muscles of the recurrent laryngeal nerve become paralyzed. Computed tomography and laryngeal electromyography are required to distinguish this condition from others such as cricoarytenoid dislocation/subluxation. Here, we describe two patients who developed vocal fold adductor paralysis after intubation...
January 21, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28105659/effect-of-intralaryngeal-muscle-synkinesis-on-perception-of-voice-handicap-in-patients-with-unilateral-vocal-fold-paralysis
#8
R Jun Lin, Michael C Munin, Clark A Rosen, Libby J Smith
OBJECTIVES/HYPOTHESIS: Intralaryngeal muscle synkinesis associated with unilateral vocal fold paralysis (UVFP) is thought to preserve thyroarytenoid-lateral cricoarytenoid muscle complex tone, resulting in a better voice despite the presence of vocal fold paralysis (VFP). This study compares voice handicap in patients with unilateral VFP (UVFP) with and without evidence of adductory synkinesis on laryngeal electromyography (LEMG). STUDY DESIGN: Retrospective review of LEMG data and Voice Handicap Index-10 (VHI-10) scores of patients diagnosed with permanent UVFP...
January 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28102857/vocal-fold-paralysis-in-preterm-infants-prevalence-and-analysis-of-risk-factors
#9
J Jabbour, M Uhing, T Robey
OBJECTIVE: To calculate the prevalence of vocal fold paralysis (VFP) in preterm (<37 weeks of gestation) infants at a single neonatal intensive care unit (NICU) and identify risk factors for the development of VFP. STUDY DESIGN: This is a case control study of all surviving preterm infants admitted to the NICU at Children's Hospital of Wisconsin from 2006 to 2012, comparing those with and without VFP. Multivariate analysis was performed to identify significant risk factors for VFP...
January 19, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28095928/one-hundred-years-of-external-approach-medialisation-thyroplasty
#10
V E Crolley, N Gibbins
It has been 100 years since Erwin Payr first developed an operation to improve the effects of a paralysed vocal fold, and operations based on this technique are still in use today. This technique, medialisation thyroplasty, aims to improve the symptoms caused by vocal fold palsy by realigning the lateralised vocal fold into the midline. Whilst the effects of vocal fold palsy were recognised in antiquity, it was only with the development of indirect laryngoscopy in the late nineteenth century that the vocal fold paralysis could be identified as an aetiology for poor phonation and dysphagia...
January 18, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28059441/neuromuscular-compensation-mechanisms-in-vocal-fold-paralysis-and-paresis
#11
Karuna Dewan, Andrew Vahabzadeh-Hagh, Donna Soofer, Dinesh K Chhetri
OBJECTIVES/HYPOTHESIS: Vocal fold paresis and paralysis are common conditions. Treatment options include augmentation laryngoplasty and voice therapy. The optimal management for this condition is unclear. The objective of this study was to assess possible neuromuscular compensation mechanisms that could potentially be used in the treatment of vocal fold paresis and paralysis. STUDY DESIGN: In vivo canine model. METHODS: In an in vivo canine model, we examined three conditions: 1) unilateral right recurrent laryngeal nerve (RLN) paresis and paralysis, 2) unilateral superior laryngeal nerve (SLN) paralysis, and 3) unilateral vagal nerve paresis and paralysis...
January 6, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28007326/unilateral-vocal-fold-paralysis-a-systematic-review-of-speech-language-pathology-management
#12
REVIEW
Chloe Walton, Erin Conway, Helen Blackshaw, Paul Carding
OBJECTIVES: Dysphonia due to unilateral vocal fold paralysis (UVFP) can be characterized by hoarseness and weakness, resulting in a significant impact on patients' activity and participation. Voice therapy provided by a speech-language pathologist is designed to maximize vocal function and improve quality of life. The purpose of this paper is to systematically review literature surrounding the effectiveness of speech-language pathology intervention for the management of UVFP in adults...
December 19, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28003099/long-term-results-of-18-fat-injections-in-unilateral-vocal-fold-paralysis
#13
R Pagano, D Morsomme, S Camby, L Lejeune, C Finck
OBJECTIVE: The purposes of this study were to assess the long-term efficacy of medialization laryngoplasty via injection of autologous fat in patients with unilateral laryngeal paralysis, and to discuss the results based on the volume of fat injected and the size of the initial glottic gap. STUDY DESIGN: This was a retrospective study with clinical reevaluation of 18 patients treated for unilateral laryngeal paralysis at Liège University Hospital between April 1, 2011, and December 1, 2014...
December 19, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27983904/transient-bilateral-vocal-fold-paralysis-after-total-thyroidectomy
#14
Alexander Edward Dy, Jose Florencio F Lapeña
Vocal fold paralysis is a serious complication of thyroidectomy that is worrisome for health providers and potentially disastrous for the patient and family. A 56-year-old woman presented with bilateral vocal fold paralysis immediately after routine thyroidectomy and neck dissection for a large goiter with compressive symptoms. She was extubated the next day with full recovery of vocal fold motion. We discuss possible causes of vocal fold paralysis, including surgical, metabolic and anesthetic factors.
November 2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
https://www.readbyqxmd.com/read/27943294/laryngeal-pacing-for-bilateral-vocal-fold-paralysis-voice-and-respiratory-aspects
#15
Andreas H Mueller, Rudolf Hagen, Claus Pototschnig, Gerhard Foerster, Wilma Grossmann, Katrin Baumbusch, Markus Gugatschka, Tadeus Nawka
OBJECTIVE: To evaluate the effects of neurostimulation with the laryngeal pacemaker (LP) system in patients with bilateral vocal fold paralysis (BVFP) in terms of voice quality and respiratory function. STUDY DESIGN: Feasibility study, first-in-human, single-arm, open-label, prospective, multicenter study with group-sequential design and 6-month follow-up period, as described in details in our previous publication. METHODS: Nine symptomatic BVFP subjects were unilaterally implanted with the LP system at three study sites in Germany and Austria...
December 10, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27927010/the-phonetic-characteristics-in-patients-of-bilateral-vocal-fold-paralysis-without-tracheotomy
#16
Yong Tae Hong, Min Ju Park, Yu Jeong Shin, Phan Huu Ngoc Minh, Ki Hwan Hong
Objectives: Patients with bilateral vocal fold paralysis (BVFP) theoretically have difficulty producing voiceless consonants. However, perceptual studies have revealed clear production of voiceless consonants with good articulation scores in nontracheostomized patients. The purpose of this study was to clarify the production of voiceless stops during articulation in patients with BVFP compared to normal speakers. Methods: The perceptual, acoustic, and aerodynamic characteristics of patients with BVFP and those with normal speech were investigated with special reference to voiceless stop consonants...
November 17, 2016: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/27836428/high-speed-imaging-of-vocal-fold-vibration-onset-delay-normal-versus-abnormal
#17
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
#18
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
#19
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...
January 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27797813/hoarse-voice-a-rare-presentation-of-tuberculosis-lymphadenitis
#20
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
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