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spasmodic dysphonia

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https://www.readbyqxmd.com/read/29449062/acoustic-and-perceptual-analyses-of-adductor-spasmodic-dysphonia-in-mandarin-speaking-chinese
#1
Zhipeng Chen, Jingyuan Li, Qingyi Ren, Pingjiang Ge
OBJECTIVE: The objective of this study was to examine the perceptual structure and acoustic characteristics of speech of patients with adductor spasmodic dysphonia (ADSD) in Mandarin. STUDY DESIGN: Case-Control Study MATERIALS AND METHODS: For the estimation of dysphonia level, perceptual and acoustic analysis were used for patients with ADSD (N = 20) and the control group (N = 20) that are Mandarin-Chinese speakers. For both subgroups, a sustained vowel and connected speech samples were obtained...
February 12, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29423509/outcomes-of-onabotulinum-toxin-a-treatment-for-adductor-spasmodic-dysphonia-and-laryngeal-tremor
#2
Priyesh N Patel, Edmond K Kabagambe, Jennifer C Starkweather, Matthew Keller, Vahram Gamsarian, Jane Lee, Vishnutheert Kulkarni, C Gaelyn Garrett, David O Francis
Importance: The relative outcomes of onabotulinum toxin A injections for treatment of adductor spasmodic dysphonia (ADSD), ADSD with lateral laryngeal tremor (ADSD+LT), and lateral LT without ADSD are unclear. Objective: To compare the outcomes of onabotulinum toxin A treatment on ADSD, ADSD+LT, and lateral LT without ADSD. Design, Setting, and Participants: A retrospective cohort study was conducted from January 1, 1990, to September 30, 2016, at a tertiary referral voice center...
February 8, 2018: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29299525/communication-related-affective-behavioral-and-cognitive-reactions-in-speakers-with-spasmodic-dysphonia
#3
Christopher R Watts, Martine Vanryckeghem
Objectives: To investigate the self-perceived affective, behavioral, and cognitive reactions associated with communication of speakers with spasmodic dysphonia as a function of employment status. Study Design: Prospective cross-sectional investigation. Methods: 148 Participants with spasmodic dysphonia (SD) completed an adapted version of the Behavior Assessment Battery (BAB-Voice), a multidimensional assessment of self-perceived reactions to communication...
December 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29246397/reliability-of-high-speed-videoendoscopic-ratings-of-essential-voice-tremor-and-adductor-spasmodic-dysphonia
#4
Lindsey A Parker, Melda Kunduk, Daniel S Fink, Andrew McWhorter
OBJECTIVES: The main objectives of this study were to (1) examine intrarater and inter-rater reliabilities in perceptual ratings of vocal fold vibratory patterns and supraglottic characteristics for essential vocal tremor and adductor spasmodic dysphonia (AdSD) using high-speed videoendoscopy (HSV), and (2) to investigate the specificity of the parameters in differentiating these two voice disorders. METHODS: HSV recordings of 34 cases diagnosed with essential vocal tremor, AdSD, or AdSD with vocal tremor were evaluated blindly by two voice speech pathologists...
December 12, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29239880/spasmodic-dysphonia
#5
Diane W Chen, Julina Ongkasuwan
No abstract text is available yet for this article.
2018: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/29238711/long-term-dose-stability-of-onabotulinumtoxina-injection-for-adductor-spasmodic-dysphonia-a-19-year-single-institution-experience
#6
Paul Paddle, Inna Husain, Christine Moniz, Scott Turner, Ramon Arturo Franco
Objectives: Adductor spasmodic dysphonia (AdSD) is a focal dystonia predominantly involving the laryngeal adductor muscles. AdSD is reported to be a largely non-progressive neurological disorder, though fluctuations in symptom severity do occur. Repeated laryngeal onabotulinumtoxinA (BTX-A) injections are the primary management for AdSD. A number of studies have demonstrated long-term dose stability as evidence of this long-term disease stability. Methods: A retrospective review was performed on all patients undergoing BTX-A injections for AdSD from April 1994 to September 2013 by a single laryngologist at a tertiary referral laryngology center...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29236283/retropharyngeal-hematoma-following-botulinum-toxin-injection-for-abductor-spasmodic-dysphonia
#7
Joo Koh, Sanjay Raghav, Malcolm Baxter
No abstract text is available yet for this article.
December 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29132808/bilateral-vocal-fold-medialization-a-treatment-for-abductor-spasmodic-dysphonia
#8
Karuna Dewan, Gerald S Berke
INTRODUCTION: Abductor spasmodic dysphonia, a difficult-to-treat laryngologic condition, is characterized by spasms causing the vocal folds to remain abducted despite efforts to adduct them during phonation. Traditional treatment for abductor spasmodic dysphonia-botulinum toxin injection into the posterior cricoarytenoid muscle-can be both technically challenging and uncomfortable. Due to the difficulty of needle placement, it is often unsuccessful. The purpose of this investigation is to present a previously undescribed treatment for abductor spasmodic dysphonia-bilateral vocal fold medialization...
November 10, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29117296/polygenic-risk-of-spasmodic-dysphonia-is-associated-with-vulnerable-sensorimotor-connectivity
#9
Gregory Garbès Putzel, Giovanni Battistella, Anna F Rumbach, Laurie J Ozelius, Mert R Sabuncu, Kristina Simonyan
Spasmodic dysphonia (SD), or laryngeal dystonia, is an isolated task-specific dystonia of unknown causes and pathophysiology that selectively affects speech production. Using next-generation whole-exome sequencing in SD patients, we computed polygenic risk score from 1804 genetic markers based on a genome-wide association study in another form of similar task-specific focal dystonia, musician's dystonia. We further examined the associations between the polygenic risk score, resting-state functional connectivity abnormalities within the sensorimotor network, and SD clinical characteristics...
November 19, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/29099066/chemodenervation-of-the-larynx
#10
REVIEW
Rachel Kaye, Andrew Blitzer
Botulinum neurotoxin (BoNT) has existed for thousands of years; however, it was not medically utilized until investigations into its therapeutic use began in sincerity during the late 1970s and 1980s. This, coupled with the reclassification of spasmodic dysphonia as a focal dystonia, led to the use of chemodenervation for this disorder, which has since become a refined technique. Indeed, due to its safety and efficacy, BoNT has been investigated in multiple neurolaryngology disorders, including spasmodic dysphonia, vocal tremor, and muscle tension dysphonia...
November 2, 2017: Toxins
https://www.readbyqxmd.com/read/28983422/speech-language-pathology-evaluation-and-management-of-hyperkinetic-disorders-affecting-speech-and-swallowing-function
#11
REVIEW
Julie M Barkmeier-Kraemer, Heather M Clark
BACKGROUND: Hyperkinetic dysarthria is characterized by abnormal involuntary movements affecting respiratory, phonatory, and articulatory structures impacting speech and deglutition. Speech-language pathologists (SLPs) play an important role in the evaluation and management of dysarthria and dysphagia. This review describes the standard clinical evaluation and treatment approaches by SLPs for addressing impaired speech and deglutition in specific hyperkinetic dysarthria populations. METHODS: A literature review was conducted using the data sources of PubMed, Cochrane Library, and Google Scholar...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28927659/socioeconomic-variables-of-patients-with-spasmodic-dysphonia-a-preliminary-study
#12
Ashley P O'Connell Ferster, Robert T Sataloff, Patricia A Shewokis, Amanda Hu
OBJECTIVES/HYPOTHESIS: To characterize socioeconomic status (SES) variables of spasmodic dysphonia (SD) patients and determine their impact on voice outcomes after treatment with botulinum toxin. STUDY DESIGN: Retrospective review. MATERIALS AND METHODS: SD patients treated with botulinum toxin for the past 10 years (July 2007-July 2017) for whom sufficient SES and outcome data were available were included. Spearman rho nonparametric correlation coefficients were calculated to determine if SES variables were significantly associated with self-perceived vocal quality...
September 15, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28894815/development-of-a-voice-disorder-work-productivity-inventory-utilizing-cognitive-interviewing-technique
#13
John Paul Giliberto, Qiubei Zhu, Tanya K Meyer
OBJECTIVES/HYPOTHESIS: Voice disorders have been shown to impair workplace productivity primarily by reduced efficiency while at work (presenteeism) versus increased days missed (absenteeism). Work productivity measures such as the Work Productivity and Activity Impairment (WPAI) Questionnaire or the World Health Organization Health - Work Performance Questionnaire (HPQ) can be customized to a specific disease but do not fully capture impaired work productivity associated with voice disorders...
December 2016: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28802787/reliability-and-validity-of-speech-evaluation-in-adductor-spasmodic-dysphonia
#14
Saori Yanagida, Noriko Nishizawa, Ryusaku Hashimoto, Kenji Mizoguchi, Hiromitsu Hatakeyama, Akihiro Homma, Satoshi Fukuda
OBJECTIVES: The aim of this study was to evaluate speech in patients with adductor spasmodic dysphonia (ADSD) by perceptual evaluations and acoustic measures, and to examine the reliability and validity of these measures. METHODS: Twenty-four patients with ADSD and 24 healthy volunteers were included in the study. Speech materials consisted of three sentences constructed from serial voiced syllables to elicit abductor voice breaks. Three otolaryngologists rated the degree of voice symptoms using a visual analog scale (VAS)...
August 9, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28739333/comparison-of-two-multiparameter-acoustic-indices-of-dysphonia-severity-the-acoustic-voice-quality-index-and-cepstral-spectral-index-of-dysphonia
#15
Jeong Min Lee, Nelson Roy, Elizabeth Peterson, Ray M Merrill
OBJECTIVES: The Acoustic Voice Quality Index (AVQI) and the Cepstral Spectral Index of Dysphonia (CSID) are two multiparameter acoustic indices designed to objectively estimate dysphonia severity and track treatment outcomes. This study compared the performance of these two indices using a common corpus of dysphonic speakers. METHOD: Pre- and posttreatment samples of sustained vowel and connected speech were elicited from 112 patients across six diagnostic categories: unilateral vocal fold paralysis (n = 12), adductor spasmodic dysphonia (n = 12), primary muscle tension dysphonia (n = 12), benign vocal fold lesions (n = 12), presbylaryngis (n = 12), and mutational falsetto (n = 12)...
July 21, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28687381/operative-procedure-of-anterior-commissure-for-type-ii-thyroplasty
#16
Koji Matsushima, Nobuhiko Isshiki, Masahiro Tanabe, Naoto Yoshizaki, Kazuya Otsu, Akira Fukuo, Kentaro Matsuura, Yusuke Watanabe, Kiminori Sato
OBJECTIVE: We reviewed the clinical anatomy of the anterior commissure and examined the effectiveness of a specialized spreader developed for optimal, efficient spreading of the thyroid cartilage in type II thyroplasty. STUDY DESIGN AND METHODS: The present study was a multicenter retrospective study of patients with spasmodic dysphonia who underwent a primary operation either before or after the introduction of a specialized spreader (in 2008 or 2014, respectively)...
July 4, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28669450/pressure-and-flow-comparisons-across-vocal-pathologies
#17
Linda Carroll, Ann Rooney, Thomas J Ow, Melin Tan
OBJECTIVE: The aim of this study was to aid in the distinction among hyperadductive dysphonias by evaluating peak glottal pressure, release burst, and mid and final airflow values across repeated /pa/ syllable trains. METHODS: Sixty subjects were assessed for aerodynamic patterns during onset-offset for the /papapapapa/ task in modal voice. Subject groups included adductory spasmodic dysphonia (AdSD), benign vocal fold lesion, primary muscle tension dysphonia (MTD-1), secondary muscle tension dysphonia with an identifiable primary benign vocal fold lesion (MTD-2), vocal fold paresis or paralysis, and normal controls...
June 29, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28651822/pharyngeal-dystonia-mimicking-spasmodic-dysphonia
#18
Lucy L Shi, C Blake Simpson, Edie R Hapner, Hyder A Jinnah, Michael M Johns
OBJECTIVE: The aim of this study was to describe the presentation of pharyngeal dystonia (PD), which can occur as a focal or segmental dystonia with a primarily pharyngeal involvement for the discussion of treatment methods for controlling consequent symptoms. PD is specific to speech-related tasks. METHODS: A retrospective medical record review of four patients with PD was performed. RESULTS: All patients were initially misdiagnosed with adductor spasmodic dysphonia and failed standard treatment with botulinum toxin type A (BTX)...
June 23, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28543038/central-voice-production-and-pathophysiology-of-spasmodic-dysphonia
#19
REVIEW
Niv Mor, Kristina Simonyan, Andrew Blitzer
OBJECTIVE: Our ability to speak is complex, and the role of the central nervous system in controlling speech production is often overlooked in the field of otolaryngology. In this brief review, we present an integrated overview of speech production with a focus on the role of central nervous system. The role of central control of voice production is then further discussed in relation to the potential pathophysiology of spasmodic dysphonia (SD). DATA SOURCES: Peer-review articles on central laryngeal control and SD were identified from PUBMED search...
January 2018: Laryngoscope
https://www.readbyqxmd.com/read/28492935/employer-reactions-to-adductor-spasmodic-dysphonia-exploring-the-influence-of-symptom-severity-and-disclosure-of-diagnosis-during-a-simulated-telephone-interview
#20
Derek D Isetti, Carolyn R Baylor, Michael I Burns, Tanya L Eadie
Purpose: The purpose of this study was to determine the influence of symptom severity and disclosure of adductor spasmodic dysphonia (ADSD) on the perceptions of human resource personnel members (HRPs) during a simulated phone interview. Method: One female speaker with ADSD was recorded reading an interview script at two time points: (a) pre-BOTOX injection (severe), and (b) post-BOTOX injection (mild). Thirty-two HRPs evaluated the recording in one of the two conditions via a qualitative structured interview...
May 17, 2017: American Journal of Speech-language Pathology
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