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https://www.readbyqxmd.com/read/28550413/glottal-gap-tracking-by-a-continuous-background-modeling-using-inpainting
#1
Gustavo Andrade-Miranda, Juan Ignacio Godino-Llorente
The visual examination of the vibration patterns of the vocal folds is an essential method to understand the phonation process and diagnose voice disorders. However, a detailed analysis of the phonation based on this technique requires a manual or a semi-automatic segmentation of the glottal area, which is difficult and time consuming. The present work presents a cuasi-automatic framework to accurately segment the glottal area introducing several techniques not explored before in the state of the art. The method takes advantage of the possibility of a minimal user intervention for those cases where the automatic computation fails...
May 27, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28543554/smad3-expression-and-regulation-of-fibroplasia-in-vocal-fold-injury
#2
Nao Hiwatashi, Peter A Benedict, Gregory R Dion, Renjie Bing, Iv Kraja, Milan R Amin, Ryan C Branski
OBJECTIVE: Recent reports highlight the efficacy of small interfering RNA (siRNA) targeting SMAD3 to regulate transforming growth factor β (TGF-β)-mediated fibroplasia in vocal fold fibroblasts. The current study sought to investigate SMAD3 expression during wound healing in vivo and quantify the downstream transcriptional events associated with SMAD3 knockdown in vitro. STUDY DESIGN: In vivo and in vitro. METHODS: Unilateral vocal fold injury was created in a rabbit model...
May 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28541243/czy-smog-ma-wp%C3%A5-yw-na-cz%C3%A4-sto%C3%A5-%C3%A4-wyst%C3%A4-powania-zaostrze%C3%A5-przewlek%C3%A5-ego-zapalenia-krtani-analiza-na-przyk%C3%A5-adzie-mieszka%C3%A5-c%C3%A3-w-wojew%C3%A3-dztwa-ma%C3%A5-opolskiego
#3
Remigiusz Ziarno, Anna Suska, Wojciech Kulinowski, Aleksandra Grudzień-Ziarno, Magdalena Kostrzon, Magdalena Paciorek, Jacek Składzień
INTRODUCTION: Due to dynamic industrialisation smog became a frequent phenomenon in most developing cities. According to the last WHO report from Global Urban Ambient Air Pollution Database, Krakow has been classified in the 11th place among the most polluted cities in Europe. It seems to be an urgent issue because of the influence of air pollution on the condition of upper respiratory tract. Materials & Methods: In December 2015 there were 141 patients aged 17-91 years with upper respiratory tract diseases admitted to the phoniatric outpatient clinic in the University Hospital in Cracow...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28538831/effects-of-laryngeal-manual-therapy-lmt-and-transcutaneous-electrical-nerve-stimulation-tens-in-vocal-folds-diadochokinesis-of-dysphonic-women-a-randomized-clinical-trial
#4
Larissa Thaís Donalonso Siqueira, Kelly Cristina Alves Silverio, Alcione Ghedini Brasolotto, Rinaldo Roberto de Jesus Guirro, Christiano Giácomo Carneiro, Mara Behlau
Purpose: To verify and compare the effect of transcutaneous electrical nerve stimulation (TENS) and laryngeal manual therapy (LMT) on laryngeal diadochokinesis (DDK) of dysphonic women. Methods: Twenty women with bilateral vocal nodules participated and were equally divided into: LMT Group - LMT application; TENS Group - TENS application; both groups received 12 sessions of treatment, twice a week, with a duration of 20 minutes each, applied by the same therapist...
May 15, 2017: CoDAS
https://www.readbyqxmd.com/read/28530217/-phonosurgical-methods-of-treatment-in-unilateral-vocal-folds-paralysis
#5
REVIEW
Bozena Kosztyła-Hojna, Greta Berger, Maciej Zdrojkowski
Glottal insufficiency (GI) is a cause of breathy voice that can profoundly affect quality of voice. Main causes are unilateral vocal fold paralysis or endoscopic cordectomy for the early treatment of laryngeal cancer of the glottis. The main strategy in surgical treatment is type I medialization thyroplasty according to Isshiki with the use of implants e.g. silastic, hydroxyapatite, titanium, Gore-Tex or Montgomery. Other procedures are arytenoid adduction, the injection laryngoplasty via thyrohyoid and cricothyroid approach and laryngeal reinnervation...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28528786/acoustic-perturbation-measures-improve-with-increasing-vocal-intensity-in-individuals-with-and-without-voice-disorders
#6
M Brockmann-Bauser, J E Bohlender, D D Mehta
OBJECTIVE: In vocally healthy children and adults, speaking voice loudness differences can significantly confound acoustic perturbation measurements. This study examines the effects of voice sound pressure level (SPL) on jitter, shimmer, and harmonics-to-noise ratio (HNR) in adults with voice disorders and a control group with normal vocal status. STUDY DESIGN: This is a matched case-control study. METHODS: We assessed 58 adult female voice patients matched according to approximate age and occupation with 58 vocally healthy women...
May 18, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28527715/influence-of-netrin-1-on-reinnervation-of-laryngeal-muscles-following-recurrent-laryngeal-nerve-injury
#7
Ignacio Hernandez-Morato, Shira Koss, Sansar Sharma, Michael J Pitman
Following recurrent laryngeal nerve (RLN) injury, recovery results in poor functional restitution of the paralyzed vocal fold. Netrin-1 has been found to be upregulated in the rat posterior cricoarytenoid muscle (PCA) during nerve regeneration, We evaluated the effect of ectopic Netrin-1 in the PCA during RLN reinnervation. The right RLN was transected and Netrin-1 was injected into the PCA (2.5, 5, 10, 15, 20μg/ml). At 7 days post injury fluorescent retrograde tracer was injected into PCA and Thyroarytenoid (TA) muscles...
May 17, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28522763/aortic-arch-compliance-and-idiopathic-unilateral-vocal-fold-paralysis
#8
Reza Behkam, Kara E Roberts, Andrew J Bierhals, M Eileen Jacobs, Julia D Edgar, Randal C Paniello, Gayle Woodson, Jonathan P Vande Geest, Julie M Barkmeier-Kraemer
Unilateral vocal fold paralysis (UVP) occurs related to recurrent laryngeal nerve (RLN) impairment associated with impaired swallowing, voice production, and breathing functions. The majority of UVP cases occur subsequent to surgical intervention with approximately 12-42% having no known cause for the disease (i.e., idiopathic). Approximately 2/3 of those with UVP exhibit left-sided injury with the average onset at 50 years of age or older in those diagnosed as idiopathic. Given the association between the RLN and the subclavian and aortic arch vessels, we hypothesized that changes in vascular tissues would result in increased aortic compliance in idiopathic left-sided UVP patients compared to those without UVP...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28503988/the-usefulness-of-narrow-band-imaging-for-the-diagnosis-and-treatment-of-vocal-fold-leukoplakia
#9
Fang Huang, Jinchao Yu, Fan Zhang, Changding He, Shimin Li, Jun Shao
OBJECTIVE: This research was aimed to explore the efficacy of narrow-band imaging (NBI) on distinguishing the degree of dysplasia of vocal fold leukoplakia. METHODS: Patients were examined by flexible endoscopy, under white light endoscopy (WLE) and NBI. 78 lesions were divided into two groups according to the NBI classification. Group 1: non-dysplasia (ND), including squamous hyperplasia with hyperkeratosis or parakeratosis; Group 2: squamous hyperplasia with mild or moderate dysplasia (MD) or severe dysplasia (SD), or carcinoma in situ (CIS)...
May 14, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28499735/turkish-standardized-reading-passage-for-the-evaluation-of-hard-glottal-attack-occurrence-frequency
#10
Melek Nur Uygun, Fatma Esen Aydınlı, Songül Aksoy, Esra Özcebe
OBJECTIVE: This study aimed to develop a Turkish reading passage that can be used in evaluating the frequency of hard glottal attack (HGA) and to assess its reliability. STUDY DESIGN: This is a prospective case-control study. METHODS: The Towne-Heuer reading passage is a valuable tool that can be used for the auditory-perceptual assessment of voice. The characteristics of the first four paragraphs of the reading passage were analyzed by a linguist...
May 9, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28495329/dynamics-of-the-driving-force-during-the-normal-vocal-fold-vibration-cycle
#11
Philippe Henri DeJonckere, Jean Lebacq, Ingo R Titze
Intraglottal pressure is the driving force of vocal fold vibration. Theoretically, simultaneous quantification of glottal area and transglottal airflow allows the calculation of the intraglottal pressure waveform during a single vibration cycle. In this study, we show that, by combining photoglottography (transglottal light transmission) and airflow (Rothenberg mask) measurements during sustained vocal emissions in vivo, the intraglottal pressure wave can be approximated in a way similar to what has been done in models...
May 8, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28495327/vocal-change-patterns-during-a-teaching-day-inter-and-intra-subject-variability
#12
Angélique Remacle, Maëva Garnier, Silvain Gerber, Claire David, Caroline Petillon
OBJECTIVES: The study aimed to describe the average response of 22 female teachers to vocal fatigue during a workday, to examine their inter- and intra-subject variability, and to establish a typology of different responses to vocal fatigue. METHODS: Fundamental frequency (F0), harmonics-to-noise ratio (HNR), jitter, and shimmer were measured for each participant on sustained vowels at the beginning and at the end of the workday, on three different times of the school year...
May 8, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28493220/continuous-intraoperative-neural-monitoring-in-thyroid-surgery-a-mexican-experience
#13
Karla Verónica Chávez, Jackeline Ramírez, Juan Pablo Pantoja, Mauricio Sierra, David Velázquez-Fernández, Miguel F Herrera
Intraoperative continuous neural monitoring (C-IONM) during thyroid surgery has been recognized as a useful tool to identify and confirm recurrent laryngeal nerve integrity. The aim of the present study is to analyze electromyographic features and thresholds for normal vocal fold function in our initial experience with C-IONM in thyroid surgery. C-IONM was utilized in 57 patients who underwent thyroid surgery between July 2012 and December 2015. EMG parameters were analyzed looking for potential predictors of postoperative vocal fold dismotility...
May 10, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28492834/apoptosis-and-vocal-fold-disease-clinically-relevant-implications-of-epithelial-cell-death
#14
Carolyn K Novaleski, Bruce D Carter, M Preeti Sivasankar, Sheila H Ridner, Mary S Dietrich, Bernard Rousseau
Purpose: Vocal fold diseases affecting the epithelium have a detrimental impact on vocal function. This review article provides an overview of apoptosis, the most commonly studied type of programmed cell death. Because apoptosis can damage epithelial cells, this article examines the implications of apoptosis on diseases affecting the vocal fold cover. Method: A review of the extant literature was performed. We summarized the topics of epithelial tissue properties and apoptotic cell death, described what is currently understood about apoptosis in the vocal fold, and proposed several possible explanations for how the role of abnormal apoptosis during wound healing may be involved in vocal pathology...
May 24, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28489246/atypical-presentation-of-vocal-fold-granulomas
#15
Raj B Patel, Aaron Jaworek, Robert T Sataloff
No abstract text is available yet for this article.
April 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28485825/new-evidence-of-cutaneous-leishmaniasis-in-north-eastern-italy
#16
V Gaspari, M Ortalli, M P Foschini, C Baldovini, A Lanzoni, R Cagarelli, P Gaibani, G Rossini, C Vocale, R Tigani, G A Gentilomi, C Misciali, S Pesci, A Patrizi, M P Landini, S Varani
BACKGROUND: Human leishmaniasis is on increase the in Mediterranean Europe. However, the exact prevalence of cutaneous leishmaniasis (CL) is largely unknown as underdiagnosis and underreporting are common. OBJECTIVE: To evaluate epidemiological, clinico-pathological and microbiological aspects of CL cases occurring in the Bologna province, north-eastern Italy. METHODS: We performed a retrospective, observational study on CL cases diagnosed in the Bologna province between January 2013 and December 2015...
May 9, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28485294/medialization-thyroplasty-in-glottis-insufficiency-due-to-unilateral-vocal-fold-paralysis-and-after-laser-cordectomies-preliminary-report
#17
Anna Rzepakowska, Ewa Osuch-Wójcikiewicz, Ewelina Sielska-Badurek, Kazimierz Niemczyk
Medialization thyroplasty (type I) is surgical procedure performed on the thyroid cartilage. The major indication for this surgery is significant glottis insufficiency due to unilateral vocal fold paresis. However the proce¬dure is also performed after vocal fold resections during cordectomy. THE AIM: The evaluation of voice results in patients after medialisation throplasty. MATERIAL AND METHODS: In Otolaryngology Department of Medical University of Warsaw there were performed so far 8 thyroplasty procedures under local anaesthesia with implantation of medical silicon protesis...
February 28, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28483222/endoscopic-management-of-bilateral-vocal-fold-paralysis-in-newborns-and-infants
#18
Sahba Sedaghat, Mario Tapia, Felipe Fredes, Pablo Rojas
INTRODUCTION: Bilateral vocal cord paralysis in adducted position (BVCPAd) is a severe cause of airway obstruction and usually debuts with stridor and airway distress necessitating immediate intervention. Tracheostomy has long been the gold standard for treating this condition, but has significant associated morbidity and mortality in pediatric patients. New conservative procedures have emerged to treat this condition thus avoiding tracheostomy, like endoscopic anterior and posterior cricoid split (EAPCS)...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28476217/apoptosis-in-vocal-fold-polyps
#19
Abdul-Latif Hamdan, Georges Tabet, Zein Saadeddin, Rachel Btaiche, Ibrahim Khalifeh
OBJECTIVE: To examine the degree of apoptosis and its role in the pathogenesis of polyps of the vocal folds. MATERIAL AND METHOD: A review of the pathology department's archives for patients diagnosed with vocal fold polyps between 2010 and 2016 has been conducted. As a control group, gross and microscopically intact vocal fold from laryngectomy specimens was collected. A total of 61 vocal fold polyps from 51 patients and 41 unremarkable vocal folds from the control group were identified...
May 2, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28476216/potential-causative-factors-for-saccular-disorders-association-with-smoking-and-other-laryngeal-pathologies
#20
Oded Cohen, Sharon Tzelnick, Yael Shapira Galitz, Hagit Shoffel-Havakuk, Moshe Hain, Doron Halperin, Yonatan Lahav
OBJECTIVE: To describe risk factors, clinical presentation, and outcome of patients with saccular disorders. STUDY DESIGN: Case control with chart review METHODS: A single center retrospective study. Case group included all adult patients, presenting with saccular disorders (saccular cyst or laryngocele), between the years 2010 and 2015. A matched group of patients with vocal fold cyst served as the control. RESULTS: Twenty-nine patients met the inclusion criteria: 15 males and 14 females; the mean age was 60...
May 2, 2017: Journal of Voice: Official Journal of the Voice Foundation
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