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Laryngeal paralysis

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
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
J Ganjei, A Langenbach, G Watrous, J Hodgson
OBJECTIVE: To document the most common types of bacteria isolated from the canine larynx and to compare isolates, degree of growth and susceptibility patterns between dogs with laryngeal paralysis and dogs with normal laryngeal function. METHODS: Laryngeal swabs were collected from each patient and submitted for bacterial culture and susceptibility testing. Dogs with laryngeal paralysis (n=23) underwent a unilateral arytenoid lateralisation and control dogs (n=24) underwent an elective orthopaedic procedure...
October 13, 2016: Journal of Small Animal Practice
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
Ann E Heffernan, Jeffery J Biskup, Betty A Kramek, Greg M Anderson
This retrospective study assesses postoperative complications with simultaneous staphylectomy and unilateral arytenoid lateralization (SP + UAL) in dogs with laryngeal paralysis and concurrent elongation of the soft palate compared to dogs having a UAL alone. Medical records of dogs having a UAL performed from 2010 to 2013 were reviewed. Twenty-three dogs were diagnosed with a concurrent elongated soft palate and had a SP + UAL performed and 89 dogs were diagnosed with an appropriate soft palate and had only a UAL performed...
October 2016: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
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
Chukwudi O Chiaghana, Caleb A Awoniyi
Hemidiaphragmatic paralysis is the most common adverse effect associated with interscalene block. In most cases, it resolves with the resolution of nerve blockade with only an estimated incidence of 0.048% persisting for longer duration. Occasionally, interscalene block is also associated with recurrent laryngeal nerve block and seldom with cranial nerve paresis. We present a case of delayed onset and prolonged hemidiaphragmatic paralysis that was associated with 3 cranial nerve deficits after interscalene nerve block for shoulder surgery performed under general anesthesia in the beach chair position...
November 2016: Journal of Clinical Anesthesia
Paolo Del Rio, Piercosimo Nisi, Sara Benedicenti, Elisa Bertocchi, Enrico Luzietti, Mario Sianesi
AIM: To evaluate the learning curve in the use of intraoperative neuromonitoring of recurrent laryngeal nerve and vagus in thyroid surgery. MATERIALS OF THE STUDY: We analyzed 140 pts treated consecutively for thyroid disease. All the patients were neuromonitored with Intraoperative neuromonitoring of recurrent laryngeal nerve and vagus. We divided these patients in 7 groups to collect the adverse events during our learning curve. RESULTS: We monitored consecutively 271 nerves...
2016: Annali Italiani di Chirurgia
Sayaka Kuba, Kosho Yamanouchi, Naomi Hayashida, Shigeto Maeda, Toshiyuki Adachi, Chika Sakimura, Fusako Kawakami, Hiroshi Yano, Megumi Matsumoto, Ryota Otsubo, Shuntaro Sato, Hikaru Fujioka, Tamotsu Kuroki, Takeshi Nagayasu, Susumu Eguchi
BACKGROUND: In patients with papillary thyroid carcinoma (PTC), the role of total thyroidectomy (TT) versus that of thyroid lobectomy (TL) has been controversial. METHODS: This retrospective study was approved by our institutional review board, and the requirement to obtain informed consent was waived. In total, 173 patients with 1- to 5-cm stage cN0 and cM0 PTC tumors treated by curative surgery from 1994 to 2008 were evaluated. Clinicopathologic features and adverse events were compared between patients who underwent TT and those who underwent TL...
September 24, 2016: International Journal of Surgery
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
David E Holt, Dorothy C Brown, Paula S Henthorn
OBJECTIVE To sequence exons and splice consensus sites of the dynactin subunit 1 (DCTN1) gene in Leonbergers and Labrador Retrievers with clinical laryngeal paralysis. ANIMALS 5 unrelated Leonbergers with laryngeal paralysis, 2 clinically normal Leonbergers, 7 unrelated Labrador Retrievers with laryngeal paralysis, and 2 clinically normal Labrador Retrievers. PROCEDURES Primers were designed for the entire coding regions of the DCTN1 gene, a noncoding exon at the 5´ end of the gene, and a 900-bp single-nucleotide polymorphism (SNP)-rich region located 17 kb upstream of the DCTN1 gene by use of the CanFam3 assembly of the canine genome sequence...
October 2016: American Journal of Veterinary Research
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
Urte Kunz-Zurbuchen, Heinz Johannes Buhr, Hubert G Hotz, Martin E Kreis, Kai S Lehmann
PURPOSE: To evaluate the rate of surgical complications during the change from subtotal resection to hemithyroidectomy or thyroidectomy over a period of 17 years. METHODS: All operations for benign goiter at our hospital were analyzed for the periods 1996-2002 (Group 1) and 2003-2012 (Group 2). The groups were compared for recurrent laryngeal nerve damage, hypocalcemia, and other surgical complications directly postoperatively. RESULTS: In total, 1462 patients were operated on for goiter between 1996 and 2012...
September 19, 2016: Asian Journal of Surgery
Angkoon Anuwong, Matteo Lavazza, Hoon Yub Kim, Che-Wei Wu, Stefano Rausei, Vincenzo Pappalardo, Cesare Carlo Ferrari, Davide Inversini, Andrea Leotta, Antonio Biondi, Feng-Yu Chiang, Gianlorenzo Dionigi
The objective is to compare the consequences of routine visualization (RV) and the application of intermitted (I-IONM), standardized (S-IONM), and continuous monitoring (C-IONM) of recurrent laryngeal nerve (RLN) management. RV includes that 698 RLNs managed solely with visual identification. In a second period 777, RLNs were handled by the I-IONM. The third period 768 RLNs monitoring was performed according to the standards. C-IONM via VN stimulation included 626 RLNs. The following issues were analyzed and compared per each period study: RLN identification rate, branching detection, assessment of NRLN, intraoperative recognizable nerve damage, stage thyroidectomy rate, transient or definitive lesions, bilateral nerve palsy, and recovery time...
September 20, 2016: Updates in Surgery
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
Kiki M Tarvin, David C Twedt, Eric Monnet
OBJECTIVE: To determine the frequency, nature, and magnitude of gastroesophageal reflux (GER) in dogs with laryngeal paralysis (LP). STUDY DESIGN: Prospective comparative clinical study. ANIMALS: Client-owned dogs with LP and healthy client-owned dogs (n = 6 each). METHODS: Dogs underwent sedated laryngeal examination for diagnosis and grading of bilateral LP and for placement of a nasoesophageal dual pH/impedance probe...
October 2016: Veterinary Surgery: VS
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...
September 8, 2016: Journal of Laryngology and Otology
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
Gosuke Takiguchi, Tetsu Nakamura, Yasunori Otowa, Ayako Tomono, Shingo Kanaji, Taro Oshikiri, Satoshi Suzuki, Tsukasa Ishida, Yoshihiro Kakeji
Liposarcoma of the esophagus is very rare. We experienced a huge (27.5 × 11.6 cm) liposarcoma of the esophagus. A 73-year-old man presented with severe dyspnea requiring emergency tracheal intubation. Computed tomography and esophagogastroduodenoscopy showed a large submucosal tumor arising from the esophageal entrance and extending intraluminally to the lower esophagus. We successfully performed endoscopic submucosal dissection (ESD) and esophagotomy to remove the tumor, which preserved swallowing and phonation...
December 2016: Surgical Case Reports
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...
August 31, 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
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