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https://www.readbyqxmd.com/read/28815834/innervation-of-the-human-posterior-cricoarytenoid-muscle-by-the-external-branch-of-the-superior-laryngeal-nerve
#1
Mehmet Uludag, Nurcihan Aygun, Kinyas Kartal, Evren Besler, Adnan Isgor
BACKGROUND: The posterior cricoarytenoid muscle is the abductor muscle for the vocal cords and is innerved by the recurrent laryngeal nerve (RLN). The purpose of this study was to present our determination if the external branch of the superior laryngeal nerve (SLN) contributes to the motor innervation of the posterior cricoarytenoid muscle. METHODS: We performed electromyographies (EMGs) via needle electrodes on 47 posterior cricoarytenoid muscles from 28 patients during thyroidectomy (9 lobectomies and 19 total thyroidectomies) with intraoperative neural monitoring...
August 17, 2017: Head & Neck
https://www.readbyqxmd.com/read/28798877/previously-undiagnosed-spinal-and-bulbar-muscular-atrophy-as-a-cause-of-airway-obstruction-after-robot-assisted-laparoscopic-prostatectomy
#2
Miyuki Niki, Taihei Tachikawa, Yuka Sano, Hiroki Miyawaki, Aisa Matoi, Yukari Okano, Nobutaka Kariya, Tsuneo Tatara, Munetaka Hirose
BACKGROUND: Preoperative vocal cord paralysis is a risk factor for postoperative respiratory distress following extubation after general anesthesia. We present an unusual case where a geriatric patient developed airway obstruction after robot-assisted laparoscopic prostatectomy. CASE PRESENTATION: A 67-year-old male, who had suffered from left vocal cord paralysis of unknown etiology, was scheduled for robot-assisted laparoscopic prostatectomy (RALP). General anesthesia was performed without any problems...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28791468/functional-outcomes-of-endoscopic-arytenoid-abduction-lateropexy-for-unilateral-vocal-cord-paralysis-with-dyspnea
#3
Vera Matievics, Adam Bach, Balazs Sztano, Zsofia Bere, Zoltan Tobias, Paul F Castellanos, Andreas H Mueller, Laszló Rovo
In unilateral vocal cord paralysis (UVCP), hoarseness is usually the leading symptom; however, the diminished airway might lead to breathing problems as well, especially with exertion. The application of the classic resection glottis enlarging or medialization procedures might shift the breathing and/or the voice to a worse condition. The non-destructive endoscopic arytenoid abduction lateropexy (EAAL) might be a solution for this problem. The aim of our study was to analyze the phonatory and respiratory outcomes of this treatment concept...
August 8, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28759458/pharyngolaryngeal-symptoms-associated-with-thyroid-disease
#4
Inn-Chul Nam, Young-Hak Park
PURPOSE OF REVIEW: The current review summarizes previous reports on laryngopharyngeal symptoms associated with thyroid disease. This review also includes pharyngolaryngeal symptoms caused by thyroidectomy. However, we focus on pharyngolaryngeal symptoms following uncomplicated thyroidectomy, as this is an important issue in the fields of otolaryngology. RECENT FINDINGS: An enlarged thyroid gland, as in thyroiditis, multinodular goiter, or large nodules, can cause compressive symptoms...
July 28, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28757854/vocal-cord-dysfunction-ultrasonography-aided-diagnosis-during-routine-airway-examination
#5
Amarjeet Kumar, Chandni Sinha, Akhilesh Kumar Singh, Umesh Kumar Bhadani
No abstract text is available yet for this article.
July 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28757830/a-feasibility-study-to-assess-vallecula-and-pyriform-sinus-using-protocol-based-ultrasonic-evaluation-of-floor-of-mouth-and-upper-airway
#6
Kulvinder Singh, Saru Singh, Ruchi Gupta, Chiranjeev Gathwal, Pranav Bansal, Manjeet Singh
PURPOSE: The current study aimed to systematically evaluate the sonoanatomy of floor of the mouth and upper airway using protocol-based ultrasonography (USG); and to assess the feasibility of imaging the valleculae and pyriform fossae. MATERIALS AND METHODS: An institutional prospective observational study was planned on fifty volunteers of all ages and both sexes, attending outpatient department for nonairway-related diseases. Protocol for ultrasonographic systemic evaluation was designed before starting the trial...
July 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28752427/a-novel-lateral-approach-to-the-assessment-of-vocal-cord-movement-by-ultrasonography
#7
Takahiro Fukuhara, Ryohei Donishi, Eriko Matsuda, Satoshi Koyama, Kazunori Fujiwara, Hiromi Takeuchi
BACKGROUND: Ultrasonography is a non-invasive technique that is commonly used by endocrinologists and endocrine surgeons to examine the thyroid region and could be useful for the assessment of vocal cord movement by these specialists. However, previous studies reported a low rate of successful visualization of vocal cord movement by ultrasonography. To address this issue, we devised a novel ultrasonographic procedure for assessing vocal cord movement indirectly by observing the arytenoid movement from a lateral view...
July 27, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28752291/composition-and-abundance-of-microbiota-in-the-pharynx-in-patients-with-laryngeal-carcinoma-and-vocal-cord-polyps
#8
Hongli Gong, Boyan Wang, Yi Shi, Yong Shi, Xiyan Xiao, Pengyu Cao, Lei Tao, Yuezhu Wang, Liang Zhou
The pharynx is an important site of microbiota colonization, but the bacterial populations at this site have been relatively unexplored by culture-independent approaches. The aim of this study was to characterize the microbiota structure of the pharynx. Pyrosequencing of 16S rRNA gene libraries was used to characterize the pharyngeal microbiota using swab samples from 68 subjects with laryngeal cancer and 28 subjects with vocal cord polyps. Overall, the major phylum was Firmicutes, with Streptococcus as the predominant genus in the pharyngeal communities...
August 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28737956/hypophonia-as-a-sign-of-thalamus-lesion-a-case-report
#9
Claudia Rodríguez-López, Blanca Ayuso García, Sara Moreno García
Hypophonia is a neurological sign usually seen after brainstem or peripheral damage, either at the recurrent laryngeal nerve or vocal cord level. However, it has been described as a sign of supratentorial strokes in a few studies, specifically when anterior and ventral thalamic involvement is reported. In addition, it is a prominent sign of other neurological disorders such as Parkinson disease and other extrapyramidal conditions. We describe a case of hypophonia secondary to a left thalamic hemorrhage, after a careful search of other potential causes of this deficit, and we discuss the underlying neuroanatomical circuits...
August 6, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28734186/bilateral-vocal-cord-palsy-after-total-thyroidectomy-a-new-treatment-case-reports
#10
Fong-Fu Chou, Cheng-Ming Hsu, Chi-Chih Lai, Yi-Chia Chan, Shun-Yu Chi
INTRODUCTION: Dyspnea due to bilateral vocal cord palsy after total thyroidectomy (BVCPATT) is a life-threatening complication; nevertheless, we try to avoid tracheotomy. METHODS: Using normalized glottal area (NGA), we retrospectively studied 14 patients with BVCPATT. Nine patients without dyspnea were treated conservatively, while five with dyspnea received immediate bilevel positive air-way pressure (BiPAP) treatment. Both right and left recurrent nerves were grossly intact during surgery...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28727542/single-session-high-intensity-focused-ultrasound-treatment-for-persistent-or-relapsed-graves-disease-preliminary-experience-in-a-prospective-study
#11
Brian Hung-Hin Lang, Yu-Cho Woo, Ian Yat-Hin Wong, Keith Wan-Hang Chiu
Purpose To evaluate the safety and efficacy of ultrasonography (US)-guided high-intensity focused ultrasound (HIFU) ablation as a treatment for medically refractory Graves disease (GD). Materials and Methods After ethics approval, a prospective trial (NCT02685514) was performed from November 2015 to February 2016. Thirty patients underwent ablation of the entire right and left thyroid lobes, with areas near the tracheal-esophageal groove and common carotid artery left unablated. Serum thyroid-stimulating hormone (TSH), free T4 (FT4), antithyroid autoantibodies, and TSH receptor (TSHR) antibody levels were evaluated afterward, and US color Doppler, US volumetry, and eye assessment were performed...
July 20, 2017: Radiology
https://www.readbyqxmd.com/read/28726141/transoral-robotic-thyroidectomy-lessons-learned-from-an-initial-consecutive-series-of-24-patients
#12
Hoon Yub Kim, Young Jun Chai, Gianlorenzo Dionigi, Angkoon Anuwong, Jeremy D Richmon
BACKGROUND: Transoral thyroid surgery is an ideal method for minimally invasive thyroidectomy, as there is less flap dissection during the procedure and no postoperative scars. Nonetheless, technical obstacles have precluded the wide dissemination of this procedure. We present the surgical procedures and outcomes of transoral robotic thyroidectomy (TORT). METHODS: From September 2012 to June 2016, we performed TORT at Korea University Hospital. We used three intraoral ports and a single axillary port for the system's four robotic arms...
July 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28719756/medialization-laryngoplasty-in-the-elderly-outcomes-and-expectations
#13
Andrew Jay Bowen, Tiffany L Huang, Michael S Benninger, Paul C Bryson
Objective To describe the profile and outcomes of elderly patients undergoing medialization laryngoplasty for vocal cord paralysis. Study Design Case series with retrospective review. Setting Tertiary care hospital. Subjects and Methods Patients were included in the study if they were >65 years old at the time of medialization laryngoplasty between 2008 and 2015. Patient comorbidities, anticoagulation status, disease etiology, and physical examination findings were recorded with postoperative length of stay, complications, pre- and posttreatment voice outcomes with the Voice Handicap Index (at 6 weeks, 4 months, 8 months, and 1 year), and postprocedural interventions (revision injections, surgery, therapy)...
July 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28714203/posterior-cordotomy-in-bilateral-vocal-cord-paralysis-using-monopolar-microelectrodes-and-radiofrequency-in-18-patients
#14
J Basterra, Y Castillo-Lopez, R Reboll, E Zapater, C Olavarria, F Krause, R Hernandez, M Torres, F Tocornal
Posterior cordotomy is an option in the surgical treatment of bilateral vocal cord paralysis in adduction. We present results obtained in 18 patients with bilateral vocal cord paralysis in adduction treated using microelectrodes terminal with tips in several angles, and a radiofrequency generator from 2008 to 2013. The functional outcome was evaluated using postoperative spirometry, the decannulation time, and swallowing. All patients except one were successfully decannulated and showed an increase in mid-inspiratory flow rates...
July 17, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28710395/alterations-of-microbiota-structure-in-the-larynx-relevant-to-laryngeal-carcinoma
#15
Hongli Gong, Yi Shi, Xiyan Xiao, Pengyu Cao, Chunping Wu, Lei Tao, Dongsheng Hou, Yuezhu Wang, Liang Zhou
The microbial communities that inhabit the laryngeal mucosa build stable microenvironments and have the potential to influence the health of the human throat. However, the associations between the microbiota structure and laryngeal carcinoma remain uncertain. Here, we explored this question by comparing the laryngeal microbiota structure in laryngeal cancer patients with that in control subjects with vocal cord polyps through high-throughput pyrosequencing. Overall, the genera Streptococcus, Fusobacterium, and Prevotella were prevalent bacterial populations in the laryngeal niche...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28708629/successful-assessment-of-vocal-cord-palsy-before-tracheal-extubation-by-laryngeal-ultrasonography-in-a-patient-after-esophageal-surgery-a-case-report
#16
Natsuhiro Yamamoto, Yoshikazu Yamaguchi, Takeshi Nomura, Osamu Yamaguchi, Takahisa Goto
Laryngeal ultrasonography has mainly been performed after tracheal extubation. However, improvements in ultrasound technology now allow assessment of vocal cord function even under conditions of endotracheal intubation. We report herein the use of laryngeal ultrasonography in an endotracheally intubated patient after esophagectomy, which allowed us to make the presumptive diagnosis of bilateral recurrent nerve palsy before tracheal extubation. Our experience suggests that laryngeal ultrasonography may be useful in assessing vocal cord function even in endotracheally intubated patients, although the indications and efficacy remain to be determined...
July 13, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28708442/relationship-between-laryngoscopic-and-pathological-characteristics-of-vocal-cords-leukoplakia
#17
Na Zhang, Lei Cheng, Min Chen, Jian Chen, Yue Yang, Ming Xie, Cai Li, Xiao-Ling Chen, Liang Zhou, Hai-Tao Wu
BACKGROUND: To explore the relationship between the morphological characteristics and pathological diagnosis of vocal cords leukoplakia. METHODS: A total of 1635 vocal cords were collected. The morphology were classified into three types (Type I, II, III): flat and smooth; bulge and smooth; bulge and rough. The pathological reports were classified into five groups: no dysplasia, mild dysplasia, moderate dysplasia, severe dysplasia and cancerization. The number of the patients or vocal cords in each type and group was counted and their ratio was compared...
July 14, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28695785/ct-study-of-the-arytenoid-cartilage-in-patients-with-laryngeal-contact-granuloma
#18
Jinrang Li, Shiyu Tian, Shizhen Zou, Qingjun Wang, Xuhui Tai, Xuesong Chen
Objective To explore high-resolution computed tomography (HRCT) characteristics of arytenoid cartilage in patients with laryngeal contact granuloma (LCG). Setting Tertiary hospitals. Study Design Individual case-control study. Methods HRCT scans were obtained before treatment from 42 patients with LCG. Similar scans were obtained from 50 patients with glottic laryngeal cancer or vocal cord leukoplakia without vocal process involvement. Results Forty-two male patients with LCG were enrolled in the study. There were 41 patients with unilateral vocal cord lesions, and 1 patient had bilateral lesions...
July 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28688160/unilateral-vocal-cord-paralysis-after-surgical-closure-of-a-patent-ductus-arteriosus-in-extremely-preterm-infants
#19
Pramod Pharande, Sathiyapriya Karthigeyan, Karen Walker, Daphne D'Cruz, Nadia Badawi, Melissa Luig, David Winlaw, Himanshu Popat
AIM: Left vocal cord paralysis (LVCP) is variably reported post ligation of patent ductus arteriosus (PDA). Our objective was to determine the incidence of LVCP and identify predictive factors and associated morbidities in preterm infants post PDA ligation. METHODS: This is a retrospective cohort study of infants less than 29 weeks gestational age from 2006 to 2014 who underwent PDA ligation. Infants with laryngeal symptoms underwent flexible fibreoptic nasopharyngolaryngoscopy to evaluate vocal cord function...
July 8, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28686378/-common-benign-lesions-of-the-vocal-fold-diagnostic-criteria-and-management
#20
Anne-Claude Guinchard, Valérie Schweizer
The vocal cord or vocal fold is a remarkable structure, capable to support significant physical constraints. When the voice malmenage becomes chronic, it may appear an organic alteration causing nodules, polyps or Reinke edema even a lesion of the posterior glottis, the granuloma. These lesions are benign but lead to dysphonia that can be invalidating. Treatment can be a speech therapy with correction of breath and posture and, in some cases, a surgical treatment. In this article, we describe these common lesions with their histological characteristics and pathophysiological hypotheses which lead to their appearance and treatment...
October 5, 2016: Revue Médicale Suisse
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