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Vocal cord guide

Ljubica Fustar Preradovic, Davorin Danic, Radan Dzodic
Parathyroid cysts (PCs) account for less than 1% of all parathyroid lesions and are most commonly located along thyroid lobes, rarely at ectopic sites. PCs are important because they can pose a differential diagnostic challenge against other cystic formations of the neck. PCs can be functional (elevated serum parathyroid hormone level) and nonfunctional. Four cases of nonfunctional PCs are presented. All four female patients underwent physical examination and ultrasonography of the neck with ultrasound-guided fine-needle aspiration biopsy (UG-FNA)...
October 19, 2016: Endocrine Journal
Michael Gottlieb, Vibhu Sharma, John Field, Michael Rozum, John Bailitz
INTRODUCTION: Patients with severe pulmonary hemorrhage due to unilateral trauma or a bleeding cancer often present to the emergency department in acute respiratory distress. Although it is generally recommended to perform single lung intubation, most emergency department providers do not have access to or are not familiar with double-lumen endotracheal tubes, and blind insertion of an endotracheal tube to maximum depth does not ensure that the proper (nonhemorrhagic) lung is ventilated...
August 27, 2016: American Journal of Emergency Medicine
Jared M Pisapia, Nikhil R Nayak, Ryan D Salinas, Luke Macyszyn, John Y K Lee, Timothy H Lucas, Neil R Malhotra, H Isaac Chen, James M Schuster
OBJECTIVE As odontoid process fractures become increasingly common in the aging population, a technical understanding of treatment approaches is critical. 3D image guidance can improve the safety of posterior cervical hardware placement, but few studies have explored its utility in anterior approaches. The authors present in a stepwise fashion the technique of odontoid screw placement using the Medtronic O-arm navigation system and describe their initial institutional experience with this surgical approach...
August 12, 2016: Journal of Neurosurgery. Spine
E Alfonsi, M Terzaghi, G Cosentino, C Tassorelli, R Manni, N Pozzi, R De Icco, G Bertino, M Todisco, E Alvisi, M Fresia, C Pacchetti, R Zangaglia, P Prunetti, A Moglia
BACKGROUND: Nocturnal stridor and respiratory abnormalities are important features of multiple system atrophy (MSA) with relevance to patient survival, and they are detected and evaluated mainly through video-polysomnography (video-PSG). Diurnal laryngoscopy seems to yield abnormal findings only in the presence of significant vocal cord (VC) dysfunction. AIM: To assess whether specific electrophysiological patterns of diurnal EMG of VC muscles may indicate nocturnal stridor or respiratory dysfunctions in MSA patients...
October 2016: Parkinsonism & related Disorders
David Arsanious, Spiro Khoury, Edgar Martinez, Ali Nawras, Gregory Filatoff, Hossam Ajabnoor, Umar Darr, Joseph Atallah
UNLABELLED: Hiccups are actions consisting of sudden contractions of the diaphragm and intercostals followed by a sudden inspiration and transient closure of the vocal cords. They are generally short lived and benign; however, in extreme and rare cases, such as esophageal carcinoma, they can become persistent or intractable, up to and involving significant pain, dramatically impacting the patient's quality of life. This case involves a 60-year-old man with a known history of squamous cell carcinoma of the esophagus...
May 2016: Pain Physician
Giovanni Tomasello, Francesco Damiani, Giovanni Cassata, Vincenzo Davide Palumbo, Emanuele Sinagra, Provvidenza Damiani, Antonino Bruno, Luca Cicero, Francesco Cupido, Francesco Carini, Attilio Ignazio Lo Monte
INTRODUCTION: Endotracheal intubation in the rat is difficult because of the extremely small size of anatomical structures (oral cavity, epiglottis and vocal cords), small inlet for an endotracheal tube and the lack of proper technical instruments. MATERIAL AND METHODS: In this study we used seventy rats weighting 400-500 g. The equipment needed for the intubation was an operating table, a longish of cotton, a cotton tip, orotracheal tube, neonatal laryngoscope blades, KTR4 small animal ventilator and isoflurane for inhalation anaesthesia...
2016: Acta Bio-medica: Atenei Parmensis
Sevtap Akbulut, Rahsan Inan, Mehmet Gökhan Demir, Dogan Cakan
Laryngeal electromyography is used in the evaluation of vocal cord paralysis to confirm the diagnosis, to guide the diagnostic work-up for etiology, to provide prognostic information and to help choose the correct treatment for the patient. Cardiovocal syndrome is characterised by vocal cord paralysis due to a cardiovascular disease. A wide spectrum of conditions can result in this syndrome. Here we present a case of cardiovocal syndrome in association with primary pulmonary hypertension. Laryngeal electromyography was used to guide the work-up of differential diagnosis and also for further intervention with respect to vocal cord paralysis in this patient...
2016: Acta Medica (Hradec Králové)
Sidharth V Puram, Harold Chow, Che-Wei Wu, James T Heaton, Dipti Kamani, Gautham Gorti, Feng Yu Chiang, Gianlorenzo Dionigi, Marcin Barczynski, Rick Schneider, Henning Dralle, Kerstin Lorenz, Gregory W Randolph
OBJECTIVES/HYPOTHESIS: Injury to the recurrent laryngeal nerve (RLN) is a dreaded complication of endocrine surgery. Intraoperative neural monitoring (IONM) has been increasingly utilized to assess the functional status of the RLN. Although the posterior cricoarytenoid muscle (PCA) is innervated by the RLN as the abductor of the larynx, PCA electromyography (EMG) is infrequently recorded during IONM and PCA activity after RLN compressive injury remains poorly characterized. STUDY DESIGN: Single-subject prospective animal study...
April 26, 2016: Laryngoscope
Ryan K Orosco, Elamprakash N Savariar, Philip A Weissbrod, Julio A Diaz-Perez, Michael Bouvet, Roger Y Tsien, Quyen T Nguyen
BACKGROUND AND OBJECTIVES: Molecularly targeted fluorescent molecules may help detect tumors that are unseen by traditional white-light surgical techniques. We sought to evaluate a fluorescent ratiometric activatable cell penetrating peptide (RACPP) for tumor detection in a transgenic model of PTC. METHODS: Thirteen BRAFV600E mice with PTC were studied-seven injected intravenously with RACPP, four controls with saline. Total thyroidectomy was performed with microscopic white-light visualization...
February 2016: Journal of Surgical Oncology
Chieh-Shou Su, Hui-Chin Lai, Chih-Yen Wang, Wen-Lieng Lee, Kuo-Yang Wang, Ya-Ling Yang, Li-Chun Wang, Chia-Ning Liu, Tsun-Jui Liu
BACKGROUND: Tracheal intubation of laboratory mice remains essential yet challenging for most researchers. The aim of this study was to investigate whether this procedure can be more efficiently and safely accomplished by a novel method using slim and torqueable guidewires to guide access to the trachea. METHODS: This study was carried out in an animal laboratory affiliated to a tertiary medical center. Mice weighing 22 to 28 g were subjected to various open-chest experiments after being anesthetized with intraperitoneal ketamine (100 mg/kg) and lidocaine hydrochloride (10 mg/kg)...
2016: BMC Anesthesiology
Hironobu Ueshima, Kazuhisa Terao, Akira Kitamura
A 74-year-old female patient underwent a coil embolization for an unruptured cerebral aneurysm. A routine anesthetic protocol was devised as there was no risk of a difficult airway. We attempted to intubate by using direct laryngoscopy but were unable to because the mouth only opened approximately one finger-breadth. We then attempted to intubate using Mc-GRATH® MAC laryngoscopy; the McGRATH® MAC laryngoscope could be inserted orally by force, but a tracheal tube and stylet could not been guided into the glottis...
October 2015: Masui. the Japanese Journal of Anesthesiology
Itai Shavit, Barak Levit, Nofar Ben Basat, Dekel Lait, Mostafa Somri, Luis Gaitini
BACKGROUND: Establishing a definitive airway, defined as a tube placed in the trachea with cuff inflated below the vocal cords, is standard of care in pre-hospital airway management of the trauma patient. However, in this setting, and using manual in-line stabilisation of the neck, success rate of intubation by inexperience providers is suboptimal. The use of supraglottic airway devices that allow blind tracheal intubation has been suggested as an alternative method by the Advanced Trauma Life Support (ATLS) programme of the American College of Surgeons...
November 2015: Injury
Abrahim Al-Mamgani, Stefan L S Kwa, Lisa Tans, Michael Moring, Dennie Fransen, Robert Mehilal, Gerda M Verduijn, Rob J Baatenburg de Jong, Ben J M Heijmen, Peter C Levendag
PURPOSE: To report, from a retrospective analysis of prospectively collected data, on the feasibility, outcome, toxicity, and voice-handicap index (VHI) of patients with T1a glottic cancer treated by a novel intensity modulated radiation therapy technique developed at our institution to treat only the involved vocal cord: single vocal cord irradiation (SVCI). METHODS AND MATERIALS: Thirty patients with T1a glottic cancer were treated by means of SVCI. Dose prescription was set to 16 × 3...
October 1, 2015: International Journal of Radiation Oncology, Biology, Physics
Inderpal S Sarkaria, David J Finley, Manjit S Bains, Prasad S Adusumilli, Nabil P Rizk, James Huang, Robert J Downey, Valerie W Rusch, David R Jones
OBJECTIVE: Although the technical aspects of robotic video-assisted thoracic surgery (RVATS) for lung resections may be advantageous, compared with standard thoracoscopy, complications of chylothorax and recurrent laryngeal nerve injury (RLNI) associated with mediastinal lymph node dissection (MLND) may be significant. METHODS: Consecutive patients who underwent RVATS anatomic lung resection for suspected or confirmed cancer and experienced RLNI or chylothorax were identified and reviewed from a prospectively maintained database...
May 2015: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
C Ding, P Lee, S Jiang
PURPOSE: To compare dosimetric data of patients treated for early-stage larynx cancer on Cyberknife and Linac IMRT. METHODS: Nine patients were treated with Cyberknife to a dose of 45 Gy in 10 fractions of the involved hemilarynx. The prescription dose provided at least 95% of PTV coverage. After Cyberknife treatment, the CT images and contours were sent to Pinnacle treatment planning system for IMRT planning on a regular SBRT linac with same dose prescription and constrains...
June 2015: Medical Physics
Jin Yong Jung
Traumatic brain injury (TBI) is usually combined with cervical spine (C-spine) injury. The possibility of C-spine injury is always considered when performing endotracheal intubation in these patients. Rapid sequence intubation is recommended with adequate sedative or analgesics and a muscle relaxant to prevent an increase in intracranial pressure during intubation in TBI patients. Normocapnia and mild hyperoxemia should be maintained to prevent secondary brain injury. The manual-in-line-stabilization (MILS) technique effectively lessens C-spine movement during intubation...
June 2015: Korean Journal of Anesthesiology
Tobias Bruegmann, Tobias van Bremen, Christoph C Vogt, Thorsten Send, Bernd K Fleischmann, Philipp Sasse
Optogenetic stimulation allows activation of cells with high spatial and temporal precision. Here we show direct optogenetic stimulation of skeletal muscle from transgenic mice expressing the light-sensitive channel Channelrhodopsin-2 (ChR2). Largest tetanic contractions are observed with 5-ms light pulses at 30 Hz, resulting in 84% of the maximal force induced by electrical stimulation. We demonstrate the utility of this approach by selectively stimulating with a light guide individual intralaryngeal muscles in explanted larynges from ChR2-transgenic mice, which enables selective opening and closing of the vocal cords...
2015: Nature Communications
Fengxiang Bao, Shujia Zhang, Yanping Zhang, Xuetao Zhu, Weiwei Liu
OBJECTIVE: Through the analysis of coagulation convention and blood routine parameters of sudden hearing loss (SHL) patients, further prove the correlation of sudden deafness and the the inner ear microcirculation, to guide clinical diagnosis and treatment. METHOD: Select 424 patients (448 ears) with sudden deafness in our department to SHL group. According to hearing curve is classified into low intermediate frequency descent group, high frequency drop and full frequency group, and drawing 244 cases in the same period of hospitalization deviated septum, vocal cord polyp patients as control group...
January 2015: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
Qingjun Gao, Daiwei Zhao
OBJECTIVE: To investigate the clinical application of carbon nanoparticles staining in cervical lymph node dissection on clinical neck lymph nodes the negative (cN0 period) thyroid papillary thyroid carcinoma (PTC). METHOD: This retrospective analysis comprised 100 papillary thyroid cancer patients who met inclusion criteria,and they were randomly divided into the nano-carbon group (50 cases) and control group (50 cases). They underwent lobectomy, subtotal thyroidectomy or total thyroidectomies and were given elective central compartment neck dissection (CCND)...
December 2014: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
S J Fowler, A Thurston, B Chesworth, V Cheng, P Constantinou, A Vyas, S Lillie, J Haines
BACKGROUND: Vocal cord dysfunction (VCD) typically involves abnormal adduction of the vocal cords during inspiration, mimics the symptoms of asthma and leads to the prescription of ineffective medications. OBJECTIVE: We aimed to develop a clinical tool to monitor symptoms and response to treatment in confirmed VCD. METHODS: We collated symptoms of VCD from focus groups comprising patients and healthcare professionals; phrases describing these symptoms were assessed for face validity and internal correlation and rated for importance...
September 2015: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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