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https://www.readbyqxmd.com/read/29166377/the-effect-of-body-position-on-esophageal-reflexes-in-cats-a-possible-mechanism-of-sids
#1
Ivan M Lang, Bidyut K Medda, Reza Shaker, Sudarshan Jadcherla
BACKGROUND: It has been hypothesized that life threatening events are caused by supra-esophageal reflux (SER) of gastric contents which activates laryngeal chemoreflex-stimulated apnea. Placing infants supine decreases the risk of sudden infant death syndrome (SIDS). The aim of this study was to determine whether body position affects esophageal reflexes that control SER. METHODS: We instrumented the pharyngeal and esophageal muscles of decerebrate cats (N=14) to record EMG or manometry, and investigated the effects of body position on the esophago-upper esophageal sphincter (UES) contractile reflex (EUCR), esophago-UES relaxation reflex (EURR), esophagus-stimulated pharyngeal swallow response (EPSR), secondary peristalsis (SP), and pharyngeal swallow (PS)...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29166127/bat-biology-genomes-and-the-bat1k-project-to-generate-chromosome-level-genomes-for-all-living-bat-species
#2
Emma Teeling, Sonja Vernes, Liliana M Davalos, David A Ray, M Thomas P Gilbert, Eugene Myers, Bat K Consortium
Bats are unique among mammals, possessing some of the rarest mammalian adaptations, including true self-powered flight, laryngeal echolocation, exceptional longevity, unique immunity, contracted genomes, and vocal learning. They provide key ecosystem services, pollinating tropical plants, dispersing seeds, and controlling insect pest populations, thus driving healthy ecosystems. They account for more than 20% of all living mammalian diversity, and their crown-group evolutionary history dates back to the Eocene...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29165767/influence-of-laryngeal-mask-airway-lma-insertion-anesthesia-on-cognitive-function-after-microsurgery-in-pediatric-neurosurgery
#3
C-H Fan, B Peng, F-C Zhang
OBJECTIVE: To compare the influence of laryngeal mask airway (LMA) insertion anesthesia and endotracheal intubation on cognitive function during anesthesia for neurosurgery microscopy. PATIENTS AND METHODS: A total of 76 pediatric patients who underwent neurosurgery microscopy were selected. They were randomly divided in the LMA insertion group with 35 cases and the endotracheal intubation group with 41 cases. Before the operation, the two groups were injected with 0...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165435/there-is-no-correlation-between-signs-of-reflux-laryngitis-and-reflux-oesophagitis-in-patients-with-gastro-oesophageal-reflux-disease-symptoms
#4
K Zelenik, I M Kajzrlikova, P Vitek, O Urban, M Hanousek, P Kominek
The objective of the present study was to determine if there is correlation between signs of reflux laryngitis (RL) and reflux oesophagitis (RE) in patients with gastro-oesophageal reflux disease (GORD) symptoms. Laryngeal photography obtained from patients during oesophagogastroduodenoscopy were examined by two otolaryngologists experienced in the field of extra-oesophageal reflux regarding the presence and severity of RL. The presence of RE was evaluated by gastroenterologist. Smokers, heavy drinkers and patients with bronchial asthma were excluded from the statistical analysis...
October 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29164666/expression-of-dcun1d1-in-laryngeal-squamous-cell-carcinoma-and-its-inhibiting-effect-on-tu-177-cells-after-interfered-by-rna
#5
Jing Liu, Yu Shuang, Chao Li, Xuan Zhou, Yongwang Huang, Lun Zhang
Expression of DCUN1D1 in laryngeal squamous cell carcinoma(LSCC) and its inhibition by small interfering RNA(siRNA) target in the TU-177 cells was investigated. Immunohistochemistry was used to detect the expression level of DCUN1D1 in LSCC tissue in 140 cases and analyze its relationship with clinical pathological characteristics. siRNA expression plasmid targeting DCUN1D1 was constructed and transferred into TU-177 cells. The effect of siRNA target DCUN1D1 gene silencing on proliferation, invasion and migration of TU-177 cells were observed by MTS assay and Transwell experiment...
November 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29162343/long-term-voice-quality-outcomes-after-total-thyroidectomy-a-prospective-multicenter-study
#6
Frédéric Borel, Niki Christou, Olivier Marret, Muriel Mathonnet, Cécile Caillard, Sahar Bannani, Delphine Drui, Florent Espitalier, Claire Blanchard, Eric Mirallié
BACKGROUND: Postthyroidectomy voice disorders can occur without any recurrent laryngeal nerve injury, and probably are the most frequent complication after thyroidectomy. We report the long-term voice quality outcomes after total thyroidectomy without vocal cord palsy using a simple self-assessment tool: the voice handicap index self-questionnaire. METHODS: This observational prospective multicenter study included 203 patients from the "ThyrQoL" study (ClinicalTrial NCT02167529), who underwent total thyroidectomy between October 2014 and August 2015 in 3 French Hospitals (Nantes, La Roche-sur-Yon, and Limoges)...
November 18, 2017: Surgery
https://www.readbyqxmd.com/read/29161172/development-of-an-attachable-endoscopic-nerve-stimulator-for-intraoperative-neuromonitoring-during-endoscopic-or-robotic-thyroidectomy
#7
Eui-Suk Sung, Jin-Choon Lee, Seok Hyun Kim, Sung-Chan Shin, Da-Woon Jung, Byung-Joo Lee
We developed a simple attachable endoscopic nerve stimulator that can be connected to monopolar cauterization surgical instruments. This study on porcine models aimed to investigate the feasibility and efficacy of an attachable endoscopic nerve stimulator for intraoperative neuromonitoring (IONM) before application in humans. We evaluated the electromyography (EMG) amplitudes of 8 recurrent laryngeal nerves in 4 pigs with a conventional nerve probe and the attachable endoscopic nerve stimulator. The attachable endoscopic nerve stimulator was feasible and safe in all cases...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29160160/ideal-particle-sizes-for-inhaled-steroids-targeting-vocal-granulomas-preliminary-study-using-computational-fluid-dynamics
#8
Elizabeth L Perkins, Saikat Basu, Guilherme J M Garcia, Robert A Buckmire, Rupali N Shah, Julia S Kimbell
Objectives Vocal fold granulomas are benign lesions of the larynx commonly caused by gastroesophageal reflux, intubation, and phonotrauma. Current medical therapy includes inhaled corticosteroids to target inflammation that leads to granuloma formation. Particle sizes of commonly prescribed inhalers range over 1 to 4 µm. The study objective was to use computational fluid dynamics to investigate deposition patterns over a range of particle sizes of inhaled corticosteroids targeting the larynx and vocal fold granulomas...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29160142/structural-fat-grafting-to-improve-outcomes-of-vocal-folds-fat-augmentation-long-term-results
#9
Giovanna Cantarella, Riccardo F Mazzola, Michele Gaffuri, Elisabetta Iofrida, Pietro Biondetti, Laura V Forzenigo, Lorenzo Pignataro, Sara Torretta
Objective Evaluating the long-term outcomes of vocal fold structural fat grafting. Study Design Case series with chart review. Setting University hospital. Subjects and Methods Seventy-nine dysphonic patients (16-82 years; 55 with unilateral laryngeal paralysis and 24 with vocal fold scarring) underwent vocal fold fat injection. Fat was harvested by low-pressure liposuction and then processed by centrifugation. Refined fat aliquots were placed in the vocal fold and paraglottic space in multiple tunnels to enhance graft neovascularization...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29160138/a-case-of-dedifferentiated-chondrosarcoma-arising-in-the-cricoid-cartilage-that-mimicked-an-aneurysmal-bone-cyst
#10
Lixiao Chen, Ziwei Yu, Rui Jiang, Pin Dong, Bin Shen, Yu Li
Dedifferentiated chondrosarcoma of the larynx is a rare and highly malignant tumor. We present the report of a 59-year-old man with dedifferentiated laryngeal chondrosarcoma, which was difficult to diagnose even under microscopic examination. The original diagnosis was an aneurysmal bone cyst, and the final diagnosis was established only after careful consideration of the imaging, surgical, and microscopic findings. In clinical practice, there are many similarities between dedifferentiated chondrosarcoma and aneurysmal bone cysts...
November 21, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/29160133/inhibition-of-metastasis-and-angiogenesis-in-hep-2-cells-by-wheatgrass-extract-an-in-vitro-and-in-silico-approach
#11
Garima Shakya, Sangeetha Balasubramanian, Muddasarul Hoda, Rukkumani Rajagopalan
Metastasis is the major hindrance in the treatment of all cancers, including laryngeal squamous cell carcinoma. Intensive researches are under way to identify the effective natural polyphenols with anti-metastatic ability for cancer treatment. Wheatgrass, an herbal plant has been reported to show anticancer effects. Hence, in this study, we aimed to analyze the anti-metastatic effect of methanol extract of wheatgrass (MEWG). The levels of metastatic marker proteins were determined by western blot. PI3K and AKT levels were determined by real time (RT)-PCR analysis...
November 21, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29159984/laryngeal-candidiasis-our-experience-from-sixty-biopsy-specimens
#12
Alexander Yao, Timothy J Bates, Jeffery Pearson, Max Robinson, Christopher Ward, Jason Powell
Persistent throat symptoms, such as dysphonia, globus and throat pain, are highly prevalent and are a significant cause of morbidity(1) . In a number of cases a clear cause of these symptoms is not identified and many patients are treated empirically with lifestyle advice and/or anti-reflux medication(2) . This article is protected by copyright. All rights reserved.
November 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29159491/-algorithm-for-securing-an-unexpected-difficult-airway-user-analysis-on-a-simulator
#13
T Ott, K Truschinski, M Kriege, M Naß, S Herrmann, V Ott, S Sellin
BACKGROUND: Critical incidents in difficult airway management are still a main contributory factor for perioperative morbidity and mortality. Many national associations have developed algorithms for management of these time critical events. For implementation of these algorithms the provision of technical requirements and procedure-related training are essential. Severe airway incidents are rare events and clinical experience of the individual operators is limited; therefore, simulation is an adequate instrument for training and evaluating difficult airway algorithms...
November 20, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/29158939/mediastinal-tracheostoma-for-treatment-of-tracheostenosis-after-tracheostomy-in-a-patient-with-mucopolysaccharidosis-induced-tracheomalacia
#14
Yasuhiro Chikaishi, Kenichi Kobayashi, Shuichi Shinohara, Akihiro Taira, Yusuke Nabe, Shinji Shinohara, Taiji Kuwata, Masaru Takenaka, Soichi Oka, Ayako Hirai, Kazue Yoneda, Koji Kuroda, Naoko Imanishi, Yoshinobu Ichiki, Fumihiro Tanaka
Background: Treatment of tracheostenosis after tracheostomy in pediatric patients is often difficult. Mucopolysaccharidosis is a lysosomal storage disease that may induce obstruction of the airways. Case Presentation: A 16-year-old male patient underwent long-term follow-up after postnatal diagnosis of type II mucopolysaccharidosis. At 11 years of age, tracheostomy was performed for mucopolysaccharidosis-induced laryngeal stenosis. One week prior to presentation, he was admitted to another hospital on an emergency basis for major dyspnea...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/29158932/gastric-and-rectal-metastases-from-malignant-melanoma-presenting-with-hypochromic-anemia-and-treated-with-immunotherapy
#15
Pietro Genova, Maria Sorce, Daniela Cabibi, Gaspare Genova, Vittorio Gebbia, Daniela Galanti, Chiara Ancona, Maria Rosaria Valerio
The authors present a case of an 80-year-old Caucasian male with multiple gastric and rectal metastases from malignant melanoma presenting with hypochromic anemia as the sole symptom of disease without evidence of cutaneous and ocular tumor localization. The patient had a medical history positive for malignant lentigo melanoma of the occipital region of the scalp and early stage laryngeal squamous cell carcinoma and prostatic carcinoma treated with radiation therapy. The authors make some considerations on intestinal involvement by metastatic melanoma and discuss the choice of not treating with endoscopic procedures the gastric metastatic lesions most likely responsible for the clinical sign present at diagnosis...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29158042/development-of-an-inhalation-reference-concentration-for-diethanolamine
#16
Joseph T Haney, Darrell McCant, Michael E Honeycutt, Sabine Lange
An inhalation reference concentration (RfC) was developed for diethanolamine (DEA), based principally on evaluation of three animal studies (Gamer et al., 1993, 1996, 2008). The RfC (25 μg/m(3)) was based on statistically significantly increased relative liver weight in female rats in Gamer et al. (2008) as the critical effect. The lower confidence limit on the benchmark dose (BMDL10 of 5.5 mg/m(3)) was adjusted to a human equivalent concentration and to continuous exposure before dividing the final point of departure (2...
November 17, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29157872/effects-of-health-education-intervention-on-negative-emotion-and-quality-of-life-of-patients-with-laryngeal-cancer-after-postoperative-radiotherapy
#17
J Han, H Nian, Z-Y Zheng, M-M Zhao, D Xu, C Wang
PURPOSE: The study aimed to explore and analyze the effects of health education intervention on patients with laryngeal cancer and evaluate negative emotions and quality of life after receiving postoperative radiotherapy. Furthermore the relationship between health education intervention methods and its correlation to complications and relapse rates require greater understanding. MATERIAL AND METHODS: Patients with aryngeal cancer receiving surgery and postoperative radiotherapy were randomly divided into observation and control groups...
November 17, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29156725/methylation-of-cpg-sites-in-the-upstream-regulatory-region-physical-status-and-mrna-expression-of-hpv-6-in-adult-onset-laryngeal-papilloma
#18
Zeyi Deng, Taro Ikegami, Asanori Kiyuna, Chunlin Zhang, Tao Zhang, Sen Matayoshi, Takayuki Uehara, Hiroyuki Maeda, Mikio Suzuki, Akira Ganaha
The methylation status of HPV-6 upstream regulatory region (URR) in adult-onset laryngeal papillomatosis (AO-LP) remains unclear. The purpose of this study was to investigate the methylation status of URR and the physical status of HPV-6, as well as the dynamic variations of viral load and mRNA expression in AO-LP. We examined 18 specimens from 11 patients with AO-LP by real-time polymerase chain reaction (PCR), bisulfite-sequencing PCR, and amplification of papilloma oncogene transcripts. HPV-6 was identified in 9 of 11 patients (81...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155771/endotracheal-intubation-of-rabbits-using-a-polypropylene-guide-catheter
#19
Krista L Thompson, Thomas R Meier, Jodi A Scholz
Endotracheal intubation in rabbits can be challenging due to their unusual anatomy. Achieving a patent airway during anesthesia is critical for the avoidance of airway obstruction, prevention of gastric tympany, and to allow ventilatory support. Due to the difficulty of intubation, alternative methods such as the use of laryngeal mask airways or laryngeal tubes have been explored. However, these methods do not result in direct access to the trachea and thus may present a risk for development of complications...
November 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29154251/long-term-effects-of-laryngeal-augmentation-with-calcium-hydroxyapatite-under-local-anaesthesia
#20
Ewelina Sielska-Badurek, Maria Sobol, Katarzyna Jędra, Anna Rzepakowska, Ewa Osuch-Wójcikiewicz, Kazimierz Niemczyk
Wstęp: Cel badania stanowi ocena efektów długoterminowych augmentacji krtani w znieczuleniu miejscowym przy pomocy hydroksyapatytu wapnia. Materiał i metody: W badaniu wzięło udział 17 pacjentów, którzy z powodu niewydolności szpary głośni (z powodu jednostronnego porażenia krtani oraz niewydolności mięśni wewnętrznych krtani) zostali zakwalifikowani do przeprowadzenia augmentacji krtani (10 kobiet i 17 mężczyzn), w wieku: 57,6±17,7 lat, mediana 61 lat, z zakresem: 32-83 lata. U wszystkich pacjentów wykonano augmentację krtani w znieczuleniu miejscowym, przez jamę ustną, podając bocznie od fałdu głosowego/ fałdów głosowych hydroksyapatyt wapnia (preparat Radiesse)...
October 31, 2017: Otolaryngologia Polska
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