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https://www.readbyqxmd.com/read/28929076/role-of-topical-medication-in-prevention-of-post-extubation-subglottic-stenosis
#1
Saravanam Prasanna Kumar, Arunachalam Ravikumar, Johnson Thanka
Iatrogenic laryngotracheal injury is the most serious complication of endotracheal intubation since this method of establishing airway was first described by Eugene Bouchut in 1858. Even today, subglottic stenosis is the most dreaded complication of intubation. This animal study is focused on the host tissue response to intubation induced injury resulting in subglottic stenosis and methods to prevent this complication. To assess the role of topically applied Mitomycin-C and Triamcinolone Acetonide in wound healing process following post-extubation subglottic injury...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28916222/estimating-vocal-effort-from-the-aerodynamics-of-labial-fricatives-a-feasibility-study
#2
Yohann Meynadier, Anita El Hajj, Michel Pitermann, Thierry Legou, Antoine Giovanni
OBJECTIVE AND HYPOTHESIS: Vocal effort in loud voice is produced with increased subglottal pressure during vowels and increased supraglottal pressure during consonants. In the paper, our main objective is to check whether it was supported by a parallel increase in the airflow resistance of the laryngeal articulator and of the supralaryngeal articulator, here the lips. STUDY DESIGN AND METHOD: For this comparison, our choice fell on the fricative consonants, as their production allows perfectly synchronous air pressure and airflow measurements...
September 12, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28886973/vocal-tract-morphology-in-inhaling-singing-characteristics-during-vowel-production-a-case-study-in-a-professional-singer
#3
Mieke Moerman, Françoise Vanhecke, Lieven Van Assche, Johan Vercruysse
BACKGROUND: A professional singer produced various vowels on a comfortable loudness and pitch in an inspiratory and expiratory phonation manner. The present study investigates the morphological differences and tries to find a link with the acoustical characteristics. OBJECTIVES/HYPOTHESIS: We hypothesize that features, constantly present over all vowels, characterize inhaling phonation and that the formant frequencies reflect the morphological findings. STUDY DESIGN: A prospective case study was carried out...
September 5, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28882637/successful-retrograde-intubation-after-failed-fiberoptic-intubation-and-percutaneous-cricothyrotomy
#4
Stephanie Brenman, Sachin Gupta, Stephanie Tseeng
BACKGROUND: An obstructive neck lesion presents an airway challenge for any emergency physician. Retrograde intubation is an infrequently used airway alternative that can be employed in the difficult airway algorithm that requires little training and is less invasive than surgical cricothyrotomy. CASE REPORT: We report a case of a 31-year-old male patient who presented with respiratory distress progressing to respiratory failure from upper airway obstruction. The patient had significant tracheal thickening at the level of the thyroid gland based on a computed tomography report from 3 weeks prior to his presentation...
September 4, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28866624/severe-acquired-subglottic-stenosis-in-neonatal-intensive-care-graduates-a-case-control-study
#5
Rebecca E Thomas, Shripada C Rao, Corrado Minutillo, Shyan Vijayasekaran, Elizabeth A Nathan
OBJECTIVE: To analyse current incidence and risk factors associated with severe acquired subglottic stenosis (SASGS) requiring surgical intervention in neonates. DESIGN: Retrospective case-control study. SETTING: Sole tertiary children's hospital. PARTICIPANTS: Patients who underwent surgical intervention for SASGS from January 2006 to December 2014. For each neonatal intensive care unit (NICU) graduate with acquired SASGS, two controls were selected (matched for gestation and year of birth)...
September 2, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28846176/the-role-of-ultrasound-in-appropriate-endotracheal-tube-size-selection-in-pediatric-patients
#6
Demet Altun, Mukadder Orhan-Sungur, Achmet Ali, Tülay Özkan-Seyhan, Nükhet Sivrikoz, Emre Çamcı
BACKGROUND: The aim of this prospective study was to investigate the success of ultrasound in pediatric patients in determining the appropriate sized cuffed endotracheal tube and to compare the results with conventional height-based (Broselow) tape and age-based formula tube size. METHODS: One hundred and fifty-two children of 1-10 years of age, who received general anesthesia for adenotonsillectomy were enrolled to the study. In all participants, the transverse diameter of the subglottis was measured with ultrasound during apnea...
August 28, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28837719/modeling-the-pathophysiology-of-phonotraumatic-vocal-hyperfunction-with-a-triangular-glottal-model-of-the-vocal-folds
#7
Gabriel E Galindo, Sean D Peterson, Byron D Erath, Christian Castro, Robert E Hillman, Matías Zañartu
Purpose: Our goal was to test prevailing assumptions about the underlying biomechanical and aeroacoustic mechanisms associated with phonotraumatic lesions of the vocal folds using a numerical lumped-element model of voice production. Method: A numerical model with a triangular glottis, posterior glottal opening, and arytenoid posturing is proposed. Normal voice is altered by introducing various prephonatory configurations. Potential compensatory mechanisms (increased subglottal pressure, muscle activation, and supraglottal constriction) are adjusted to restore an acoustic target output through a control loop that mimics a simplified version of auditory feedback...
September 18, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28833230/efficacy-and-rebound-rates-in-propranolol-treated-subglottic-hemangioma-a-literature-review
#8
REVIEW
Tyler Schwartz, John Faria, Sachin Pawar, Dawn Siegel, Robert H Chun
OBJECTIVE: Propranolol has recently become the treatment of choice for management of subglottic and airway hemangiomas. This literature review aimed to determine the success rate of propranolol for managing these lesions as well as the rate of rebound growth following propranolol treatment cessation. STUDY DESIGN: Literature search involving MEDLINE and Scopus to identify English-language articles. METHODS: Studies were identified using hemangioma, subglottic or airway, and propranolol for search terms...
August 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28826980/the-effect-of-vocal-fold-inferior-surface-hypertrophy-on-voice-function-in-excised-canine-larynges
#9
Ruiqing Wang, Huijing Bao, Xinlin Xu, David Piotrowski, Yu Zhang, Peiyun Zhuang
OBJECTIVE: This study aimed to explore the changes in vocal fold inferior surface hypertrophy (VFISH) on vocal fold vibration by aerodynamic and acoustic analysis. The present study allows us to gain new insights into the subglottal convergence angle (SCA), which will change with VFISH. STUDY DESIGN: The study is prospective, and designed for repeated measures with each excised canine larynx serving as own control. SUBJECTS AND METHODS: Three degrees of VFISH, initial, mild, and severe, were simulated by injecting different doses of fructose injections into the inferior surface of the vocal folds of 10 excised canine larynges...
August 18, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28772006/accuracy-of-magnetic-resonance-imaging-for-grading-of-subglottic-stenosis-in-patients-with-granulomatosis-with-polyangiitis-correlation-with-pulmonary-function-tests-and-laryngoscopy
#10
Frank O Henes, Martin Laudien, Laura Linsenhoff, Jan P Bremer, Tim Oqueka, Gerhard Adam, Gerhard Schön, Peter Bannas
OBJECTIVES: To compare magnetic resonance imaging (MRI)-based and laryngoscopy-based subglottic stenosis (SGS) grading with pulmonary function tests (PFT) in patients with granulomatosis with polyangiitis (GPA). METHODS: In this retrospective study we included 118 examinations of 44 patients with GPA and suspected SGS. All patients underwent MRI, laryngoscopy, and PFT. Stenosis was graded on a 4-point scale by endoscopy and MRI using the Meyer-Cotton (MC)-Score (score1: ≤50%; 2: 51-70%; 3: 71-99%; 4: 100%) and as percentage by MRI...
August 3, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28767481/when-faced-with-anesthetizing-an-infant-with-phace-syndrome-watch-out-for-an-airway-occluding-subglottic-hemangioma
#11
Monica S Shah, Susan T Verghese
No abstract text is available yet for this article.
August 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28759469/what-is-new-in-the-prevention-of-nosocomial-pneumonia-in-the-icu
#12
Michael Klompas
PURPOSE OF REVIEW: To summarize and contextualize recent evidence on preventing ventilator-associated pneumonia (VAP). RECENT FINDINGS: Many centers continue to report dramatic decreases in VAP rates after implementing ventilator bundles. Interpreting these reports is complicated, however, by the subjectivity and lack of specificity of VAP definitions. More objective data suggest VAP rates may not have meaningfully changed over the past decade. If so, this compels us to re-examine and revise the prevention bundles we have been using to prevent VAP...
July 29, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28758081/development-of-a-dysphagia-screening-test-for-preterm-infants-dst-pi
#13
Kyoung Moo Lee, Young Tak Seo
OBJECTIVE: To explore both the early prediction and diagnosis of dysphagia in preterm infants as an important developmental aspect as well as the prevention of respiratory complications, we developed the simple and-easy-to-apply Dysphagia Screening Test for Preterm Infants (DST-PI) to predict supraglottic penetration and subglottic aspiration. METHODS: Fifty-two infants were enrolled in a videofluoroscopic swallowing study (VFSS) due to clinical suspicions of dysphagia...
June 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28749718/ectopic-intralaryngo-tracheal-thyroid-tissue-causing-neonatal-death
#14
Lauren Furnas, Huda Safa, Fiona Hutchinson, Lindsay Joseph, Jane E Armes
INTRODUCTION: Ectopic thyroid tissue can be found anywhere along the embryologic path of thyroid descent. Intralaryngo-tracheal thyroid tissue is the least common site of ectopia and can present with upper airways obstruction. Its presentation in the neonate is exceptional. CASE REPORT: We describe a term female neonate with subglottic thyroid tissue causing near-total occlusion of the larynx, which led to upper airways obstruction and neonatal death. CONCLUSION: This emphasizes the importance of considering intralaryngo-tracheal tumors as a cause of acute and otherwise unexplainable respiratory distress immediately after birth...
July 27, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28745802/progressive-subglottic-stenosis-in-a-child-with-pallister-killian-syndrome
#15
Tadashi Shiohama, Katsunori Fujii, Kenji Shimizu, Hirofumi Ohashi, Tomozumi Takatani, Nobuhiko Okamoto, Gen Nishimura, Mitsuhiro Kato, Naoki Shimojo
Pallister-Killian syndrome (PKS) is rare genetic disorder caused by tetrasomy 12p mosaicism with supernumerary isochromosome 12p that manifests with intellectual disability, craniofacial dysmorphism, and epilepsy. Although PKS presents as a multisystem morphological defect, respiratory system involvement is rare, except for diaphragmatic hernia. We are the first to report a case of PKS with progressive subglottic stenosis. Subglottic stenosis is a potentially lethal condition due to severe respiratory obstruction and difficult intubation; therefore, further accumulation of cases is required to assess the causal link between PKS and subglottic stenosis...
July 26, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28743333/-comprehensive-effect-of-subglottic-secretion-drainage-on-patients-with-mechanical-ventilation-in-icu-a-meta-analysis
#16
Xiaowen Sun, Jiale Zhang, Ting Jiang, Rui Tang, Xia Chen, Fen Liu, Kejian Qian, Rong Jiang
OBJECTIVE: To systematically evaluate the comprehensive effect of subglottic secretion drainage (SSD) on patients with mechanical ventilation (MV) in intensive care unit (ICU). METHODS: The randomized controlled clinical trials (RCTs) comparing SSD (intervention group) versus non-SSD (control group) in adult patients with MV in ICU was collected through the databases such as the PubMed database of the National Library of Medicine, CNKI, Wanfang database and the Chinese journal of science and technology database (VIP)...
July 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28739332/effects-of-voice-therapy-on-muscle-tension-dysphonia-a-systematic-literature-review
#17
REVIEW
Gabriela da Cunha Pereira, Isadora de Oliveira Lemos, Camila Dalbosco Gadenz, Mauriceia Cassol
The present study aimed to carry out a systematic review of the effects of voice therapy on individuals diagnosed with muscle tension dysphonia (MTD) or hyperfunctional dysphonia. This is a systematic literature review on the databases Medline (via PubMed), Cochrane Library, Scopus, and Lilacs using a search strategy related to the theme of the study. The selection included clinical trials that assessed the effects of speech therapy intervention on patients diagnosed with MTD or hyperfunctional dysphonia published over the last 10 years in Portuguese, English, or Spanish...
July 21, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28733315/evaluation-of-the-safety-and-effectiveness-of-the-rapid-flow-expulsion-maneuver-to-clear-subglottic-secretions-in-vitro-and-in-vivo
#18
EDITORIAL
Keith D Lamb, Eric J Kriner
No abstract text is available yet for this article.
August 2017: Respiratory Care
https://www.readbyqxmd.com/read/28720674/tracheal-tube-design-and-ventilator-associated-pneumonia
#19
REVIEW
Anahita Rouzé, Emmanuelle Jaillette, Julien Poissy, Sébastien Préau, Saad Nseir
Microaspiration of contaminated oropharyngeal and gastric secretions is the main mechanism for ventilator-associated pneumonia (VAP) in critically ill patients. Improving the performance of tracheal tubes in reducing microaspiration is one potential means to prevent VAP. The aim of this narrative review is to discuss recent findings on the impact of tracheal tube design on VAP prevention. Several randomized controlled studies have reported that subglottic secretion drainage (SSD) is efficient in VAP prevention...
July 18, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28715559/interferon-%C3%AE-treatment-of-human-laryngotracheal-stenosis-derived-fibroblasts
#20
Kevin Motz, Idris Samad, Linda X Yin, Michael K Murphy, Madhavi Duvvuri, Dacheng Ding, Alexander T Hillel
Importance: Laryngotracheal stenosis (LTS) is a fibroproliferative disorder of the glottis, subglottis, and trachea. In models of fibrosis from other organ systems, the CD4+ T-cell response has been shown to regulate extracellular matrix deposition. Specifically, helper T cell 2 (TH2) promotes fibrosis, whereas TH1 and associated cytokines have been shown to be antifibrotic. However, this antifibrotic effect of the TH1 response has not been demonstrated in LTS. Objective: To determine whether the TH1 cytokine interferon-γ inhibits the function of LTS-derived fibroblasts in vitro...
July 13, 2017: JAMA Otolaryngology—Head & Neck Surgery
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