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Direct Laryngoscopy

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https://www.readbyqxmd.com/read/28217065/unsuspected-subglottic-web-in-a-child-managed-for-severe-respiratory-obstruction
#1
Reena, Arun Kumar, Shrawin Kumar Singh, Vineet Agrawal
Subglottic stenosis is a known complication of a traumatic and prolonged intubation. In a child, subglottic area is narrower and more prone to damage by an oversized or overinflated endotracheal tube. The stenosis can present with complaints of change in voice, croup, or respiratory obstruction. Those presenting with respiratory obstruction require immediate diagnosis under direct laryngoscopy and timely corrective intervention under general anesthesia. A 4-year-old child came to the emergency department with severe respiratory obstruction...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28212227/comparing-video-and-direct-laryngoscopy-in-critically-ill-patients-rational-study-design-is-important
#2
Fu-Shan Xue, Gui Zhen Yang, Chao Sun
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28209437/the-accuracy-of-preoperative-rigid-stroboscopy-in-the-evaluation-of-voice-disorders-in-children
#3
Jobran Mansour, Ofer Amir, Doron Sagiv, Eran E Alon, Michael Wolf, Adi Primov-Fever
OBJECTIVES: Stroboscopy is considered the most appropriate tool for evaluating the function of the vocal folds but may harbor significant limitations in children. Still, direct laryngoscopy (DL), under general anesthesia, is regarded the "gold standard" for establishing a diagnosis of vocal fold pathology. The aim of the study is to examine the accuracy of preoperative rigid stroboscopy in children with voice disorders. STUDY DESIGN: This is a retrospective study...
February 13, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28183550/airway-management-for-glossopexy-in-infants-with-micrognathia-and-obstructive-breathing
#4
Yoshinari Morimoto, Aiko Ohyamaguchi, Mika Inoue, Chizuko Yokoe, Hiroshi Hanamoto, Uno Imaizumi, Mitsutaka Sugimura, Hitoshi Niwa
STUDY OBJECTIVES: To identify airway management and tracheal intubation techniques for glossopexy in infants with preexisting airway obstruction under general anesthesia. DESIGN: Retrospective, observational study. SETTINGS: Operating room of a university hospital between January 2003 and March 2015. All operations were performed by oral and maxillofacial surgeons. PATIENTS: Thirteen patients who received general anesthesia for glossopexy and reversal after 7 months...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28171734/imiquimod-injection-to-rabbit-vocal-folds
#5
Stephanie E Teng, Gregory R Dion, Danielle N Sin, Nao Hiwatashi, Peter A Benedict, Milan R Amin, Ryan C Branski
Objective Given the recalcitrant nature of recurrent respiratory papillomatosis, targeted therapies to reduce disease burden are fundamental to improved patient care paradigms. We seek to demonstrate the safety of imiquimod injection into vocal fold mucosa by evaluating the degree of laryngeal edema, histopathologic changes to vocal fold structure, and serologic interferon α (IFNα) levels following injection. Study Design Preclinical. Setting Academic institution. Subjects and Methods Six New Zealand White rabbits underwent unilateral injection of 100 µg of sterile imiquimod (1 µg/µL), with 100 µL of normal saline injected into the contralateral vocal fold...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28168139/video-laryngoscopy-vs-direct-laryngoscopy-in-teaching-neonatal-endotracheal-intubation-a-simulation-based-study
#6
Srikumar Nair, Eric J Thomas, Lakshmi Katakam
BACKGROUND: Neonatal endotracheal intubation is a life-saving procedural skill where best practices have been developed from expert opinion. Few empirical studies have examined how this skill should be taught. OBJECTIVE: To determine whether a video laryngoscope (VL) assisted intubation training curriculum compared to a traditional direct laryngoscope (DL) assisted curriculum improves neonatal intubation performance of novice intubators in a simulated setting. METHODS: A randomized trial of novice intubators was conducted at the University of Texas-Houston from 6/2013-8/2013...
January 6, 2017: Curēus
https://www.readbyqxmd.com/read/28144270/a-clinical-trial-evaluating-the-laryngeal-mask-airway-supreme-in-obese-children-during-general-anesthesia
#7
Yue Tian, Xiu-Ying Wu, Lu Li, Ling Ma, Yun-Feng Li
INTRODUCTION: The laryngeal mask airway (LMA)-Supreme is a disposable double-lumen laryngeal mask airway that is widely used in clinical practice. However, its use in obese children has not been evaluated. The aim of this study was to determine whether the LMA-Supreme could perform equally as well as endotracheal intubation in obese children having a minor surgical procedure. MATERIAL AND METHODS: After ethical board approval, 100 obese male children receiving non-emergent appendectomy for chronic appendicitis or surgery to correct concealed penis were randomly divided into an endotracheal intubation group and an LMA-Supreme group...
February 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28141652/tracheal-cartilaginous-sleeve-in-syndromic-craniosynostosis-an-underrecognized-source-of-significant-morbidity-and-mortality
#8
Brent B Pickrell, Jesse D Meaike, Karina T Cañadas, Binoy M Chandy, Edward P Buchanan
Tracheal cartilaginous sleeve (TCS) is a rare and previously unrecognized source of morbidity and mortality in patients with certain craniosynostosis syndromes. There is a paucity of reporting on this airway anomaly, and the true incidence of TCS is largely unknown. The purpose of this study was to investigate the incidence of TCS among patients with syndromic craniosynostosis at our institution. Patients with syndromic craniosynostosis who underwent direct bronchoscopy and laryngoscopy were evaluated retrospectively by pediatric otolaryngologists for the presence of TCS and associated anomalies...
January 30, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28139308/simple-method-for-obtaining-the-optimal-laryngoscopic-view-in-children-a-prospective-observational-study
#9
Eun-Hee Kim, Sang-Hwan Ji, In-Kyung Song, Ji-Hyun Lee, Jin-Tae Kim, Hee-Soo Kim
BACKGROUND: Head and neck positioning has an important effect on laryngeal visualization during laryngoscopy. For small children and infants, a head-flat position is traditionally assumed; however, during laryngoscopy, the optimal head position may result in a superior laryngeal view in certain patients. METHODS: We investigated whether the alignment of the external auditory meatus and the sternal notch with a pillow with an individualized height is associated with improved laryngeal visualization during direct laryngoscopy in pediatric patients...
January 24, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28126191/-accuracy-of-a-smartphone-to-test-laryngoscope-s-light-and-an-audit-to-our-laryngoscopes-using-an-iso-standard
#10
Diogo Alcino de Abreu Ribeiro Carvalho Machado, Dina da Assunção Azevedo Esteves, Pedro Manuel Araújo de Sousa Branca
BACKGROUND AND OBJECTIVES: Laryngoscope is a key tool in anesthetic practice. Direct laryngoscopy is a crucial moment and inadequate laryngoscope's light can lead to catastrophic consequences. From our experience laryngoscope's light is assessed in a subjective manner and we believe a more precise evaluation should be used. Our objective is to compare the accuracy of a smartphone compared to a lux meter. Secondly we audited our Operating Room laryngoscopes. METHODS: We designed a pragmatic study, using as primary outcome the accuracy of a smartphone compared to the lux meter...
January 23, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28125969/transfer-of-skills-and-comparison-of-performance-between-king-vision%C3%A2-video-laryngoscope-and-macintosh-blade-following-an-aha-airway-management-course
#11
Lukas E Wolf, José A Aguirre, Christian Vogt, Christian Keller, Alain Borgeat, Heinz R Bruppacher
BACKGROUND: To potentially optimize intubation skill teaching in an American Heart Association® Airway Management Course® for novices, we investigated the transfer of skills from video laryngoscopy to direct laryngoscopy and vice versa using King Vision® and Macintosh blade laryngoscopes respectively. METHODS: Ninety volunteers (medical students, residents and staff physicians) without prior intubation experience were randomized into three groups to receive intubation training with either King Vision® or Macintosh blade or both...
January 10, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28118659/video-laryngoscopy-vs-direct-laryngoscopy-on-successful-first-pass-orotracheal-intubation-among-icu-patients-a-randomized-clinical-trial
#12
Jean Baptiste Lascarrou, Julie Boisrame-Helms, Arthur Bailly, Aurelie Le Thuaut, Toufik Kamel, Emmanuelle Mercier, Jean-Damien Ricard, Virginie Lemiale, Gwenhael Colin, Jean Paul Mira, Ferhat Meziani, Jonathan Messika, Pierre Francois Dequin, Thierry Boulain, Elie Azoulay, Benoit Champigneulle, Jean Reignier
Importance: In the intensive care unit (ICU), orotracheal intubation can be associated with increased risk of complications because the patient may be acutely unstable, requiring prompt intervention, often by a practitioner with nonexpert skills. Video laryngoscopy may decrease this risk by improving glottis visualization. Objective: To determine whether video laryngoscopy increases the frequency of successful first-pass orotracheal intubation compared with direct laryngoscopy in ICU patients...
7, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28102625/neonatal-stridor-and-laryngeal-cyst-which-comes-first
#13
Lucia Marseglia, Gabriella D'Angelo, Pietro Impellizzeri, Vincenzo Salvo, Natalia Catalano, Rocco Bruno, Claudio Galletti, Bruno Galletti, Francesco Galletti, Eloisa Gitto
Neonatal stridor is a rare condition usually caused by laryngomalacia. Congenital laryngeal cyst represents an uncommon cause of stridor in the neonatal population and may be misinterpreted as laryngomalacia, leading to serious morbidity and mortality if diagnosis and treatment are delayed. Herein we report the case of a full-term infant with stridor, feeding problems and failure to thrive. Initially, direct laryngoscopy diagnosed only laryngomalacia. As stridor worsened, however, and respiratory distress appeared, repeat laryngoscopy showed vallecular laryngeal cyst, visible macroscopically...
January 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28098589/can-mandibular-condylar-mobility-sonography-measurements-predict-difficult-laryngoscopy
#14
Weidong Yao, Yumei Zhou, Bin Wang, Tao Yu, Zhongbing Shen, Hao Wu, Xiaoju Jin, Yuanhai Li
BACKGROUND: Limited mandibular condylar mobility plays an important role in difficult laryngoscopy. Indirect assessment methods, such as mouth opening, have been proven to be useful predictors of difficult laryngoscopy. Sonography is a new direct assessment method for the limited mandibular condylar mobility. However, whether this method could be used in predicting difficult laryngoscopy still remains unknown. This study aimed to observe its ability to predict difficult laryngoscopy. METHODS: Adult patients who were administered tracheal intubations for elective surgery under general anesthesia were enrolled in the study...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28096586/comparison-of-intubating-laryngeal-mask-airway-and-fiberoptic-bronchoscopy-for-endotracheal-intubation-in-patients-undergoing-cervical-discectomy
#15
Kolli S Chalam, Jyothi Gupta
BACKGROUND AND AIMS: Direct laryngoscopy is hazardous in patients with cervical posterior intervertebral disc prolapse (PIVD) as it may worsen the existing cord compression. To achieve smooth intubation, many adjuncts such as fiberoptic bronchoscope (FOB), video laryngoscopes, lighted stylets, and intubating laryngeal mask airways (ILMAs) are available. However, there is a paucity of literature comparing ILMA with fiberoptic intubation in patients with PIVD. Hence, this study was designed to compare the effectiveness of ILMA technique with FOB to accomplish endotracheal intubation in patients undergoing cervical discectomy...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28094479/retromolar-laryngoscopy-a-randomised-cross-over-vocal-cords-visualisation-study
#16
Christian Reiterer, Barbara Waltl, Barbara Kabon, Wolfgang Schramm
BACKGROUND: Vocal cords visualisation is a major determinant for successful tracheal intubation. The aim of our study was to compare vocal cord visualisation by using conventional direct laryngoscopy with retromolar direct laryngoscopy in patients with an existing retromolar gap at the right mandible. METHODS: We enrolled 100 adults needing endotracheal intubation for elective surgery. In each patient the vocal cords were visualised and scored according to Cormack & Lehane with a Macintosh blade #3 for conventional technique and with a Miller blade #4 for the retromolar technique in a randomised sequence...
January 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28059945/airway-management-with-a-stereotactic-headframe-in-situ-a-mannequin-study
#17
Melissa Brockerville, Zoe Unger, Nathan C Rowland, Francesco Sammartino, Pirjo H Manninen, Lashmi Venkatraghavan
BACKGROUND: Stereotactic headframe-based imaging is often needed for target localization during surgery for insertion of deep brain stimulators. A major concern during this surgery is the need for emergency airway management while an awake or sedated patient is in the stereotactic headframe. The aim of our study was to determine the ease of emergency airway management with a stereotactic headframe in situ. MATERIALS AND METHODS: We conducted an observational study using a mannequin...
January 4, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28028674/the-effect-of-verbal-and-video-feedback-on-learning-direct-laryngoscopy-among-novice-laryngoscopists-a-randomized-pilot-study
#18
Jennifer E Sainsbury, Branislav Telgarsky, Matteo Parotto, Ahtsham Niazi, David T Wong, Richard M Cooper
PURPOSE: Skill acquisition in direct laryngoscopy (DL) and tracheal intubation is complex. This pilot study aims to assess feasibility and determine sample size for a subsequent trial comparing DL instruction using a Macintosh-style video laryngoscope (MacVL), with and without video recordings, with conventional DL instruction. METHODS: Medical students with no prior laryngoscopy experience were recruited during their two-week anesthesia rotation. During the first (TRAINING) week, students were randomized into three groups: Control (Macintosh direct laryngoscope), VL-1 (MacVL with real-time feedback), and VL-2 (MacVL with real-time feedback plus video recordings of laryngoscopies)...
March 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28007521/children-with-challenging-airways-what-about-glidescope-%C3%A2-video-laryngoscopy
#19
Chrystelle Sola, Anne-Charlotte Saour, Christine Macq, Sophie Bringuier, Olivier Raux, Christophe Dadure
BACKGROUND: GlideScope® video-laryngoscopy is becoming increasingly used, including in paediatrics. However, to date, very few data are available on efficiency during situations involving difficult intubation. Our objective was to describe the usefulness of the GlideScope® in children with presumed challenging airway criteria. METHODS: In this observational study, all children with predicted criteria of potential difficult intubation and requiring general anaesthesia with tracheal intubation were prospectively enrolled over a 12-month period...
December 19, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27979581/the-edematous-and-erythematous-airway-does-not-denote-pathologic-gastroesophageal-reflux
#20
Rachel Rosen, Paul D Mitchell, Janine Amirault, Manali Amin, Karen Watters, Reza Rahbar
OBJECTIVE: To determine if the reflux finding score (RFS), a validated score for airway inflammation, correlates with gastroesophageal reflux measured by multichannel intraluminal impedance (MII) testing, endoscopy, and quality of life scores. STUDY DESIGN: We performed a prospective, cross-sectional cohort study of 77 children with chronic cough undergoing direct laryngoscopy and bronchoscopy, esophagogastroduodenoscopy, and MII testing with pH (pH-MII) between 2006 and 2011...
December 13, 2016: Journal of Pediatrics
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