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Blade Macintosh

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https://www.readbyqxmd.com/read/29894918/c-mac-videolaryngoscope-versus-macintosh-laryngoscope-for-tracheal-intubation-a-systematic-review-and-meta-analysis-with-trial-sequential-analysis
#1
Hiroshi Hoshijima, Takahiro Mihara, Koichi Maruyama, Yohei Denawa, Kentaro Mizuta, Toshiya Shiga, Hiroshi Nagasaka
STUDY OBJECTIVE: The C-MAC laryngoscope (C-MAC) is a videolaryngoscope that uses a modified Macintosh blade. Although several anecdotal reports exist, it remains unclear whether the C-MAC is superior to the Macintosh laryngoscope for tracheal intubation in the adult population. DESIGN: Systematic review, meta-analysis. SETTING: Operating room, intensive care unit. MEASUREMENTS: For inclusion in our analysis, studies had to be prospective randomised trials which compared the C-MAC with the Macintosh laryngoscope for tracheal intubation in the adult population...
September 2018: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29800096/effect-of-use-of-a-bougie-vs-endotracheal-tube-and-stylet-on-first-attempt-intubation-success-among-patients-with-difficult-airways-undergoing-emergency-intubation-a-randomized-clinical-trial
#2
RANDOMIZED CONTROLLED TRIAL
Brian E Driver, Matthew E Prekker, Lauren R Klein, Robert F Reardon, James R Miner, Erik T Fagerstrom, Mitchell R Cleghorn, John W McGill, Jon B Cole
Importance: The tracheal tube introducer, known as the bougie, is typically used to aid tracheal intubation in poor laryngoscopic views or after intubation attempts fail. The effect of routine bougie use on first-attempt intubation success is unclear. Objective: To compare first attempt intubation success facilitated by the bougie vs the endotracheal tube + stylet. Design, Setting, and Patients: The Bougie Use in Emergency Airway Management (BEAM) trial was a randomized clinical trial conducted from September 2016 through August 2017 in the emergency department at Hennepin County Medical Center, an urban, academic department in Minneapolis, Minnesota, where emergency physicians perform all endotracheal intubations...
June 5, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29683824/a-randomized-trial-comparing-the-effect-of-fiberoptic-selection-and-guidance-versus-random-selection-blind-insertion-and-direct-laryngoscopy-on-the-incidence-and-severity-of-epistaxis-after-nasotracheal-intubation
#3
Jeffrey Leighton Tong, Avery Tung
BACKGROUND: Epistaxis, or nasal bleeding, is a common complication after nasotracheal intubation (NTI). Because such bleeding is likely related to trauma during intubation, use of fiberoptic visualization and guidance rather than direct laryngoscopy may affect the incidence and severity of epistaxis. We compared the incidence of epistaxis after NTI using a fiberoptic versus a direct laryngoscopy approach. METHODS: Seventy patients who were able to breathe easily through unobstructed nostrils and required NTI as part of their anesthetic management were recruited...
August 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29628570/effect-of-c-mac-video-laryngoscope-aided-intubations-using-d-blade-on-incidence-and-severity-of-postoperative-sore-throat
#4
Pulak Tosh, Dilesh Kadapamannil, Sunil Rajan, Naina Narayani, Lakshmi Kumar
Background: Video laryngoscope-aided intubations require less force to align oral, pharyngeal, and laryngeal planes to visualize the glottis opening during intubation. Aim: The primary objective of the study was to assess the incidence and severity of postoperative sore throat (POST) in patients who were intubated with C-MAC video laryngoscope using D-blade versus traditional Macintosh laryngoscope. Settings and Design: This prospective, randomized, open label study was conducted in a tertiary care institution...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29465200/-the-choice-of-tracheal-intubation-method-in-reconstructive-maxillo-facial-surgery-with-difficult-airways
#5
A Yu Zaytcev, K V Dubrovin, V A Svetlov
BACKGROUND: The development of modern video - and endoscopic equipment allows for revision and adjust to modern protocols for maintaining patency of the difficult airway, especially in maxillofacial or ENT -surgery. THE PURPOSE OF THE STUDY: Comparison the efficacy ofvarious methods of maintaining the airway patency in the practice of reconstructive maxillofacial surgery. MATERIALS AND METHODS: 89 patients, who were divided into 4 groups, were examined...
September 2017: Anesteziologiia i Reanimatologiia
https://www.readbyqxmd.com/read/29416454/a-randomized-controlled-trial-comparing-c-mac-d-blade-and-macintosh-laryngoscope-for-nasotracheal-intubation-in-patients-undergoing-surgeries-for-head-and-neck-cancer
#6
Hrishikesh Hazarika, Anudeep Saxena, Pradeep Meshram, Ajay Kumar Bhargava
Purpose: Several devices are available to take care of difficult airway, but C-MAC D-Blade has scant evidence of its use in nasotracheal intubation in a difficult airway scenario. Aims and Objectives: We compared the C-MAC D-Blade videolaryngoscope™ , and the standard Macintosh laryngoscope for nasal intubation in patients with difficult airways selected by El-Ganzouri risk index using parameters of time and attempts required for intubation, glottic view in terms of Cormack-Lehane grade, ease of intubation, success rate, use of accessory maneuvers, incidence of complications, and hemodynamic changes...
January 2018: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/29414609/mcgrath-videolaryngoscope-versus-macintosh-laryngoscope-for-tracheal-intubation-a-systematic-review-and-meta-analysis-with-trial-sequential-analysis
#7
Hiroshi Hoshijima, Takahiro Mihara, Koichi Maruyama, Yohei Denawa, Masato Takahashi, Toshiya Shiga, Hiroshi Nagasaka
STUDY OBJECTIVE: The McGrath laryngoscope is a novel self-contained videolaryngoscope with a single-use blade. There are several anecdotal reports that the McGrath is superior to the Macintosh laryngoscope for tracheal intubation. However this remains controversial. DESIGN: Meta-analysis and systematic review. SETTING: Operating room or intensive care unit. MEASUREMENTS: A comprehensive literature search was conducted to identify clinical trials that met our inclusion criteria...
May 2018: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29359076/effect-of-cricoid-pressure-on-laryngeal-view-during-macintosh-mcgrath-mac-x-blade-and-glidescope-video-laryngoscopies
#8
Zehra İpek Arslan, Mine Solak
Objective: Cricoid pressure is useful in fasted patients requiring emergency intubation. We compared the effect of cricoid pressure on laryngeal view during Macintosh, McGrath MAC X-Blade and GlideScope video laryngoscopy. Methods: After obtaining approval from the Human Research Ethics Committee and written informed consent from patients, we enrolled 120 patients (American Society of Anesthesiologists I-II, age 18-65 years) undergoing elective surgery that required endotracheal intubation in this prospective randomised study...
December 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29260450/the-pressure-exerted-on-the-tongue-during-intubation-with-simultaneous-cervical-spine-immobilisation-a-comparison-between-four-videolaryngoscopes-and-the-macintosh-laryngoscope-a-manikin-study
#9
Dawid Aleksandrowicz, Tomasz Gaszyński
Excessive pressures exerted on the tongue during intubation may be associated with serious complications and may make intubation more difficult. The aim of this study was to evaluate five different intubating devices in the hands of experienced anaesthetists during simulated conditions of reduced cervical spine mobility. Forty senior anaesthetists participated in the study (female = 18, male = 22). The mean pressure exerted on the tongue during intubation was recorded with a standard manometer. The overall intubation success rate as well as the difference in exerted pressures between female and male anaesthetists were also assessed...
December 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29117475/comparison-of-cormack-lehane-grading-system-and-intubation-difficulty-score-in-patients-intubated-by-d-blade-video-and-direct-macintosh-laryngoscope-a-randomized-controlled-study
#10
RANDOMIZED CONTROLLED TRIAL
Iva Pažur, Branka Maldini, Vedran Hostić, Ognjen Ožegić, Melanija Obraz
D-blade is a relatively new device in the field of videolaryngoscopy, designed for airway management by enabling indirectoscopic glottic view. In our study, we investigated efficiency of D-blade in comparison with direct Macintosh laryngoscope (gold standard). Fifty-two adult patients with normal airway scheduled for elective surgery in general anesthesia were randomly assigned in D-blade video or direct Macintosh group. In the first video group, patients were laryngo-scoped and intubated by D-blade, and in the second group laryngoscopy and intubation were performed by Macintosh laryngoscope...
December 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29115945/mechanical-strain-to-maxillary-incisors-during-direct-laryngoscopy
#11
Milo Engoren, Lauryn R Rochlen, Matthew V Diehl, Sarah S Sherman, Elizabeth Jewell, Mary Golinski, Paul Begeman, John M Cavanaugh
BACKGROUND: While most Direct laryngoscopy leads to dental injury in 25-39% of cases. Dental injury occurs when the forces and impacts applied to the teeth exceed the ability of the structures to dissipate energy and stress. The purpose of this study was to measure strain, (which is the change produced in the length of the tooth by a force applied to the tooth) strain rate, and strain-time integral to the maxillary incisors and determine if they varied by experience, type of blade, or use of an alcohol protective pad (APP)...
November 7, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/29105406/-outdoor-performance-of-different-videolaryngoscopes-on-a-glacier-a-manikin-study
#12
Sabine Nabecker, Robert Greif, Manuel Kotarlic, Maren Kleine-Brueggeney, Christine Riggenbach, Lorenz Theiler
OBJECTIVES: Little information about the performance of videolaryngoscopes outdoors is available. We aimed to test the hypothesis that a Macintosh direct laryngoscope would perform less well than videolaryngoscopes under difficult environmental conditions (high-altitude glacier, sun-reflecting snow). MATERIAL AND METHODS: After local research ethics committee approval, this randomized controlled trial enrolled 20 physicians who intubated manikins with limited cervical extension mouth opening under 5 conditions: 1) in hospitals (indoors), 2) indoors at a high altitude, 3) outdoors on a glacier in sunlight without sunglasses, 4) outdoors on a glacier with sunglasses, and 5) outdoors on a glacier with the physician and manikin covered with a blanket...
2016: Emergencias: Revista de la Sociedad Española de Medicina de Emergencias
https://www.readbyqxmd.com/read/28974373/effect-of-the-macintosh-curved-blade-size-on-direct-laryngoscopic-view-in-edentulous-patients
#13
COMPARATIVE STUDY
Hyerim Kim, Jee-Eun Chang, Sung-Hee Han, Jung-Man Lee, Soohyuk Yoon, Jin-Young Hwang
OBJECTIVE: In the present study, we compared the laryngoscopic view depending on the size of the Macintosh curved blade in edentulous patients. METHODS: Thirty-five edentulous adult patients scheduled for elective surgery were included in the study. After induction of anesthesia, two direct laryngoscopies were performed alternately using a standard-sized Macintosh curved blade (No. 4 for men and No. 3 for women) and smaller-sized Macintosh curved blade (No. 3 for men and No...
January 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28859114/using-king-vision-video-laryngoscope-with-a-channeled-blade-prolongs-time-for-tracheal-intubation-in-different-training-levels-compared-to-non-channeled-blade
#14
RANDOMIZED CONTROLLED TRIAL
Marc Kriege, Christian Alflen, Ruediger R Noppens
PURPOSE: It is generally accepted that using a video laryngoscope is associated with an improved visualization of the glottis. However, correctly placing the endotracheal tube might be challenging. Channeled video laryngoscopic blades have an endotracheal tube already pre-loaded, allowing to advance the tube once the glottis is visualized. We hypothesized that use of a channel blade with pre-loaded endotracheal tube results in a faster intubation, compared to a curved Macintosh blade video laryngoscope...
2017: PloS One
https://www.readbyqxmd.com/read/28827261/evaluation-of-the-mcgrath-mac-and-macintosh-laryngoscope-for-tracheal-intubation-in-2000-patients-undergoing-general-anaesthesia-the-randomised-multicentre-emma-trial-study-protocol
#15
RANDOMIZED CONTROLLED TRIAL
Marc Kriege, Christian Alflen, Irene Tzanova, Irene Schmidtmann, Tim Piepho, Ruediger R Noppens
INTRODUCTION: The direct laryngoscopy technique using a Macintosh blade is the first choice globally for most anaesthetists. In case of an unanticipated difficult airway, the complication rate increases with the number of intubation attempts. Recently, McGrath MAC (McGrath) video laryngoscopy has become a widely accepted method for securing an airway by tracheal intubation because it allows the visualisation of the glottis without a direct line of sight. Several studies and case reports have highlighted the benefit of the video laryngoscope in the visualisation of the glottis and found it to be superior in difficult intubation situations...
August 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28601269/the-bougie-and-first-pass-success-in-the-emergency-department
#16
Brian Driver, Kenneth Dodd, Lauren R Klein, Ryan Buckley, Aaron Robinson, John W McGill, Robert F Reardon, Matthew E Prekker
STUDY OBJECTIVE: The bougie may improve first-pass intubation success in operating room patients. We seek to determine whether bougie use is associated with emergency department (ED) first-pass intubation success. METHODS: We studied consecutive adult ED intubations at an urban, academic medical center during 2013. Intubation events were identified by motion-activated video recording. We determined the association between bougie use and first-pass intubation success, adjusting for neuromuscular blockade, video laryngoscopy, abnormal airway anatomy, and whether the patient was placed in the sniffing position or the head was lifted off the bed during intubation...
October 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28515523/comparison-of-endotracheal-intubation-time-in-neutral-position-between-c-mac-%C3%A2-and-airtraq-%C3%A2-laryngoscopes-a-prospective-randomised-study
#17
Syed Moied Ahmed, Kashmiri Doley, Manazir Athar, Nadeem Raza, Obaid Ahmad Siddiqi, Shahna Ali
BACKGROUND AND AIMS: In the recent past, many novel devices such as AirTraq(®) and C-MAC(®) video laryngoscope (VL) have been introduced in an attempt to reduce anaesthetic morbidity and mortality associated with difficult intubation. In this study, we aimed to evaluate and compare C-MAC(®) VL with a standard Macintosh blade and the AirTraq(®) optical laryngoscope as a intubating devices with the patient's head in neutral position. METHODS: Sixty American Society of Anesthesiologist Physical Status I-II patients were randomly assigned to be intubated with C-MAC(®) VL (Group CM; n = 30) or AirTraq(®) (Group AT; n = 30) in the neutral position, with or without the application of optimization manoeuvres...
April 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28429117/a-comparison-of-mcgrath-mac%C3%A2-and-standard-direct-laryngoscopy-in-simulated-immobilized-cervical-spine-pediatric-intubation-a-manikin-study
#18
RANDOMIZED CONTROLLED TRIAL
Marcin Madziala, Jacek Smereka, Marek Dabrowski, Steve Leung, Kurt Ruetzler, Lukasz Szarpak
Emergency airway management in children is generally considered to be challenging, and endotracheal intubation requires a high level of personal skills and experience. Immobilization of the cervical spine is indicated in all patients with the risk of any cervical spine injury but significantly aggravates endotracheal intubation. The best airway device in this setting has not been established yet, although the use of videolaryngoscopes is generally promising. Seventy-five moderately experienced paramedics of the Emergency Medical Service of Poland performed endotracheal intubations in a pediatric manikin in three airway scenarios: (A) normal airway, (B) manual in-line cervical immobilization, and (C) cervical immobilization using a Patriot cervical extrication collar and using two airway techniques: (1) McGrath videolaryngoscope and (2) Macintosh blade in a randomized sequence...
June 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28422820/comparison-of-the-etview-single-lumen-and-macintosh-laryngoscopes-for-endotracheal-intubation-in-an-airway-manikin-with-immobilized-cervical-spine-by-novice-paramedics-a-randomized-crossover-manikin-trial
#19
RANDOMIZED CONTROLLED TRIAL
Pawel Gawlowski, Jacek Smereka, Marcin Madziala, Barak Cohen, Kurt Ruetzler, Lukasz Szarpak
CONTEXT: Management of the airway of a trauma victim is considered challenging. Various approaches have been described to achieve airway control in this setup; many of them include video-assited viewing of the larynx during intubation. ETView Single Lumen (SL) is a novice single-use endotracheal tube equiped with a video camera and a light source at its distal tip. Its use was previously described in seeral clinical and training setups. OBJECTIVE: The aim was to evaluate the efficacy of the VivaSight SL compared with classic direct laryngoscopy performed with a Macintosh blade in a manikin-simulated trauma setup presenting various degrees of airway challenge when performed by inexperienced physicians...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28358178/time-to-intubation-in-obese-patients-a-randomized-study-comparing-direct-laryngoscopy-and-videolaryngoscopy-in-experienced-anesthetists
#20
Fredrik Ander, Anders Magnuson, Lars Berggren, Rebecca Ahlstrand, Alex de Leon
BACKGROUND: Airway management may be difficult in obese patients. Moreover, during prolonged intubation, oxygen desaturation develops rapidly. Videolaryngoscopy improves the view of the larynx, and the Storz® C-MAC™ has been shown to be superior to other videolaryngoscopes in terms of intubation time in obese patients. However, no effort has been made to compare the Storz® C-MAC™ with direct laryngoscopy. The aim of the study was to evaluate if the use of Storz® C-MAC™ may reduce intubation time when compared to direct laryngoscopy (classic Macintosh® blade)...
September 2017: Minerva Anestesiologica
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