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Blade Macintosh

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https://www.readbyqxmd.com/read/30488404/airtraq-dl-and-aws-200-for-double-lumen-endotracheal-tube-intubation-a-prospective-randomized-clinical-trial
#1
Junko Ajimi, Junichi Nishiyama, Ritsuko Masuda, Takeo Shibata, Toshiyasu Suzuki
OBJECTIVE: This prospective randomized study aimed to assess the usefulness of two videolaryngoscopes with a side channel, the Airtraq DLTM and the AWS-200TM , for intubation with a double-lumen tube (DLT). METHODS: In 60 patients with an American Society of Anesthesiologists physical status of 1-3 who were not expected to have difficult airway, the Airtraq DLTM and the AWS-200TM were randomly used for DLT intubation. The primary outcome was intubation time. The secondary outcomes included exposure time, the glottis view with the Macintosh and study videolaryngoscopes, the number of attempts before successful intubation, the intubation difficulty scale (IDS) score, and the subjectively rated ease of blade insertion and DLT advancement...
December 20, 2018: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/30422949/use-of-the-c-mac-macintosh-0-blade-for-intubation-of-infants-in-the-emergency-department
#2
Kelsey A Miller, Matthew A Eisenberg, Edir S Abid, Joshua Nagler
First-pass success rates during intubation of infants in the emergency department have been shown to be low. Video laryngoscopy is being increasingly used during advanced airway management in the emergency department, but available data have not supported improved outcomes with use in pediatrics. The newly available Macintosh size 0 (curved) blade for the C-MAC video laryngoscope offers a narrower blade for use in infants. We describe the use of the new C-MAC Macintosh 0 blade for intubation of 2 infants with apnea secondary to respiratory syncytial virus bronchiolitis...
November 12, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/30386024/ease-of-intubation-and-hemodynamic-responses-to-nasotracheal-intubation-using-c-mac-videolaryngoscope-with-d-blade-a-comparison-with-use-of-traditional-macintosh-laryngoscope
#3
Sunil Rajan, Dilesh Kadapamannil, Kaushik Barua, Pulak Tosh, Jerry Paul, Lakshmi Kumar
Background and Aims: Nasal intubation with traditional Macintosh laryngoscope usually needs the use of Magill's forceps or external laryngeal manipulation. The primary objective of this study was to assess the ease of intubation during C-MAC videolaryngoscope-assisted nasal intubation using D blade and to compare it with traditional Macintosh laryngoscope-aided nasal intubation. The secondary objectives were comparison of intubation time, attempts, trauma, and hemodynamic stress responses...
July 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/30308524/measurement-of-forces-applied-using-a-macintosh-direct-laryngoscope-compared-with-a-glidescope-video-laryngoscope-in-patients-with-predictors-of-difficult-laryngoscopy-a-randomised-controlled-trial
#4
Daniel Cordovani, Twain Russell, Wallace Wee, Andrew Suen, Richard M Cooper
BACKGROUND: In patients with predictive features associated with easy direct laryngoscopy, videolaryngoscoy with the GlideScope has been shown to require less force when compared with Macintosh direct laryngoscopy. OBJECTIVE: The aim of this study was to compare forces applied with Glidescope vs. Macintosh laryngoscopes in patients with predictive features associated with difficult direct laryngoscopy. DESIGN: A prospective randomised study...
October 10, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/30235428/comparison-of-the-contact-force-exerted-on-teeth-by-conventional-macintosh-laryngoscope-versus-video-laryngoscopes
#5
Yasuhiko Kato, Yasushi Sakuma, Yoshihiro Momota
During laryngoscopy, the laryngoscope blade sometimes comes in contact with the teeth, fracturing or dislocating them. However, no studies have compared the effects of newly marketed video laryngoscopes and the Macintosh laryngoscope (Mac) on teeth. In this study, we measured and compared the force exerted on the teeth of an intubating manikin by the Mac, the Airway Scope (Pentax), and the McGrath MAC (Covidien). The mean force exerted was 141.1 ± 15.7 kg by the Mac, 39.2 ± 10.3 kg by the Airway Scope, and 48...
2018: Anesthesia Progress
https://www.readbyqxmd.com/read/30170540/a-comparison-of-two-hyperangulated-video-laryngoscope-blades-to-direct-laryngoscopy-in-a-simulated-infant-airway-a-bicentric-comparative-randomized-manikin-study
#6
Marc Kriege, Nina Pirlich, Thomas Ott, Eva Wittenmeier, Frank Dette
BACKGROUND: In infants, securing the airway is time-critical because of anatomical and physiological differences related to airway management in children less than 1 year old. The aim of this study was to compare the time to ventilation using two different hyperangulated video laryngoscope blades with the time to ventilation via conventional direct laryngoscopy in a normal airway [NA] and in a simulated difficult airway [DA]. METHODS: This study was a comparative, bicentric, open-label, randomized controlled evaluation...
August 31, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/30142833/effect-of-the-curved-blade-size-on-the-outcomes-of-tracheal-intubation-performed-by-incoming-interns-a-randomized-controlled-manikin-study
#7
RANDOMIZED CONTROLLED TRIAL
Ji-Hoon Kim, Sung Wook Kim, Young-Min Kim, Youngsuk Cho, Seung Joon Lee
BACKGROUND: Novice clinicians who have little or no clinical experience in tracheal intubation occasionally need a long time to perform the procedure when using a large curved blade. They also have a lower tracheal intubation success rate, especially in emergency situations, such as cardiac arrest, than experienced practitioners. This study aimed to investigate whether the size of the curved laryngoscope blade affects the outcomes of tracheal intubation performed by incoming interns on a manikin model...
August 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30140500/fluoroscopic-comparison-of-cervical-spine-motion-using-lma-ctrach-c-mac-videolaryngoscope-and-macintosh-laryngoscope
#8
Tülay Şahin, Zehra İpek Arslan, Gür Akansel, Onur Balaban, Derya Berk, Mine Solak, Kamil Toker
Objective: Endotracheal intubation should be performed with care when cervical spine (C-spine) injury is suspected. The aim of this study was to evaluate the movement of the C-spine using fluoroscopy during intubation with Laryngeal Mask Airway (LMA) CTrach, C-MAC videolaryngoscope and Macintosh laryngoscope. Methods: This was a single-centre, prospective, observational, controlled trial. In total, 22 surgical patients aged 18-65 years planned to undergo operation under general anaesthesia, were enrolled...
February 2018: Turkish Journal of Anaesthesiology and Reanimation
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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...
October 2018: 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
#18
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
#19
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
#20
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
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