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McGrath MAC

Myungju Shin, Sun Joon Bai, Ki-Young Lee, Ein Oh, Hyun Joo Kim
We hypothesized that the McGRATH MAC would decrease the time of intubation compared to C-MAC for novices. Thirty-nine medical students who had used the Macintosh blade to intubate a manikin fewer than 3 times were recruited. The participants performed sequential intubations on the manikin in two simulated settings that included a normal airway and a difficult airway (tongue edema). The intubation time, success rate of intubation, Cormack-Lehane grade at laryngoscopy, and difficulty using the device were recorded...
2016: BioMed Research International
Shiho Deguchi, Nobuyasu Komasawa, Haruki Kido, Takeshi Ueno, Toshiaki Minami
STUDY OBJECTIVE: This study aimed to compare the impact of pillow height on double-lumen tracheal tube (DLT) intubation with McGRATH MAC (McG) in patients undergoing elective surgery. DESIGN: Randomized clinical trial. SETTING: Operating room. PATIENTS: Fifty adult patients scheduled for elective surgery under 1-lung ventilation with an American Society of Anesthesiologists physical status of 1 to 3. INTERVENTIONS: DLT intubation with McG was performed with a high pillow (HP group; 25 patients) or low pillow (LP group; 25 patients) by anesthesiologists...
November 2016: Journal of Clinical Anesthesia
Nilgun Kavrut Ozturk, Ali Sait Kavakli
OBJECTIVES: Transesophageal echocardiography (TEE) probe insertion with the conventional blind insertion technique may be difficult in anesthetized and intubated patients. The use of a videolaryngoscope may facilitate the insertion of the TEE probe. The aim of this study was to compare the conventional technique with the use of the McGrath MAC videolaryngoscope for TEE probe insertion in terms of success rate, duration of insertion, and complications in patients undergoing cardiovascular surgery...
March 31, 2016: Journal of Cardiothoracic and Vascular Anesthesia
Zehra İpek Arslan, P Ozdal, D Ozdamar, H Agır, M Solak
We experienced a case of successful nasotracheal intubation using the X-Blade of the McGrath MAC in a 28-year-old woman with a 2.5-cm mouth opening. She had no teeth on the right side, her neck movement was limited, her mandibular protrusion was grade C, and her Mallampati could not be evaluated. Her tongue was fixed to the left wall during a previous surgery. We evaluated the awake glottic view using the McGrath MAC X-Blade and topical oral anesthesia. We obtained a Cormack-Lehane grade II view and then decided to administer general anesthesia...
October 2016: Journal of Anesthesia
Marianne Grønnebæk Rhode, Mads Partridge Vandborg, Vibeke Bladt, Leif Rognås
BACKGROUND: Pre-hospital endotracheal intubation is challenging and repeated endotracheal intubation is associated with increased morbidity and mortality. We investigated whether the introduction of the McGrath MAC video laryngoscope as the primary device for pre-hospital endotracheal intubation could improve first-pass success rate in our anaesthesiologist-staffed pre-hospital critical care services. We also investigated the incidence of failed pre-hospital endotracheal intubation, the use of airway adjuncts and back-up devices and problems encountered using the McGrath MAC video laryngoscope...
2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Junichi Ishio, Nobuyasu Komasawa, Haruki Kido, Yusuke Kusaka, Kentaro Imagawa, Toshiaki Minami
We report the successful anesthetic management of video-assisted left upper lobectomy in a patient with ischemic heart disease using an intra-aortic balloon pump (IABP). An 81-year-old man with severe ischemic heart disease was scheduled for partial lobectomy for suspected lung cancer under general anesthesia. Although he had severe ischemic heart disease, coronary intervention such as percutaneous cardiac intervention or coronary artery bypass grafting was impossible due to severe coronary stenosis. IABP was instituted through the femoral artery before inducing anesthesia...
April 2016: Masui. the Japanese Journal of Anesthesiology
Takeshi Ueno, Nobuyasu Komasawa, Sayuri Matsunami, Nozomi Majima, Yusuke Kusaka, Toshiaki Minami
We report the anesthetic management of a pediatric case of blue rubber bleb nevi syndrome combined with small-intestinal intussusception. A 2-year-old girl was transferred to our hospital for small-intestinal intussusception. Emergent ablation of the upper gastrointestinal tract nevus under general anesthesia was planned. Given the presence of several nevi in the oral and pharyngeal space, we utilized the McGRATH MAC (McGRATH; Aircraft Medical Ltd, United Kingdom) laryngoscope for gentle and stress-free tracheal intubation...
April 2016: Masui. the Japanese Journal of Anesthesiology
Yusuke Hashidume, Shunsuke Tachibana, Yukimasa Takada, Mitsutaka Edanaga, Michiaki Yamakage
A patient with Klippel-Feil syndrome had difficulties in inserting and placing an endotracheal tube under general anesthesia. Klippel-Feil syndrome, characterized by cervical vertebral fusion, scoliosis and endocardiosis, is a rare disease. Anesthesiologists should pay attention to management of anesthesia in airway troubles. A 53-year-old woman diagnosed with Klippel-Feil syndrome was scheduled for general anesthesia with intubation. We tried to insert an endotracheal tube using McGRATH MAC, but it was difficult to insert and place the tube...
April 2016: Masui. the Japanese Journal of Anesthesiology
Roya Yumul, Ofelia L Elvir-Lazo, Paul F White, Alejandro Sloninsky, Marshal Kaplan, Robert Kariger, Robert Naruse, Nathaniel Parker, Christine Pham, Xiao Zhang, Ronald H Wender
STUDY OBJECTIVE: To compare three different video laryngoscope devices (VL) to standard direct laryngoscopy (DL) for tracheal intubation of obese patients undergoing bariatric surgery. HYPOTHESIS: VL (vs DL) would reduce the time required to achieve successful tracheal intubation and improve the glottic view. DESIGN: Prospective, randomized and controlled. SETTING: Preoperative/operating rooms and postanesthesia care unit...
June 2016: Journal of Clinical Anesthesia
Masashi Yokose, Takahiro Mihara, Sayoko Kuwahara, Takahisa Goto
BACKGROUND: Hypertension often occurs after tracheal intubation using a Macintosh laryngoscope and may lead to rare but serious complications. The Macintosh laryngoscope may increase the incidence of hypertension because it requires forced alignment of the oral and pharyngeal axes in order to view the glottis. In contrast, the McGRATH MAC video laryngoscope does not require this manipulation. The objective of this study was to evaluate the incidence of hypertension after tracheal intubation using a McGRATH laryngoscope compared with a Macintosh laryngoscope...
2016: PloS One
Manuel Ángel Gómez-Ríos, Stephan Pinegger, María de Carrillo Mantilla, Lucia Vizcaino, Purísima Barreto-Calvo, Michael J Paech, David Gómez-Ríos, Beatriz López-Calviño
OBJECTIVE: Several devices can aid nasotracheal intubation when managing difficult airways. The McGrath MAC and Airtraq NT were compared with a Macintosh laryngoscope when studying the performance of anaesthetists with different levels of experience, in a manikin model of easy or difficult airway scenarios. METHODS: Sixty-three anaesthetists were recruited into a randomised trial in which each performed nasotracheal intubation with all laryngoscopes, in both scenarios...
May 2016: Brazilian Journal of Anesthesiology
M Kleine-Brueggeney, R Greif, P Schoettker, G L Savoldelli, S Nabecker, L G Theiler
BACKGROUND: Videolaryngoscopes are aggressively marketed, but independent evaluation in difficult airways is scarce. This multicentre, prospective randomized controlled trial evaluates six videolaryngoscopes in patients with a simulated difficult airway. METHODS: With ethics committee approval and written informed consent, 12 senior anaesthetists intubated the trachea of 720 patients. A cervical collar limited mouth opening and neck movement, making intubation difficult...
May 2016: British Journal of Anaesthesia
Demet Altun, Tulay Ozkan-Seyhan, Mukadder Orhan-Sungur, Nukhet Sivrikoz, Emre Camci
INTRODUCTION: The performance of laryngoscopes that have been developed for difficult airways can vary widely. The aim of the study was to compare Macintosh, McCoy, McGrath MAC, and C-MAC laryngoscopes in cervical immobilization and tongue edema scenarios in a mannequin, primarily to evaluate the time to intubation. METHODS: In this randomized crossover study, 41 anesthesiology residents used 4 laryngoscopes in a mannequin (SimMan 3G) in 2 different scenarios. Intubation time (insertion of the blade between the teeth, to placement of the endotracheal tube into the trachea) longer than 120 seconds or inability to successfully place the endotracheal tube into the trachea after 5 or more attempts was defined as intubation failure...
April 18, 2016: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
Tetsuro Kimura, Takasumi Katoh, Takashi Ogasawara, Soichiro Mimuro, Hiroshi Makino, Akira Suzuki, Shigehito Sato
BACKGROUND: A transesophageal echocardiography (TEE) probe is often inserted blindly. However, it is desirable to insert it under visual guidance because the blind technique sometimes causes difficulty and may contribute to serious, but rare, complications. This prospective study compared the usefulness of TEE insertion between a brand-new McGRATH MAC video laryngoscope (McGRATH) and a Macintosh laryngoscope (Macintosh). METHODS: We randomly assigned 80 adult patients undergoing cardiovascular surgery into two groups according to the laryngoscope used for TEE probe insertion: the McGRATH (McG Group; n = 40) and Macintosh (MC Group; n = 40) groups...
January 2016: Masui. the Japanese Journal of Anesthesiology
Manuel Ángel Gómez-Ríos, Stephan Pinegger, María de Carrillo Mantilla, Lucia Vizcaino, Purísima Barreto-Calvo, Michael J Paech, David Gómez-Ríos, Beatriz López-Calviño
OBJECTIVE: Several devices can aid nasotracheal intubation when managing difficult airways. The McGrath MAC and Airtraq NT were compared with a Macintosh laryngoscope when studying the performance of anaesthetists with different levels of experience, in a manikin model of easy or difficult airway scenarios. METHODS: Sixty-three anaesthetists were recruited into a randomised trial in which each performed nasotracheal intubation with all laryngoscopes, in both scenarios...
May 2016: Revista Brasileira de Anestesiologia
Eun-Hee Kim, Ji-Hyun Lee, In-Kyung Song, Jin-Tae Kim, Bo-Rim Kim, Hee-Soo Kim
BACKGROUND: The McGrath MAC video laryngoscope can improve visualisation of the glottis compared with the Macintosh direct laryngoscope. However, good visualisation of the glottis does not guarantee rapid or successful intubation because of difficulty in handling the McGrath device. OBJECTIVE: We evaluated the effect of head elevation, aligning the positions of the external auditory meatus and sternal notch in the horizontal plane, on visualisation of the glottis and handling of the McGrath laryngoscope in paediatric patients...
July 2016: European Journal of Anaesthesiology
B M A Pieters, N E R Wilbers, M Huijzer, B Winkens, A A J van Zundert
Videolaryngoscopy is often reserved for 'anticipated' difficult airways, but thereby can result in a higher overall rate of complications. We observed 65 anaesthetists, 67 residents in anaesthesia, 56 paramedics and 65 medical students, intubating the trachea of a standardised manikin model with a normal airway using seven devices: Macintosh classic laryngoscope, Airtraq(®) , Storz C-MAC(®) , Coopdech VLP-100(®) , Storz C-MAC D-Blade(®) , GlideScope Cobalt(®) , McGrath Series5(®) and Pentax AWS(®) ) in random order...
May 2016: Anaesthesia
Tomasz Gaszyński
No abstract text is available yet for this article.
2016: Anaesthesiology Intensive Therapy
Yusuke Kasuya, Emi Takahashi, Mirei Nagai, Makoto Ozaki
BACKGROUND: From April 2013, Macintosh direct laryngoscopes (DL) were replaced by McGRATH® MAC video laryngoscopes (VL), and VL were distributed in all of our operating rooms and used as routine first choice devices. Purpose of this study was to compare the success rate of the first attempt tracheal intubation by the trainees with VL and DL. Incidence of tracheal intubation related injuries were also assessed. MATERIALS AND METHODS: We reviewed anesthesia chart database in which tracheal intubations were provided by anesthesia trainees with experience of less than 3 months...
December 2015: Masui. the Japanese Journal of Anesthesiology
Yasutomo Tanaka, Yukiko Miyazaki, Hidenori Kitakata, Hiromi Shibuya, Toshiki Okada
BACKGROUND: Studies show that McGRATH® MAC (McG) is useful during direct laryngoscopy. However, no study has examined whether McG re- duces pressure on the upper airway tract We compared direct vision with indirect vision concerning pressure on the larynx and tongue. METHODS: Twenty two anesthesiologists and 16 junior residents attempted direct laryngoscopy of airway management simulator using McG with direct vision and indirect vision. Pressure was measured using pressure measurement film...
December 2015: Masui. the Japanese Journal of Anesthesiology
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