1,159 results match your criteria video laryngoscopes

A comparative study of glottis visualization according to the method of lifting the epiglottis in video laryngoscopy: indirect and direct lifting methods.

Anesth Pain Med (Seoul) 2021 Apr 8. Epub 2021 Apr 8.

Department of Anesthesiology and Pain Medicine, Presbyterian Medical Center, Jeonju, Korea.

Background: The direct entry of the camera under the epiglottis may provide a better view of the glottis than the indirect lifting of the epiglottis by placing the Macintosh blade tip on the vallecula when using the video laryngoscope. This study aimed to compare the efficiency of two different methods of lifting the epiglottis during the visualization of glottis using video laryngoscopy in the same patient.

Methods: This prospective study enrolled 60 patients who underwent general anesthesia with tracheal intubation. Read More

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Comparison of conventional C-MAC video laryngoscope guided intubation by anesthesia trainees with and without Frova endotracheal introducer: A randomized clinical trial.

J Anaesthesiol Clin Pharmacol 2020 Oct-Dec;36(4):483-488. Epub 2021 Jan 18.

Department of Anesthesia and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.

Background And Aims: Successful intubation with video laryngoscopes necessitates good hand-eye coordination and the use of intubation adjuncts like bougie and stylet. We proposed this study to find whether using Frova introducer with C-MAC video laryngoscope will reduce the intubation time in trainee anesthesiologists.

Material And Methods: We enrolled 140 adults without any difficult airway predictors. Read More

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January 2021

chronic kidney disease.

Pol Merkur Lekarski 2021 Feb;49(289):64-66

Department of Anaesthesiology and Intensive Therapy, Medical University of Lodz, Poland.

In a traditional epiglottis biopsy surgery, the operator performs the direct laryngoscopy to visualise an operating field. However, in patients with tumour-altered epiglottis, this procedure can be unsuccessful, because of difficult laryngeal exposure (DLE). This term refers to an insufficient visualisation of larynx, according to anatomical and pathological lesions. Read More

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February 2021

A comparative study of haemodynamic effects of single-blinded orotracheal intubations with intubating laryngeal mask airway, Macintosh and McGrath video laryngoscopes.

Anaesthesiol Intensive Ther 2021 ;53(1):30-36

Department of Anaesthesiology, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Porur, Chennai, India.

Introduction: The efficacy of an intubation technique is crucial to the success of ventilation therapies. Intubating laryngeal mask airway (ILMA), Macintosh and McGrath techniques are yet to be evaluated thoroughly. Orotracheal intubations with ILMA, McGrath, and Macintosh laryngoscopes are compared based on haemodynamic changes, time taken for intubations, and success rate. Read More

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January 2021

Peritonsillar abscess drainage: using oropharyngeal endoscopy as a therapeutic adjunct and training tool.

J Laryngol Otol 2021 Feb 18;135(2):176-178. Epub 2021 Feb 18.

Department of Ear, Nose and Throat Surgery, Heartlands Hospital, University Hospitals Birmingham, Birmingham, UK.

Background: Peritonsillar abscess, or quinsy, is one of the most common emergency presentations to ENT departments, and is the most common deep tissue infection of the head and neck. In the UK, junior members of the ENT team are regularly required to independently assess, diagnose and treat patients with peritonsillar aspiration or incision and drainage.

Issue: Inexperienced practitioners can stumble at several obstacles: poor access due to trismus; poor lighting; difficulty in learning the therapeutic procedure; and difficulty in accurately documenting findings and treatment. Read More

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February 2021

Video Laryngoscopy Improves Intubation Times With Level C Personal Protective Equipment in Novice Physicians: A Randomized Cross-Over Manikin Study.

J Emerg Med 2021 Feb 9. Epub 2021 Feb 9.

Department of Anesthesiology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece.

Background: The use of video laryngoscopes by novice physicians may improve first-pass success rates compared with direct laryngoscopy.

Objective: The aim of the present study was to assess whether time to intubation, number of laryngoscopy attempts, and first-pass success rate during laryngoscopy with the video laryngoscope or conventional Macintosh laryngoscope are affected by personal protective equipment (PPE) donning.

Methods: Seventy inexperienced physicians were randomly assigned to video laryngoscope or Macintosh groups and were instructed to perform intubation with both devices on a manikin, using PPE or a standard uniform. Read More

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February 2021

Three-day tracheal intubation manikin training for novice doctors using Macintosh laryngoscope, McGRATH MAC videolaryngoscope and Pentax AirwayScope.

Medicine (Baltimore) 2021 Jan;100(4):e23886

Department of Anesthesiology and Pain Medicine, Hyogo College of Medicine.

Background: We compared the intubation skills obtained by novice doctors following training using 3 instruments, the conventional Macintosh laryngoscope (Mac) and 2 types of indirect video-laryngoscopes (McGrathTM-MAC: McGrath (McG) and AirwayScope (AWS)), to determine the most appropriate instrument for novice doctors to acquire intubation skills, especially focusing on visual confirmation of vocal cords, during a 3-day intensive manikin training program.

Methods: Fifteen novice doctors who did not have sufficient experience in endotracheal intubation (ETI) and consented to participate in this study were included. We used AirSim and AMT (Airway management Trainer) manikins. Read More

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January 2021

Comparison of TruView and King Vision video laryngoscopes in subaxial cervical spine injury: A randomized controlled trial.

Surg Neurol Int 2020 6;11:375. Epub 2020 Nov 6.

Department of Orthopaedics, Seth GS Medical College and KEM Hospital, Mumbai, Seth Gordhandas Sunderdas Medical College, Mumbai, Maharashtra, India.

Background: Airway management with cervical spine immobilization poses a particular challenge for intubation in the absence of neck extension and risks neurological damage in cases of unstable cervical spine injuries. Here, with manual inline stabilization (MILS) in patients with cervical spine injuries, we compared the safety/efficacy of intubation utilizing the TruView versus King Vision video laryngoscopes.

Methods: This prospective, single-blind, comparative study was conducted over a 3-year period. Read More

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November 2020

Cross-sectional Study on Assessment of First-pass Success of Video Laryngoscope Intubation in General Anesthesia Patients.

Mymensingh Med J 2021 Jan;30(1):123-127

Dr Farhana Selina, Associate Professor, Department of Anesthesiology, Sylhet Women's Medical College, Sylhet, Bangladesh; E-mail:

Traditional Direct laryngoscope (DL) has been used by anesthesiologist during intubation for general anesthesia patients for more than a century. Video laryngoscope (VL) helps in better visualization of laryngeal orifice during intubation and reduces intubation time. This was a cross sectional study conducted in two Asian Hospitals Queen Elizabeth II hospital of Kotakinabalu, Malaysia and King Faisal Hospital Taif of Saudi Arabia to assess the first-pass success of video laryngoscope and to compare with direct laryngoscope from July 2015 to December 2017. Read More

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January 2021

Comparing Video and Direct Laryngoscopy for Nasotracheal Intubation.

Anesth Prog 2020 12;67(4):193-199

Assistant Professor, Department of Oral & Maxillofacial Surgery, School of Dentistry, Louisiana State University Health Sciences Center, New Orleans, Louisiana.

This parallel group randomized controlled clinical trial compared intubation duration and success using video laryngoscopy (VL) versus direct laryngoscopy (DL) during routine nasotracheal intubation. Fifty patients undergoing oral and maxillofacial surgery under general anesthesia were randomly assigned into 2 groups receiving either VL or DL to facilitate nasotracheal intubation. The primary outcome was the amount of time required to complete nasotracheal intubation. Read More

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December 2020

Combined Use of a Gum Elastic Bougie and Video Laryngoscopy for Intubating a Patient With an Unexpected Laryngeal Papilloma.

Anesth Prog 2020 12;67(4):230-232

Department of Anesthesiology and Clinical Physiology, Tokyo Medical and Dental University, Tokyo, Japan.

This is a case report of a 75-year-old man scheduled for apical resection and cystectomy of odontogenic cysts involving both maxillary central incisors who presented with a previously unknown laryngeal mass that was discovered prior to intubation. Following induction and easy mask ventilation, direct laryngoscopy revealed a large mass on the right side of the glottis that impeded passage of a standard oral endotracheal tube. Successful atraumatic intubation was performed with the combination of a video laryngoscope (King Vision, Ambu Inc, Ballerup, Denmark) and a gum elastic bougie (GEB). Read More

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December 2020

Reply to: video laryngoscopy during airway management in COVID-19 patients.

Eur J Anaesthesiol 2021 01;38(1):99-100

From the Department of Anaesthesiology (CC, NS, ZH) and Cell-Gene Therapy Translational Medicine Research Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China (CC, QZ).

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January 2021

Video laryngoscopy during airway management in COVID-19 patients: practical relevance of a recent EJA Christmas issue article.

Tobias Hilbert

Eur J Anaesthesiol 2021 01;38(1):98-99

From the Department of Anaesthesiology and Intensive Care Medicine, University Hospital Bonn, Bonn, Germany.

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January 2021

Learning curve and performance in simulated difficult airway for the novel C-MAC® video-stylet and C-MAC® Macintosh video laryngoscope: A prospective randomized manikin trial.

PLoS One 2020 19;15(11):e0242154. Epub 2020 Nov 19.

Department of Anesthesia & Perioperative Medicine, University of Western Ontario, LHSC- University Hospital, London, Ontario, Canada.

Difficult airways can be managed with a range of devices, with video laryngoscopes (VLs) being the most common. The C-MAC® Video-Stylet (VS; Karl-Storz Germany), a hybrid between a flexible and a rigid intubation endoscope, has been recently introduced. The aim of this study is to investigate the performance of the VS compared to a VL (C-MAC Macintosh blade, Karl-Storz Germany) with regards to the learning curve for each device and its ability to manage a simulated difficult airway manikin. Read More

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January 2021

The role of videolaryngoscopy in airway management of COVID-19 patients.

Anaesthesiol Intensive Ther 2020 ;52(4):344-345

Intensive Care Unit and Non Invasive Ventilatory Unit, Hospital General Universitario Morales Meseguer, Murcia, Spain.

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November 2020

Assessment of endotracheal intubation procedures following inadvertent esophageal intubation. A randomized crossover manikin trial.

J Pak Med Assoc 2020 Sep;70(9):1577-1582

Department of Emergency Medicine, Gulhane Training and Research Hospital, University of Health Sciences, Ankara, Turkey.

Objective: To evaluate the success, degree of difficulty and completion time of endotracheal intubation without removing the endotracheal tube in the event of an oesophageal intubation..

Methods: The prospective, randomised crossover study was conducted at Gulhane Training and Research Hospital, Ankara, Turkey, from July 1, 2018, to August 31, 2018, and used a manikin model. Read More

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September 2020

Proficiencies of military medical officers in intubating difficult airways.

BMC Emerg Med 2020 10 7;20(1):78. Epub 2020 Oct 7.

RS Anaesthesia & Intensive Care, 71 Ubi Road 1, #05-41, Singapore, 408732, Singapore.

Background: This study sheds light on the proficiency of military medical officers who had received between 2 and 3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes.

Method: One hundred thirty-three doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. Read More

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October 2020

A Case of Successful Tracheal Tube Exchange With McGrath MAC for Tube Damage During Oral Surgery.

Anesth Prog 2020 09;67(3):174-176

Department of Anesthesiology, Nihon University School of Dentistry, Tokyo, Japan.

A patient undergoing a bilateral sagittal split and LeFort 1 maxillary osteotomy performed under general anesthesia required emergent intraoperative exchange of a potentially damaged nasotracheal tube. This exchange was smoothly performed under constant indirect visualization using the McGrath MAC video laryngoscopy system. After the exchange, ventilation of the patient dramatically improved. Read More

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September 2020

Barrier Enclosure for Endotracheal Intubation in a Simulated COVID-19 Scenario: A Crossover Study.

West J Emerg Med 2020 Aug 17;21(5):1080-1083. Epub 2020 Aug 17.

Mayo Clinic, Department of Anesthesiology, Rochester, Minnesota.

Introduction: Barrier enclosures have been developed to reduce the risk of COVID-19 transmission to healthcare providers during intubation, but little is known about their impact on procedure performance. We sought to determine whether a barrier enclosure delays time to successful intubation by experienced airway operators.

Methods: We conducted a crossover simulation study at a tertiary academic hospital. Read More

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Management of Critically Injured Burn Patients During an Open Ocean Parachute Rescue Mission.

J Spec Oper Med 2020 ;20(3):135-140

Best practices and training for prolonged field care (PFC) are evolving. The New York Pararescue Team has used part task training, cadaver labs, clinical rotations, and a complicated sim lab to prepare for PFC missions including critical care. This report details an Atlantic Ocean nighttime parachute insertion to provide advanced burn care to two sailors with 50% and 60% body surface area burns. Read More

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November 2020

A comparison of videolaryngoscopy using standard blades or non-standard blades in children in the Paediatric Difficult Intubation Registry.

Br J Anaesth 2021 Jan 17;126(1):331-339. Epub 2020 Sep 17.

Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Boston, MA, USA; Department of Anaesthesia, Harvard Medical School, Boston, MA, USA.

Background: The design of a videolaryngoscope blade may affect its efficacy. We classified videolaryngoscope blades as standard and non-standard shapes to compare their efficacy performing tracheal intubation in children enrolled in the Paediatric Difficult Intubation Registry.

Methods: Cases entered in the Registry from March 2017 to January 2020 were analysed. Read More

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January 2021

Optimal effect-site concentration of remifentanil to prevent hemodynamic changes during nasotracheal intubation using a video laryngoscope.

J Dent Anesth Pain Med 2020 Aug 27;20(4):195-202. Epub 2020 Aug 27.

Department of Dental Anesthesia and Pain Medicine, School of Dentistry, Pusan National University, Dental Research Institute, Yangsan, Republic of Korea.

Background: Nasotracheal intubation is the most commonly used method to secure the field of view when performing surgery on the oral cavity or neck. Like orotracheal intubation, nasotracheal intubation uses a laryngoscope. Hemodynamic change occurs due to the stimulation of the sympathetic nervous system. Read More

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Videolaryngoscopy: Is There a Path to Becoming a Standard of Care for Intubation?

Anesth Analg 2020 10;131(4):1313-1316

From the Department of Anesthesia, McGill University, Montreal, Quebec, Canada.

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October 2020

The effect of laryngoscope types on hemodynamic response and optic nerve sheath diameter. McCoy, Macintosh, and C-MAC video-laryngoscope.

Saudi Med J 2020 Sep;41(9):930-937

Department of Anesthesiology and Reanimation, Faculty of Medicine, Bülent Ecevit University, Zonguldak, Turkey. E-mail.

Objectives: This study aims to investigate the effect of McCoy, Macintosh laryngoscope, and C-MAC video-laryngoscopes on optic nerve sheath diameter (ONSD) and hemodynamic responses to laryngoscopy and intubation.

Methods: This prospective randomized study was conducted in Zonguldak Bülent Ecevit University Hospital, Zonguldak, Turkey, between July 2019 and January 2020. Informed written consent was obtained from all patients. Read More

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September 2020

Different classes of videoscopes and direct laryngoscopes for double-lumen tube intubation in thoracic surgery: A systematic review and network meta-analysis.

PLoS One 2020 28;15(8):e0238060. Epub 2020 Aug 28.

Department of Anesthesiology and Pain Medicine, Korea University Guro Hospital, Seoul, Republic of Korea.

Background: Double-lumen tube is commonly used in thoracic surgeries that need one-lung ventilation, but its big size and stiff structure make it harder to perform intubation than a conventional tracheal intubation tube.

Objectives: To investigate the effectiveness and safety of videoscopes for double-lumen tube insertion. The primary outcome was the success rate of first attempt intubation. Read More

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October 2020

Comparative Evaluation of McGrath MAC, Truview Video Laryngoscopes and Macintosh Laryngoscope for Endotracheal Intubation in Patients Undergoing Surgery under General Anaesthesia.

Anesth Essays Res 2020 Jan-Mar;14(1):20-24. Epub 2020 Jun 22.

Dhingra Child Care Center, Ludhiana, Punjab, India.

Background: Videolaryngoscopy is a newly developed technique to improve tracheal intubation success. It was made to bypass the need of directly visualising the glottic inlet. These devices are advantageous as there is no need of aligning the laryngeal, pharyngeal and oral axes for a clear view, thus making intubation easier and faster. Read More

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Macintosh Videolaryngoscope for Intubation in the Operating Room: A Comparative Quality Improvement Project.

Anesth Analg 2021 02;132(2):524-535

From the PhyMedExp, University of Montpellier, Institut National de la Santé et de la Recherche Médicale (INSERM), Centre National de la Recherche Scientifique (CNRS), Centre Hospitalier Universitaire (CHU) Montpellier, Montpellier, France.

Background: "Macintosh"-videolaryngoscopes (VLs) are VLs that allow both direct and indirect laryngoscopy for intubation. We describe the decision-making and implementation-processes that our hospital used regarding the choice of device. We compared the performances of 4 Macintosh-VLs both in direct and indirect laryngoscopy. Read More

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February 2021

Comparison of Glidescope® Go™, King Vision™, Dahlhausen VL, I‑View™ and Macintosh laryngoscope use during difficult airway management simulation by experienced and inexperienced emergency medical staff: A randomized crossover manikin study.

PLoS One 2020 30;15(7):e0236474. Epub 2020 Jul 30.

Department of Anesthesiology, University Hospital Erlangen, Faculty of Medicine, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Erlangen, Germany.

Background: In pre-hospital emergency care, video laryngoscopes (VLs) with disposable blades are preferably used due to hygienic reasons. However, there is limited existing data on the use of VLs with disposable blades by emergency medical staff. Therefore, the aim of this study was to compare the efficacy of four different VLs with disposable blades and the conventional standard Macintosh laryngoscope, when used by anesthetists with extensive previous experience and paramedics with little previous experience in endotracheal intubation (ETI) in a simulated difficult airway. Read More

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September 2020

Why USB-endoscope laryngoscopy is as effective as video laryngoscopy.

Clin Invest Med 2020 06 28;43(2):E55-59. Epub 2020 Jun 28.

Yenimahalle Training and Research Hospital, Department of Anesthesiology, Ankara, Turkey.

Purpose: To compare the efficacy of a low-cost custom-made universal serial bus (USB) endoscope laryngoscope for intubation with a direct laryngoscope and a high-cost video laryngoscope in a mannequin study.

Methods: We used one intubation simulator model (mannequin) in our study. A USB endoscope was mounted to the direct laryngoscope as a custom-made USB endoscope laryngoscope (USB-L). Read More

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