Randomized cross-over comparison of cervical-spine motion with the AirWay Scope or Macintosh laryngoscope with in-line stabilization: a video-fluoroscopic study

Maruyama, Koichi; Yamada, Takeshi; Kawakami, Roberto Yoshio; Hara, Katsumi

doi:10.1093/bja/aen207

Cited by 77 publications

(52 citation statements)

References 15 publications

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“…Most studies examining airway management were performed in the hospital rather than in the pre-hospital setting (Doran et al, 1995;Maruyama et al, 2008;Scannell et al, 1993;Turkstra et al, 2005). Intubations in the studies were done by senior anesthesia residents or fully-trained anesthesiologists.…”

Section: 016) Than Thementioning

confidence: 99%

Pre-Hospital Care Management of a Potential Spinal Cord Injured Patient: A Systematic Review of the Literature and Evidence-Based Guidelines

Ahn

Singh

Nathens

et al. 2011

Journal of Neurotrauma

122

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An interdisciplinary expert panel of medical and surgical specialists involved in the management of patients with potential spinal cord injuries (SCI) was assembled. Four key questions were created that were of significant interest. These were: (1) what is the optimal type and duration of pre-hospital spinal immobilization in patients with acute SCI?; (2) during airway manipulation in the pre-hospital setting, what is the ideal method of spinal immobilization?; (3) what is the impact of pre-hospital transport time to definitive care on the outcomes of patients with acute spinal cord injury?; and (4) what is the role of pre-hospital care providers in cervical spine clearance and immobilization? A systematic review utilizing multiple databases was performed to determine the current evidence about the specific questions, and each article was independently reviewed and assessed by two reviewers based on inclusion and exclusion criteria. Guidelines were then created related to the questions by a national Canadian expert panel using the Delphi method for reviewing the evidence-based guidelines about each question. Recommendations about the key questions included: the pre-hospital immobilization of patients using a cervical collar, head immobilization, and a spinal board; utilization of padded boards or inflatable bean bag boards to reduce pressure; transfer of patients off of spine boards as soon as feasible, including transfer of patients off spinal boards while awaiting transfer from one hospital institution to another hospital center for definitive care; inclusion of manual in-line cervical spine traction for airway management in patients requiring intubation in the pre-hospital setting; transport of patients with acute traumatic SCI to the definitive hospital center for care within 24 h of injury; and training of emergency medical personnel in the pre-hospital setting to apply criteria to clear patients of cervical spinal injuries, and immobilize patients suspected of having cervical spinal injury.

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Section: 016) Than Thementioning

confidence: 99%

Pre-Hospital Care Management of a Potential Spinal Cord Injured Patient: A Systematic Review of the Literature and Evidence-Based Guidelines

Ahn

Singh

Nathens

et al. 2011

Journal of Neurotrauma

122

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“…Miceli et al prepared 3 airline model scenarios (normal airline, limited neck extension, swollen tongue) for 12 anesthetists and better glottic images were obtained with Truview EVO2 video-laryngoscope in comparison with the Macintosh laryngoscope blade (Miceli et al, 2008). In a comparative study, Singh et al found no significant difference between the two groups (Maruyama et al, 2008). In our study no significant difference was detected between the two laryngoscopes in terms of success rates.…”

Section: Discussionmentioning

confidence: 42%

“…In a study performed by non-anesthetists, Shimada et al compared video-laryngoscope and Macintosh laryngoscope in nasotracheal intubation, and stressed that they could secure the airway within a shorter time with Glidescope video-laryngoscope (Shimada et al, 2010). Maruyama et al compared intubation times and success rates in intubations realized using Airway Scope or Macintosh laryngoscope blades in 13 elective surgery planned patients, and they found no significant difference between two laryngoscopes in terms of intubation times and success rates (Maruyama et al, 2008). In our study carried out by one person with experience of 4 years in laryngoscopic interventions, the results obtained after a trial period of 10 cases indicated longer duration of intubation with Truview EVO2 video-laryngoscope than Macintosh laryngoscope blade despite preventive measures for unnecessary time loss before laryngoscopy.…”

Section: Discussionmentioning

confidence: 99%

“…In a study examining the effects of neck extension on intubation, Maruyama et al, (2008) compared neck extension need, intubation time and success rates in intubations performed by Airway Scope or Macintosh laryngoscope in 13 patients undergoing elective surgery. In conclusion, their patients required greater number of neck extensions with Airway Scope® and no statistically significant difference was found in terms of intubation times and success rates between two laryngoscopes.…”

Section: Discussionmentioning

confidence: 99%

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Assesment of Macintosh Laryngoscope and Truview EVO2 Video-laryngoscope With Respect to Hemodynamic and Intubation Quality in Patients With Presumptive Difficult Intubation

TORUN¹,

TÜR²,

ÖZKAN³

et al. 2011

jecm

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This study aims to compare Macintosh laryngoscope and Truview EVO2 video-laryngoscope with respect to the quality of glottic image, the success rate of intubation and their impact on the duration of intubation, hemodynamic responses and also related complications in patients with expected difficult intubation according to the Mallampati scoring system. Sixty patients in ASA I-II group ranging from 18-65 years of age were included in the study. Patients were randomly divided into two groups of 30 cases as group M (the group intubated with Macintosh laryngoscope) and Group V (the group intubated with Truview EVO2 video-laryngoscope). C-L (Cormack-Lehanne) score detected during intubation, duration of intubation, neck extansion needs, the success of intubation, complications, and antihypertensive requirement were recorded. Preoperatively, before induction, after induction, immediately after intubation, after intubation, 1st, 2nd, 3rd, 4th and 5 minute heart rate, systolic artesial pressure, diastolic arterial pressure, mean arterial pressure, peripheral oxygen saturation were recorded. There was a significant difference between both groups as for the quality of glottic images obtained. C-L III score was rated for 1 patient in Group M, and 10 patients in Group V (p<0.05) . Duration of intubation was 23 secs in Group M, and 42 secs in Group V, respectively (p<0.05). During intubation neck extension was significantly higher in Group M (p<0.05). Bleeding complication was observed in one patient's mouth during intubation in Group M while no complications were observed in Group V (p>0.05) . Number of attempts of intubation, hemodynamic parameters and need for antihypertensive showed no significant difference between the two groups (p>0.05). Truview EVO2 video-laryngoscope may be preferred to Macintosh blade laryngoscope because of better glottic and orafaringeal image acquisition in patients expected with difficult intubation and providing successful intubation in patients with contraindicated neck extension.

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“…[1][2][3] Its introducer, the INT-LOCK TM , gives the straight reinforced tube a downward orientation, whereas the curved tube points upwards. Therefore, intubation difficulties may be more frequent with the straight tube because of more likely impingement with the arytenoids (Fig.…”

Section: To the Editormentioning

confidence: 99%

Tracheal intubation with the AirwayScope™ videolaryngoscope using straight vs curved reinforced tubes

Minonishi

Kinoshita

Tange

et al. 2009

Can J Anesth/J Can Anesth

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Randomized cross-over comparison of cervical-spine motion with the AirWay Scope or Macintosh laryngoscope with in-line stabilization: a video-fluoroscopic study

Cited by 77 publications

References 15 publications

Pre-Hospital Care Management of a Potential Spinal Cord Injured Patient: A Systematic Review of the Literature and Evidence-Based Guidelines

Pre-Hospital Care Management of a Potential Spinal Cord Injured Patient: A Systematic Review of the Literature and Evidence-Based Guidelines

Assesment of Macintosh Laryngoscope and Truview EVO2 Video-laryngoscope With Respect to Hemodynamic and Intubation Quality in Patients With Presumptive Difficult Intubation

Tracheal intubation with the AirwayScope™ videolaryngoscope using straight vs curved reinforced tubes

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