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A Comparison of Three Maneuvers and Their Effect on Laryngoscopic View, Time to Intubate, and Intubation Outcome by Novice Intubators in a Simulated Airway.

Abstract：

:Aim The goal of this study was to compare the relative effectiveness of three adjunctive maneuvers - head elevation (HE), forward laryngoscope traction (FT), and external laryngeal manipulation (ELM) - on laryngoscopic view, intubation time, and intubation success performed by a sample of novice intubators using a simulated airway. METHODS:Twenty-two second year university paramedic students were required to perform laryngoscopy and intubation on a simulator four times on two separate days. The first day involved intubation using no adjunctive maneuvers (control) plus HE, FT, and ELM in random order in a normal simulated airway. A similar approach was used on the second day, but the simulator was configured to have a difficult airway. Percentage of glottic opening (POGO) scores, intubation time, and intubation success were measured for all intubation attempts. RESULTS:Head elevation was found to be the most effective adjunctive maneuver in the normal airway, increasing the mean POGO score from control by 27% (P=.002), while ELM was most effective in the difficult airway, increasing the mean POGO score by 21% (P=.009) and the proportion of successful intubations by 41% (P<.001). All maneuvers decreased intubation time in the normal and difficult airway and were associated with significant differences in intubation success compared to control in the difficult airway. CONCLUSIONS:This study identified HE as the most effective maneuver for improving laryngoscopic view in a normal airway and ELM as the most effective in a difficult airway in a group of novice intubators. Stein C , Gerber L , Curtin D , Oberem N , Wells M . A comparison of three maneuvers and their effect on laryngoscopic view, time to intubate, and intubation outcome by novice intubators in a simulated airway. Prehosp Disaster Med. 2017;32(4):419-423.

journal_name

Prehosp Disaster Med

journal_title

Prehospital and disaster medicine

authors

Stein C,Gerber L,Curtin D,Oberem N,Wells M

doi

10.1017/S1049023X17006392

subject

Has Abstract

pub_date

2017-08-01 00:00:00

pages

419-423

issue

eissn

1049-023X

issn

1945-1938

pii

S1049023X17006392

journal_volume

pub_type

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A Comparison of Three Maneuvers and Their Effect on Laryngoscopic View, Time to Intubate, and Intubation Outcome by Novice Intubators in a Simulated Airway.