Comparison of infant intubation through the TruView EVO2, TruView PCD, and Miller laryngoscope by paramedics during simulated infant cardiopulmonary resuscitation: A randomized crossover manikin study

Łukasz Szarpak, Andrzej Kurowski, Łukasz Czyżewski, Marcin Madziała, Zenon Truszewski
American Journal of Emergency Medicine 2015, 33 (7): 872-5

INTRODUCTION: The aim of the study was to compare the efficacy of the TruView EVO2, TruView PCD, and Miller laryngoscopes for tracheal intubation during cardiopulmonary resuscitation with and without chest compressions (CCs) by paramedics in an infant manikin model.

METHODS: This was an open, prospective, randomized, simulated trial. After a brief didactic session, 78 volunteer paramedics attempted to intubate a manikin using TruView EVO2, TruView PCD, and Miller laryngoscopes during resuscitation with and without CC scenarios. Primary end point was intubation success rate and secondary was time to intubation with each device. Glottic view using a Cormack-Lehane grade in using each device was also assessed.

RESULTS: In scenario with uninterrupted CCs, the median time to intubation using the TruView EVO2, TruView PCD, and Miller varied with the times being 25.3 seconds (interquartile range [IQR], 23-30.5 seconds) vs 20.2 seconds (IQR, 18-23 seconds) vs 24.4 seconds (IQR, 21-28 seconds), respectively. The overall success rate of intubation during CC for the devices were 94.9% vs 100% vs 92.1%. During intubation without CC, median time to intubation varied and amounted to 24.9 seconds (IQR, 21-29.6 seconds) for TruView EVO2, 18.3 seconds (IQR, 16-21.3 seconds) for TruView PCD, and 19.4 seconds (IQR, 17-23.3 seconds) for Miller laryngoscope. The overall success rate of intubation without CC for all devices was 100%.

CONCLUSIONS: For infant tracheal intubation with TruView PCD, when used by paramedics, the malleable TruView PCD showed shorter intubation time and higher overall success rate in a simulated CC scenario than TruView EVO2 or Miller laryngoscopes. Further clinical studies are necessary to confirm these initial positive findings.

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