Journal Article Should laryngeal tubes or masks be used for out-of-hospital cardiac arrest patients?

Ono, Yuichi  ,  Hayakawa, Mineji  ,  Maekawa, Kunihiko  ,  Mizugaki, Asumi  ,  Katabami, Kenichi  ,  Wada, Takeshi  ,  Sawamura, Atsushi  ,  Gando, Satoshi

33 ( 10 )  , pp.1360 - 1363 , 2015-10 , Elsevier
Objective: Few studies have compared airway management via laryngeal masks (LM) or laryngeal tubes (LT) in patients with out-of-hospital cardiac arrest (OHCA). This study evaluated whether LT insertion by emergency medical service (EMS) personnel affected ventilation and outcomes in OHCA patients (vs. the standard LM treatment). Methods: This prospective, cluster-randomized, and open-label study evaluated data that were collected by the Sapporo Fire Department between June 2012 and January 2013. We selected the 14 EMS teams that treated the greatest number of OHCA patients in Sapporo, Japan during 2011, and randomized the teams into Groups A and B. In the first study period (June 2012 to September 2012), Group A treated OHCA patients via LT and Group B treated OHCA patients via LM. In the second period (October 2012 to January 2013), Group A treated OHCA patients via LM and Group B treated OHCA patients via LT. If necessary, both groups were allowed to use an esophageal obturator airway (EOA) kit. The primary endpoints were time from cardiopulmonary resuscitation to device insertion and the rate of successful pre-hospital ventilation. The secondary endpoints were return of spontaneous circulation and survival and favorable neurological outcomes at 1 month after cardiac arrest.Results: LT was used in 148 OHCA patients and LM was used in 165 OHCA patients. Our intention-to-treat analyses revealed no significant differences in the primary and secondary outcomes of the LT- and LM-treated groups. Conclusion: Prehospital advanced airway management via LT provides similar outcomes to those of LM in OHCA patients.

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