• Pamela Hiltunen, Helena Jäntti, Tom Silfvast, Markku Kuisma, Jouni Kurola, and FINNRESUSCI Prehospital study group.
• Centre for Prehospital Emergency Care, Kuopio University Hospital, PO Box 1777, FIN-70210, Kuopio, Finland. pamela.hiltunen@kuh.fi.
• Scand J Trauma Resus. 2016 Apr 12; 24: 49.

BackgroundThough airway management methods during out-of-hospital cardiac arrest (OHCA) remain controversial, no studies on the topic from Finland have examined adherence to OHCA recommendations in real life. In response, the aim of this study was to document the interventions, success rates, and adverse events in airway management processes in OHCA, as well as to analyse survival at hospital discharge and at follow-up a year later.MethodsDuring a 6-month study period in 2010, data regarding all patients with OHCA and attempted resuscitation in southern and eastern Finland were prospectively collected. Emergency medical services (EMS) documented the airway techniques used and all adverse events related to the process. Study endpoints included the frequency of different techniques used, their success rates, methods used to verify the correct placement of the endotracheal tube, overall adverse events, and survival at hospital discharge and at follow-up a year later.ResultsA total of 614 patients were included in the study. The incidence of EMS-attempted resuscitation was determined to be 51/100,000 inhabitants per year. The final airway technique was endotracheal intubation (ETI) in 413 patients (67.3%) and supraglottic airway device (SAD) in 188 patients (30.2%). The overall success rate of ETI was 92.5%, whereas that of SAD was 85.0%. Adverse events were reported in 167 of the patients (27.2%). Having a prehospital EMS physician on the scene (p < .001, OR 5.05, 95% CI 2.94-8.68), having a primary shockable rhythm (p < .001, OR 5.23, 95% CI 3.05-8.98), and being male (p = .049, OR 1.80, 95% CI 1.00-3.22) were predictors for survival at hospital discharge.ConclusionsThis study showed acceptable ETI and SAD success rates among Finnish patients with OHCA. Adverse events related to airway management were observed in more than 25% of patients, and overall survival was 17.8% at hospital discharge and 14.0% after 1 year.

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