Causes of in-hospital cardiac arrest-Incidences and rate of recognition.

Link to article at PubMed

Causes of in-hospital cardiac arrest-Incidences and rate of recognition.

Resuscitation. 2014 Nov 27;

Authors: Bergum D, Nordseth T, Mjølstad OC, Skogvoll E, Haugen BO

BACKGROUND AND METHODS: Do emergency teams (ETs) consider the underlying causes of in-hospital cardiac arrest (IHCA) during advanced life support (ALS)? In a 4.5 year prospective observational study, an aetiology study group examined 302 episodes of IHCA. The purpose was to investigate the causes and cause-related survival and to evaluate whether these causes were recognised by the ETs.
RESULTS: In 258 (85%) episodes, the cause of IHCA was reliably determined. The cause was correctly recognised by the ET in 198 of 302 episodes (66%). In the majority of episodes, cardiac causes (156, 60%) or hypoxic causes (51, 20%) were present. The cause-related survival was 30% for cardiac aetiology and 37% for hypoxic aetiology. The initial cardiac rhythm was pulseless electrical activity (PEA) in 144 episodes (48%) followed by asystole in 70 episodes (23%) and combined ventricular fibrillation/ventricular tachycardia (VF/VT) in 83 episodes (27%). Seventy-one patients (25%) survived to hospital discharge. The median delay to cardiopulmonary resuscitation (CPR) was 1minute (inter-quartile range 0-1minutes).
CONCLUSIONS: Various cardiac and hypoxic aetiologies dominated. In two-thirds of IHCA episodes, the underlying cause was correctly identified by the ET, i.e. according to the findings of the aetiology study group.

PMID: 25434603 [PubMed - as supplied by publisher]

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