• Fritz Sterz, Andreas Schober, Peter Stratil, Christian Wallmuller, Giora Meron, and Istepan Kurkciyan.
• Department of Emergency Medicine, General Hospital of Vienna, Medical University of Vienna, Austria.
• Resuscitation. 2012 Oct 1;83(10):1206-11.

Aim Of The StudyTo evaluate the relationship between cause and outcome of in-hospital cardiac arrest.MethodsRetrospective analysis of resuscitation data, causes of cardiac arrest and outcome with a follow-up to 6 months of a cardiac arrest registry in an emergency department of a tertiary care hospital, covering a 17.5-year period.ResultsOf 1041 patients, 653 were male (63%), the median age was 64 years (IQR 53-73), 51% suffered cardiac arrest in the emergency department. The first recorded rhythm showed PEA in 432 (41%), ventricular fibrillation in 404 (39%) and asystole in 205 (20%) patients. Cardiac arrest of cardiac origin occurred in 63% of all patients, with 35% of them due to acute myocardial infarction. Non-cardiac causes were mostly due to pulmonary causes (15% of all patients). Aortic dissection/rupture, exsanguination, intoxication and adverse drug reactions, metabolic, cerebral, sepsis and accidental hypothermia each ranged between 1 and 4% of the cohort. Of all patients, 376 (36%) were discharged in good neurologic condition. Overall, patients with cardiac causes had a significantly better outcome than those with non-cardiac causes (44% vs. 23%, p<0.01). Patients with pulmonary causes survived in 24%. The other subgroups showed widely divergent survival results (3-65%). Patients who had suffered cardiac arrest in the emergency department had a better outcome then patients of the regular ward or radiology department.ConclusionIn hospital cardiac arrest is caused mainly by cardiac and pulmonary causes, outcome depends on the cause, with a big variability.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

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