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Characteristics and Survival Determinants in Patients After Out-of-Hospital Cardiac Arrest in The Era of 24/7 Coronary Intervention Facilities.

Author: Kroupa J

2017-08-01

Survival rates and outcomes after out-of-hospital cardiac arrest (OHCA) remain low despite investments of time and money. The goal of this analysis was to identify variables related to survival of patients transferred to our coronary care unit (CCU) after an OHCA.102 consecutive OHCA patients, mean age 64.6 (SD 13.3), 70.6% men, between January, 2011 and December, 2013, who were transferred to our tertiary care CCU, were studied.Cardiac-cause OHCA was present in 84 patients (82.4%). Of these 60.7% had an acute coronary syndrome (ACS) - STEMI 35.7%; NSTEMI 23.8%. Coronary angiography was performed in 73 (71.6%) patients - 81% with cardiac- and 31.3% (5/16) with a non-cardiac cause. Percutaneous coronary intervention (PCI) was performed in 50 patients (68.5%), 49 with cardiac-cause, and succeeded in 92%. In-hospital mortality was 38.2%, one-year mortality was 51.5%. In-hospital and one-year mortality were related to age (p=0.002 resp. p=0.001), first ECG rhythm (p=0.001, resp. p=0.005), history of coronary artery disease (RR 2.1; p=0.026 resp. RR 1.71; p=0.029), and history of arrhythmia (supraventricular tachyarrhythmia, bradyarrhythmia) (RR 2.74; p=0.003 resp. RR 2.3; p=0.001). One-year mortality was also related to a history of diabetes mellitus (RR 1.89; p=0.006).Cardiac-cause was the most common cause of OHCA. Acute coronary syndrome was present in more than half of the cases. Availability of interventional facilities was a crucial factor in OHCA management. A history of coronary artery disease, diabetes mellitus, and arrhythmia were associated with worse survival.

Heart, lung & circulation, 26(8):799-807

PMID: 28111177

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