Abstract
The authors wanted to investigate whether the heart failure survival score (HFSS) is useful for sudden cardiac arrest (SCA) risk stratification and whether there is a difference with regard to congestive heart failure (CHF) etiology. Data of 712 severe CHF patients (New York Heart Association III/IV 58%/42%, mean age 62+/-8 years, mean left ventricular ejection fraction 26%+/-11%) during the period from 1993-2003 were analyzed. The HFSS was calculated using the Aaronson formula. SCA-free survival was calculated using Kaplan-Meier analysis according to the etiology of CHF: coronary artery disease (CAD) (n=317) vs no CAD (n=395). In regard to SCA risk, the authors found no significant overall difference between patients with or without CAD. Non-CAD HFSS high-risk patients had a significantly higher risk for SCA than all the other groups ( P<.001). The HFSS is useful for the detection of a subgroup of non-CAD severe CHF patients at very high risk for SCA.
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