Journal
AMERICAN JOURNAL OF CARDIOLOGY
Volume 110, Issue 11, Pages 1663-1666Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjcard.2012.07.034
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The Seattle Heart Failure Model (SHFM) is 1 of the most widely used tools to predict survival in patients with heart failure. However, it does not accommodate very elderly patients. We decided to assess the applicability of the SHFM in patients >80 years old enrolled in a tertiary care heart failure clinic. We evaluated the difference between observed survival and mean life expectancy as predicted by the SHFM on 261 patients >80 years old enrolled in a heart failure clinic at the Jewish General Hospital, Montreal, Quebec, Canada from January 2002 through March 2010. Average age of the patient population was 85 4 years (range 80 to 105). Sixty-two percent of the population consisted of men, 63% had ischemic cardiomyopathy (ICM), and average ejection fraction was 36 +/- 18%. Median observed survival was 1.91 years (interquartile range 0.68 to 5.53) for the total population (n = 261). The SHFM (predicted median survival 6.7 years, interquartile range 3.8 to 11.2) overestimated life expectancy by an average of 4.79 years. For patients with ICM (n = 164) versus non-ICM (n = 97), the score overestimated survival by 4.29 versus 5.69 years, respectively. In conclusion, the SHFM overestimates life expectancy in elderly patients followed in a tertiary care heart failure clinic. Further studies are needed to more accurately estimate prognosis in this patient population. 2012 Elsevier Inc. All rights reserved. (Am J Cardiol 2012;110:1663-1666)
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