© 2004 European Society of Cardiology
The prognosis of impaired left ventricular systolic function and heart failure in a middle-aged and elderly population in an urban population segment of Copenhagen
a Department of Cardiology and Endocrinology, H:S Frederiksberg Hospital, University of Copenhagen Ndr. Fasanvej 57-59, DK-2000 Frederiksberg, Denmark
b Department of Clinical Physiology and Nuclear Medicine, H:S Frederiksberg Hospital University of Copenhagen, Denmark
c Private practice, Frederiksberg Denmark
* Corresponding author. Present address: University Hospital of Copenhagen Rigshospitalet, Department of Cardiology, Blegdamsvej 9, DK-2100 Ø Copenhagen, Denmark Tel.: +45-38164350; Fax: +45-38164359. E-mail address: ilan.raymond{at}dadlnet.dk
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Abstract |
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Aims: To determine the prognosis, total mortality and cardiac morbidity, of patients with left ventricular systolic dysfunction and heart failure (HF) in a general population sample.
Methods and results: A total of 764 subjects, 432 females and 332 males, median age (range) 66 years (50–89), participated in this cross sectional survey. The study population was recruited from randomly selected general practitioners and stratified to include a minimum of 150 persons in each age decade stratum. Each participant filled in a heart failure questionnaire and ECG, blood tests and echocardiography were performed. Median (range) follow-up was 1145 (51–1197) days. Subjects with LVEF
0.40 had a significantly higher all-cause mortality (27.8% vs. 5.6%, P<0.0001), admission rate for HF (25.0% vs. 1.9%, P<0.0001) and for other cardiac causes (25.0% vs. 6.3%, P<0.0001) than in subjects with LVEF>0.40. The age and gender adjusted 2-year relative risk of death was 4.6 (95% C.I.=1.6–13.2). No significant difference in mortality was found between subjects with or without heart failure symptoms.
Conclusion: Significantly higher mortality as well as cardiac morbidity was found in subjects with symptomatic and asymptomatic LV systolic dysfunction compared to those with normal systolic function. These conditions were among the strongest predictors of all-cause mortality and cardiac morbidity.
Key Words: Epidemiology • Prognosis • Systolic function • Heart failure • Echocardiography • Human
Received June 11, 2003; Revised September 19, 2003; Accepted November 19, 2003
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