(Circulation. 1996;94:26-34.)
© 1996 American Heart Association, Inc.
Articles |
Coronary Heart Disease Risk Factors in Men and Women Aged 60 Years and Older
Findings From the Systolic Hypertension in the Elderly Program
From the Cardiovascular Research Institute, University of California, San Francisco (P.H.F.); University of Texas School of Public Health, Houston (B.R.D.); Kaiser Permanente Medical Center, Sacramento, Calif (A.J.B.); University of Hawaii School of Medicine, Honolulu (J.D.C.); University of Kentucky College of Medicine, Lexington (G.P.G.); Christ Hospital, Cincinnati, Ohio (J.L.I.); Albert Einstein College of Medicine, Bronx, NY (S.W.-S.); Robert Wood Johnson Medical School, New Brunswick, NJ (A.C.W.); and Northwestern University Medical School, Chicago, Ill (J.S.).
Correspondence to Philip H. Frost, MD, University of California, San Francisco, CA 94143-0326. E-mail phf{at}itsa.ucsf.edu
Background Coronary heart disease (CHD) is the most common cause of death in men and women aged 60 years and older. Although a number of studies support the concept that CHD risk factors that have been defined in younger adults are significantly associated with CHD events in older adults, others do not support this thesis, and further definition of the risk-factor concept in older adults is required.
Methods and Results The Systolic Hypertension in the Elderly Program recruited 4736 persons (mean age, 72 years); 14% were black, and 43% were men. Mean systolic and diastolic blood pressures were 170 and 77 mm Hg, respectively. About 13% of participants were current smokers; 10% had a history of diabetes; 5%, a prior myocardial infarction; 5%, angina pectoris; 2.3%, intermittent claudication; and 7%, a carotid bruit. Mean total cholesterol value was 6.11 mmol/L. Mean follow-up was 4.5 years. In multivariate Cox regression analyses for CHD, variables that were significant were baseline total cholesterol value, smoking, history of diabetes, presence of carotid bruit, and treatment group in the trial. Active treatment yielded a 27% reduction in CHD risk. For each 1.03 mmol/L increase in total cholesterol value, there was an increase in risk of about 20%. Current smokers had a 73% increase, diabetics a 121% increase, and those with carotid bruit a 113% increase in CHD risk.
Conclusions The results of this study support the concept that CHD risk factors are important in older men and women with isolated systolic hypertension.
Key Words: aging • coronary disease • risk factors • hypertension
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