AHA/ACC Scientific Statement:Assessment of Cardiovascular Risk by Use of Multiple-Risk-Factor Assessment Equations

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GRUNDY ET AL., Assessment of Cardiovascular Risk
J Am Coll Cardiol 1999;34:1348--59

AHA/ACC Scientific Statement: Assessment of Cardiovascular Risk by Use of Multiple-Risk-Factor Assessment Equations

A Statement for Healthcare Professionals From the American Heart Association and the American College of Cardiology

XII. Absolute Risk Assessment in Elderly Patients

One of the more prominent features of the Framingham risk scoring is the progressive increase in absolute risk with advancing age (Figures 1 and 2). This increase undoubtedly reflects the cumulative nature of atherogenesis. With advancing age, people typically accumulate increasing amounts of coronary atherosclerosis. This increased plaque burden itself becomes a risk factor for future coronary events.^38–40 Framingham scoring for age reflects this impact of plaque burden on risk. Still, average scores mask the extent of variability in plaque burden in the general population. To apply average risk scores for age to individual patients may lead to miscalculation of true risk, particularly because Framingham applies so much weight to age as a risk factor. Miscalculation of risk could lead to inappropriate selection of patients for aggressive risk-reduction therapies. This fact points to the need for flexibility in adapting treatment guidelines to older persons. The tempering of treatment recommendations with clinical judgment becomes increasingly important with advancing age, particularly after the age of 65. In the future, measures of subclinical atherosclerosis may improve the accuracy of global risk assessment in older patients. When risk scoring is used to adjust the intensity of risk factor management in elderly patients, relative risk estimates may be more useful than absolute risk estimates. Relative risk estimates essentially eliminate the age factor and are based entirely on the major risk factors. These estimates allow the physician to stratify and compare patients of the same age, and patients at highest relative risk could be selected for the most aggressive risk management.

American College of Cardiology

Helping Cardiovascular Professionals Learn. Advance. Heal.

GRUNDY ET AL., Assessment of Cardiovascular Risk J Am Coll Cardiol 1999;34:1348--59