Using nontraditional risk factors in coronary heart disease risk assessment: U.S. Preventive Services Task Force...

Area of Science:

• Cardiology
• Preventive Medicine
• Risk Assessment

Background:

• The U.S. Preventive Services Task Force (USPSTF) evaluated novel risk factors for coronary heart disease (CHD) in asymptomatic individuals.
• Traditional risk assessment for CHD often relies on factors like the Framingham score.

Purpose of the Study:

• To assess the utility of nine nontraditional CHD risk factors in refining risk stratification for asymptomatic individuals.
• To determine if these novel markers can effectively reclassify intermediate-risk individuals to high- or low-risk strata for targeted interventions.

Main Methods:

• Conducted systematic literature reviews of studies published since 1996 on nine proposed nontraditional CHD risk markers.
• Included high-sensitivity C-reactive protein, ankle-brachial index, leukocyte count, fasting blood glucose, periodontal disease, carotid intima-media thickness, coronary artery calcification, homocysteine, and lipoprotein(a).
• Employed a hierarchical approach to evaluate the practical and definitive reassignment capabilities of these markers.

Main Results:

• Evidence was reviewed for nine nontraditional markers: hs-CRP, ABI, WBC, glucose, periodontal disease, CIMT, CAC, homocysteine, Lp(a).
• The goal was to see if these markers could effectively reclassify individuals from intermediate to high or low CHD risk.
• The hierarchical approach aimed to identify markers with practical and definitive reassignment capabilities.

Conclusions:

• The USPSTF concluded that current evidence is insufficient to assess the benefits and harms of using these novel risk factors for screening.
• This applies to asymptomatic men and women with no prior history of CHD.
• Further research is required to establish the role of these markers in preventing CHD events.