4.6 Article

Negative Risk Markers for Cardiovascular Risk Evaluation in Chinese Adults

Journal

FRONTIERS IN CARDIOVASCULAR MEDICINE
Volume 9, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fcvm.2022.800671

Keywords

cardiovascular disease; negative risk marker; lipoprotein(a); electrocardiogram; carotid intima-media thickness

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The study found that negative risk markers such as lipoprotein(a), normal ECG, and carotid intima-media thickness can downgrade predicted ASCVD risk beyond traditional risk factors, especially in high-risk participants.
BackgroundThe atherosclerotic cardiovascular disease (ASCVD) risk predicted by traditional risk factors is used to guide preventive treatment. We aimed to investigate whether preferable levels of non-traditional emerging risk factors (i.e., negative risk markers) could downgrade the predicted ASCVD risk beyond traditional risk factors. MethodsA total of 7,568 Chinese adults aged >= 40 years were followed up during 2010-2015. Negative risk markers including non-traditional lipids, urinary albumin-to-creatinine ratio, electrocardiogram (ECG), and measurements of atherosclerosis were evaluated using diagnostic likelihood ratio (DLR) and continuous net reclassification index (NRI) for their ability to downshift predicted CVD risk in the overall study population and in participants with intermediate (traditional risk factor predicted ASCVD risk 7.5% to 19.9%) or high risk (>= 20%). ResultsDuring a median follow-up of 4.5 years, 416 participants developed CVD events including non-fatal myocardial infarction, non-fatal stroke, and cardiovascular death. Among negative risk markers examined, lipoprotein(a) <= 10th percentile (5 mg/dL), normal ECG, and carotid intima-media thickness (CIMT) <= 25th percentile (0.5 mm) provided moderate CVD risk reclassification and downward changes in pre- to post-test risk on top of the traditional CVD risk factors, especially in high-risk participants. The DLRs were 0.41, 0.75, and 0.41, and the NRIs were 18, 22, and 14% for lipoprotein(a), ECG, and CIMT, respectively in high-risk participants. ConclusionsLipoprotein(a) <= 5 mg/dL, normal ECG, and CIMT <= 0.5 mm might be used as negative non-traditional risk markers to correctly downgrade predicted ASCVD risk in Chinese adults.

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