Journal
EUROPEAN HEART JOURNAL
Volume 29, Issue 18, Pages 2244-2251Publisher
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehn279
Keywords
coronary calcification; type 2 diabetes; coronary events; stroke
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Funding
- Tompkins Foundation
- British Heart Foundation [PG/03/112/16033]
- North West London Diabetes Local Research Network
- Heart Disease and Diabetes Research Trust
- British Heart Foundation [RG/08/008/25291] Funding Source: researchfish
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Aims The PREDICT Study is a prospective cohort study designed to evaluate coronary artery calcification score (CACS) as a predictor of cardiovascular events in type 2 diabetes (T2DM). Methods and results A total of 589 patients with no history of cardiovascular disease and with established T2DM had CACS measured, as well as risk factors, including plasma lipoprotein, apolipoprotein, homocysteine and C-reactive protein concentrations, homeostasis model assessment insulin resistance (HOMA-IR), and urine albumin creatinine ratio. Participants were followed for a median of 4 years and first coronary heart disease (CHD) and stroke events were identified as primary endpoints. There were 66 first cardiovascular events (including 10 strokes). CACS was a highly significant, independent predictor of events (P < 0.001), with a doubling in CACS being associated with a 32% increase in risk of events (29% after adjustment). Hazard ratios relative to CACS in the range 0-10 Agatston units (AU) were: CACS 11-100 AU, 5.4 (P = 0.02); 101-400 AU 10.5 (P = 0.001); 401-1000 AU, 11.9 (P = 0.001), and > 1000 AU, 19.8 (P < 0.001). Only HOMA-IR predicted primary endpoints independently of CACS (P = 0.01). The areas under the receiver operator characteristic curve for United Kingdom Prospective Diabetes Study (UKPDS) risk engine primary endpoint risk and for UKPDS risk plus CACS were 0.63 and 0.73, respectively (P = 0.03). Conclusion Measurement of CACS is a powerful predictor of cardiovascular events in asymptomatic patients with T2DM and can further enhance prediction provided by established risk models.
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