期刊
EUROPEAN RADIOLOGY
卷 21, 期 8, 页码 1577-1585出版社
SPRINGER
DOI: 10.1007/s00330-011-2112-8
关键词
Coronary artery calcification; Computed tomography; Cardiovascular disease; Stroke; Prevention
资金
- Netherlands Organization for Scientific Research-Medical Sciences (NWO-MW) [40-00812-98-07-005]
An increase in the number of CT investigations will likely result in a an increase in unrequested information. Clinical relevance of these findings is unknown. This is the first follow-up study to investigate the prognostic relevance of subclinical coronary (CAC) and aortic calcification (TAC) as contained in routine diagnostic chest CT in a clinical care population. The follow-up of 10,410 subjects (> 40 years) from a multicentre, clinical care-based cohort of patients included 240 fatal to 275 non-fatal cardiovascular disease (CVD) events (mean follow-up 17.8 months). Patients with a history of CVD were excluded. Coronary (0-12) and aortic calcification (0-8) were semi-quantitatively scored. We used Cox proportional-hazard models to compute hazard ratios to predict CVD events. CAC and TAC were significantly and independently predictive of CVD events. Compared with subjects with no calcium, the adjusted risk of a CVD event was 3.7 times higher (95% CI, 2.7-5.2) among patients with severe coronary calcification (CAC score a parts per thousand yen6) and 2.7 times higher (95% CI, 2.0-3.7) among patients with severe aortic calcification (TAC score a parts per thousand yen5). Subclinical vascular calcification on CT is a strong predictor of incident CVD events in a routine clinical care population.
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