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Our mission is to promote excellence in clinical diagnosis, research, technical development, and education in cardiovascular imaging in Europe.
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Our mission is to reduce the burden of cardiovascular disease through percutaneous cardiovascular interventions.
Improving the quality of life and reducing sudden cardiac death by limiting the impact of heart rhythm disturbances.
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The prognostic value of identifying CAD by CCTA remains undefined. Methods We examined a single-center consecutive cohort of 1,127 patients ≥ 45 years old with chest symptoms. Stenosis by CCTA was scored as minimal (<30%), mild (30% to 49%), moderate (50% to 69%), or severe (≥70%) for each coronary artery. Plaque was assessed in 3 ways: 1) moderate or obstructive plaque; 2) CCTA score modified from Duke coronary artery score; and 3) simple clinical scores grading plaque extent and distribution. A 15.3 ± 3.9-month follow-up of all-cause death was assessed using Cox proportional hazards models adjusted for pretest CAD likelihood and risk factors. Deaths were verified by the Social Security Death Index.
The CCTA predictors of death included proximal left anterior descending artery stenosis and number of vessels with ≥50% and ≥70% stenosis (all p < 0.0001).
A modified Duke CAD index, an angiographic score integrating proximal CAD, plaque extent, and left main (LM) disease, improved risk stratification (p < 0.0001).
Patients with <50% stenosis had the highest survival at 99.7%. Survival worsened with higher-risk Duke scores, ranging from 96% survival for 1 stenosis≥70% or 2 stenoses ≥50% (p = 0.013) to 85% survival for ≥50% LM artery stenosis (p < 0.0001).
Clinical scores measuring plaque burden and distribution predicted 5% to 6% higher absolute death rate (6.6% vs. 1.6% and 8.4% vs. 2.5%; p = 0.05 for both).
J Am Coll Cardiol 2007;50:1161–70
The lack of prognostic data had been considered to be an important limitation for
non-invasive MDCT Coronary angiography. Min et al could show, that non-invasive coronary angiography is useful to further classify an individuals risk. The present results reveal the prognostic value of CCTA findings and provide the first mortality data which may be used to guide clinical application of this new technology.
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