Prognostic value of coronary CT angiography on long-term follow-up of 6.9 years

被引:26
作者
Dougoud, Svetlana [1 ]
Fuchs, Tobias A. [1 ]
Stehli, Julia [1 ]
Clerc, Olivier F. [1 ]
Buechel, Ronny R. [1 ]
Herzog, Bernhard A. [1 ]
Leschka, Sebastian [2 ,3 ]
Alkadhi, Hatem [2 ]
Kaufmann, Philipp A. [1 ,4 ]
Gaemperli, Oliver [1 ]
机构
[1] Univ Zurich Hosp, CH-8091 Zurich, Switzerland
[2] Univ Zurich Hosp, Inst Diagnost & Intervent Radiol, CH-8091 Zurich, Switzerland
[3] Kantonsspital, Inst Radiol, St Gallen, Switzerland
[4] Univ Zurich, Zurich Ctr Integrat Human Physiol ZIHP, Zurich, Switzerland
基金
瑞士国家科学基金会;
关键词
CT coronary angiography; Prognosis; Long-term follow up; COMPUTED TOMOGRAPHIC ANGIOGRAPHY; QUANTIFICATION; PREDICTION;
D O I
10.1007/s10554-014-0420-1
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Long term follow-up of coronary CT angiography (CCTA) is scarce. The aim of the present study was to assess the prognostic value of CCTA over a follow-up period of more than 6 years. 218 Patients were included undergoing 64-slice CCTA. Images were analysed with regard to the presence of nonobstructive (< 50 %) or obstructive (50 % stenosis) coronary artery disease (CAD). Major adverse cardiovascular events (MACE) were defined as death, nonfatal myocardial infarction or urgent coronary revascularization. CCTA revealed normal coronaries in 49, nonobstructive lesions in 94, and obstructive CAD in 75 patients. During a median follow-up period of 6.9 years, MACE occurred in 45 patients (21 %). Annual MACE rates were 0.3, 2.7, and 6.0 % (p = 0.001), for patients with normal CCTA, nonobstructive, and obstructive CAD, respectively. Multivariate Cox regression analysis identified the number of segments with plaques [hazard ratio (HR) 1.18, p = 0.002] as well as the presence of obstructive lesions (HR 2.28, p = 0.036) as independent predictors of MACE. The present study extends the predictive value of CCTA over more than 6 years. Patients with normal coronary arteries of CCTA continue to have an excellent cardiac prognosis, while outcome is progressively worse in patients with nonobstructive and obstructive CAD.
引用
收藏
页码:969 / 976
页数:8
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