期刊
ATHEROSCLEROSIS
卷 239, 期 2, 页码 335-342出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2015.01.036
关键词
Statin; Coronary computed tomography angiography; Atherosclerosis; Coronary artery disease
资金
- Korean Health Technology RAMP
- D Project, Ministry for Health, Welfare AMP
- Family Affairs, Republic of Korea [A102169]
- Korea Health Promotion Institute [A102169] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Objective: Non-obstructive coronary artery disease (CAD) is a frequent clinical condition and is associated with an increase in cardiovascular events. However, appropriate medical therapy for this population is not known. We investigated the association between statin use and risk of all-cause mortality and coronary revascularization in patients with non-obstructive CAD. Methods: From 2007 to 2011, we identified 8372 consecutive patients with non-obstructive CAD (1-49% stenosis) documented by coronary computed tomography angiography (CCTA) from 3 medical centers. Patients with statins or aspirin use before CCTA, and a history of revascularization before initial CCTA were excluded. All-cause mortality and a composite of mortality and late coronary revascularization (>90 days after CCTA) were analyzed according to the use of statins. Results: Mean age of the study population was 61.4 +/- 10.9 years and 70.3% were male. Statins were prescribed to 1983 (23.7%) patients. During 828 days of follow-up (IQR 385-1342), 221 (2.6%) cases of all-cause mortality and 295 (3.5%) cases of the composite endpoint were observed. Statin therapy was associated with lower risks of all-cause mortality (adjusted HR 0.397; 95% CI 0.262-0.602; p < 0.0001) and composite endpoint (adjusted HR 0.430; 95% CI 0.310-0.597; p < 0.0001). Association between statin therapy and better clinical outcomes was regardless of age, sex, presence of hypertension or diabetes, coronary artery calcium score, low-density lipoprotein cholesterol levels, high-sensitivity C-reactive protein levels, or glomerular filtration rate. Conclusions: Statin therapy was associated with a lower risk of all-cause mortality in patients with non-obstructive CAD documented by CCTA, regardless of combined clinical risk factors. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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