Cryptogenic Stroke and High-Risk Patent Foramen Ovale The DEFENSE-PFO Trial
- Authors
- Lee, Pil Hyung; Song, Jae-Kwan; Kim, Jong S.; Heo, Ran; Lee, Sahmin; Kim, Dae-Hee; Song, Jong-Min; Kang, Duk-Hyun; Kwon, Sun U.; Kang, Dong-Wha; Lee, Dongwhane; Kwon, Hyuk Sung; Yun, Sung-Cheol; Sun, Byung Joo; Park, Jae-Hyeong; Lee, Jae-Hwan; Jeong, Hye Seon; Song, Hee-Jung; Kim, Jei; Park, Seung-Jung
- Issue Date
- May-2018
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- cryptogenic stroke; echocardiography; patent foramen ovale
- Citation
- JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, v.71, no.20, pp.2335 - 2342
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
- Volume
- 71
- Number
- 20
- Start Page
- 2335
- End Page
- 2342
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/16949
- DOI
- 10.1016/j.jacc.2018.02.046
- ISSN
- 0735-1097
- Abstract
- Background
The association of atherosclerotic features with first acute coronary syndromes (ACS) has not accounted for plaque burden.
Objectives
The purpose of this study was to identify atherosclerotic features associated with precursors of ACS.
Methods
We performed a nested case-control study within a cohort of 25,251 patients undergoing coronary computed tomographic angiography (CTA) with follow-up over 3.4 ± 2.1 years. Patients with ACS and nonevent patients with no prior coronary artery disease (CAD) were propensity matched 1:1 for risk factors and coronary CTA–evaluated obstructive (≥50%) CAD. Separate core laboratories performed blinded adjudication of ACS and culprit lesions and quantification of baseline coronary CTA for percent diameter stenosis (%DS), percent cross-sectional plaque burden (PB), plaque volumes (PVs) by composition (calcified, fibrous, fibrofatty, and necrotic core), and presence of high-risk plaques (HRPs).
Results
We identified 234 ACS and control pairs (age 62 years, 63% male). More than 65% of patients with ACS had nonobstructive CAD at baseline, and 52% had HRP. The %DS, cross-sectional PB, fibrofatty and necrotic core volume, and HRP increased the adjusted hazard ratio (HR) of ACS (1.010 per %DS, 95% confidence interval [CI]: 1.005 to 1.015; 1.008 per percent cross-sectional PB, 95% CI: 1.003 to 1.013; 1.002 per mm 3 fibrofatty plaque, 95% CI: 1.000 to 1.003; 1.593 per mm 3 necrotic core, 95% CI: 1.219 to 2.082; all p < 0.05). Of the 129 culprit lesion precursors identified by coronary CTA, three-fourths exhibited <50% stenosis and 31.0% exhibited HRP.
Conclusions
Although ACS increases with %DS, most precursors of ACS cases and culprit lesions are nonobstructive. Plaque evaluation, including HRP, PB, and plaque composition, identifies high-risk patients above and beyond stenosis severity and aggregate plaque burden.
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