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Circulating Microparticles and Coronary Plaque Components Assessed by Virtual Histology Intravascular Ultrasound of the Target Lesion in Patients with Stable Angina

Authors
 Pil-Ki Min  ;  Minhee Cho  ;  Sung-Yu Hong  ;  Jong-Youn Kim  ;  Eui-Young Choi  ;  Young-Won Yoon  ;  Byoung Kwon Lee  ;  Bum-Kee Hong  ;  Se-Joong Rim  ;  Hyuck Moon Kwon 
Citation
 PLoS One, Vol.11(1) : e0148128, 2016 
Journal Title
 PLoS One 
Issue Date
2016
MeSH
Aged ; Angina, Stable/diagnostic imaging ; Angina, Stable/pathology* ; Angioplasty, Balloon, Coronary ; Antibodies, Monoclonal/immunology ; Biomarkers/blood ; Cell-Derived Microparticles/immunology ; Cell-Derived Microparticles/pathology ; Coronary Angiography ; Coronary Artery Bypass ; Coronary Artery Disease/diagnostic imaging ; Coronary Artery Disease/therapy ; Coronary Vessels/diagnostic imaging ; Demography ; Female ; Humans ; Male ; Middle Aged ; Percutaneous Coronary Intervention ; Plaque, Atherosclerotic/diagnostic imaging ; Plaque, Atherosclerotic/pathology ; Stents ; Ultrasonography, Interventional*
Abstract
High levels of microparticles (MPs) circulate in the blood of patients with atherosclerotic diseases where they can serve as potential biomarkers of vascular injury and cardiovascular outcome. We used virtual histology intravascular ultrasound (VH-IVUS) to evaluate the relationship between the levels of circulating MPs and the coronary plaque composition in patients with stable angina. We included 35 patients with stable angina (22 men, age 64 ± 9 years) and a de novo target lesion. Preintervention gray-scale and VH-IVUS analysis was performed across the target lesion. Volumetric analysis was performed over a 10-mm-long segment centered at the minimum luminal site. Blood samples were obtained from the femoral artery before coronary angioplasty. MPs were measured using a solid-phase capture assay from a commercial kit. We divided participants into either a low MPs group or high MPs group based on the median value of MPs. There was no significant difference in baseline characteristics between the groups. The plaque burden and remodeling index were similar between the groups. The presence of VH-IVUS-derived thin-cap fibroatheroma was not different between the groups. The percentage of the necrotic core (NC) was significantly higher in the high MPs group than in the low MPs group, both in planar (17.0 ± 8.8% vs. 24.1 ± 6.9%, p = 0.012) and volumetric analyses (17.0 ± 4.8% vs. 22.1 ± 4.3%, p = 0.002). Circulating MPs were positively correlated with the percentage of the NC area at the minimal luminal site (r = 0.491, p = 0.003) and the percentage of the NC volume (r = 0.496, p = 0.002). Elevated levels of circulating MPs were associated with the amount of NC in the target lesion in those with stable angina, suggesting a potential role of circulating MPs as a biomarker for detecting unstable plaque in patients with stable angina.
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DOI
10.1371/journal.pone.0148128
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
권혁문(Kwon, Hyuck Moon) ORCID logo https://orcid.org/0000-0001-9901-5015
김종윤(Kim, Jong Youn) ORCID logo https://orcid.org/0000-0001-7040-8771
민필기(Min, Pil Ki) ORCID logo https://orcid.org/0000-0001-7033-7651
윤영원(Yoon, Young Won) ORCID logo https://orcid.org/0000-0002-0907-0350
이병권(Lee, Byoung Kwon) ORCID logo https://orcid.org/0000-0001-9259-2776
임세중(Rim, Se Joong) ORCID logo https://orcid.org/0000-0002-7631-5581
최의영(Choi, Eui Young) ORCID logo https://orcid.org/0000-0003-3732-0190
홍범기(Hong, Bum Kee) ORCID logo https://orcid.org/0000-0002-6456-0184
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/146301
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