Abstract:
BACKGROUND:Diabetes mellitus (DM) is a major risk factor for cardiovascular events. We aimed to investigate the coronary plaque phenotype of diabetic patients who presented with acute coronary syndromes by optical coherence tomography. METHODS AND RESULTS:A total of 322 patients with acute coronary syndromes who underwent preintervention optical coherence tomography imaging of the culprit lesion were included. Culprit plaque characteristics were compared between patients with DM (n=95) and those without DM (n=227). In the subgroup of 250 patients in whom sufficient length of nonculprit region in the culprit vessel was imaged by optical coherence tomography, the characteristics of nonculprit plaques were also evaluated. Patients with DM had a higher prevalence of lipid-rich plaque (58.9% versus 44.9%, P=0.030) and macrophage accumulation (60.0% versus 44.9%, P=0.019) in the culprit lesion compared with patients without DM. The prevalence of plaque rupture (33.7% versus 30.4%, P=0.896) and plaque erosion (21.1% versus 22.0%, P=0.458) was similar. In the nonculprit lesions, the DM group had greater maximal lipid arc (248.9°±83.9° versus 179.9°±58.3°, P=0.006), thinner fibrous cap thickness (103.3±56.2 μm versus 140.7±70.0 μm, P=0.013), and a higher prevalence of thin-cap fibroatheroma (17.2% versus 6.3%, P=0.031), compared with the non-DM group. CONCLUSIONS:Compared with patients without DM, those with DM had more vulnerable features in both culprit and nonculprit lesions, thus indicating a higher level of panvascular instability. CLINICAL TRIAL REGISTRATION:URL: http://www.clinicaltrials.gov. Unique identifier: NCT01110538.
journal_name
J Am Heart Assocjournal_title
Journal of the American Heart Associationauthors
Sugiyama T,Yamamoto E,Bryniarski K,Xing L,Fracassi F,Lee H,Jang IKdoi
10.1161/JAHA.118.009245subject
Has Abstractpub_date
2018-07-13 00:00:00issue
14issn
2047-9980pii
JAHA.118.009245journal_volume
7pub_type
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更新日期:2018-12-04 00:00:00
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更新日期:2020-12-15 00:00:00
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更新日期:2020-02-04 00:00:00
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更新日期:2019-01-22 00:00:00
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