ISSN 1671-5411 CN 11-5329/R
Volume 18 Issue 8
Aug.  2021
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Please cite this article as: LU MM, PENG P, Hatsukami TS, YUAN F, CUI YY, ZHANG LC, QIAO HY, YUAN C, CAI JM, ZHAO XH. A comparison of carotid atherosclerosis in symptomatic patients between 2002–2005 and 2012–2015 cohorts using multi-contrast magnetic resonance vessel wall imaging. J Geriatr Cardiol 2021; 18(8): 623−630. DOI: 10.11909/j.issn.1671-5411.2021.08.006
Citation: Please cite this article as: LU MM, PENG P, Hatsukami TS, YUAN F, CUI YY, ZHANG LC, QIAO HY, YUAN C, CAI JM, ZHAO XH. A comparison of carotid atherosclerosis in symptomatic patients between 2002–2005 and 2012–2015 cohorts using multi-contrast magnetic resonance vessel wall imaging. J Geriatr Cardiol 2021; 18(8): 623−630. DOI: 10.11909/j.issn.1671-5411.2021.08.006

A comparison of carotid atherosclerosis in symptomatic patients between 2002–2005 and 2012–2015 cohorts using multi-contrast magnetic resonance vessel wall imaging

doi: 10.11909/j.issn.1671-5411.2021.08.006
*The authors contributed equally to this manuscript
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  •  OBJECTIVE To compare the morphological and compositional characteristics of carotid plaques in two cohorts (2002−2005 and 2012−2015) of Chinese patients using magnetic resonance vessel wall imaging. METHODS Symptomatic patients with carotid atherosclerotic plaques who underwent carotid vessel wall magnetic resonance imaging between 2002−2005 and 2012−2015 were retrospectively recruited. Plaque morphology [including mean wall area, wall thickness, and maximum normalized wall index (NWI)] and composition [including calcification, intraplaque hemorrhage, and lipid-rich necrotic core (LRNC)] in symptomatic carotid arteries were evaluated and compared between patients in these two time periods. RESULTS A total of 258 patients, including 129 patients in the 2002−2005 cohort and 129 patients in the 2012−2015 cohort, were recruited. Statin use (49.6% vs. 32.6%, P = 0.004) and hypertension (76.0% vs. 62.8%, P = 0.015) were significantly more common in the 2012–2015 cohort than in the 2002−2005 cohort. Patients in the 2012−2015 cohort also exhibited significantly low plaque burden parameters (all P < 0.05), as well as a lower prevalence (68.2% vs. 89.9%, P < 0.001) and volume percentages of LRNC (11.2% ± 14.2% vs. 25.7% ± 17.7%, P < 0.001). These differences remained significant after adjustment for clinical factors. The differences in the volume percentages of LRNC also remained significant after an additional adjustment for maximum NWI (P < 0.001). CONCLUSIONS Patients in the 2012−2015 cohort had a lower plaque burden and volume percentages of LRNC in symptomatic carotid arteries than those in the 2002−2005 cohort. These findings indicate that carotid plaques in the recent cohort had a lower severity and vulnerability.
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