Abstract
Objective To compare the plaque characteristics of acute coronary syndrome (ACS) and stable angina(SA) by muhislice CT(MSCT). Methods MSCT images of 27 patients with ACS and SA were compared. Results The frequency of positive vascular remodeling was significantly different in ACS (19/31) and SA (6/41, X2 = 16. 95, P < 0. 01), the frequency of spotty calcification was significantly higher in ACS (10/34) than in SA (3/48 ,X2 =8.00, P <0. 01), the frequency of eccentric stenosis was significantly different in ACS(29/34) and SA (32/48, X2 = 3.62, P < 0. 05). The mean CT value of non-calcified plaques in ACS [(35.0 ± 15. 1) HU] was lower than in SA [(67. 5 ± 26. 5) HU(t =4. 82,P < 0. 01)]. Conclusion The MSCT characteristics of atherosclerotic plaques in ACS include positive vascular remodeling,low plaque density,spotty calcification,and eccentric stenosis. Key words: Coronary vessel; Atherosclerosis; Tomography; X-ray computed
Published Version
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