Abstract

Objective To explore the correlation between carotid atherosclerosis and coronary artery atherosclerosis, and their relationship with macrophage colony stimulatory factor (M-SCF), C-reactive protein(CRP) and plaque stability.Methods A total of 400 patients having underwent a selective coronary angiography were divided into no coronary heart disease (NCHD) group (93 cases), acute coronary artery syndrome(ACS) group (202 cases) and stable angina pectoris(SAP) group ( 105 cases).Based on coronary angiography plaque morphology, the patch was typed as Ⅰ, Ⅱ and Ⅲ and based on ultrasound for the carotid artery, plaque was typed as stable and unstable plaques.The plaque type, the levels of peripheral blood M-SCF, CRP was compared among ACS group,SAP group and NCHD group.Results Coronary artery atherosclerosis was mainly type Ⅱ in ACS group[78.7%(159/202)], and carotid atherosclerosis was mainly unstable[69.3%(140/202)].Coronary artery atherosclerosis of type Ⅰ , Ⅱ , Ⅲ was 40.0%(42/105), 30.5% (32/105) and 29.5%(31/105) in SAP group,and carotid atherosclerosis was mainly stable.The levels of peripheral blood M-SCF, CRP in ACS group were higher than those in SAP group and NCHD group (P＜ 0.05 ) ,and there was no significant difference between SAP group and NCHD group (P＞ 0.05 ).The levels of peripheral blood M-SCF, CRP in coronary artery atherosclerosis with type Ⅱ were higher than those with type Ⅰ , Ⅲ (p＜ 0.05).The levels of peripheral blood M-SCF, CRP in carotid atherosclerosis with unstable plaque were higher than those with stable (P ＜ 0.05 ).Conclusion Coronary arteriosclerosis is closely related with carotid arteriosclerosis.The levels of M-SCF and CRP are related to plaque structural characteristics and plaque stability. Key words: Macrophage colony-stimulating factor; C-reactive protein; Coronary artery plaques; Carotid plaques

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