期刊
AMERICAN JOURNAL OF CARDIOLOGY
卷 96, 期 8, 页码 1089-1094出版社
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjcard.2005.05.069
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We hypothesized that, a reduction in atherogenic malondiadehyde-modified low-density lipoprotein (MOA-LDL) levels, which may antagonize the action of athero-protective high-density lipoprotein cholesterol, leads to coronary plaque regression. This study investigated the effects of pravastatin on the serum levels of MDA-LDL and coronary atherosclerosis. In a 6-month prospective study, 75 patients with stable coronary artery disease were randomly assigned to a pravastatin-treatment group (n = 52) or a control group (n = 13). Volumetric analyses were performed in matched coronary artery segments by 3-dimensional intravascular ultrasound. Pravastatin therapy for 6 months resulted in a decrease in coronary plaque volume (14.4%, p < 0.0001) and a corresponding reduction in serum MDA-LDL levels (12.7%, p 0.0001). In the pravastatin treatment group, the percentage of change in plaque volume correlated with changes in the MDA-LDL and high-density lipoprotein cholesterol levels (r = 0.52 and -0.55, respectively, p < 0.0001) but not with the changes in any other lipid levels. Multivariate regression analysis revealed that a reduced MDA-LDL level is an independent predictor of plaque regression, as was an increase in high-density lipoprotein cholesterol. In conclusion, these results suggest that the reduction in the MDA-LDL levels induced by pravastatin may serve as A novel marker of coronary atherosclerosis regression. (c) 2005 Elsevier Inc. All rights reserved.
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