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Circulation. 2004 Aug 31;110(9):1061-8. Epub 2004 Aug 23.

Early statin treatment in patients with acute coronary syndrome: demonstration of the beneficial effect on atherosclerotic lesions by serial volumetric intravascular ultrasound analysis during half a year after coronary event: the ESTABLISH Study.

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  • 1Department of Cardiology, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku Tokyo 113-8421 Japan. shinya@med.juntendo.ac.jp

Abstract

BACKGROUND:

Recent clinical trials have demonstrated that aggressive lipid lowering by statins could prevent recurrent events after acute coronary syndrome (ACS). We hypothesized that this efficacy was caused by a significant reduction in plaque volume by aggressive LDL cholesterol (LCL-C) lowering. The present study investigated the effect of early statin treatment on plaque volume of a nonculprit lesion by serial volumetric intravascular ultrasound in patients with ACS.

METHODS AND RESULTS:

Seventy patients with ACS were enrolled. All patients underwent emergency coronary angiography and percutaneous coronary intervention (PCI). They were randomized to intensive lipid-lowering therapy (n=35; atorvastatin 20 mg/d) or control (n=35) groups after PCI. Volumetric intravascular ultrasound analyses were performed at baseline and 6-month follow-up for a non-PCI site in 48 patients (atorvastatin, n=24; control, n=24). LDL-C level was significantly decreased by 41.7% in the atorvastatin group compared with the control group, in which LDL-C was increased by 0.7% (P<0.0001). Plaque volume was significantly reduced in the atorvastatin group (13.1+/-12.8% decrease) compared with the control group (8.7+/-14.9% increase; P<0.0001). Percent change in plaque volume showed a significant positive correlation with follow-up LDL-C level (R=0.456, P=0.0011) and percent LDL-C reduction (R=0.612, P<0.0001), even in patients with baseline LDL-C <125 mg/dL.

CONCLUSIONS:

Early aggressive lipid-lowering therapy by atorvastatin for 6 months significantly reduced the plaque volume in patients with ACS. Percent change in plaque volume showed a significant positive correlation with percent LDL-C reduction, even in patients with low baseline LDL-C.

PMID:
15326073
[PubMed - indexed for MEDLINE]
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