PMID: 9523544Apr 2, 1998Paper

Suppressive effect of simvastatin on intramural small coronary arterial lesions in cholesterol-fed rabbits

Angiology
H KatoK Ohmori

Abstract

The aim of this study was to examine the suppressive effect of simvastatin on intramural coronary arterial lesions in cholesterol-fed rabbits. In one experiment, six groups of rabbits were fed laboratory chow alone or with added 0.1%, 0.2%, 0.3%, 0.5% or 1.0% cholesterol for 16 weeks. In another experiment, four groups of rabbits were fed a 0.5% cholesterol diet and treated with simvastatin at 1, 3, or 5 mg/kg/day or placebo. In each rabbit, the levels of serum total cholesterol (TC) were determined at 1-week intervals to calculate the integrated values. The lesion induction ratio was defined as the ratio of intramural coronary arteries 50-150 microm in diameter with arterial lipoidosis to the total number of arteries of the same diameter. In the two experiments, there were positive correlations between the lesion induction ratio and integrated TC (r=0.785, P<0.0001 and r=0.763, P<0.0001, respectively). The slopes of the regression lines for integrated TC obtained in the two experiments were similar, but the lesion induction ratio in the simvastatin-treated group was always lower, by about 14%, in comparison with that in the non-simvastatin-treated group. These findings suggest that simvastatin induces lesion reduction not only...Continue Reading

References

Oct 1, 1979·Proceedings of the National Academy of Sciences of the United States of America·V Quesney-HuneeusM D Siperstein
Jan 1, 1991·Arteriosclerosis and Thrombosis : a Journal of Vascular Biology·H J KempenL M Havekes
Jul 1, 1990·Arteriosclerosis : an Official Journal of the American Heart Association, Inc·U Goldbourt, S Yaari
Apr 8, 1989·BMJ : British Medical Journal·C G IslesA F Lever

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