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  • Title: Effects of simvastatin on high-sensitivity C-reactive protein and serum albumin in hemodialysis patients.
    Author: Chang JW, Yang WS, Min WK, Lee SK, Park JS, Kim SB.
    Journal: Am J Kidney Dis; 2002 Jun; 39(6):1213-7. PubMed ID: 12046033.
    Abstract:
    A 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor is recommended in hemodialysis (HD) patients with hypercholesterolemia to improve their lipid profiles. We evaluated effects of simvastatin on markers for inflammation, oxidative stress, and coagulation in HD patients. Sixty-two maintenance HD patients with serum cholesterol levels of 200 mg/dL or greater were randomly assigned to the treatment group (n = 31; 8 men, 23 women; age, 63 +/- 11 years) and administered simvastatin, 20 mg/d, for 8 weeks or to the control group (n = 31; 10 men, 21 women; age, 60 +/- 12 years). We measured cholesterol, albumin, high-sensitivity C-reactive protein (hs-CRP), malondialdehyde (MDA; an index of lipid peroxidation), and D-dimer (a marker of intravascular coagulation) in blood at baseline and again at 8 weeks. Fifty-eight of 62 patients completed the study. In the control group, total cholesterol, serum albumin, hs-CRP, MDA, and D-dimer levels did not change. In the treatment group, simvastatin administration for 8 weeks significantly reduced total cholesterol levels from 232 +/- 25 to 165 +/- 39 mg/dL (P < 0.001) and hs-CRP levels from a median of 0.23 mg/dL (range, 0.05 to 1.63 mg/dL) to 0.12 mg/dL (range, <0.006 to 1.45 mg/dL; P < 0.01), whereas it increased serum albumin levels from 3.4 +/- 0.3 to 3.6 +/- 0.4 g/dL (P < 0.001). Administration of simvastatin did not affect MDA and D-dimer levels. These results suggest that in addition to the lipid-lowering effect, simvastatin had an antiinflammatory effect in HD patients. Considering that atherosclerosis is inflammation of the vascular wall, simvastatin may have a beneficial effect on cardiovascular disease, in part because it alleviates inflammation.
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