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Prevention of contrast-induced impairment of renal function by short-term or long-term statin therapy in patients undergoing elective coronary angiography.

Authors
Type
Published Article
Journal
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis
Publication Date
Volume
21
Issue
8
Pages
750–757
Identifiers
DOI: 10.1097/MBC.0b013e32834014a4
PMID: 20962623
Source
Medline

Abstract

A decline in kidney function after contrast exposure is associated with a high risk of morbidity and mortality during hospitalization and over long-term periods. Several retrospective and recent prospective clinical trials have shown that statin therapy might prevent contrast-induced nephropathy in patients undergoing percutaneous coronary intervention. In this study, we aimed to assess the effects of statin therapies on renal function parameters in patients undergoing elective coronary angiography. One hundred and sixty patients undergoing elective coronary angiography were randomized equally into two groups: atorvastatin 40 mg/day group (statin started 3 days before coronary angiography) and an untreated control group. An additional 80 patients were included as a chronic statin therapy group. Serum creatinine, serum cystatin C, and glomerular filtration rate (GFR) were measured before and 48 h after coronary angiography. Cockcroft-Gault and Modification of Diet in Renal Disease (MDRD) equations were used to determine GFR. After coronary angiography, serum creatinine and GFR determined by MDRD were significantly better in patients using atorvastatin than those in controls (P = 0.002 and P = 0.004, respectively). Postprocedure serum creatinine, cystatin C, and GFR determined by MDRD were also significantly better in chronic statin therapy group than those in controls (P = 0.006, P = 0.003, and P = 0.004, respectively). There were no differences in renal function parameters between the short-term atorvastatin group and the chronic statin therapy group. Our data demonstrate that the use of short-term atorvastatin and chronic statin therapy may have a role in protecting renal function after elective coronary angiography.

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