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We investigated the efficacy of short-term high-dose atorvastatin in decreasing the risk of contrast-induced nephropathy (CIN) in patients with chronic kidney disease (CKD) subjected to coronary angiography and/or angioplasty. CIN occurs in up to 15% of patients with pre-existing CKD and affects clinical outcome. The protective effect of statin therapy against CIN is still controversial. A prospective, single-center study of 304 patients with baseline estimated creatinine clearance <60 ml/min were randomized to receive atorvastatin 80 mg/day or placebo for 48 hours before and 48 hours after contrast medium administration. All patients received intravenous saline hydration and oral N-acetylcysteine 1,200 mg 2 times/day. Iso-osmolar contrast medium was used. CIN was defined as an absolute increase of serum creatinine ≥0.5 mg/dl within 5 days after the procedure. CIN occurred in 31 patients (10%), 16 (11%) in the …