Letter regarding article by Solomon et al, "Cardiac Angiography in REnally Impaired Patients (CARE) study: a randomized double-blind trial of contrast-induced nephropathy in patients with chronic kidney disease".

MeSH Terms: Acetylcysteine, Confounding Factors, Epidemiologic, Contrast Media, Coronary Angiography, Creatinine, Double-Blind Method, Humans, Iopamidol, Kidney Diseases, Randomized Controlled Trials as Topic, Research Design, Sampling Studies, Sodium Bicarbonate, Triiodobenzoic Acids