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Risk of nephropathy after intravenous administration of contrast material: a critical literature analysis Rao QA; Newhouse JHRadiology 2006[May]; 239 (2): 392-7PURPOSE: To assess the risk of nephropathy after administration of contrast material by reviewing the published literature on intravenous contrast material administration and by separating reports with appropriate control measures from those without such measures. MATERIALS AND METHODS: The MEDLINE database was searched for articles published from October 1966 to September 2004 that contained the phrases "contrast," "contrast medium," "contrast media," or "radiocontrast" and any of the words or phrases "nephrotoxicity," "nephropathy," kidney failure," or "renal failure." The identified publications were reviewed and limited to original clinical series. Studies were categorized according to the route of contrast material administration. Those in which an identifiable group of patients received contrast material intravenously were further evaluated to determine which studies compared results with those from a control group of patients who did not receive contrast material. RESULTS: Only 40 (1.3%) of 3081 publications had patients who received contrast material intravenously. Of these, only two publications had control groups of patients who received no contrast material. The incidence of postcontrast nephropathy in these two series was not substantially different from that in the control groups. CONCLUSION: Properly controlled clinical studies of intravenously administered radiographic contrast media fail to demonstrate renal damage.|Contrast Media/*administration & dosage/*adverse effects[MESH]|Humans[MESH]|Injections, Intravenous[MESH]|Kidney Diseases/*chemically induced[MESH]|Risk Factors[MESH] |
