The intravascular administration of iodinated contrast agentsis part of many diagnostic and therapeutic radiologic procedures.Since these agents have no therapeutic value, it is importantthat they be safe. The contrast agents that have been in usefor many years have a high osmolality and are ionic, and theiradministration has been associated with anaphylactoid events,cardiovascular instability, and nephrotoxicity. Recently, low-osmolalitycontrast agents, ionic and nonionic, have been introduced toreduce the incidence of side effects.
Nephrotoxicity caused by contrast agents is usually identifiedclinically by an increase in the serum creatinine concentration.In many studies, the condition . . . [Full Text of this Article]
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