随着医疗技术的进步,新的放射诊断和介入治疗技术应用越来越广泛,各种造影剂被不断使用,虽然造影剂不断改良,由离子型到非离子型,由高渗型到等渗型或低渗型,但因造影剂导致的肾功能损害发生率却不断增加,已上升到医源性肾损害的第三位。因此,如何预防造影剂肾病是当前肾脏科、 With advances in medical technology, new radiation diagnostic and interventional techniques are used more and more widely, and various contrast media are used continuously. Although contrast media are continuously improved, from ionic to nonionic, from hypertonic to isotonic Type or hypotonic type, but the incidence of renal damage due to contrast agents has been increasing, has risen to the third of iatrogenic renal damage. Therefore, how to prevent contrast nephropathy is the current Department of Nephrology,