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Influence of iodic contrast medium on renal function in children with renal diseases
Author(s): CHEN Chaoying, CHEN Dakun, CAO Li
Pages: 205-
206,213
Year: 2002
Issue:
4
Journal: THE JOURNAL OF CLINICAL PEDIATRICS
Keyword: 儿童; 碘造影剂; 造影剂相关性肾病;
Abstract: 为探讨造影剂对儿童肾功能的不良影响,以及水化对造影剂相关性肾病(CAN)的预防作用,将需做静脉肾盂造影或增强CT的30例患儿,采用前瞻性随机对照方法,随机分为水化组(HG)和非水化组(NHG),HG于造影后立即给予1/5张含钠维持液20ml/kg,NHG不予静脉补液.结果显示,造影后HG血清肌酐(Scr)(49.9μmol/L±6.2μmol/L)低于NHG(58.0μmol/L±11.8μmol/L),P<0.05;而内生肌酐清除率(Ccr)HG(89.3ml/min±13.2ml/min)明显高于NHG(70.9ml/min±8.8ml/min),P<0.05.HG患儿的Scr、Ccr在造影前后差异无显著性;虽然NHG患儿造影前后Scr无明显变化(53.1μmol/L±8.0μmol/Lvs58.0μmol/L±11.8μmol/L,P<0.05),但Ccr造影后明显降低(95.9ml/min±14.4ml/minvs70.9ml/min±8.8ml/min,P<0.05).CAN发病率为16.7%,HG无1例发生CAN,而NHG5/15例发生CAN(33.3%).其中4例在3天后Scr及Ccr恢复至造影前水平.本研究中基础Scr>61.9μmol/L的3例患儿有2例发生CAN(66.7%).表明儿童应用碘造影剂后可出现可逆性的CAN;造影后即刻给予水化可有效地预防CAN的发生;儿童Scr>61.9μmol/L时做IVP或增强CT时,应密切观察肾功能的改变.
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