JAMA Pediatr:小儿心脏手术后的急性肾损伤并不影响长期肾脏预后

2016-11-13 MedSci MedSci原创

小儿心脏手术后的急性肾损伤(AKI)与短期高发病率和死亡率相关;然而,长期肾脏预后尚不清楚。来自美国的研究人员开展了一项研究,该研究的目的是评估小儿心脏手术后的长期肾脏结果,并确定围手术期AKI是否与更差的长期肾结果相关。这项前瞻性多中心队列研究招募了1个月至18岁的儿童,这些儿童来自3个北美儿科中心,在2007年7月至2009年12月期间接受了心肺转流术和住院治疗。并且这些儿童在手术后5年接受了

小儿心脏手术后的急性肾损伤(AKI)与短期高发病率和死亡率相关;然而,肾脏长期预后尚不清楚。

来自美国的研究人员开展了一项研究,该研究的目的是评估小儿心脏手术后的肾脏长期预后,并确定围手术期AKI是否与更差的肾脏预后相关。

这项前瞻性多中心队列研究招募了1个月至18岁的儿童,这些儿童来自3个北美儿科中心,在2007年7月至2009年12月期间接受了心肺转流术和住院治疗。并且这些儿童在手术后5年接受了电话和个人随访。

急性肾损伤被定义为在术前血清肌酐从基线开始上升50%,或在心脏手术住院期间血清肌酐为0.3 mg/dL或更多。

主要检测指标为高血压(血压≥95百分位数,或自我报告的高血压),微量白蛋白尿(尿白蛋白与肌酐比>30mg/g)和慢性肾脏疾病(血清肌酐估计肾小球滤过率[eGFR]为90mL/min/1.73m2或微量白蛋白尿)。

共有131名儿童(平均[四分位间距]年龄,7.7[5.9-9.9]岁)参加了5年的个人随访;68名儿童(52%)是男孩。131名儿童中有57名(44%)有术后AKI。在随访中,22名儿童(17%)患有高血压(比公布的一般儿科人群流行率高10倍),分别有9名(8%),13名(13%)和1名(1%)儿童有微量白蛋白尿,eGFR小于90mL/min/1.73m2,eGFR小于60mL/min/1.73m2。21名儿童(18%)患有慢性肾脏疾病。在随访期间,仅有5名儿童(4%)通过肾内科医生进行过治疗。有和无术后AKI的儿童肾脏结局没有显著差异。

慢性肾脏疾病和高血压是小儿心脏手术后5年时常见的症状,围手术期AKI与这些并发症无关。未来还需要更长时间的随访来确定慢性肾脏疾病和高血压的消退或恶化。

原始出处:

Jason H. Greenberg,Michael Zappitelli,Prasad Devarajan,et al. Kidney Outcomes 5 Years After Pediatric Cardiac Surgery, JAMA Pediatr. 2016;170(11):1071-1078.

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