JAMA :心脏手术后急性肾损伤风险预测模型

2022-03-09 网络 网络

在接受心脏手术的患者中,基于围手术期肌酐、血尿素氮、血清钠、钾、碳酸氢盐和白蛋白等实验室数据的预测模型,可对术后中重度急性肾损伤具有良好的预测效果。

急性肾损伤(AKI)是心脏手术后的严重并发症,血清肌酐和尿素氮是诊断管理AKI的传统手段,然而,相关指标临床上显著的变化往往出现在损伤后几天,使得患者失去了早期治疗和肾保护干预的机会。准确和早期识别AKI风险患者有助于有针对性地进行肾保护。近日研究人员开发了心脏手术后AKI预测模型并对其准确性进行了验证。


研究人员收集了美国一家学术医学中心在2000年1月至2019年12月期间接受心脏手术的成人患者数据(n=58526),随后在3家美国社区医院的外部队列中进行验证(n=4734)。相应的变量包括血清围手术期肌酐和术后血尿素氮、血清钠、钾、碳酸氢盐和白蛋白的变化。研究的主要终点为受试者工作特征曲线下面积(AUC)。
开发队列患者的平均年龄为66岁,男性占67%,白人占91%。术后72小时内中重度AKI和需要透析的AKI患者数分别为2674例(4.6%)和868例(1.48%),术后14天内分别为3156例(5.4%)和1018例(1.74%)。从手术结束到第一次代谢物取样的时间为10小时。基于该模型对术后72小时 (AUC=0.876) 和14天内(0.854 )的中重度AKI以及术后72小时 (0.916 )和14天内 (0.900 ) 需要透析的AKI具有极高的预测效果。验证队列中,模型对手术后72小时(0.86)和14天(0.842)中重度AKI以及72小时(0.879)和14天(0.873)内需要透析AKI表现出良好的预测效果。

实验室指标与术后肾损伤风险

研究认为,在接受心脏手术的患者中,基于围手术期肌酐、血尿素氮、血清钠、钾、碳酸氢盐和白蛋白等实验室数据的预测模型,可对术后中重度急性肾损伤具有良好的预测效果。
原始出处:
Sevag Demirjian et al.Predictive Accuracy of a Perioperative Laboratory Test–Based Prediction Model for Moderate to Severe Acute Kidney Injury After Cardiac Surgery. JAMA,March 8,2022。

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    2022-03-10 zhoujf1978

    实用

    0

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    2022-03-10 医者仁者

    #急性肾损伤#主要是#对比剂#引发的为主

    0

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