Risk Score for Predicting Acute Kidney Injury from Contrast-Enhanced Computed Tomography (Pre-Computed Tomography Acute Kidney Injury Score): Training and Validation from Retrospective Cohort.
Pattharawin Pattharanitima, Nutthaphol Bumrungsong, Bhapita Phoompho, Raksina Tanin, Suthiya Anumas
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通过对比增强 CT 预测 AKI 的风险评分(Pre-CT AKI 评分):回顾性队列的训练和验证。
背景:造影剂增强计算机断层扫描(CECT)术后造影剂相关急性肾损伤(CA-AKI)缺乏公认的风险评估方法,因此在术前为患者提供咨询具有挑战性。本研究旨在确定 CECT 术后 CA-AKI 的发生率、评估相关风险因素、开发并验证预测评分:所有在 2018 年至 2022 年接受 CECT 的成年患者均被纳入训练队列,而 2023 年的患者则构成外部验证队列。排除CKD 5期、近期透析或数据不完整的患者。采用多元逻辑回归来确定风险因素。接受者操作特征曲线下面积(AUROC)用于评估内部和外部验证:在 21,878 名注册患者中,分别有 6,042 和 2,463 人符合训练队列和验证队列的纳入标准,平均 eGFR 分别为 86.0 (26.4) 和 81.4 (27.6) mL/min/1.73 m2。在训练队列中,492 名患者(8.1%)出现了 CA-AKI,49 名患者(0.8%)需要透析。CA-AKI的独立风险因素包括男性性别、临床环境、血红蛋白水平和CECT结果:在特定人群中,CECT 可导致 CA-AKI。CECT后CA-AKI的CCT前AKI风险评分显示出良好的鉴别力,可轻松应用于临床实践。
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