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用常规临床指标预测血液透析患者动脉静脉管功能障碍的风险预测
Xiaolu Sui1, Weixue Xiong2, Qianli Fu1
1Department of Nephrology, The People's Hospital of Baoan Shenzhen, The Second Affiliated Hospital of Shenzhen University, Shenzhen Hospital of Guangdong Provincial People's Hospital, The Affiliated Baoan Hospital of Southern Medical University, Shenzhen Baoan Clinical Medical School of Guangdong Medical University, The 8th people's Hospital of Shenzhen, Baoan Clinical Research Center for Kidney Disease, Shenzhen, China.
血液透析 (HD) 患者的动脉静脉 (AVF) 功能障碍是由总蛋白质,白蛋白,LVEF,高血压和心脏病史预测的. 一个新的模型有助于早期风险分层,以获得更好的透析结果.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心脏病学 心脏病学
- 临床预测建模临床预测建模
背景情况:
- 动脉静脉 (AVF) 是血液透析 (HD) 的首选血管通道.
- AVF功能障碍是一种常见的并发症,影响治疗疗效.
- 对于AVF通透性的风险因素尚未完全理解.
研究的目的:
- 确定HD患者中AVF功能障碍的关键临床预测因素.
- 开发一种用于预测AVF功能障碍的实用模型.
- 改善早期风险分层和指导AVF通透性的干预措施.
主要方法:
- 对439名HD患者的病历进行了回顾性审查.
- 使用最小绝对收缩和选择运算符 (LASSO) 考克斯回归用于预测器选择.
- 为预测构建了一个多变量Cox比例危险回归模型.
- 通过一致性索引 (C-index) 评估模型歧视,并通过引导重新抽样进行内部验证.
主要成果:
- 在2.9年的中位数随访期间,AVF功能障碍发生在10.5%的患者中.
- 确定了五个重要的预测因素:总蛋白质,白蛋白,左心室射出分数 (LVEF),高血压史和心脏病史.
- 最终的预测模型显示强烈的歧视,C指数为0.812 (95%CI:0.753-0.871).
结论:
- 确定了五个常规可用的临床变量作为AVF功能障碍的独立预测因素.
- 为AVF功能障碍开发了一种具有高预测准确性的名图.
- 该模型可以帮助早期风险分层和及时干预,以防止AVF衰竭并提高透析效率.
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