一种新的诺莫格拉姆模型,用于预测手术后急性A型大动脉剖析患者的住院死亡率
Yifei Zhou1,2, Rui Fan2, Hongwei Jiang2
1School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China.
Journal of cardiothoracic surgery
|June 24, 2024
概括
这项研究确定了预测急性甲型大动脉剖析患者住院死亡率的新风险因素. 一个新的名ogram模型显示了对外科手术结果的良好预测能力.
科学领域:
- 心血管外科心血管外科
- 医学预测建模医学预测建模
背景情况:
- 急性A型大动脉剖析对公共健康构成重大风险.
- 医疗技术的进步降低了手术死亡率,需要更新预测模型.
- 以前的模型可能不再准确地反映当前患者的结果.
研究的目的:
- 确定新的独立风险因素来预测急性A型大动脉剖析中的住院死亡率.
- 构建和验证外科手术预测结果的名ogram预测模型.
主要方法:
- 来自341名连续患者 (2019-2023) 的临床数据分析.
- 单变量和多变量逻辑回归以确定独立的风险因素.
- 使用已识别的因素构建和验证名ogram.
主要成果:
- 确定了住院死亡率的预测因素:年龄,手术前下肢缺血,手术前激活部分血栓形成时间 (APTT),手术前血小板计数,心肺旁路 (CPB) 时间和术后急性损伤 (AKI).
- 命名图实现了接收器运行特征曲线 (AUC) 下的面积为0.844.4.
- 校准和决策曲线分析证实了该模型的良好质量.
结论:
- 一种新的诺莫格拉姆模型有效地预测了急性A型大动脉解剖手术的患者的住院死亡率.
- 该模型为手术患者提供了改进的风险分层.
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