在接受冠状动脉绕道移植的患者中,不成熟的表面活性蛋白B类与移植相关
Sonia Eligini1, Erica Gianazza2, Fabrizio Veglia3
1Unit of Functional Proteomics, Metabolomics and Network Analysis, Centro Cardiologico Monzino IRCCS, Milano, Italy.
JACC. Advances
|September 4, 2025
概括
在冠状动脉旁路移植手术 (CABG) 之前,不成熟的表面活性蛋白B (proSP-B) 的升高预示着长期的移植封闭. 这种生物标志物改善了CABG手术后移植透视的风险预测.
科学领域:
- 心血管外科
- 生物标志物发现
- 医疗诊断
背景情况:
- 冠状动脉旁路移植 (CABG) 手术是复杂的多血管冠状动脉疾病的关键治疗方法.
- 在CABG后长期的移植封闭仍然是一个重要的临床挑战.
- 不成熟的表面活性蛋白B (proSP-B) 是可能预测心血管不良事件的因素.
研究的目的:
- 研究手术前血proSP- B水平与CABG后18个月的移植封闭之间的关联.
- 为了确定升高的proSP-B是否可以预测CABG后的移植封闭.
- 在一个多变量模型中评估proSP-B的预测附加值.
主要方法:
- 在40名患有塞移植的患者和130名没有塞的患者中评估proSP- B.
- 通过冠状动脉计算机断层扫描和/或侵入性血管扫描评估了18个月的移植通透性.
- 使用后勤回归和接收器操作特征曲线进行分析.
主要成果:
- 与没有移植的患者相比,手术前的proSP- B显著更高 (P = 0. 002).
- 即使在对临床因素进行调整后,ProSP-B也独立预测了移植封闭的风险增加.
- 包括proSP-B使预测模型的曲线下的面积从0.7204提高到0.7733 (P=0.02).
结论:
- 术前升高的proSP-B是CABG后18个月移植闭塞的独立预测因子.
- ProSP-B增强了现有的预测模型.
- 在接受手术重血管化的患者中,ProSP-B显示为一种新的风险分层生物标志物.
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