空间心室梯度是一个独立预测人环素相关心脏毒性的预测器
Andrea Nathalie Rosas Diaz1, Hans Friedrich Stabenau2, Gabriel Pajares Hurtado3
1Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
JACC. Advances
|June 28, 2024
概括
空间心室梯度 (SVG) 预测心力衰竭 (HF) 的风险降低. 治疗前的SVG大小和向左的方向表明心脏毒性风险较低,有助于个性化癌症治疗.
科学领域:
- 心脏病学 心脏病学
- 在瘤学瘤学.
- 医疗成像医学成像
背景情况:
- 人环素是重要的化疗药物,但具有心脏毒性风险.
- 空间心室梯度 (SVG) 反映了心脏电异质性,并预测了不良心血管事件.
- 心力衰竭 (HF) 是一个显著的担忧,在患者接受治疗的Anthracyclines.
研究的目的:
- 为了确定化疗前的SVG值是否预测了由环素诱导的HF或心肌病 (CM) 的风险.
主要方法:
- 在接受 antracycline 治疗之前,对 889 名癌症患者的 12 心电图进行了回顾性分析.
- 从基线ECG计算SVG大小和向量方向.
- 使用ICD代码和图表审查评估事件的HF/CM,死亡作为一个竞争的风险.
主要成果:
- 化疗前较大的SVG大小与HF/CM风险降低有关 (每1个SD增加的SHR为0.76,P=0.024).
- 更向左的SVG矢量方向 (VGx) 也与降低的HF/CM风险相关 (每1个SD增加的SHR为0.77,P=0.023).
结论:
- 治疗前的SVG特征,特别是大小和向左的方向,与较低的环素相关心脏毒性风险有关.
- 将SVG纳入风险分层可能使个性化癌症和心脏保护疗法成为可能.
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