基线血液动力学指数,心脏毒性风险和乳腺癌妇女的存活率之间的关联
Charles-Edouard Decorads1, Aurélien Lambert2, Véronique Roch1
1Université de Lorraine, Department of Nuclear Medicine and Nancyclotep Imaging Platform, CHRU Nancy, F-54000, Nancy, France.
概括
心率/血压比指数预测乳腺癌 (BrCa) 患者的心脏毒性和生存率. 根据年龄调整的冲击指数 (ASI) 确定了更高的风险,强调了对BrCa幸存者的综合性心脏评估.
科学领域:
- 心脏病学 心脏病学
- 在瘤学瘤学.
- 医学诊断 医学诊断 医学诊断
背景情况:
- 通过低剂量平衡放射性核素血管学 (ERNA) 进行监测的乳腺癌 (BrCa) 患者的预测结果仍然具有挑战性.
- 用化疗治疗的BrCa患者的心脏毒性和生存率需要改进预测标志物.
研究的目的:
- 评估基于心率 (HR) /血压 (BP) 比率的指数,如冲击指数 (SI) 和年龄调整的SI (ASI),是否可以预测BrCa女性的治疗相关心脏毒性和存活率.
- 确定与BrCa患者不良结果相关的治疗前血液动力学概况.
主要方法:
- 分析了一组274名女性BrCa患者的基线正常ERNA-左心室喷射分数 (LVEF).
- 评估了包括SI和ASI在内的治疗前变量,以评估它们对心脏毒性 (LVEF下降) 和存活率的预测值.
- 多变量分析用于确定心脏毒性和生存的独立预测因素.
主要成果:
- 基线ASI成为心脏毒性 (p < 0.001) 和存活率 (p < 0.001) 的显著多变量预测因子.
- 与较低值 (分别为7.6%和4.5%) 相比,较高的基线ASI值 (>30年min-1 mmHg-1) 与显著更高的36个月心脏毒性 (16.5%) 和死亡率 (20.7%) 相联系.
- 特拉斯图祖马布治疗,LV终端透缩体积,转移和估计的膜过率也与心脏毒性和生存结果有关.
结论:
- 基于HR/BP比率的指数,特别是ASI,有效地识别了心脏毒性风险增加和存活率降低的BrCa患者.
- 这些发现强调了需要对ERNA监测的BrCa妇女的心脏和血管风险进行全面评估的必要性.
- 建议在不同的队列中进一步验证,以巩固这些血液动力学指数的临床实用性.
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