使用高灵敏度心脏热和冠状动脉血管学进行不稳定性心痛风险分层
Luis Manuel Vilardouro Paiva1, Maria João Vieira2, Mariana Simões2
1Medical Faculty, Coimbra University, Portugal; Cardiology Department, Coimbra University Hospital Centre, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Coimbra University, Portugal.
The American journal of cardiology
|April 5, 2024
概括
高灵敏度托罗邦素 (hsTn) 和阻塞性冠状动脉疾病 (CAD) 助力不稳定性 angina (UA) 患者的风险分层. hsTn增加了价值,而阻塞性CAD可以独立预测主要不良心脏事件 (MACE).
科学领域:
- 心脏病学 心脏病学
- 急性冠状动脉综合征是什么
- 诊断生物标志物 诊断生物标志物
背景情况:
- 由于高灵敏度素 (hsTn) 测定影响发病率和预后,将不稳定性心痛 (UA) 重归类为非ST升高心肌梗塞.
- 准确的风险分层对于管理UA患者至关重要,考虑到不断变化的诊断标准和生物标志物.
研究的目的:
- 评估hsTn试验的预后价值和阻塞性冠状动脉疾病 (CAD) 在UA入院的风险分层患者中的存在.
- 根据已建立的得分,评估一个新的UA死亡风险模型的预测性能.
主要方法:
- 742名因UA住院的患者 (2016-2021) 的回顾性单中心研究,随访时间中位数为45个月.
- 主要终点:所有原因的死亡率. 二级终点 (MACEs):包括非致命性心脏病发作,心力衰竭住院治疗和复发性心脏病发作.
- 开发和验证风险模型,包括年龄,hsTn和ST段偏差;与GRACE和TIMI分数进行比较.
主要成果:
- 总体5年死亡率为6.9%,大多数死亡发生晚 (>12个月).
- 16.7%的患者经历了MACE,包括非致命性MI (3.2%),心力衰竭住院 (2.3%) 和复发性UA (11.6%).
- 开发的UA死亡风险模型表现出强大的预测性能;阻塞性CAD是MACEs的唯一独立预测因素.
结论:
- 当代UA患者表现出良好的预后,特别是在指数事件后的第一年内.
- 不显著的hsTn升高为UA患者的风险分层提供了增量值.
- 识别阻塞性CAD对于预测MACE至关重要,这强调了冠状动脉解剖评估的重要性.
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