在心力衰竭患者中,B型自然尿素水平的预后值具有较高的左心室喷射分数
Nobuyuki Ohte1, Shohei Kikuchi1, Noriaki Iwahashi2
1Department of Cardiology, Nagoya City University Graduate School of Medical Sciences Nagoya Japan.
Circulation reports
|March 11, 2025
概括
在心力衰竭患者中,B型尿素水平与LVEF无关. 然而,更高的BNP水平独立地预测了这些患者更好的无事件生存率.
科学领域:
- 心脏病学 心脏病学
- 生物标志物 生物标志物
- 心脏衰竭研究研究
背景情况:
- 在心力衰竭 (HF) 患者中评估B型尿素 (BNP) 水平,这些患者的左心室喷射分数 (LVEF) 较高,需要进一步调查.
- 之前的研究结果表明,HF患者的预后较差,LVEF较高,这促使人们假设BNP水平可能与该人群的LVEF相关.
研究的目的:
- 为了研究BNP水平和LVEF在HF和LVEF>40%的患者之间的关系.
- 为了确定BNP水平是否可以预测独立于LVEF,E/e和心房动 (AF) 的无事件生存率,在这个患者群体中.
主要方法:
- 一项前性,观察性,多中心队列研究包括231名HF患者,在医院出院时LVEF>40%.
- 收集的数据包括LVEF,E/e,BNP水平,以及心电图确认的并发性AF.
- 根据LVEF值 (≥50%和<60%,以及≥60%) 将患者分为轻度降低EF (HFmrEF) 的HF和保存EF (HFpEF) 的不同HF子组.
主要成果:
- 在HFmrEF,HFpEF (≥50%和<60%) 和HFpEF (≥60%) 组中,BNP水平没有显著差异.
- 377 pg/mL的BNP水平是无事件生存的显著差异化指标 (P<0.001).
- 多变量考克斯比例危险分析显示,BNP水平与无事件生存有显著的相关性,独立于LVEF,E/e和并发AF.
结论:
- 较高的BNP水平显著且独立地与LVEF>40%的HF患者无事件生存率相关.
- 在这个队列中,BNP对无事件生存的预测值独立于LVEF,E/e和并发AF.
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