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提升的囊素C预测慢性心力衰竭的死亡率更高,独立于功能
Marta Carreira1, José Paulo Araújo1,2, Paulo Bettencourt3,4
1From the Internal Medicine Department, Centro Hospitalar Universitário de S.João, Porto, Portugal.
Critical pathways in cardiology
|August 22, 2024
概括
囊素C (CysC) 水平预测心力衰竭的死亡率与减少喷射分数 (HFrEF). 一个CysC水平为1.00 mg/L或更高,表明死亡风险在5年内显著增加.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 生物标志物研究 生物标志物研究
背景情况:
- 囊素C (CysC) 是心血管疾病中确定的预后标志物.
- 它在急性心力衰竭 (HF) 中的作用以前已经被记录在案.
研究的目的:
- 为了前性地评估CysC (CysC) 的预后价值,在心力衰竭患者中减少射出分数 (HFrEF).
- 确定CysC水平与稳定的HFrEF队列中5年全因死亡率的关联.
主要方法:
- 预期招募215名HFrEF患者,喷射分数<40%和优化治疗.
- 所有原因死亡率的5年随访,用CysC测量和肌素清除率 (CrCl) 计算.
- 包括CrCl在内的Cox回归分析,以评估CysC.的独立预后作用.
主要成果:
- 在5年的随访期间,共有103名患者 (47.9%) 死亡.
- 赛斯丁C (CysC) 显示出对死亡率的良好预测准确性 (AUC=0.77).
- CysC水平≥1.00 mg/L与5年死亡风险增加2.40倍相关,独立于其他因素.
结论:
- 患有CysC<1.00 mg/L的患者在5年内存活的概率很高.
- 囊C≥1.00 mg/L意味着HFrEF患者的死亡风险大幅增加.
- 在HFrEF中,CysC是HFrEF死亡率的有价值的独立预测因子,与B型性尿素和CrCl.一起.
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