低频/高频比是维持血液透析患者死亡和住院的预测因素:一项前性研究
Yafei Chen1, Xu Li1, Li Zhu1
1Department of Nephrology, Peking University People's Hospital, Beijing, China.
Blood purification
|February 7, 2024
概括
心率变化 (HRV) 中低频/高频 (LF/HF) 比率下降预测维持血液透析 (MHD) 患者的死亡率和住院风险更高. 这个比率可以作为风险分层的预后工具.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 医疗技术 医疗技术 医学技术
背景情况:
- 维持血液透析 (MHD) 患者面临死亡和住院的重大风险.
- 心率变化 (HRV) 分析,特别是低频/高频 (LF/HF) 比率,正在研究其预后能力.
研究的目的:
- 评估LF/HF比率对MHD患者全因死亡率和住院治疗的预测值.
- 确定LF/HF比率是否可用于该患者群体的风险分层.
主要方法:
- 一个单一中心前性研究,涉及110名MHD患者.
- 获得了48小时心电图 (ECG) 记录,涵盖了血液透析内和血液透析间的时间.
- 根据中位数LF/HF比率,患者被分为两组 (A组:<1.33,B组:≥1.33).
- 采用多变量考克斯回归分析来评估LF/HF比率与复合终点事件 (死亡或住院) 之间的关联.
主要成果:
- 患有较低LF/HF比率 (A组) 的患者年龄较大,患糖尿病的患病率更高.
- 组A表现出较低的血清肌素和尿酸,但较高的费里丁和NT-ProBNP水平.
- 增加的LF/HF比被确定为独立的保护因子,防止复合终点事件 (HR = 0.357,p = 0.011).
结论:
- 较低的LF/HF比率与MHD患者死亡和住院的风险增加有关.
- 来自48小时心电图记录的LF/HF比率显示,作为MHD患者风险分层的预后因素具有前途.
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