铁缺乏对诊断为急性心力衰竭的患者右心室应变的影响
Kemal Engin1, Umit Yasar Sinan1, Sukru Arslan1
1Department of Cardiology, Istanbul University-Cerrahpasa Cardiology Institute, 34098 Istanbul, Turkey.
Journal of clinical medicine
|August 14, 2025
概括
急性不补偿性心力衰竭 (ADHF) 患者的缺铁 (ID) 与右心室 (RV) 功能降低有关,特别是影响RV全球纵向应变 (RV-GLS) 和三环状平面缩外流 (TAPSE). 这表明亚临床RV功能障碍,即使其他RV参数看起来正常.
科学领域:
- 心脏病学 心脏病学
- 内部医学 内部医学
- 生理学 生理学 生理学
背景情况:
- 缺铁 (ID) 是心力衰竭 (HF) 的常见并发症,影响高达59%的患者.
- 虽然ID对左心室 (LV) 功能的影响是已知的,但对右心室 (RV) 功能的影响是不太了解的.
研究的目的:
- 评估铁缺乏对急性不补偿性心力衰竭 (ADHF) 患者右心室全球纵向应变 (RV-GLS) 的影响.
主要方法:
- 包括100名住院的ADHF患者,无论LV射出分数 (LVEF).
- 使用欧洲心脏病学会HF指南定义的ID (血清费里<100 ng/mL或费里100-299 ng/mL,TS<20%).
- 通过使用诸如RV喷射率 (RVEF),TAPSE,RV部分面积变化 (FAC),RV TDI S'和RV自由壁GLS等参数来评估RV缩功能.
主要成果:
- 58%的患者患有ID.
- 患有ID的患者表现出明显较低的TAPSE (15.6比17.2毫米;p=0.05) 和RV自由壁GLS (-14.7%比-18.2%;p=0.005).
- 在群体之间的人口统计学,LVEF,RV FAC,RV TDI S',或心性肺动脉压力方面没有发现显著差异.
结论:
- 在ADHF患者中,缺铁与VR缩功能的亚临床损伤有关.
- TAPSE和RV-GLS的减少表明这种功能障碍,即使保留了传统的RV缩功能参数.
- 需要进一步的研究来验证这些发现,并探索潜在的机制.
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