与肥胖相关的生物标志物与运动不耐受和HFpEF有关
Mariana F Ramirez1, Emily S Lau2, Juhi K Parekh1
1Cardiovascular Institute and Division of Cardiology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA (M.F.R., J.K.P., A.S.P., N.O., D.W., J.E.H.).
Circulation. Heart failure
|September 13, 2023
概括
像瘦素和C反应蛋白 (CRP) 这样的肥胖生物标志物与呼吸障碍患者的心力衰竭与保存的喷射分数 (HFpEF) 和减弱的运动能力有关.
科学领域:
- 心脏病学 心脏病学
- 代谢综合征是代谢综合征的一种.
- 运动生理学 运动生理学
背景情况:
- 肥胖是心力衰竭的已知危险因素之一,具有保存的喷射分数 (HFpEF).
- 将肥胖与HFpEF和运动不耐受性联系在一起的确切机制尚不清楚.
- 这项研究调查了与HFpEF相关的特定肥胖相关的生物标志物.
研究的目的:
- 为了检查与肥胖相关的生物标志物 (adipokines,炎症标志物,胰岛素抵抗) 与HFpEF状态的关联.
- 评估这些生物标志物与运动能力之间的关系.
- 探索它们与心血管结果的联系.
主要方法:
- 研究了509名患有保留喷射分数和慢性呼吸障碍的患者.
- HFpEF是由左心室填充压力升高所定义的.
- 生物标志物从心肺运动测试期间采集的血液样本中测量.
主要成果:
- 肥胖生物标志物与运动能力受损相关 (峰值VO2).
- 较高的瘦素水平与较低的VO2峰值密切相关.
- 莱普和C反应蛋白 (CRP) 独立地与HFpEF的几率增加有关.
结论:
- 炎症,阿迪波金信号传递和胰岛素抵抗路径可能会导致与肥胖相关的HFpEF.
- 瘦素和CRP是潜在的指标,将肥胖与HFpEF和运动不耐受性联系在一起.
- 这些发现突出了特定的分子通路,涉及到肥胖对心脏功能的影响.
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