相关实验视频

Updated: Jun 13, 2025

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

转林和比费里丁更好地预测HFpEF中的代谢和血液动力学运动反应

Sujin Lee¹, Nicholas E Houstis², Thomas F Cunningham²

¹Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Vascular Surgery and Endovascular Therapy Division, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.

JACC. Heart failure

|June 11, 2025

概括

铁的状况,特别是转激素和度 (Tsat),会影响运动能力和心力衰竭的存活率. 较高的TSAT与更好的运动反应和改善的无心力衰竭生存率有关,与费里水平不同.

科学领域:

心脏病学心脏病学
运动生理学运动生理学
铁的新陈代谢铁的新陈代谢

背景情况:

铁对于心脏功能,氧气运输和肌在运动期间的能量生产至关重要.
铁状况对运动血液动力学和心力衰竭中最大氧气消耗的影响与保存的喷射分数 (HFpEF) 仍然不清楚.

研究的目的:

调查铁状况标志物与运动反应模式之间的关联.
为了确定铁状况和HFpEF患者的临床结果之间的关系.

主要方法:

372名HFpEF患者接受了心肺运动测试,并进行了侵入性血液动力学评估.
测量了血清铁,转林和度 (Tsat),肝素和费里丁.
使用Tsat/hepcidin比率来评估铁的稳定性和hepcidin失调.

主要成果:

较高的峰值氧气消耗与增加的Tsat,Tsat/hepcidin比率和血清铁相关,但非费里丁.
经过对临床因素进行调整后,这些关联仍然显著.
Tsat,Tsat/hepcidin比率和血清铁与改善的血液动力学指标有关,并预测了更好的无心力衰竭生存率,而费里丁则没有.

结论:

在HFpEF中,转林和 (Tsat),而不是费里丁,与增强的运动能力和血液动力功能有关.
较高的TSAT水平独立预测HFpEF患者的生存率有所改善.

关键词:

在CPET中,CPET是CPET.HFpEF HFpEF 的意思是什么费里氨酸 (Ferritin) 是一种铁素.铁是铁,铁是铁,铁是铁.转氨酸和度转氨酸和度

更多相关视频

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Published on: September 22, 2023

Normothermic Ex Situ Heart Perfusion in Working Mode: Assessment of Cardiac Function and Metabolism

Normothermic Ex Situ Heart Perfusion in Working Mode: Assessment of Cardiac Function and Metabolism

Published on: January 12, 2019

相关概念视频

Pathophysiology of Heart Failure

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...

Exercise Stress Test

Exercise Stress Test

Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes