根据身体质量指数,心力衰竭的特定表型与保留/减少的射出分数
Kenichi Matsushita1,2, Kazumasa Harada3, Takahiro Jimba3
1Tokyo CCU Network Scientific Committee, Tokyo, Japan - kenichi-matsushita@umin.ac.jp.
Minerva cardiology and angiology
|February 27, 2025
概括
肥胖悖论,即更高的BMI与更好的存活率相关,在心力衰竭患者中,心力衰竭与保留射出分数 (HFpEF) 比心力衰竭患者中,心力衰竭与减少射出分数 (HFrEF) 更明显. 这项研究根据身体质量指数 (BMI) 确定了不同的患者表型.
科学领域:
- 心脏病学 心脏病学
- 内部医学 内部医学
- 公共卫生 公共卫生
背景情况:
- 身体质量指数 (BMI) 和急性心力衰竭 (HF) 结果之间的关联尚未得到充分理解.
- 现有研究提出了关于BMI对不同HF亚型死亡率的影响的相互矛盾的数据.
研究的目的:
- 为了比较BMI对急性心力衰竭与保存喷射率 (HFpEF) 与急性心力衰竭与减少喷射率 (HFrEF) 的住院死亡率的影响.
- 根据BMI类别定义的特定HFpEF和HFrEF表型的调查.
主要方法:
- 一项针对5313名急性HFpEF和6332名急性HFrEF患者的多中心追溯分析.
- 患者按BMI分类:低 (<18.5),正常 (18.524.9) 和高 (≥25.0,超重/肥胖).
- 卡普兰-梅尔曲线,日志级别测试和考克斯回归分析被用来评估住院死亡率和预后因素.
主要成果:
- 在HFpEF中观察到一个显著的肥胖悖论,更高的BMI与更好的生存率有关.
- 在HFrEF中,发现了较高BMI的较低住院死亡率的趋势,但肥胖悖论不如HFpEF那样明显.
- 在HFpEF和HFrEF队列中,在不同BMI组中确定了不同的临床特征和死亡率预测因素.
结论:
- 肥胖悖论在HFpEF中比HFrEF更明显.
- 按BMI定义的表型揭示了HFpEF和HFrEF种群中独特的临床特征和预后影响.
相关概念视频
Pathophysiology of Heart Failure
1.5K
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...
1.5K
Imbalances in Cardiac Output
1.3K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.3K
Heart Failure Drugs: β-Blockers
308
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
308
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
370
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
370
Heart Failure Drugs: Diuretics
332
Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
332


