低血,功能和心力衰竭的临床结果与保存的射出小部分
Yoichiro Otaki1, Tetsu Watanabe1, Ryuhei Yamaguchi1
1Department of Cardiology, Pulmonology, and Nephrology, Yamagata University School of Medicine.
概括
低 (低血) 在心力衰竭中与保存的喷射分数 (HFpEF) 有关损伤和增加HF事件. 这项研究强调了低血是高血患者的重要危险因素.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 内部医学 内部医学
背景情况:
- 保存喷射分数 (HFpEF) 的心力衰竭是一个日益增长的健康挑战,具有显著的发病率和死亡率.
- 以前的研究表明,低血与心力衰竭 (HF) 患者的不良结果之间存在联系.
- 在HFpEF中低血,功能和临床结果之间的特定关系仍然不完全理解.
研究的目的:
- 为了研究血清水平,功能和诊断为HFpEF的患者的临床结果之间的关联.
- 在HFpEF患者中确定低血的预测因子.
- 为了确定低血是否是一个独立的风险因素,在这个人群中,HF相关事件.
主要方法:
- 血清水平和功能标志物在入院时评估了454名HFpEF患者.
- 低血症被定义为K+ <3.5 mmol/L;高血症是K+ >5.0 mmol/L.
- 管损伤 (RTD) 通过尿 β2-微型球蛋白与肌素的比率,以及估计的膜过率 (eGFR) 和血体积状态来评估. 结果被追踪了平均1000天的时间.
主要成果:
- 在12.7%的患者中存在低血,而在2.4%的患者中观察到高血.
- 患有低血的患者表现出显著更高的RTD率,保存的eGFR和血体积膨胀.
- 卡普兰-梅尔分析显示,低血患者中,高血相关事件的发病率较高,在多变量考克斯回归分析后仍然显著.
结论:
- 功能,特别是管损伤 (RTD) 和保存的eGFR,与HFpEF患者的低血有关.
- 低血成为HFpEF患者中HF相关事件的重要危险因素.
更多相关视频
05:15Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
Published on: June 10, 2025
72
09:20Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
6.5K
相关概念视频
01:22Heart Failure Drugs: Diuretics
398
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...
398
01:17Pathophysiology of Heart Failure
1.6K
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...
1.6K
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
436
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...
436
01:26Heart Failure Drugs: Inotropic Agents
596
Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
596
01:28Antihypertensive Drugs: Potassium-Sparing Diuretics
584
Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...
584
01:17Factors Affecting Renal Clearance: Renal Impairment
100
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
100