在心力衰竭的门诊患者中,点性尿的作用
Miguel Lorenzo1, Rafael de la Espriella1, Gema Miñana2
1Servicio de Cardiología, Hospital Clínico Universitario de Valencia, Valencia, Spain; Instituto de Investigación Sanitaria INCLIVA, Valencia, Spain.
Revista espanola de cardiologia (English ed.)
|July 22, 2024
概括
慢性心力衰竭 (HF) 门诊患者的尿 (UNa+) 水平较低,表明HF事件恶化的风险较高. 这一发现支持UNa+监测,以更好地管理高频率.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 临床医学 临床医学
背景情况:
- 在急性心力衰竭 (AHF) 下尿反应时,点尿 (UNa+) 监测是有价值的.
- 在慢性心力衰竭 (HF) 门诊患者中UNa+的证据有限.
- 了解UNa+在慢性HF中的作用对于患者管理至关重要.
研究的目的:
- 研究慢性心力衰竭 (WHF) 门诊患者的点位UNa+水平与死亡率和恶化的心力衰竭 (WHF) 风险之间的关联.
- 评估UNa+作为现实世界慢性HF队列中不良事件的预测因素.
主要方法:
- 一项雄心勃勃的观察性研究包括1145名慢性HF门诊患者.
- 在临床访问前1-5天测量了点位UNa+.
- 多变量Cox和负双项回归评估了UNa+和死亡率/WHF事件之间的关联.
主要成果:
- 中位数UNa+为72mmol/L;25.6%的患者有死亡率,20.3%的患者在约2.6年内有WHF事件.
- 较低的基线UNa+与总WHF事件 (IRR1.07) 和AHF住院病例 (IRR1.08) 有着显著的逆线性关联.
- 在较低的UNa+和全因死亡率 (HR 1.04) 之间观察到边界关联.
结论:
- 下点尿水平与慢性HF门诊患者中复发性恶化心力衰竭事件的风险增加有关.
- 现场UNa+可能作为一种有用的生物标志物,用于慢性HF管理中的风险分层.
- 进一步的研究可以探索UNa+监测在慢性HF中的治疗含义.
相关概念视频
Heart Failure Drugs: Diuretics
356
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...
356
Antihypertensive Drugs: Action of Diuretics
647
Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various...
647
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
414
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...
414
Regulation of Sodium and Potassium
469
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
469
Antihypertensive Drugs: Potassium-Sparing Diuretics
495
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...
495
Regulation of Water Output
282
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
282


