尿酸水平与高血压患者全因死亡率之间的U形关系
Yating Huang1, Jie Li2, Feifei Sun3
1Department of Cardiology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China.
Scientific reports
|January 2, 2025
概括
尿酸 (UA) 水平显示了高血压患者与全因死亡率的U形关联. 死亡风险在较低的UA水平下降,但在特定值以上显著增加,这些值因性别而异.
科学领域:
- 心血管医学 心血管医学
- 腎臟病學 (nephrology) 是一種醫學.
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 尿酸 (UA) 水平升高与高血压的发展有关.
- UA对高血压患者全因死亡率的影响尚不清楚.
研究的目的:
- 调查血清UA水平与高血压患者全因死亡率之间的非线性关联.
- 确定UA对死亡率的影响的性别特定值.
主要方法:
- 利用光滑曲线配合来分析非线性关系.
- 采用值和和效应分析和考克斯回归模型.
- 进行了分层分析,用于与并发病的相互作用测试.
主要成果:
- 在高血压患者中观察到UA和全因死亡率的U形曲线.
- 在男性中,死亡风险降低到7.2 mg/dL UA以下,而在7.2 mg/dL UA以上则增加.
- 在女性中,UA的保护作用低于5.1 mg/dL,而风险因子高于5.1 mg/dL.
结论:
- UA与高血压全因死亡率之间的关系是U形的.
- 存在特定于性别的拐点,表明男性和女性的风险概况不同.
- UA管理可能需要根据性别和基线水平量身定制的方法.
相关概念视频
Hypertension and Regulation of Blood Pressure
1.9K
Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
1.9K
Factors Affecting Renal Clearance: Renal Impairment
53
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...
53
Hormonal Regulation
32.9K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
32.9K
Antihypertensive Drugs: Action of Diuretics
617
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...
617
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
56
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
56
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
381
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...
381


