左心室功能与老年人发生慢性病的关联
Wendy Wang1, Jorge L Reyes2, Abayomi Oyenuga2
1Division of Epidemiology and Community Health, University of Minnesota, Minneapolis.
概括
左下心房 (LA) 功能与患慢性病 (CKD) 的风险增加有关. 整合LA功能改善了CKD预测模型,提供了更大的临床益处.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 左心房 (LA) 功能在心血管健康中起作用.
- 慢性病 (CKD) 是一个日益严重的公共卫生问题.
- 在LA功能和事件CKD之间的关系需要进一步调查.
研究的目的:
- 确定左心房 (LA) 功能与慢性病 (CKD) 的发生率之间的关联.
- 评估将LA功能整合到现有的CKD风险预测模型中的临床实用性.
主要方法:
- 利用了4002名参与者在社区动脉样硬化风险研究中没有流行CKD的数据.
- 评估LA功能 (储体,导管,收缩应变) 使用2D心脏回声图.
- 采用Cox比例危险模型和决策曲线分析来预测风险.
主要成果:
- 较低的LA水库,管道和收缩性应变独立地与发生CKD的更高风险有关.
- 在CKD风险预测方程中添加LA储菌株,提高了预测准确度 (C指数增加).
- 改进的模型显示出更高的临床净益处,特别是在糖尿病患者中.
结论:
- 左心房 (LA) 功能受损是发展慢性病 (CKD) 的独立危险因素.
- 将LA功能集成到风险预测模型中可以提高CKD检测和临床效用.
- LA函数代表了对CKD风险分层的潜在新生物标志物.
相关概念视频
01:17Factors Affecting Renal Clearance: Renal Impairment
74
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...
74
01:22Heart Failure Drugs: Diuretics
362
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...
362
01:10Nephrons
2.3K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
2.3K
01:17Pathophysiology 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
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
419
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...
419