在冠状动脉疾病中,基于cystatin C的估计GFR与肌素的差异之间的关联
Zechen Liu1,2, Wangying Jiang1,2, Yanjun Song1,2
1Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College/National Center for Cardiovascular Diseases, Beijing, China.
Renal failure
|April 29, 2025
概括
肌素和囊素C测量之间的估计球过率 (eGFR) 的差异与冠状动脉疾病 (CAD) 风险有关. 较高的eGFR差异表明患有CAD的风险较低,独立于遗传因素.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心脏病学 心脏病学
- 生物标志物 生物标志物
背景情况:
- 基于肌素和基于囊素C的估计膜过率 (eGFRdiff) 之间的差异是最近的一项发现.
- 虽然eGFRdiff与心血管预后不佳有关,但其在冠状动脉疾病 (CAD) 初级预防方面的作用尚未得到充分研究.
研究的目的:
- 调查之前没有冠状动脉病的个体中eGFRdiff与发生冠状动脉病 (CAD) 的风险之间的关联.
- 确定这种关联是否受遗传易感性对CAD的影响.
主要方法:
- 一项前性队列研究使用英国生物库数据从437536名没有基线CAD的参与者.
- eGFRdiff是通过从囊素C-eGFR中减去肌素-eGFR来计算的,分为负组,中间组和正组.
- 考克斯的比例风险模型分析了eGFRdiff与CAD发病率的关联,平均随访时间为13.8年.
主要成果:
- 在随访期间,记录了36797例 CAD 病例.
- 与中间组相比,阳性EGFRdiff与较低的CAD风险相关 (HR 0.717),而阴性EGFRdiff与较高的CAD风险相关 (HR 1.433).
- 增加的eGFRdiff显示出CAD风险下降的持续趋势 (HR 0.982),独立于遗传敏感性.
结论:
- eGFRdiff与冠状动脉疾病 (CAD) 风险有显著的关联.
- 较高的eGFRdiff与CAD发病的可能性降低有关,无论个体对该疾病的遗传倾向如何.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
30
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...
30
Renal Clearance
376
The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
376
Renal Drug Excretion: Glomerular Filtration
83
The kidney serves as the primary organ responsible for eliminating drugs and their metabolites from the body. This process, known as renal elimination, starts with glomerular filtration and results in urine formation. Each kidney houses millions of functional units called nephrons, where urine production occurs. A nephron has two main components: a renal corpuscle and a renal tubule.
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
83
Renal Corpuscle
1.2K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
1.2K
Glomerular Filtration Rate and its Regulation
1.7K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
1.7K
Determination of Renal Drug Clearance: Graphical and Midpoint Methods
53
Renal clearance, a crucial parameter in pharmacokinetics, can be determined using two different methods: the graphical method and the midpoint method. These methods provide insights into the rate of drug excretion by the kidneys and aid in assessing renal function.
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
53


