在不同的患者护理环境中,肌素与囊素C估计的淋巴球过率之间的差异
Li Liu1, Daniel Y Chang1, Kent B Lewandrowski1
1Department of Pathology, Massachusetts General Hospital, United States; Harvard Medical School, Boston, MA, United States.
Clinical biochemistry
|July 19, 2024
概括
基于cystatin C (cysC) 的估计膜过率 (eGFR) 在住院患者和并发症患者中显示与肌素 (eGFRcr) 的差异. 结合的eGFR减少了这些差异,支持更广泛的采用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 临床化学 临床化学
- 生物标志物 生物标志物
背景情况:
- 估计的膜过率 (eGFR) 对于评估功能至关重要.
- 基于cystatin C (cysC) 的eGFR (eGFRcys) 越来越多地被推用于临床使用.
- 基于eGFRcys和基于肌素的eGFR (eGFRcr) 之间的差异需要调查.
研究的目的:
- 在不同患者护理环境中评估eGFRcys和eGFRcr之间的差异.
- 确定导致EGFR差异的因素,包括并发症和炎症.
- 评估eGFR差异对患者存活时间的影响.
主要方法:
- 对2072名患者的回顾性分析,结合了囊癌和肌素的结果.
- 与患者护理环境和Elixhauser并发症指数相关的delta eGFRcr-cys的分析.
- 卡普兰-梅尔和考克斯的比例危险模型来评估90天的生存期.
- 在50名有系统性炎症和正常功能的门诊患者中分析EGFR差异.
主要成果:
- 与门诊患者相比,住院患者表现出较高的cysC,较低的eGFRcys和较大的delta eGFRcr-cys.
- 较高的Elixhauser并发症指数与较低的eGFRcys和增加的三角形eGFRcr-cys相关.
- 增加的三角形EGFRcr-cys与更糟糕的90天生存率有关.
- 患有炎症和正常功能的患者表现出较低的EGFRcys比EGFRcr,与红细胞异常有关.
结论:
- 炎症和并发症显著影响eGFRcys,导致与eGFRcr的差异,特别是在住院患者中.
- 联合肌素-cysC eGFR有效地减少了这些差异.
- 建议广泛采用联合eGFR,以改善功能评估.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
72
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...
72
Renal Clearance
865
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...
865
Determination of Renal Drug Clearance: Graphical and Midpoint Methods
108
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...
108
Renal Drug Excretion: Glomerular Filtration
236
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....
236
Renal Drug Clearance: Comparison Between Renal Excretion Methods
114
Renal clearance is a critical parameter encompassing kidney filtration, secretion, and reabsorption processes. It is calculated using a specific equation to determine the rate at which the kidneys clear a drug.
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
Renal clearance is often associated with the renal glomerular filtration rate (GFR), which represents the rate at which plasma is filtered through the glomeruli in the kidney. When drug reabsorption is minimal and there is no active secretion, renal clearance is closely related to the...
114
Renal Corpuscle
1.8K
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...
1.8K


