相关实验视频
Updated: Jun 3, 2025

06:58
Physiology Lab Demonstration: Glomerular Filtration Rate in a Rat
Published on: July 26, 2015
17.3K
在海 (Larus michahellis) 中通过IOHEXOL的血清除来估计膜过率的评估
Matilde Vernaccini1, Micaela Sgorbini2, Lucia De Marchi2
1Department of Veterinary Sciences, Veterinary Teaching Hospital "Mario Modenato", University of Pisa, via Livornese snc, San Piero a Grado, Pisa, Italy. matilde.vernaccini@phd.unipi.it.
BMC veterinary research
|January 6, 2025
概括
使用醇 (IOX) 血清除率的有限样本模型准确地估计了海的球过率 (GFR). 这种方法提供了一种可靠的方法来评估功能在禽医学.
科学领域:
- 鸟类医学 鸟类医学
- 脏生理学 脏生理学
- 诊断生物标志物 诊断生物标志物
背景情况:
- 目前的内源性指标缺乏对鸟类早期病检测的敏感性.
- 在禽类诊断中需要替代性,更敏感的标记物.
- 研究评估海功能的新方法.
研究的目的:
- 为了评估有限样本模型在成年海中估计膜过率 (GFR) 的准确性.
- 为了利用IOhexol (IOX) 的血清除率作为GFR评估的标记.
- 确定基于IOX的GFR测量在禽类患者中的临床适用性.
主要方法:
- 从3个样本有限样本模型与6个样本参考模型对GFR估计的比较.
- 在给药后的特定时间点测量IOhexol (IOX) 的血度.
- 使用不同的有限样本模型分析GFR偏差和准确性.
主要成果:
- 限量采样模型显示了与参考模型可比的GFR估计值.
- 海的平均GFR为6.88±2.46毫升/分钟/公斤.
- 模型4 (5,15,90分钟采样) 显示了最低的GFR偏差.
结论:
- 血清除IOhexol (IOX) 是一种可靠和准确的方法来计算海的GFR.
- 这种方法支持鸟类医学中临床脏生物标志物的开发和验证.
- 基于IOX的GFR评估为鸟类脏健康监测提供了一个临床适用的工具.
相关概念视频
Renal Clearance
711
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...
711
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
Determination of Renal Drug Clearance: Graphical and Midpoint Methods
71
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...
71
Renal Drug Excretion: Glomerular Filtration
137
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....
137

