相关实验视频
Updated: Jul 5, 2025

07:25
Transdermal Measurement of Glomerular Filtration Rate in Mice
Published on: October 21, 2018
21.9K
预测新基线膜过率 (NBGFR) 经过供体切除术后:基于分裂功能 (SRF) 的公式的验证
Hoi Pong Nicholas Wong1, Wei Zheng So2, Vineet Gauhar3
1Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore. nichwong9@gmail.com.
World journal of urology
|January 20, 2024
概括
使用分裂功能 (SRF) 的新配方准确地预测了捐赠脏切除术后的新基线球透率 (NBGFR). 这个工具有助于评估和咨询活着的脏捐赠者关于术后结果.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 外科手术的结果
背景情况:
- 预测捐赠脏切除术 (DN) 后的膜过率 (GFR) 对于活着的脏捐赠者的评估和咨询至关重要.
- 目前,对于估计DN后的新基线GFR (NBGFR) 的工具有限.
- 这项研究验证了基于分裂功能 (SRF) 的公式,用于NBGFR预测.
研究的目的:
- 验证一种简单的基于SRF的公式,用于预测捐赠者的NBGFR.
- 在一个活着的脏捐赠者队列中评估SRF公式的准确性和可靠性.
主要方法:
- 分析了从2010年至2016年接受DN的83名患者.
- 在手术前CT成像确定SRF (对侧体积/体积总量).
- 使用公式:预测的NBGFR = 1.24 × (DN前全球GFR) × (SRF).
主要成果:
- 基于SRF的公式与观察到的NBGFR有很强的相关性 (皮尔森的r=0.729).
- 该预测显示出最小的偏差 (中位数差异=7.190毫升/分钟/1.73米2).
- 观察到高精度:96.4%在±30%和62.7%在±15%的观察到的NBGFR.
结论:
- 基于SRF的配方准确地预测了活体脏捐赠者的NBGFR.
- 该配方可以有效地区分NBGFR> 45mL/min/1.73m2.2的患者.
- 通过这种预测工具,为捐赠者的术后脏结果提供了优化的术前咨询.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
95
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...
95
Renal Drug Excretion: Glomerular Filtration
271
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....
271
Glomerular Filtration Rate and its Regulation
2.7K
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...
2.7K
Renal Clearance
949
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...
949
Renal Failure: Dose Adjustments
92
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
92
Glomerular Filtration: Net Filtration Pressure
2.4K
Glomerular filtration, a key process in the kidneys, is regulated by three main pressures: Glomerular blood hydrostatic pressure (GBHP), Capsular hydrostatic pressure (CHP), and Blood colloid osmotic pressure (BCOP).
GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal...
GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal...
2.4K

