在儿科度范围内的酶类肌氨酸方法的性能
Hilda Hallander1, Magnus Lindén2,3, Catarina Lindqvist1
1Department of Clinical Chemistry, Halland Hospital, Varberg and Halmstad, Sweden.
Scandinavian journal of clinical and laboratory investigation
|February 17, 2025
概括
这项研究评估了儿童的肌素测量方法,发现低范围的精度不同. 方法偏差校正需要仔细关注儿科肌水平,以确保可靠的功能估计.
科学领域:
- 临床化学 临床化学
- 生物标记分析 生物标记分析
- 儿科医学 儿科医学
背景情况:
- 肌素是评估功能和成人和儿童膜过率的关键生物标志物.
- 评估特定在儿科度范围内的肌素测量性能的最近研究是有限的.
- 准确的肌素测量对于及时诊断和治疗儿科患者的病至关重要.
研究的目的:
- 在儿科度范围内的四个不同的平台 (Abbott Alinity,Radiometer ABL800,Roche Cobas,Siemens Atellica) 上评估常用的酶性肌胺测试的测量性能.
- 为了将这些平台与黄金标准同位素稀释质谱法 (IDMS) 参考方法进行比较.
- 用北欧临床化学协会的对照血清来评估罗氏酶方法的性能.
主要方法:
- 涉及四个自动化免疫测试平台的比较分析研究.
- 在儿科相关样本中测量肌氨酸度.
- 结果与同位素稀释质谱法 (IDMS) 参考方法进行比较.
- 使用北欧临床化学协会对照血清进行二次方法比较.
主要成果:
- 在评估的肌素方法中,在与儿科相关的低度范围内观察到精度的显著变化.
- 测量平台之间的相对差异随着肌素度的增加而减少,特别是低于75μmol/L.
- 应用一种单一的绝对因子来纠正方法偏差,如有时建议的那样,可能会损害儿科肌素范围内的测量准确性.
结论:
- 目前的酶类肌氨酸测定在儿科度范围内显示出可变的性能.
- 为可靠的儿科功能评估,需要标准化和提高肌素测量方法之间的一致性.
- 在制定偏差校正策略时,制造商和利益相关者必须考虑儿童患者低度肌素测量的独特挑战.
相关概念视频
01:17Factors Affecting Renal Clearance: Renal Impairment
48
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...
48
01:23Renal Clearance
682
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...
682
01:07Determination of Renal Drug Clearance: Graphical and Midpoint Methods
69
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...
69
01:08Renal Drug Clearance: Comparison Between Renal Excretion Methods
62
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...
62