评估临床化学测试当前基于患者的实时质量控制
Ergin Çam1, Deniz I Topcu2, Alev Kural1
1Department of Clinical Chemistry, Department of Biochemistry, University of Health Sciences, Bakirköy Dr. Sadi Konuk Training and Research Hospital, İstanbul, Türkiye.
概括
基于RCVg的截断和EWMA方法的基于患者的实时质量控制 (PBRTQC) 提高了对AST,和TSH等低个性分析物的系统错误检测,同时最大限度地减少了数据损失. 量身定制的策略对于临床实验室的最佳错误监测至关重要.
科学领域:
- 临床化学 临床化学
- 实验室医学 实验室医学
- 质量控制 质量控制 质量控制
背景情况:
- 基于患者的实时质量控制 (PBRTQC) 对于监测实验室测试准确性至关重要.
- 系统错误检测和数据丢失最小化是PBRTQC的关键挑战.
研究的目的:
- 为了优化PBRTQC对阿斯巴酸氨基转移酶 (AST),铁 (Fe), (K) 和铁激素 (TSH) 的分析.
- 评估不同的截断方法和移动平均线技术,以系统地检测错误.
主要方法:
- 分析了使用截断方法 (百分位数,RCVg,±3 SD) 的临床实验室数据,并进行了修剪/化.
- 应用数据转换 (日志,平方根,叶-约翰逊) 以获得正常性.
- 评估的指数加权移动平均 (EWMA) 具有各种块大小用于错误检测.
主要成果:
- 基于RCVg的截断改善了低个性分析剂 (AST,K,TSH) 的错误检测.
- 在没有截断或winzorization的情况下,Fe分析更有效.
- 使用较小块大小 (20,30) 的EWMA显示出优异的系统错误检测.
结论:
- 基于RCVg的截断与EWMA相结合,增强了低个性分析物的PBRTQC,减少了数据丢失.
- 考虑个性和分布的分析物特定策略对于有效的错误监测至关重要.
- 建议在不同的临床环境中进一步验证.
相关概念视频
01:15Data Validation
141
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
Key parameters for method validation include:
141
01:27Controlled-Current Coulometry: Overview
158
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a substance through the controlled passage of current. It involves the application of a constant current to an electrochemical cell containing the analyte of interest. As the current flows through the cell, the analyte undergoes a redox reaction at the electrode surface, resulting in a charge transfer. By monitoring the time required for a certain...
158
02:57Real Time RT-PCR
56.8K
Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
The real-time quantification of the number of amplified products is...
56.8K
01:18Controlled-Current Coulometry: Coulometric Titration
158
Coulometric titrations are a form of titrimetric analysis where the reagent is generated electrically, and its amount is evaluated based on current and generating time. The electron serves as the standard reagent. The procedure is similar to conventional titrations, such as endpoint detection.
The fundamental requirements for coulometric titrations are (1) 100% efficiency in the reagent-generating electrode reaction and (2) a stoichiometric and preferably rapid reaction between the generated...
The fundamental requirements for coulometric titrations are (1) 100% efficiency in the reagent-generating electrode reaction and (2) a stoichiometric and preferably rapid reaction between the generated...
158