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. 2020 Dec;57(8):532-547.
doi: 10.1080/10408363.2020.1765731. Epub 2020 Jun 2.

Implementation of patient-based real-time quality control

Tony Badrick  1 , Andreas Bietenbeck  2 , Alex Katayev  3 , Huub H van Rossum  4 , Tze Ping Loh  5 , Mark A Cervinski  6 ; International Federation of Clinical Chemistry and Laboratory Medicine Committee on Analytical Quality
Affiliations

Implementation of patient-based real-time quality control

Tony Badrick et al. Crit Rev Clin Lab Sci. 2020 Dec.

Abstract

The quest to use patient results as quality control for routine clinical chemistry testing has long been driven by issues of the unavailability and cost of suitable quality control material and the matrix effects of synthetic material. Hematology laboratories were early adopters of average of normals techniques, primarily because of the difficulty in acquiring appropriate, stable quality control material, while in the chemistry laboratories, the perceived advantages and availability of synthetic material outweighed the disadvantages. However, the increasing volume of testing in clinical chemistry plus the capability of computer systems to deal with large and complex calculations has now made the use of patient-based quality control algorithms feasible. The desire to use patient-based quality control is also driven by increasing awareness that common quality control rules and frequency of analysis may fail to detect clinically significant assay biases. The non-commutability of quality control material has also become a problem as laboratories seek to harmonize results across regions and indeed globally. This review describes the history of patient-based quality control in clinical chemistry, summarizes the various approaches that can be implemented by laboratory professionals, and discusses how patient-based quality control can be integrated with traditional quality control techniques.

Keywords: Optimization; average of normal; moving average; quality control; simulation.

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