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Acta bioquímica clínica latinoamericana
versão impressa ISSN 0325-2957versão On-line ISSN 1851-6114
Resumo
VELASCO, Gustavo Adolfo e BIANCHI, María Eugenia Victoria. Experiencia de un programa de estandarización de creatinina en una región de ingresos bajos de Latinoamérica. Acta bioquím. clín. latinoam. [online]. 2024, vol.58, n.1, pp.9-9. ISSN 0325-2957.
Creatinine standardisation programmes remain valid. The objective of this work is to describe the experience acquired during the development of a creatinine standardisation programme in a low-resource province and show the aspects that should be considered for its scalability in a similar context. The programme was developed in stages. The first one was carried out in 2010. It consists of a structured survey completed by 49 clinical laboratories (CL) distributed throughout the province. In the second stage (2012) the random error (RE) was adjusted by applying international protocols (CLSI EP-5A). In the third stage (2014-2015), panels of sera were processed with concentrations assigned by a method traceable to the reference and the international standard (CG-IDMS). International protocols were applied to evaluate the total error (TE) of the determination in each laboratory (CLSI EP-10A). In 2016, applying quality tools, the barriers in the process were evaluated. In the RE, it was observed: for a level of 1.00 mg/dL, no CL reached the desirable levels; for a level of 2.5 mg/dL only 9 (23%) CL achieved them. Once the second and third stages were completed, only 18 laboratories (48.7%) managed to adjust the RE and/or TE, but it was difficult to sustain it over time. With respect to materials, reagents, calibrators, and controls, they are produced by the industry depending on the state of their control. The homogeneity of the equipment depends on economic accessibility and volume of work. The environment, temperature, and water quality are a barrier to scalability.
Palavras-chave : Creatinine standardisation; Clinical laboratories; Traceable creatinine.