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Acta bioquímica clínica latinoamericana
Print version ISSN 0325-2957On-line version ISSN 1851-6114
Abstract
FONCUBERTA, María Eugenia et al. Controles de calidad externos en el diagnóstico molecular de enfermedades genéticas. Impacto sobre la calidad de los estudios genéticos. Acta bioquím. clín. latinoam. [online]. 2024, vol.58, n.1, pp.8-8. ISSN 0325-2957.
Participation in external quality assessment programmes focused on rare genetic diseases makes it possible to assess the laboratory technical and analytical performance and it is a prerequisite for accreditation according to ISO 15189. The objective of this study was to perform a retrospective evaluation of our performance in the EMQN (European Molecular Genetics Quality Network) and the CF Network (Cystic Fibrosis European Network) programmes in the 2014-2022 period. The laboratory performance on genotyping, interpretation and clerical accuracy and patient identifiers in a total of 88 schemes were assessed. The information of our scores and the mean scores of all participating laboratories in the three categories were collected. A total of 90.9% of the schemes were fully completed. The performance in genotyping showed scores above the mean scores in 89.3% of the schemes; 0.8% of the reports correspond to false negative results. Regarding interpretation category, 66.7% of the schemes presented scores above the mean scores and 33.3% below the mean scores. The clerical accuracy and patient identifiers were above the mean scores in 97.6% of the schemes. A statistically significant difference in the percentage of schemes with a score above the mean for the interpretation category in the year 2022 (10/12 schemes) was observed compared to the year 2014 (1/6 schemes) (p=0.0128). In conclusion, regular participation in external quality assessment programmes had a positive impact on the quality of the studies and allows for continuous improvements based on the recommendations suggested by these programmes.
Keywords : External quality assessment; Quality control; Genetic testing; Genetic disorders; Rare diseases; Argentina.