Resumo

Sensitivity and specificity of serological markers for diagnosis and monitoring of celiac condition. Gen [online]. 2014, vol.68, n.1, pp.08-11. ISSN 0016-3503.

Introduction: The diagnosis and management of celiac disease has undergone significant changes, according to the ESPGHAN guide (2012) serology is now an essential tool. The main ones are the anti-gliadin IgG/IgA anti-transglutaminase IgG/IgA, anti-endomysial and the recently described anti-deaminated gliadin peptides (anti-DGPs). The purpose of the study was to determine the sensitivity and specificity of these markers in 308 individuals with and without pathology. Materials and Methods: Each individual is simultaneously made the following determinations: TTGG and TTGA Qual (AESKU Diagnostics®, Germany), TgTG, TgTA, AAGG and AAGA ENEASYSTEM III® (Byogenetix, Italia), Neoep. IgG/A (AESKU Diagnostics®, Germany), EMA IgG, IGA and GAF3X IgG-IgA (Euroimmun, Germany®). Results: The sensitivity (S) and specificity (Sp) were: anti-IgA To Celicheck: S: 44.44%, E: 97.59% anti-TTG Qual: S: 14.28%, E: 97.61% anti-neoepitopes IgG/IgA: S: 54.44%, E: 91.59%; AAG IgG: S: 89.11%, E: 63.19%; AAG IgA: S: 79.11%, E: 68.16% IgA anti-DGPs: S: 86.67% E: 96.21% (p<0.05). Conclusions: IgG and IgA ATGT are surpassed only by anti-DGPs However, it is important to extend the research to standardize this new method of assessment.

Palavras-chave : Celiac Disease; antigliadin antibodies; antiendomysium; antitransglutaminase.

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