Característica actual de los métodos para la determinación de troponinas cardíacas y su valor diagnóstico: minirrevisión

Autores/as

DOI:

https://doi.org/10.31053/1853.0605.v78.n4.32988

Palabras clave:

hs-cTnI, hs-cTnT, métodos inmunoquímicos de determinación, diagnóstico, infarto agudo de miocardio, diagnóstico no invasivo

Resumen

La expansión y el descubrimiento de nuevas posibilidades de diagnóstico para el uso de muchos biomarcadores de enfermedades cardiovasculares (ECV), incluidas las isoformas de troponina cardioespecíficas (cTnI, cTnT), se debe a la mejora de los métodos de laboratorio para su determinación. A lo largo de una prolongada historia de la creación y mejora de métodos inmunoquímicos para la determinación de cTnI y cTnT, se observaron cambios significativos en el concepto de biología y su valor diagnóstico como biomarcadores de ECV. Los métodos obsoletos de detección de cTnI, cTnT, llamados de sensibilidad baja y moderada, se distinguieron por una sensibilidad relativamente baja, lo que llevó a la confirmación tardía del diagnóstico de infarto agudo de miocardio (IAM) y, por lo tanto, dichos métodos fueron reemplazados gradualmente por nuevos métodos de alta y moderada sensibilidad, como definiciones de métodos ultrasensibles (hs-cTnI, hs-cTnT). Con la introducción de hs-cTnI y hs-cTnT en la práctica clínica, la posibilidad de diagnóstico precoz y exclusión del IAM mediante la evaluación de la cinética de la concentración de hs-cTnI y hs-cTnT en las primeras horas (0-1 hora, 0-2 horas, 0-3 horas) desde el momento en que el paciente ingresa a urgencias. Además, algunas de nuestras ideas sobre la biología de las troponinas cardíacas han cambiado, y han surgido nuevas oportunidades prometedoras para su uso en medicina. En este artículo se discuten las características analíticas clave de los métodos de detección de hs-cTnI y hs-cTnT en comparación con métodos moderadamente sensibles, e informa sobre nuevos datos biológicos y algunas nuevas posibilidades de diagnóstico para el uso de hs-cTnI y hs-cTnT en la práctica clínica moderna.

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Biografía del autor/a

  • Aleksey Chaulin, Samara State Medical University. Russia. CAMPA.

    Samara State Medical University, student (2009-2017) 
    Samara State Medical University, postgraduate student (2017-2019)
    Samara State Medical University, M.D., assistant of the department Histology and Embriology, Cardiology (2019-2021)
    Samara Regional Cardiology Dispensary, M.D. (2017-2021) Russia. CAMPA.
    Current research interests: Clinical Chemistry, Biochemistry, Biomedicine, Molecular biology, Laboratory Medicine, Cardiac troponins, hs-cTn,
    acute myocardial infarction, heart failure, hypothyroidism

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2021-11-29

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1.
Chaulin A. Característica actual de los métodos para la determinación de troponinas cardíacas y su valor diagnóstico: minirrevisión. Rev Fac Cien Med Univ Nac Cordoba [Internet]. 2021 Nov. 29 [cited 2024 Dec. 27];78(4):415-22. Available from: https://revistas.unc.edu.ar/index.php/med/article/view/32988

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