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Interferón-γ (IFNγ), una espada de doble filo que afecta los pronósticos en pacientes críticos: Un estudio
Guangjian Wang1, Hui Lian1, Hongmin Zhang1
1Department of Health Care, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Cytokine
|January 13, 2026
Resumen
El interferón-gamma (IFNγ) muestra una fuerte relación con el síndrome de disfunción multiorgánica (SDMO) y la supervivencia en pacientes críticos. Niveles elevados de IFNγ pueden predecir el SDMO y los resultados de los pacientes, ofreciendo un biomarcador valioso en entornos de cuidados intensivos.
Área de la Ciencia:
- Medicina de cuidados intensivos
- Inmunología
- Investigación de biomarcadores
Sus antecedentes:
- Las respuestas inflamatorias anormales y las infecciones virales son clave en la patogénesis de las enfermedades críticas.
- El síndrome de disfunción multiorgánica (SDMO) impacta significativamente los resultados y el pronóstico en pacientes críticos.
- El interferón-gamma (IFNγ), una citoquina reguladora, puede indicar la gravedad de la infección viral y predecir el SDMO.
Objetivo del estudio:
- Evaluar la asociación entre los niveles de Interferón-gamma (IFNγ) y los resultados clínicos en pacientes críticos.
Principales métodos:
- Estudio prospectivo (1 de enero - 31 de mayo de 2023) en el Hospital该Peking Union Medical College.
- Se recopilaron datos de registros médicos electrónicos, incluidas características basales, parámetros de la UCI, pruebas de laboratorio y resultados.
- Se utilizaron Modelos Aditivos Generalizados y análisis de supervivencia de Kaplan-Meier para evaluar las asociaciones.
Principales resultados:
- Los niveles de IFNγ se correlacionaron positivamente con el SDMO en subgrupos de sepsis y no sepsis.
- Se observó una curva en forma de U (umbral de 5,3 ng/mL) entre los niveles de IFNγ y la mortalidad a los 28 días.
- Los niveles bajos de IFNγ se asociaron con un peor pronóstico en pacientes con sepsis; la procalcitonina (PCT) no mostró diferencias pronósticas significativas.
Conclusiones:
- El IFNγ está fuertemente asociado con el SDMO y el pronóstico en pacientes críticos.
- El IFNγ muestra potencial como biomarcador para predecir la aparición de SDMO y los resultados de los pacientes.
- Los hallazgos respaldan el valor clínico del IFNγ en cuidados intensivos y justifican una mayor investigación.
Palabras clave:
mortalidad a 28 díaspacientes críticosrespuesta inflamatoriaInterferón-γsíndrome de disfunción multiorgánicasepsisMás Videos Relacionados
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