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Desarrollo, validación y evaluación del pronóstico de una puntuación de riesgo para los resultados a largo plazo
Miquel Serra-Burriel1, Adrià Juanola2, Feliu Serra-Burriel3
1Epidemiology, Statistics, and Prevention Institute, University of Zurich, Zurich, Switzerland.
Lancet (London, England)
|August 12, 2023
Resumen
Una nueva puntuación LiverRisk identifica a las personas con alto riesgo de progresión de la enfermedad hepática. Esta puntuación simple, utilizando pruebas de laboratorio de rutina, predice la fibrosis hepática y los resultados futuros relacionados con el hígado, lo que permite la intervención temprana y la atención preventiva.
Área de la Ciencia:
- Hepatología y Gastroenterología
- La medicina preventiva
- Biostatística y Epidemiología
Sus antecedentes:
- La cirrosis hepática es una de las principales causas mundiales de mortalidad, a menudo diagnosticada tarde después de que surjan complicaciones.
- Las herramientas actuales para la identificación temprana de las personas en riesgo son limitadas, lo que dificulta la intervención oportuna.
- El desarrollo de un nuevo puntaje es crucial para identificar a las personas en riesgo de futuros resultados relacionados con el hígado.
Objetivo del estudio:
- Desarrollar y validar una nueva puntuación, LiverRisk, para identificar a las personas en riesgo de fibrosis hepática y resultados relacionados.
- Evaluar la capacidad de la puntuación para estratificar a los individuos en diferentes grupos de riesgo para el manejo proactivo de la salud hepática.
Principales métodos:
- La puntuación LiverRisk se derivó de una cohorte internacional prospectiva (n=6357) utilizando la edad, el sexo y seis variables de laboratorio.
- La elastografía transitoria evaluó la fibrosis hepática; la estratificación del riesgo incluyó grupos de riesgo mínimo, bajo, medio y alto.
- Validación externa en dos cohortes (n=4370, n=3999) y valor pronóstico evaluado en el Biobanco del Reino Unido (mediana de seguimiento de 12 años).
Principales resultados:
- La puntuación LiverRisk predijo con precisión la rigidez hepática (AUC 0,83), superando a la FIB-4 (AUC 0,68).
- La puntuación identificó efectivamente los riesgos de mortalidad hepática, hospitalización y cáncer.
- Los individuos de alto riesgo se enfrentaron a un riesgo 471 veces mayor de mortalidad relacionada con el hígado en comparación con los individuos de riesgo mínimo (AUC de 10 años 0,90 frente a 0,84 de FIB-4).
Conclusiones:
- La puntuación LiverRisk, utilizando parámetros simples, predice efectivamente la fibrosis hepática y los resultados futuros relacionados con el hígado en la población general.
- Esta puntuación facilita la estratificación del riesgo, lo que podría orientar las estrategias preventivas para la salud del hígado.
- LiverRisk ofrece una herramienta valiosa para la detección temprana y el manejo del riesgo de enfermedad hepática.
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