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Manifestaciones Clínicas

Yu Leng1, Yignan He2, Samad Amini3

  • 1Massachusetts General Hospital, Boston, MA, USA.

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Resumen
Este resumen es generado por máquina.

Un nuevo marco GPT-4o clasifica con precisión el deterioro cognitivo (CI) utilizando registros de salud electrónicos, superando a los modelos existentes. Esta herramienta de IA ayuda en el diagnóstico de demencia, pero requiere supervisión humana para un uso clínico seguro.

Palabras clave:
Inteligencia artificialGPT-4oDeterioro cognitivoRegistros de salud electrónicosDiagnóstico de demencia

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Área de la Ciencia:

  • Inteligencia Artificial
  • Procesamiento del Lenguaje Natural
  • Informática Médica

Sus antecedentes:

  • La enfermedad de Alzheimer y las demencias relacionadas (ADRD) plantean desafíos de salud pública, lo que requiere un diagnóstico preciso del deterioro cognitivo (CI).
  • Los registros de salud electrónicos (HCE) contienen datos valiosos de CI dentro de notas clínicas no estructuradas.
  • Los modelos de lenguaje grandes (LLM) como GPT-4o ofrecen potencial para analizar datos de HCE para la identificación y estadificación de CI.

Objetivo del estudio:

  • Desarrollar y evaluar un marco impulsado por GPT-4o para la estadificación de CI y la puntuación automatizada de la Clinical Dementia Rating (CDR) utilizando datos de HCE.
  • Comparar el rendimiento del marco GPT-4o con modelos tradicionales de PNL y basados en incrustaciones para la clasificación de CI.

Principales métodos:

  • Se desarrolló un marco GPT-4o para la estadificación de CI, que incorpora consulta de datos, extracción de características y clasificación en 1002 pacientes de Medicare.
  • GPT-4o generó resúmenes de múltiples notas y realizó una clasificación ordinal de CI con niveles de confianza.
  • Se logró la puntuación automatizada de CDR utilizando plantillas de respuesta estructuradas, generación aumentada por recuperación (RAG) y recuentos de dominios de CDR con niveles de confianza.

Principales resultados:

  • El marco GPT-4o demostró una alta precisión en la estadificación de CI (kappa de Cohen ponderada = 0.95, correlación de Spearman = 0.93).
  • El rendimiento fue superior a los modelos tradicionales de extracción de características y basados en incrustaciones, especialmente para predicciones de alta confianza.
  • La puntuación automatizada de CDR utilizando recuentos de dominios logró una alta precisión (kappa de Cohen ponderada = 0.83).

Conclusiones:

  • El marco GPT-4o muestra un potencial significativo para la revisión automatizada de gráficos en el diagnóstico de demencia, superando a los modelos existentes.
  • El despliegue clínico requiere un enfoque de "humano en el bucle" para mitigar los riesgos de clasificación errónea y garantizar la seguridad.
  • Este modelo híbrido IA-humano equilibra las capacidades de diagnóstico de la IA con la interpretabilidad y la gestión de riesgos.