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Optimización de ensayos de tiempo limitado en insuficiencia respiratoria aguda: un protocolo de etnografía centrada

Jacqueline M Kruser¹, Douglas A Wiegmann², Nandita R Nadig³

¹Department of Medicine, University of Wisconsin-Madison School of Medicine and Public Health, Madison, Wisconsin, USA jkruser@wisc.edu.

|December 15, 2025

Resumen

Este estudio caracteriza los ensayos de tiempo limitado óptimos para enfermedades críticas, con el objetivo de estandarizar su uso en unidades de cuidados intensivos (UCI). Los hallazgos guiarán a los médicos en la toma de decisiones sobre terapias de soporte vital.

Área de la Ciencia:

Medicina de Cuidados Intensivos
Cuidados Paliativos
Ética Médica

Sus antecedentes:

Los ensayos de tiempo limitado (TLT) son planes colaborativos para terapias de soporte vital en enfermedades críticas.
Los TLT definen una duración para la terapia, después de la cual se toman decisiones sobre continuar o transicionar la atención.
A pesar de su uso generalizado, la evidencia que guía la realización de TLT es limitada, lo que lleva a variaciones en la práctica.

Objetivo del estudio:

Caracterizar las características de un ensayo óptimo de tiempo limitado.
Comprender cómo los TLT dan forma a la prestación de cuidados intensivos.
Reducir la variación en la aplicación de los TLT.

Principales métodos:

Etnografía centrada observacional, multicéntrica de TLTs.
Población de estudio: pacientes con insuficiencia respiratoria aguda con ventilación mecánica, sustitutos de la toma de decisiones y personal de UCI.
Análisis dual utilizando teoría fundamentada constructivista e ingeniería de sistemas.

Principales resultados:

Estudio en curso - resultados pendientes de difusión
Estudio en curso - resultados pendientes de difusión
Estudio en curso - resultados pendientes de difusión

Conclusiones:

Estudio en curso - conclusiones pendientes de difusión
Estudio en curso - conclusiones pendientes de difusión

Palabras clave:

Cuidados intensivos y críticos para adultos ÉTICA (véase Ética médica)CUIDADOS PALIATIVOS INVESTIGACIÓN CUALITATIVA

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