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Pérdida de calor en seres humanos calentados con varios sistemas de calefacción de aire forzado de todo el cuerpo
Fabio A Rodriguez-Patarroyo1, Lu Wang2, Berry Teunissen3
1Research fellow, OutcomesResearch Consortium, Department of Anesthesiology, Cleveland Clinic. Currently anesthesiology resident, Oregon Health and Science University, Portland, Oregon.
Anesthesiology
|August 20, 2025
Resumen
Los sistemas de calentamiento de aire forzado previenen efectivamente la hipotermia al aumentar significativamente la temperatura de la piel y el flujo de calor. Todos los sistemas probados demostraron una eficacia comparable en la transferencia de calor y la comodidad del paciente.
Área de la Ciencia:
- Anestesiología
- Medicina perioperatoria
- Regulación térmica
Sus antecedentes:
- La hipotermia perioperatoria es una complicación común.
- Los sistemas de calentamiento de aire forzado son estándar, pero los datos de eficacia comparativa son limitados.
Objetivo del estudio:
- Para evaluar el flujo de calor, la temperatura media de la piel y el confort térmico.
- Para comparar cinco sistemas de calentamiento de aire forzado de todo el cuerpo.
Principales métodos:
- Prueba cruzada aleatoria con 20 voluntarios sanos.
- Cada participante utilizó cinco sistemas diferentes de calentamiento de aire forzado durante 30 minutos con períodos de lavado de 45 minutos.
- Flujo de calor cutáneo medido, temperatura media de la piel y comodidad térmica.
Principales resultados:
- Todos los sistemas mejoraron significativamente el flujo de calor y aumentaron la temperatura de la piel en 15 minutos.
- El flujo de calor promedio cambió de pérdida a ganancia en 5 minutos.
- La temperatura de la piel se estabilizó alrededor de 35,5°C.
Conclusiones:
- Todos los sistemas de calentamiento por aire forzado probados transfieren efectivamente el calor.
- No se encontraron diferencias significativas en la transferencia de calor, la temperatura de la piel o el confort entre los sistemas.
- Todos los sistemas son adecuados para prevenir la hipotermia en pacientes quirúrgicos.
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