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La sarcopenia no afecta la disnea en pacientes con enfermedad pulmonar intersticial
Masashi Kanezaki1, Kunihiko Terada2, Satoru Ebihara3
1Department of Physical Therapy, School of Health Sciences, Tokyo International University, Kawagoe, Japan.
ERJ open research
|December 24, 2025
Resumen
La sarcopenia, la pérdida de masa muscular, se asocia con músculos respiratorios y de las extremidades más débiles en la fibrosis pulmonar idiopática (FPI). Sin embargo, no empeora los síntomas de dificultad para respirar en estos pacientes.
Área de la Ciencia:
- Neumología
- Geriatría
- Fisiología Muscular
Sus antecedentes:
- La fibrosis pulmonar idiopática (FPI) es una enfermedad pulmonar progresiva.
- La sarcopenia es común en enfermedades crónicas y afecta la función muscular.
- Es necesario aclarar el impacto de la sarcopenia en los síntomas respiratorios y sensoriales en la FPI.
Objetivo del estudio:
- Investigar la asociación entre la sarcopenia y la fuerza muscular en pacientes con FPI.
- Determinar si la sarcopenia influye de forma independiente en la fuerza de los músculos respiratorios, la fuerza muscular periférica y la disnea (dificultad para respirar) en la FPI.
Principales métodos:
- Diseño de estudio transversal.
- Evaluación de la sarcopenia utilizando criterios establecidos.
- Medición de la fuerza de los músculos respiratorios (p. ej., MIP, MEP).
- Medición de la fuerza muscular periférica (p. ej., fuerza de agarre, prensa de piernas).
- Evaluación de los componentes sensoriales y afectivos de la disnea mediante cuestionarios validados.
Principales resultados:
- La sarcopenia se identificó en una proporción significativa de pacientes con FPI.
- Los pacientes con FPI y sarcopenia exhibieron una disminución de la fuerza de los músculos respiratorios.
- También se observó una disminución de la fuerza muscular periférica en pacientes con FPI y sarcopenia.
- La sarcopenia no mostró una asociación independiente con un aumento de la disnea sensorial o afectiva.
Conclusiones:
- La sarcopenia es prevalente en la FPI y se asocia con una disminución de la función muscular respiratoria y periférica.
- Si bien la sarcopenia afecta la fuerza muscular, no parece ser un factor impulsor independiente de la percepción de la dificultad para respirar en la FPI.
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