Resumen
Sarcopenia es una enfermedad musculo esquelética asociada a la edad con pérdida de la masa y función muscular. Es una patología de gran prevalencia en la población adulta mayor. Su etiología es multifactorial donde influye la nutrición, estilo de vida y factores hormonales. Se recomienda tamizar a todo adulto por encima de los 65 años con el cuestionario SARC-F. Su diagnóstico es probable si se demuestra una pérdida de fuerza muscular, ya sea mediante la prueba de fuerza agarre mano o la prueba de levantarse de una silla sin apoyo de las manos. Se confirma el diagnóstico si a esto se le añade una prueba que demuestre baja masa muscular (para lo cual DXA es el más recomendado) o en la calidad muscular. Es un caso severo al presentarse una prueba de la marcha menor a 0.8 m/s. Actualmente no existe ningún fármaco aprobado para su uso, por lo que el manejo se basa en entrenamiento de resistencia y aumento de ingesta proteica.
Palabras clave
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