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Señales de alerta de impedimento del habla: ¿a quién debemos derivar a logopedia?
Daisy Shepherd1,2, Olivia van Reyk3, Adam P Vogel4,5
1Neurodevelopment, Murdoch Childrens Research Institute, Parkville, Victoria, Australia.
Archives of disease in childhood
|February 25, 2026
Resumen
Este estudio revela que los errores de sonido del habla son comunes en niños pequeños, y la adquisición se ralentiza durante dos décadas. Los nuevos datos ayudan a identificar trastornos persistentes del habla para una derivación oportuna a logopedia.
Área de la Ciencia:
- Audiología pediátrica y patología del habla y el lenguaje. Psicología del desarrollo y adquisición del lenguaje infantil.
Sus antecedentes:
- Los trastornos del habla son una preocupación frecuente para los pediatras, pero la evidencia actual para identificar trastornos persistentes del habla y derivar para terapia es limitada. Existe una falta de datos recientes del habla en inglés, lo que dificulta la diferenciación precisa entre los errores del habla del desarrollo y aquellos que indican un trastorno.
Objetivo del estudio:
- Establecer datos normativos contemporáneos para la adquisición de sonidos del habla en niños. Ayudar a los clínicos a distinguir entre errores del habla del desarrollo típico y patrones de habla patológicos. Examinar los cambios en el desarrollo del habla durante los últimos 20 años.
Principales métodos:
- Reclutamiento de 1179 niños de 2 años 0 meses a 12 años 11 meses de 24 sitios en Nueva Gales del Sur y Victoria, Australia. Documentación de la adquisición y precisión de los sonidos del habla, incluida la precisión de la palabra completa. Clasificación de los patrones de error de sonido como del desarrollo o patológicos.
Principales resultados:
- El rendimiento del habla mostró una variabilidad significativa hasta los 6 años; a los 7 años, el 90% de los niños producían todos los sonidos correctamente. Los errores patológicos comunes incluyeron transposiciones, errores de vocales y retrocesión; las normas históricas indican una tasa más lenta de adquisición de sonidos y resolución de errores. Se observaron diferencias insignificantes en la precisión de las palabras y los patrones de error entre los 8 y los 12 años.
Conclusiones:
- La alta prevalencia y variabilidad de los errores del habla en niños en edad preescolar explican las frecuentes preocupaciones de los padres y la búsqueda de terapia. Los datos contemporáneos sugieren un posible retraso en el dominio del habla en comparación con hace dos décadas. Se proporciona una herramienta de evaluación con puntos de corte referenciados por edad y errores de 'señal de alerta' para guiar las derivaciones de niños en riesgo de trastornos persistentes del habla.
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