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Asma intermitente y riesgo de exacerbación grave en niños
Shahid Sheikh1, Mariah Eisner2, Wheaton Kelin3
1Department of Pediatrics, Ohio State University College of Medicine, Columbus, Ohio, USA; Division of Pulmonary Medicine, Columbus, Ohio, USA; Nationwide Children's Hospital, Columbus, Ohio, USA.
Chest
|August 29, 2025
Resumen
Un subgrupo de pacientes con asma leve tiene un riesgo muy bajo de exacerbaciones graves. Es posible que las directrices actuales de la GINA no sean necesarias o rentables para este grupo de bajo riesgo.
Área de la Ciencia:
- Pulmonología pediátrica
- Tratamiento del asma
- Salud pública
Sus antecedentes:
- Las directrices actuales de la GINA recomiendan no usar beta-agonistas de acción corta (SABA) solos para el asma leve debido a los riesgos de exacerbación severa.
- No está claro si todos los pacientes con asma leve comparten el mismo riesgo de exacerbaciones graves.
Objetivo del estudio:
- Identificar si un subgrupo específico de pacientes con asma leve presenta un riesgo muy bajo de exacerbaciones graves del asma.
- Evaluar la rentabilidad de las directrices actuales de tratamiento para este subgrupo de bajo riesgo identificado.
Principales métodos:
- Se identificó una cohorte de niños de 2 a 18 años con asma intermitente a partir de los datos de reclamos de Medicaid de Ohio durante tres años.
- Se definió un grupo de bajo riesgo basado en la administración de la cápsula de SABA en los dos primeros años.
- En el tercer año se compararon los riesgos de exacerbación grave del asma entre el grupo de bajo riesgo y el resto de la cohorte.
Principales resultados:
- 13.208 pacientes cumplieron con los criterios de inclusión. El grupo de bajo riesgo (3.935 pacientes) tuvo tasas significativamente más bajas de hospitalización (0,08%) y de visitas a ED/UC (0,97%/0,55%) con 0 a 2 recipientes de SABA/ año.
- El riesgo relativo de hospitalización fue de 0,17 (IC 95%: 0,06, 0,52) y la exacerbación grave fue de 0,18 (IC 95%: 0,13, 0,27) en el grupo de bajo riesgo en comparación con los pacientes de alto riesgo.
- La prevención de una hospitalización en la cohorte de bajo riesgo requirió el tratamiento de 5.535 pacientes, costando $ 779.716 por hospitalización prevenida con terapia ICS.
Conclusiones:
- Existe un subgrupo de pacientes con asma leve con un riesgo manifiestamente menor de hospitalización y exacerbaciones graves.
- Las recomendaciones actuales de tratamiento de primer paso de GINA pueden ser innecesarias y no rentables para esta población de bajo riesgo identificada.
- Se justifica una mayor investigación sobre las estrategias personalizadas de manejo del asma basadas en la estratificación del riesgo.
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