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¿Debería la inmunoglobulina anti-D administrarse antes del parto?
Lancet (London, England)
|August 30, 1980
Resumen
La enfermedad Rh-hemolítica puede prevenirse en el 50% de las madres Rh-negativas mediante la administración de inmunoglobulina anti-D después del parto. La prevención adicional requiere tratamiento prenatal, pero la baja mortalidad perinatal británica actual hace que el tratamiento prenatal universal no sea rentable.
Área de la Ciencia:
- Inmunología Inmunología.
- Obstetrías y Obstetricia.
- Perinatología Perinatología.
Sus antecedentes:
- La enfermedad Rh-hemolítica del recién nacido (HDFN) es una condición grave.
- La sensibilización ocurre cuando las madres Rh-negativas están expuestas a sangre fetal Rh-positiva.
- Las medidas preventivas como la inmunoglobulina anti-D (Ig) han reducido significativamente la incidencia de HDFN.
Objetivo del estudio:
- Evaluar la efectividad de los actuales protocolos anti-D Ig en la prevención de la sensibilización Rh.
- Para evaluar el impacto potencial de la administración prenatal de anti-D Ig.
- Para determinar la rentabilidad del anti-D Ig prenatal universal en Gran Bretaña.
Principales métodos:
- Encuesta a 246 mujeres embarazadas Rh negativo con anticuerpos Rh por primera vez.
- Análisis del tiempo de sensibilización (postparto frente al prenatal).
- Evaluación de los datos de mortalidad y morbilidad perinatal en Gran Bretaña.
Principales resultados:
- Aproximadamente el 50% de la sensibilización podría haberse evitado con anti-D Ig posparto después de un parto anterior Rh positivo.
- El resto de la sensibilización requirió la administración prenatal de anti-D Ig.
- La baja mortalidad perinatal actual de HDFN en Gran Bretaña hace que el anti-D Ig prenatal universal no sea rentable.
Conclusiones:
- La administración posparto de anti-D Ig es crucial y puede prevenir la sensibilización en aproximadamente el 50% de los casos.
- El anti-D Ig prenatal es necesario para prevenir la sensibilización en otros casos.
- El anti-D Ig postparto dirigido para todas las madres Rh-negativas con bebés Rh-positivos/abortos es la estrategia más efectiva para reducir los casos restantes.
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