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Síndrome nefrótico en la infancia
Allison A Eddy1, Jordan M Symons
1Department of Pediatrics, University of Washington, Children's Hospital and Regional Medical Center, Seattle, WA 98105, USA. allison.eddy@seattlechildrens.org
Lancet (London, England)
|August 29, 2003
Resumen
Los síndromes nefróticos infantiles, principalmente el síndrome nefrótico de cambio mínimo y la glomerulosclerosis segmental focal, a menudo se derivan de causas desconocidas pero involucran disfunción podocítica. El tratamiento implica corticosteroides, con pronósticos variables basados en la respuesta a los esteroides.
Área de la Ciencia:
- Nefrología Pediátrica.
- Enfermedades glomerulares Las enfermedades glomerulares.
- Inmunología Inmunología.
Sus antecedentes:
- El síndrome nefrótico infantil se presenta comúnmente como síndrome nefrótico de cambio mínimo (MCNS) o glomerulosclerosis segmental focal (FSGS).
- Las causas raras incluyen trastornos genéticos, toxicidad por medicamentos, infecciones y neoplasia.
- Se supone que el síndrome nefrótico idiopático implica una disfunción de las células T que afecta a los podocitos glomerulares.
Objetivo del estudio:
- Revisar las causas, la patogénesis y el manejo de los síndromes nefróticos infantiles.
- Para resaltar la importancia pronóstica de la respuesta a los esteroides sobre la histología renal.
- Para discutir las complicaciones y las direcciones actuales de investigación.
Principales métodos:
- Revisión de la literatura sobre los síndromes nefróticos idiopáticos en niños.
- Análisis de estudios genéticos que implican mutaciones en las proteínas de los podocitos.
- Resumen de las estrategias de tratamiento actuales y su eficacia.
Principales resultados:
- La respuesta a los esteroides es un factor pronóstico clave en el síndrome nefrótico idiopático.
- Las terapias de segunda línea como los agentes alquiladores y los inhibidores de la calcineurina se utilizan para los casos refractarios.
- Las complicaciones incluyen infecciones y tromboembolismo; FSGS refractario a menudo conduce a la enfermedad renal en etapa terminal.
Conclusiones:
- Los síndromes nefróticos infantiles requieren un manejo personalizado basado en la histología y la respuesta a esteroides.
- Se necesita más investigación para comprender la patogénesis molecular y mejorar el tratamiento.
- La identificación temprana y el manejo de las complicaciones son cruciales para los resultados de los pacientes.
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