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Efecto de la terapia intensiva en las complicaciones microvasculares de la diabetes mellitus tipo 1
JAMA
|May 22, 2002
Resumen
El tratamiento intensivo para la diabetes tipo 1 reduce significativamente las complicaciones microvasculares como la retinopatía y la nefropatía. Estos beneficios persisten a largo plazo, incluso cuando las diferencias en el control del azúcar en la sangre se reducen con el tiempo.
Área de la Ciencia:
- Endocrinología Endocrinología.
- La medicina clínica es la medicina clínica.
- Diabetología Diabetología.
Sus antecedentes:
- El manejo de la diabetes mellitus tipo 1 (DMT1) requiere equilibrar el control glucémico con los riesgos de complicaciones.
- El Diabetes Control and Complications Trial (DCCT) estableció los beneficios del control glucémico intensivo.
Objetivo del estudio:
- Para integrar los hallazgos del DCCT y su estudio de seguimiento, Epidemiología de las intervenciones y complicaciones de la diabetes (EDIC).
- Evaluar los efectos a largo plazo del tratamiento intensivo sobre las complicaciones microvasculares en la DM1T.
Principales métodos:
- Análisis de los datos del ensayo controlado aleatorio DCCT y el posterior estudio observacional EDIC.
- Comparación de las tasas de complicaciones microvasculares entre los grupos de tratamiento intensivo y convencional.
Principales resultados:
- El tratamiento intensivo redujo los riesgos de retinopatía, nefropatía y neuropatía en un 35-90% en comparación con la terapia convencional.
- La reducción del riesgo fue proporcional a los niveles medios de hemoglobina glucosilada (HbA1c) y más efectiva cuando se inició temprano.
- Se observaron beneficios a largo plazo en el estudio EDIC, con una reducción de la progresión de las complicaciones en el grupo de tratamiento intensivo anterior, a pesar de reducir las diferencias de control glucémico.
Conclusiones:
- El control glucémico intensivo temprano y sostenido en la DMT1 produce reducciones duraderas en las complicaciones microvasculares.
- Se recomienda un nivel objetivo de HbA1c de 7.0% o menos para las personas con DM1T.
- Las ventajas del tratamiento intensivo se extienden más allá del período de tratamiento activo.
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