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Acidemia metilmalónica - Información general

Definición:

Considerada una metabolopatía congénita, es un trastorno que se transmite de padres a hijos, por el cual el cuerpo no puede descomponer ciertas proteínas y grasas, lo que da como resultado la acumulación de una sustancia llamada ácido metilmalónico en la sangre.

Causas, incidencia y factores de riesgo:

La enfermedad generalmente se diagnostica en el primer año de vida. Es un trastorno autosómico recesivo, lo cual significa que el gen defectuoso tiene que ser heredado de ambos padres.

Aproximadamente 1 de cada 25.000 a 48.000 bebés nacen con esta afección; sin embargo, la tasa real puede ser mayor, debido a que muchos recién nacidos pueden morir antes de que la enfermedad sea siquiera diagnosticada. Esta enfermedad afecta por igual a niños y niñas.

  • Fecha de revisión: 4/26/2007
  • Versión en inglés revisada por:Robert Hurd, MD, Professor of Endocrinology, Department of Biology, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.
  • Traducción y localización realizada por: DrTango, Inc

Referencias

Arn PH. Newborn screening: current status. Health Affairs. 2007; 26:559-566.

Nagarajan S, Enns GM, Millan TM, Winter S, Sarwal MM. Management of methylmalonic acidaemia by combined liver-kidney transplantation. J Inherit Metab Dis. 2005; 28(4):517-24.

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