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Hierro sérico

• Información general
• Riesgos
• Resultados

Nombres alternativos:

Fe+2; Ión férrico; Fe++; Ión ferroso; Hierro en suero

Valores normales:

• Hierro: 60 a 170 mcg/dl
• Capacidad total de fijación del hierro (TIBC) : 240 a 450 mcg/dl
• Saturación de transferrina: 20-50%

Nota: mcg/dl = microgramos por decilitro.

Significado de los resultados anormales:

Los niveles superiores a los normales pueden significar:

• Hemocromatosis
• Hemólisis
• Anemias hemolíticas
• Hemosiderosis
• Muerte del tejido hepático ( necrosis hepática)
• Hepatitis
• Deficiencia de vitamina B12 y de vitamina B6
• Intoxicación con hierro
• Múltiples transfusiones de sangre

Los niveles inferiores a los normales pueden significar:

• Sangrado gastrointestinal crónico
• Sangrado menstrual abundante y crónico
• Absorción insuficiente de hierro
• Hierro insuficiente en la dieta
• Embarazo

Otras afecciones bajo las que se puede realizar el examen:

• Anemia por enfermedad crónica

Referencias:

Heeney MM, Andrews NC. Iron homeostasis and inherited iron overload disorders: an overview. Hematol Oncol Clin North Am . December 2004;18:1379-1403.

Pieracci FM, Barie PS. Diagnosis and management of iron-related anemias in critical illness. Crit Care Med . July 2006;34:1898-1905.

• Fecha de revisión: 3/13/2007
• Versión en inglés revisada por: Mark Levin, M.D., Hematologist and Oncologist, Newark, NJ. Review provided by VeriMed Healthcare Network.
• Traducción y localización realizada por: DrTango, Inc.

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