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Ferropenia

Ferropenia

Especialidad endocrinología

Ferropenia o sideropenia es la disminución del hierro en el organismo, con tasa anormalmente baja de hierro en el plasma, hematíes y depósitos de ferritina. Puede producir anemia ferropénica.

Causas

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Puede producirse por:

  1. carencia dietética
  2. alteración de la absorción
  3. aumento de las necesidades
  4. pérdida crónica de la sangre.

Valores normales de hierro

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Población mcgr/dl
Hombres 80 - 180
Mujeres 60 - 160
Niños 50-120
Niños menores de 1 año 100-250

Estadios de la ferropenia

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Latentes Sin anemia Anemia ferropriva
Síntomas No hay síntomas Funcionales Sí hay síntomas
Hemoglobina Normal Normal Anemia
Ferritina Sérica baja baja baja
Sideroblastos baja baja baja
Sideremia Normal baja baja
CST (x) Normal baja baja
CTS (y) Normal alta alta
PEL (z) Normal alta alta

CST (x) = coeficiente de saturación de la transferrina

CTS (y) = transferrina=capacidad total de saturación de la transferrina

PEL (z)= protoporfirina eritrocitaria

Enlaces externos

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Ferropenia
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