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Secondary Transfusional Hemochromatosis

Iron overload that develops in chronically transfused patients with hematologic disorders such as thalassemia, sickle cell disease, myelodysplastic syndromes, or aplastic anemia, and that damages the liver, heart, and endocrine glands.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

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This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Dahiliye (İç Hastalıkları) department. Book Appointment →

What is Secondary Transfusional Hemochromatosis?

Each unit of red blood cells contains about 200 to 250 mg of iron, and patients receiving more than 20 units, especially without ongoing blood loss, are at risk of secondary iron overload.

Iron deposits accumulate first in the reticuloendothelial system and later in the liver, heart, anterior pituitary, pancreas, and joints, causing cirrhosis, heart failure, hypogonadism, hypothyroidism, hypoparathyroidism, and diabetes mellitus.

Monitoring includes serum ferritin trends, transferrin saturation, hepatic iron concentration on MRI, and cardiac iron quantified by MRI T2*; chelation therapy is started before clinically evident organ damage.

Symptoms

Chronic fatigue and reduced exercise tolerance
Skin hyperpigmentation (bronze diabetes)
Symptoms of heart failure, arrhythmia, or conduction disturbance
Hypogonadism, infertility, or growth retardation in children
Diabetes mellitus, hypothyroidism, or hypoparathyroidism
Hepatomegaly, abnormal liver enzymes, and progression to cirrhosis

Risk Factors

Beta-thalassemia major and intermedia
Sickle cell disease with chronic transfusion program
Myelodysplastic syndromes requiring transfusion support
Aplastic anemia and pure red cell aplasia
Hereditary hemolytic anemias and refractory anemias of chronic disease

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Patients on a chronic transfusion program with rising ferritin or transferrin saturation
  • Symptoms of heart failure or arrhythmia in a chronically transfused patient
  • New endocrine disorder or worsening glucose control in a transfusion-dependent patient
  • Liver enzyme abnormalities or hepatomegaly in transfused patients with hematologic disease

Treatment Methods

01
Serum ferritin and MRI T2* assessment of liver and cardiac iron at regular intervals
02
Iron chelation with deferoxamine, deferiprone, or deferasirox individualized by organ involvement and age
03
Combination chelation in severe cardiac iron loading and intensive cardiac monitoring
04
Transfusion strategy optimization to reduce avoidable iron load
05
Multidisciplinary endocrine, cardiology, and hepatology follow-up to detect and treat organ-specific complications

Which Department to Visit?

You can visit our Dahiliye (İç Hastalıkları) department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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