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Thalassemia Major: Chronic Transfusion Therapy and Iron Chelation

Lifelong management of beta-thalassemia major with regular transfusions and iron management

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.

References (5)

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

What is Thalassemia Major: Chronic Transfusion Therapy and Iron Chelation?

Beta-thalassemia major caused by absence or severe deficiency of beta-globin chain production due to mutations in HBB gene.

Severe ineffective erythropoiesis and hemolysis result in profound anemia requiring transfusion support typically starting before age 2.

Chronic transfusion therapy aims to maintain hemoglobin above 9-10 g/dL preventing complications of severe anemia.

Iron overload from transfusional iron and increased gastrointestinal absorption causes multi-organ damage.

Iron chelation therapy with deferoxamine, deferasirox or deferiprone prevents iron-related complications.

Symptoms

Severe anemia with pallor, fatigue, growth failure and developmental delay if inadequately treated.
Splenomegaly often massive requiring eventual splenectomy in some patients.
Iron overload manifestations including cardiomyopathy, hepatic dysfunction, endocrinopathies and skin pigmentation.
Endocrine complications including hypogonadism, growth hormone deficiency, diabetes, hypothyroidism and hypoparathyroidism.
Bone disease with osteoporosis and fragility fractures from chronic anemia and iron-related effects.

Risk Factors

Mediterranean, Middle Eastern, North African, Indian and Southeast Asian ethnic backgrounds with higher carrier rates.
Consanguineous marriages increase homozygous mutation prevalence.
Inadequate prenatal screening and counseling in some populations.
Genetic mutations affecting beta-globin gene with diverse phenotypic expressions.
Hepatitis C and HIV infections from transfusion exposure though risk substantially reduced with modern screening.

When to See a Doctor?

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

  • Newly diagnosed thalassemia major requires immediate hematology referral for transfusion and care planning.
  • Cardiac symptoms including dyspnea, palpitations or peripheral edema require cardiology evaluation given iron-related cardiomyopathy risk.
  • Endocrine symptoms (delayed puberty, polyuria, fatigue) require endocrinology assessment.
  • Bone pain or fractures require bone health evaluation and management.
  • Family planning and prenatal screening discussions require comprehensive genetic counseling.

Treatment Methods

01
Regular transfusion therapy every 3-4 weeks with leukoreduced and phenotypically matched blood.
02
Iron chelation therapy initiated after sufficient transfusion exposure with monitoring of ferritin, MRI iron quantification and clinical assessment.
03
Endocrine evaluation and treatment with hormone replacement as indicated.
04
Hematopoietic stem cell transplantation curative for selected patients with matched donors.
05
Comprehensive multidisciplinary care including hematology, cardiology, endocrinology, hepatology, orthopedics, psychology along with consideration of emerging gene therapy approaches (betibeglogene autotemcel), splenectomy in selected patients, vaccination, family planning and patient education optimizes long-term outcomes for this chronic disorder.

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.