How Thalassemia impacts your blood

How Thalassemia impacts your blood

by Dr Sisir Patra

Posted on 2nd May, 2024 at 2:11:03 AM


Thalassemia- an inherited blood disorder that occurs when the body doesn’t make enough of hemoglobin protein. In the absence of hemoglobin, the body’s red blood cells don’t function properly and that impacts their ability to carry oxygen to the body’s organs and transport carbon dioxide from the tissues and organs back to the lungs.

Thalassaemia mainly affects people originating from South Asia, Southeast Asia, Middle Eastern origin, and Mediterranean regions.

Thalassemia Symptoms

The signs of Thalassaemia depend on the severity and type of one’s progression of the disease. Thalassemia symptoms may include slow growth, abdominal swelling, dark urine, fatigue, weakness, yellowish skin, and facial bone deformities.

Thalassemia Types

The types of Thalassaemia are subcategorised into-

Alpha or Beta Thalassaemia

Our hemoglobin comprises two components- alpha and beta.  In the case of thalassemia, the hemoglobin lacks either alpha or beta. Alpha thalassemia refers to a low level of alpha.

Beta thalassemia is a disorder characterized by abnormally low beta levels.

The degree of thalassemia (trait, carrier, intermedia, or major)

A person who has thalassemia trait may not show any symptoms or may show minor anemia signs. A thalassemia major person may show signs of severe symptoms requiring regular blood transfusions.

Thalassaemia and Anaemia

Red blood cells transport oxygen to all of our body’s cells, enabling them to function properly. In the absence of healthy red blood cells, the supply of oxygen is restricted to the cells, causing a person to feel tired, weak, and experiencing shortness of breath. This condition is called anemia.

Mild or severe anemia is common among people with thalassemia. Serious anemia can harm organs and cause death in extreme cases.

Thalassaemia and Genetics

Thalassemia characteristics are passed down from parents to children in the same way as hair color and body shape go from one generation to another. The number of thalassemia characteristics an offspring inherits from their parents determines the type of Thalassemia passed down from parent to child. If an offspring inherits a beta-thalassemia trait from his/her father and a beta-thalassemia trait from his/her mother, s/he will be born with beta-thalassemia major. S/he would have an alpha thalassemia trait if s/he got an alpha thalassemia trait from his/her mother and usual alpha parts from his/her father.

Diet for Thalassaemia

Thalassemia individuals are encouraged to consume a balanced diet. However, they need to pay extra attention to the quantity of iron they are consuming through their diet. Here are the foods they can consider-

Protein Foods

Protein is a very important ingredient for strengthening immunity, and growth. Thalassemia patients must avoid protein foods that are rich in iron. They can consider adding beans, peanut butter, eggs, yogurt, nuts, and cheese to their diet.

Consume Calcium-Rich Foods

Since most thalassemia patients have weak bones, calcium-rich foods like milk, eggs, spinach, and so on are helpful. Additionally, having enough vitamin D is vital for keeping safe from thalassemia. A ten-minute sunbath is all that is needed to fulfill the daily requirements of Vitamin D.

Add Folic Acid foods

Bananas, sweet potatoes, lentils, and beetroot can help relieve thalassemia symptoms.  This is due to folic acid in these foods, which aids in the production of more red blood cells. Thalassaemia patients need to consume two large bananas every day to get results.

Thalassemia and Pregnancy

Thalassemia is often diagnosed during pregnancy or soon after delivery. Besides, it also raises several pregnancy-related issues and impacts the development of reproductive organs. Women with Thalassemia can experience infertility issues and those planning to conceive need to keep an eye on their iron levels.

Among women with thalassemia, pregnancy carries the following risks:

  • An increased risk of infection
  • Diabetes during pregnancy
  • Problems with the heart
  • Hypothyroidism (low thyroid) – a condition where the thyroid gland is underactive.
  • An anticipated rise in the number of blood transfusions.
  • Low bone density

At 11 and 16 weeks of pregnancy, thalassemia monitoring must be done regularly by taking fluid samples from the placenta or the foetus.

Thalassemia Diagnosis

People with mild to extreme types of thalassemia face severe anaemia symptoms early in life which helps to get thalassemia diagnosed at a beginning stage. People with less serious thalassemia may only find out when they are experiencing anemia symptoms or because a doctor discovers anemia during a regular blood test or another test.

Since thalassemia is hereditary, it can run in families. Some people learn about their thalassemia from relatives who have the same disease.

Thalassemia Treatment

People who have thalassemia major or other severe forms will need medical attention for the rest of their lives.

The following are the key thalassemia treatments:

Regular blood transfusions for treating and preventing anemia required once a month in extreme cases.

Chelation therapy is a medication-assisted procedure to remove extra iron from the body that accumulates from daily blood transfusions; certain people with thalassemia develop an iron build-up even without transfusions and need treatment for this.

A stem cell or bone marrow transplant is the best way to treat thalassemia, but it’s not performed very often due to the risks involved.

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