Aplastic anaemia in children is a rare bone marrow disorder in which the body does not produce enough blood cells. It may cause persistent tiredness, pale skin, frequent infections, easy bruising and unusual bleeding. Diagnosis typically involves blood tests and a bone marrow examination, along with additional tests to identify the underlying cause. Treatment depends on the severity and may include supportive care, medicines, immunosuppressive therapy or stem cell transplant.
Aplastic anaemia is rare, affecting about 2 children per million each year in North America and Europe. The incidence is reported to be 2–3 times higher in Asia.
But what makes this condition important for parents to recognise? Aplastic anaemia occurs when the bone marrow does not make enough new blood cells. This can lead to unusual tiredness, frequent infections, pale skin and easy bruising or bleeding.
Understanding the early symptoms, causes and diagnosis can help parents recognise possible warning signs and seek medical care promptly.
Aplastic anaemia is a type of bone marrow failure disorder. The bone marrow is the soft tissue inside bones where new blood cells are made.
Normally, the bone marrow produces three main types of blood cells:
In aplastic anaemia, the bone marrow does not produce enough of these cells. As a result, the child may have low levels of red blood cells, white blood cells and platelets.
The condition can develop suddenly or gradually. It may be mild or severe, depending on how low the blood cell counts are.
The aplastic anaemia symptoms depend on which blood cells are low. Some children may initially seem tired or look pale. Others may develop repeated infections or unusual bleeding.
Common warning signs include:
When red blood cell levels are low, the body may not receive enough oxygen. This can cause:
White blood cells help the body fight infections. When their numbers are low, children may develop:
Platelets help blood clot normally. A low platelet count may cause:
A child does not need to have all these symptoms. The signs can vary depending on how severe the condition is and which blood cell counts are affected.
Persistent tiredness, repeated infections or unusual bleeding should be evaluated by a paediatrician or paediatric haematologist.
The exact cause cannot always be identified. When no specific cause is found, it is called acquired aplastic anaemia. In some children, the immune system mistakenly attacks the bone marrow and prevents it from producing blood cells normally.
Possible aplastic anaemia causes include:
Some children are born with inherited conditions that can cause bone marrow failure. These conditions can sometimes look similar to acquired aplastic anaemia.
This is why doctors may need detailed medical, family and genetic information before confirming the diagnosis.
Aplastic anaemia can occur in children without any obvious risk factor. Possible factors associated with bone marrow failure include:
Having one of these risk factors does not mean that a child will develop aplastic anaemia.
An aplastic anaemia diagnosis involves blood tests and an examination of the bone marrow. Doctors also need to rule out other conditions that can cause low blood cell counts.
The evaluation may include:
Depending on the child's symptoms and medical history, doctors may recommend:
These tests can help identify the cause and rule out other conditions that may look similar.
Aplastic anaemia treatment depends on the severity of the condition, the child's age and overall health, the cause of the disease and whether a suitable stem cell donor is available. Treatment may include supportive care, medicines or a stem cell transplant.
Supportive treatment helps manage symptoms and complications while the underlying condition is being treated.
It may include:
Children with very low blood counts may need close monitoring by a specialist team.
If the immune system is attacking the bone marrow, medicines that suppress this immune response may be used. The aim is to reduce the immune attack and allow the bone marrow to start producing blood cells again.
This treatment is usually considered when a child does not have a suitable stem cell donor or when a transplant is not the preferred option.
A stem cell transplant, sometimes called a bone marrow transplant, can replace the damaged blood-forming cells with healthy stem cells.
For some children with severe aplastic anaemia, particularly those who have a suitable matched donor, a stem cell transplant may offer the possibility of long-term recovery.
The decision depends on several factors, including the child's age, severity of disease, general health and donor availability.
Some children may receive medicines that stimulate blood cell production or are used as part of their overall treatment plan.
The treatment is carefully selected by a paediatric haematology team based on the child's individual condition.
A bone marrow or stem cell transplant may be considered for children with severe aplastic anaemia, particularly when a suitable matched donor is available.
It may also be considered when the condition does not respond adequately to other treatments.
A transplant is a major treatment and carries potential risks, including infections and complications related to the donor cells. The child's specialist team will discuss the potential benefits and risks with the family before treatment.
Aplastic anaemia management requires regular monitoring because blood counts can change over time.
A child's care may include:
Families may also receive guidance on fever, bleeding and other symptoms that require urgent medical attention. Treatment can be emotionally and physically demanding for children and their families. Emotional support and age-appropriate counselling can also be an important part of care.
Not all cases of aplastic anaemia can be prevented. Many cases occur without a known cause, and some are linked to inherited or immune-related conditions.
However, avoiding unnecessary exposure to toxic chemicals and taking medicines only as prescribed may help reduce certain risks.
If a child has an inherited condition associated with bone marrow failure, regular specialist monitoring can help identify blood count changes early.
Aplastic anaemia can be treated, and some children can achieve long-term recovery. The chance of recovery depends on the cause, severity, age, overall health and response to treatment.
Some children respond well to medicines, while others may benefit from a stem cell transplant.
Because every child is different, treatment should be planned by a paediatric haematology team after a detailed evaluation.
Aplastic anaemia in children is a serious but treatable bone marrow disorder. Early diagnosis helps doctors understand its cause and choose the right treatment. If a child has persistent tiredness, repeated infections, unusual bruising or bleeding, timely medical evaluation is important.
No. Aplastic anaemia is not a blood cancer. It is a bone marrow failure disorder in which the bone marrow does not produce enough blood cells.
However, its symptoms can sometimes overlap with other blood disorders. Proper testing is needed to identify the cause of low blood counts.
Bone marrow failure can have several causes. These include inherited genetic conditions, immune system problems, certain medicines, infections, exposure to some chemicals or radiation and other medical conditions.
Sometimes, doctors cannot identify a specific cause.
Both conditions can cause tiredness and weakness, but they affect blood production differently.
Iron deficiency anaemia happens when the body does not have enough iron to produce healthy red blood cells. Aplastic anaemia occurs when the bone marrow does not produce enough blood cells.
Aplastic anaemia can affect red blood cells, white blood cells and platelets, while iron deficiency mainly affects red blood cell production.
Blood tests help doctors distinguish between the two conditions.
A stem cell or bone marrow transplant may be recommended for some children with severe aplastic anaemia, especially when a suitable matched donor is available.
The decision depends on the child's age, disease severity, overall health, donor availability and response to other treatments.
Some children may be able to attend school during certain stages of treatment, while others may need to stay home because of a high risk of infection or bleeding.
The decision depends on the child's blood counts, treatment and overall health. The treating team can advise when it is safe to return to school and whether additional precautions are needed.
Schools can also work with the family to support the child's education during treatment, including temporary home-based or online learning when necessary.
Untreated aplastic anaemia can cause serious complications because of very low blood cell counts. These may include:
Early diagnosis and specialist treatment are important to reduce these risks.
Written and Verified by:
-Dr.-Ruchi-Golash-(-Paediatric-Medicine-).webp&w=256&q=75)
Dr. Ruchi Golash is a Consultant in Paediatrics Dept. at CMRI Hospital, Kolkata with over 28 years of experience. She specializes in childhood malignancies, paediatric blood and liver disorders, rheumatology, and nutrition including pre-enteral feeding.
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