Thalassemia: An Inherited Condition. Symptoms, Challenges, and Treatment

Genetic diseases represent a significant challenge for public and individual health. Thalassemia is one of the many genetic diseases that affect the body’s ability to optimally perform the usual processes in a healthy body. It is a blood disorder, caused by genetic mutations inherited from parents, and can range from mild to severe forms, requiring complex and constant medical care. From symptoms to diagnosis and then to treatment, thalassemia is a disease that requires an integrated approach, so that the patient’s quality of life is affected as little as possible.

Thalassemia: What it is and How it Affects the Body

As a disease, thalassemia requires a good understanding to be correctly identified and then managed. Correctly identifying the type and severity of the disease is crucial for starting appropriate treatment and for properly managing symptoms.

What is Thalassemia?

Thalassemia is a genetic blood disorder characterized by insufficient or abnormal production of hemoglobin – the protein in red blood cells responsible for oxygen transport. It can have a wide variety of clinical manifestations, from mild, asymptomatic forms to severe forms requiring intensive treatment.

Thalassemia – What does this condition actually mean for the body?

People suffering from thalassemia often have a reduced quality of life due to its widespread manifestations:

• Firstly, thalassemia causes anemia because the body cannot produce enough healthy red blood cells. Anemia leads to fatigue, weakness, and difficulty breathing.
• Secondly, the bone marrow tries to compensate for the deficient red blood cell production, which can lead to bone deformities.
• Due to the effort to filter defective red blood cells, the spleen enlarges, which can lead to splenomegaly.
• Treatment for severe thalassemia includes regular blood transfusions, which can lead to iron accumulation in the body, affecting organs such as the heart and liver.

For all these reasons, patients with thalassemia require regular medical monitoring. This way, hemoglobin levels, organ status, and any associated complications, such as their overuse due to iron deposits, will be constantly evaluated.

Thalassemia: Diagnosis and Prevention

As a blood disorder, thalassemia is diagnosed through blood tests, including a complete blood count and hemoglobin electrophoresis. Furthermore, genetic tests can confirm the specific type of thalassemia.

• A complete blood count analyzes the number and size of red blood cells, hemoglobin, and other blood components. People with thalassemia usually have a reduced number of red blood cells and low hemoglobin.
• Hemoglobin electrophoresis separates the different types of hemoglobin in the blood. It can also identify abnormal forms of hemoglobin characteristic of thalassemia.
• Genetic tests confirm the presence of specific gene mutations that cause thalassemia. They can be useful in diagnosing the exact type of thalassemia and in genetic counseling.
• There is also a blood smear, which involves microscopic examination of blood elements to observe the shape and size of red blood cells. Affected red blood cells are often smaller and paler than normal ones.

Prevention of Thalassemia

Since thalassemia is a genetic disorder, its prevention involves genetic counseling and prenatal screening measures.

1. Genetic counseling is recommended for couples at increased risk of transmitting thalassemia to their children – specifically where there is a family history of thalassemia. A genetic counselor can provide valuable information about transmission risks and available options for their prevention.
2. Prenatal tests, such as amniocentesis or chorionic villus sampling (CVS), can detect thalassemia in the early stages of pregnancy. These tests analyze the fetus’s genetic material to identify mutations associated with thalassemia.
3. Carrier screening: Blood tests can also be performed to detect carriers of thalassemia genes, thus identifying individuals who are healthy carriers of the genetic mutations. Carrier screening is particularly important in communities with a high prevalence of thalassemia and for couples planning to have children.
4. Preimplantation diagnosis (PGD). In cases of in vitro fertilization (IVF), this can be used to test embryos for thalassemia before implantation, thus selecting only healthy ones.

Early and accurate diagnosis of thalassemia is essential for effective disease management. In addition, its prevention through genetic counseling and screening is crucial to reduce its incidence in the population. With proper monitoring and treatment, individuals with thalassemia can lead relatively normal lives.

Aronia is rich in antioxidants, especially polyphenols and anthocyanins, which help protect cells against oxidative stress. Thus, Aronia juice can reduce oxidative damage caused by iron overload, being a beneficial supplement in case of thalassemia. Additionally, compounds in aronia have anti-inflammatory properties, which can help reduce chronic inflammation – a common factor in thalassemia. The product is made by cold pressing, exclusively from fresh fruits, without sugar, water, preservatives, flavorings, or additives, making it suitable for almost anyone to consume.

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Thalassemia: Alpha, Beta, and Other Types

There are several types of thalassemia, but the most common are alpha thalassemia and beta thalassemia, which refer to deficiencies in the alpha and beta globin chains of hemoglobin. Alpha thalassemia is caused by mutations in the HBA1 and HBA2 genes in the alpha globin chains, while beta thalassemia involves the HBB gene in the beta globin chains.

Alpha Thalassemia – Severity Depends on the Number of Affected Genes

When a person inherits one or two defective genes, they have minor alpha thalassemia. They usually present no symptoms or very mild ones. When three of the inherited genes are defective, it is discussed as major alpha thalassemia, also known as Hemoglobin H disease. In this case, symptoms range from moderate to severe. When all four alpha genes are defective, the condition is called fetal hydrops. This rather rare form is extremely severe and usually lethal before or immediately after birth.

Beta Thalassemia: Symptoms and Causes

Heterozygous beta thalassemia – or minor – is when a person inherits a single defective gene and shows no significant symptoms. If two defective genes are inherited and symptoms are moderate, it is intermediate thalassemia. In cases where the two inherited defective genes are severely affected, so are the symptoms, with their onset occurring a few months after birth. This last form is known as Cooley’s anemia.

Rare Forms of Thalassemia

In addition to these, there are also some rarer types. Delta-Beta thalassemia, for example, is caused by mutations in the delta and beta globin genes and is particularly common in Mediterranean regions. Lepore thalassemia is caused by a complex mutation involving the gamma, delta, and beta globin genes. It is rare and has variable clinical manifestations, from mild to severe forms. Thalassemia E is caused by mutations in the E globin genes and occurs frequently in parts of Southeast Asia. There is also a form called Pentalfa, rare and severe, in which all four alpha genes are affected by mutations. It is associated with very severe anemia requiring prompt and intensive treatment.

Accurate diagnosis and appropriate management of these conditions, in all cases, require consultation with a hematologist or geneticist specializing in hereditary blood disorders. After a comprehensive examination and specific tests, they will be able to correctly diagnose the disease.

Thalassemia: Characteristic Symptoms

Thalassemia symptoms vary depending on the type and severity of the disease. Generally, it is asymptomatic in mild forms and can cause severe symptoms and complications in more severe forms.

Thus, the most common symptoms are:

• anemia;
• paleness;
• jaundice (yellowing of the skin and whites of the eyes);
• enlarged spleen;
• bone deformities, especially of the skull;
• extreme fatigue and weakness;
• frequent infections;
• heart and respiratory problems due to severe anemia.

Thalassemia in Pregnancy

Thalassemia during pregnancy requires special attention due to the associated risks for both the mother and the fetus. Adequate management is essential to ensure a safe and healthy pregnancy.

For the mother, major thalassemia can worsen anemia, increasing the risk of extreme fatigue and cardiovascular complications. Additionally, pregnancy increases blood volume and can strain the heart, especially in the presence of severe anemia.

Regarding the fetus, severe maternal anemia can lead to placental insufficiency, affecting the baby’s growth and development. If both parents are carriers of thalassemia genes, there is an increased risk that the fetus will inherit major or intermediate thalassemia.

With proper care and planning, many women with thalassemia can have a successful pregnancy. However, management must occur before pregnancy, through genetic counseling, during pregnancy, through close monitoring and specific therapies, and after birth through postpartum management.

Forbidden Foods in Thalassemia – A Manageable Disease

Managing thalassemia involves not only medical treatments but also special attention to diet. Individuals with thalassemia, especially those receiving regular blood transfusions, may develop iron overload (hemochromatosis). This can lead to serious complications, affecting organs like the heart and liver.

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Thalassemia: Iron Should Be Kept at Bay

Consequently, certain foods and substances should be limited or completely avoided to control iron levels in the body:

• red meat: beef, lamb, pork;
• fish (especially tuna) and shellfish, oysters, or sardines;
• iron-fortified products: breakfast cereals, energy bars, or iron-enriched bread;
• iron-rich vegetables: spinach, kale, broccoli, cabbage, and legumes such as lentils, beans, and peas;
• raisins, apricots, prunes, and other dried fruits are also high in iron and should be consumed in moderation.

Last but not least, alcohol can affect liver function and worsen complications associated with iron overload, which is why it should also be avoided.

Treatment for Thalassemia

Thalassemia treatment varies depending on the severity of the disease. In mild cases, no treatment may be necessary. However, in severe cases, it may include:

• regular blood transfusions;
• chelation therapy, to remove excess iron;
• folic acid therapy;
• bone marrow or stem cell transplant, which is believed to offer a potential cure.

This is why thalassemia is a complex disease that requires continuous monitoring and treatment to manage its symptoms and associated complications.

Aronia juice is rich in vitamins, especially vitamin C, thus supporting the immune system and helping to fight infections, a high risk in thalassemia. However, since vitamin C increases iron absorption from food, consumption should not exceed the daily dose recommended by the doctor. These superfruits have incredible benefits for over 100 conditions, and the juice obtained from their cold pressing is an easy-to-integrate product into the daily diet, becoming an ally in maintaining health. It can also be used for gargling, both in the morning and in the evening, to inactivate viruses and prevent their establishment in the body, thus having a strong antiviral effect.

Thalassemia in Children: Specific Causes and Manifestations

Photo credit: aronia-charlottenburg.com

As a genetic disease, thalassemia can affect people of all ages. Since it is transmitted in an autosomal recessive manner, a child must inherit a defective copy of the gene from each parent to develop the severe form of the disease.

Thalassemia: Signs and Symptoms in Children

Manifestations of thalassemia in children can range from mild, almost asymptomatic forms to severe forms requiring intensive treatment. As with adults, minor or heterozygous alpha thalassemia is usually asymptomatic, while Hemoglobin H disease or intermediate beta form present moderate symptoms. The most severe is fetal hydrops, which can be lethal, accompanied by edema (fluid accumulation in various parts of the body), severe anemia, and heart failure. Cooley’s disease is also concerning because it is indicated by severe anemia appearing a few months after birth, extreme fatigue, paleness, heart problems, and frequent infections – obviously serious symptoms.

Growth and Development Problems for Children with Thalassemia

One of the main problems in thalassemia in children is that it causes developmental delays and growth disorders. Children with thalassemia may have a poor appetite and nutrient absorption problems. The main cause of these is digestive complications or long-term treatments, such as chelation therapy, intended to manage iron accumulation. Additionally, thalassemia can affect endocrine glands, such as the pituitary gland, which plays a crucial role in regulating growth and development. However, with a comprehensive approach, children can have a better chance of reaching their full growth and development potential.

Genetic diseases, the category to which thalassemia belongs, require a combination of early diagnosis, access to effective treatments, emotional support, and continuous education. With adequate care and management, negative effects can be reduced, allowing patients to lead active lives as close to normal as possible. Together, regular monitoring, medical treatments, and lifestyle adjustments contribute to supporting the body in its fight against thalassemia.

References:

https://www.medicalnewstoday.com/articles/263489

https://www.healthline.com/health/thalassemia

https://www.webmd.com/a-to-z-guides/what-is-thalassemia

https://www.healthdirect.gov.au/thalassaemia

https://www.medicalnewstoday.com/articles/pediatric-thalassemia