Delta-beta thalassemia

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Delta-beta thalassemia
Delta-beta thalassemia
Synonyms N/A
Pronounce N/A
Specialty N/A
Symptoms Anemia, jaundice, hepatosplenomegaly
Complications Iron overload, heart failure, growth retardation
Onset Infancy or childhood
Duration Lifelong
Types Homozygous, Heterozygous
Causes Genetic mutation in HBB and HBD genes
Risks Family history
Diagnosis Complete blood count, hemoglobin electrophoresis, genetic testing
Differential diagnosis Beta thalassemia, sickle cell disease, hereditary spherocytosis
Prevention Genetic counseling
Treatment Blood transfusion, iron chelation therapy, bone marrow transplant
Medication N/A
Prognosis Varies, dependent on severity and treatment
Frequency Rare
Deaths N/A


Delta-beta thalassemia

Delta-beta thalassemia is a form of thalassemia, a group of inherited blood disorders that affect the body's ability to produce hemoglobin and red blood cells. Delta-beta thalassemia is caused by mutations in the HBB gene and is inherited in an autosomal recessive manner.

Symptoms[edit | edit source]

The symptoms of delta-beta thalassemia can vary greatly from person to person. Some people may have no symptoms or only mild anemia, while others may have severe anemia and other health problems. Symptoms can include fatigue, weakness, pale skin, and shortness of breath.

Causes[edit | edit source]

Delta-beta thalassemia is caused by mutations in the HBB gene. This gene provides instructions for making a protein called beta-globin, which is a component of hemoglobin. Mutations in the HBB gene disrupt the normal production of hemoglobin, leading to a shortage of red blood cells and anemia.

Diagnosis[edit | edit source]

Delta-beta thalassemia is diagnosed through a combination of blood tests, genetic testing, and sometimes bone marrow examination. Blood tests can reveal anemia and abnormal hemoglobin. Genetic testing can identify mutations in the HBB gene.

Treatment[edit | edit source]

There is currently no cure for delta-beta thalassemia. Treatment is aimed at managing symptoms and preventing complications. This can include regular blood transfusions, iron chelation therapy to remove excess iron from the body, and other supportive treatments.

Prognosis[edit | edit source]

The prognosis for individuals with delta-beta thalassemia varies depending on the severity of the condition. Some people may have a normal lifespan with no symptoms, while others may have severe anemia and other health problems that can affect their quality of life.

See also[edit | edit source]

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Contributors: Prab R. Tumpati, MD