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Patients with β-thalassemia trait should be warned that their condition can be misdiagnosed for the common Iron deficiency anemia. They should eschew empirical use of Iron therapy ; yet iron deficiency can develop during pregnancy or from chronic bleeding. [ 3 ]
β thalassemia major (Mediterranean anemia or Cooley anemia) is caused by a β o /β o genotype. No functional β chains are produced, and thus no hemoglobin A can be assembled. This is the most severe form of β-thalassemia. β thalassemia intermedia is caused by a β + /β o or β + /β + genotype. In this form, some hemoglobin A is produced.
Alpha-thalassemia (α-thalassemia, α-thalassaemia) is an inherited blood disorder and a form of thalassemia. Thalassemias are a group of inherited blood conditions which result in the impaired production of hemoglobin , the molecule that carries oxygen in the blood. [ 5 ]
Alpha thalassemia patients have partial or complete defects in alpha globin production, leading to a relative abundance of beta globin chains in the cell. These excess beta globin chains aggregate to form HbH , which has decreased solubility and precipitates in the red blood cell cytoplasm . [ 10 ]
Hemoglobin H disease, also called alpha-thalassemia intermedia, is a disease affecting hemoglobin, the oxygen carrying molecule within red blood cells. It is a form of Alpha-thalassemia which most commonly occurs due to deletion of 3 out of 4 of the α-globin genes.
Anemia experienced by some thalassemia intermedia patients are also regarded transfusion dependent. Therefore, most transfusion-dependent thalassemia patients can be diagnosed within the first few years of life, which severe anemia, differed growth, jaundice and hepatosplenomegaly can be observed. Parameters for confirmation includes baseline ...
Beta-thalassemia; Other names: Microcytemia, beta type [1] Beta thalassemia genetics, the picture shows one example of how beta thalassemia is inherited. The beta globin gene is located on chromosome 11. A child inherits two beta globin genes (one from each parent). Specialty: Hematology: Types: Thalassemia minor, intermediate and major [2] Causes
Thalassemia is an inherited blood disorder that results in abnormal hemoglobin. [26] Symptoms depend on the type of thalassemia and can vary from none to severe. Often there is mild to severe anemia (low red blood cells or hemoglobin) as thalassemia can affect the production of red blood cells and also affect how long the red blood cells live.