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Diagnosis of transfusion dependent anemia is challenging because this anemia is caused by multiple diseases. [12] Therefore, other than diagnosing anemias that require transfusion, diagnosis for the two main causes (beta-thalassemia and myelodysplastic syndromes) of transfusion dependent anemia is also important. [citation needed]
The packed cells are typically used in anemia that is either causing symptoms or when the hemoglobin is less than usually 70–80 g/L (7–8 g/dL). [1] [2] [3] In adults, one unit brings up hemoglobin levels by about 10 g/L (1 g/dL). [4] [5] Repeated transfusions may be required in people receiving cancer chemotherapy or who have hemoglobin ...
A 2013 study of over 400,000 people admitted to US hospitals found that 74% developed anemia at some point during their hospital stay. [5] Iatrogenic anemia is of particular concern in intensive care medicine, [6]: 629 because people who are critically ill require frequent blood tests and have a higher risk of developing anemia due to lower hemoglobin levels and impaired production of red ...
Transfusion dependent anemia is a form of anemia where ongoing blood transfusion are required. [89] Most people with myelodysplastic syndrome develop this state at some point in time. [90] Beta thalassemia may also result in transfusion dependence. [91] [92] Concerns from repeated blood transfusions include iron overload. [90]
Long-term transfusion therapy (in those with transfusion dependent beta thalassemia) is a treatment used to maintain hemoglobin levels at a target pre-transfusion hemoglobin level of 9–10.5 g/dL (11–12 g/dL in those with concomitant heart disease). [8] To ensure quality blood transfusions, the packed red blood cells should be leucoreduced.
TDT requires regular transfusions, typically every two to five weeks. TDTs include Beta-thalassemia major, nondeletional HbH disease, survived Hb Bart's disease, and severe HbE/beta-thalassemia. NTDT does not need regular transfusions but may require transfusion in case of an anemia crisis. [8] Thalassemias are genetic disorders. [2]
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