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Condition Info
ConditionName
Thalassemia
ConditionDescription
Small RBC cells, but a lot of them
Symptoms
Slow growth in children; Wide or brittle bones; Splenomegaly; Fatigue; Weakness; Pale or yellow skin; Dark urine; Poor appetite; Heart problems; Jaundice;
PhysicalFindings
ClinicalTests
Microcytic anemia; Target cells – not specific, can be liver dz; Normal iron study; Normal RDW – small but same; Most accurate test for thalassemia: electrophoresis; Most accurate test for alpha or beta thalassemia: genetic study; 3 gene deletion alpha has high reticulocytes count;
RiskFactors
IsRedFlag
IsNPLEX
Consequence
Hemochromatosis – if you give them iron; Liver dz; Joint pain; Infertility; Heart disorders; Pancreatic disorders;
ProgressionFromCondition
Alpha (4 forms) -don’t make alpha chains – African and Asian; 1 gene – everything is normal, silent carrier. Only DNA test will show problem; 2 genes – mild anemia but very microcytic (very low MCV), increase RBC; 3 genes – severe anemia, very low MCV (HbH dz); Beta- don’t make beta chains – Mediterranean; Beta – Minor, 1 gene mutated (now symptoms); Beta-Major – started after 6 months. Severe anemia, hepatosplenomegaly, jaundice;
TreatmentOptions
Transfusion with iron overload; All people with Thalassemia major have hemochromatosis and die from liver cirrhosis. To prevent it --> bone marrow transplantation. Diagnosed at 6 m old. Need Folic Acid; T.minor: may not need any treatment
PharmOptions
WebLink
https://www.merckmanuals.com/en-ca/professional/hematology-and-oncology/anemias-caused-by-hemolysis/thalassemias | https://www.aafp.org/pubs/afp/issues/2009/0815/p339.html
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