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  • Title: Hemoglobin H disease in children.
    Author: Wongchanchailert M, Laosombat V, Maipang M.
    Journal: J Med Assoc Thai; 1992 Nov; 75(11):611-8. PubMed ID: 1307383.
    Abstract:
    One hundred and ten children with hemoglobin H (Hb H) disease who attended the hematology unit of the Department of Pediatrics at Songklanagarind Hospital from 1982 to 1988 were studied. Hb Constant spring (Hb CS) was found in 55 patients. Four patients, two with Hb CS, were diagnosed during the newborn period. Anemia and jaundice were the main symptoms in three neonates, while the fourth one was found to have anemia with hepatosplenomegaly. Nine infants were diagnosed in the first year of life with the chief symptoms of anemia with or without fever. Two of them needed blood transfusions. Hb H was found in only three infants, while Hb Bart's was the constant finding in every infant. The Hb H children with Hb CS had a more severe clinical course than the group without Hb CS. The levels of Hb at steady state were found to be lower and the reticulocyte counts, red cells with inclusion bodies and Hb H were higher in patients with Hb CS. The clinical picture of acute hemolysis in Hb H children can be found in the neonatal period and the difference in clinical severity between the two genotypes of Hb H disease seems to develop from the first year of life.
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