Successful Treatment of a Child with Hemoglobin Hammersmith with Hematopoietic Stem Cell Transplantation

Hemoglobin (Hb) Hammersmith, formed by serine substitution for phenylalanine at residue 42 in the beta-globin chain, is a very rare variant of unstable hemoglobin with low oxygen affinity. For patients with hemoglobinopathies, it is well-established that hematopoietic stem cell transplantation provi...

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Bibliographic Details
Published in:Hemoglobin 2023-07, Vol.47 (4), p.137-139
Main Authors: Yıldırım, Ayşen Türedi, Gülen, Hüseyin, Türkmen, Hülya, Özek, Gülcihan, Oymak, Yeşim, Durmaz, Burak, Karaca, Emin
Format: Article
Language:English
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Summary:Hemoglobin (Hb) Hammersmith, formed by serine substitution for phenylalanine at residue 42 in the beta-globin chain, is a very rare variant of unstable hemoglobin with low oxygen affinity. For patients with hemoglobinopathies, it is well-established that hematopoietic stem cell transplantation provides a complete cure, but the literature on its role for those with Hb Hammersmith is limited. A seven-month-old girl who was examined for anemia and splenomegaly was followed up for congenital hemolytic anemia. The patient with visible cyanosis of the lips and whose p50 was low in blood gas was diagnosed with Hb Hammersmith through the DNA sequence analysis. During the follow-up, frequent blood transfusions had to be given due to anemia aggravated by infections. Following a successful hematopoietic stem cell transplant from an HLA-matched sibling, the patient completely recovered from Hb Hammersmith. The case is presented because of its rarity.
ISSN:0363-0269
1532-432X
DOI:10.1080/03630269.2023.2219007