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Hemoglobin A2 levels in malaria patients.

G Van Ros, A Moors, M De Vlieger

    The American Journal of Tropical Medicine and Hygiene
    |July 1, 1978
    PubMed
    Summary
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    Malaria infection does not significantly alter hemoglobin A2 (Hb A2) levels. This finding suggests malaria does not impact beta-thalassemia trait screening in endemic areas.

    Area of Science:

    • Hematology
    • Infectious Diseases
    • Genetics

    Background:

    • Hemoglobin A2 (Hb A2) levels are crucial for diagnosing beta-thalassemia trait.
    • Malaria is known to affect various blood parameters.
    • Previous studies have yielded conflicting results regarding malaria's effect on Hb A2.

    Purpose of the Study:

    • To investigate the influence of malaria infection on hemoglobin A2 levels in humans.
    • To determine if malaria affects the accuracy of beta-thalassemia trait screening.

    Main Methods:

    • A study was conducted on 94 imported malaria cases in Belgium.
    • Hb A2 levels were measured and compared between malaria patients and healthy controls.
    • Subgroup analysis was performed for Western European patients without likely beta-thalassemia trait.

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    Main Results:

    • No statistically significant difference was found in Hb A2 levels between malaria patients and controls (P > 0.40).
    • Hb A2 levels in Western European patients also did not differ significantly from controls (P > 0.10).
    • No correlation was observed between Hb A2 levels, parasitemia intensity, or total hemoglobin concentration.

    Conclusions:

    • Malaria infection does not appear to significantly influence hemoglobin A2 levels.
    • The findings suggest that malaria does not interfere with beta-thalassemia trait screening in endemic regions.
    • Further research may be needed to reconcile divergent findings from previous studies.