• Rev Med Interne · Jun 2009

    Case Reports

    [Inappropriate low glycated hemoglobin and hemolysis].

    • A Debard, S Charmion, Ben AmeurSS, J-B Gaultier, and P Cathébras.
    • Service de médecine interne, hôpital Nord, 42055 Saint-Etienne cedex 2, France. alexa.debard@gmail.com
    • Rev Med Interne. 2009 Jun 1; 30 (6): 525527525-7.

    AbstractHemoglobin A1c (HbA1c), measured regularly in the patients with diabetes, is the major form of stable glycated hemoglobin and has to be maintained below 6.5% to prevent or decrease the risk of chronic complications. HbA1c reflects mean blood glucose levels of the previous 3 months. We report the case of a particularly low HbA1c in a diabetic patient despite high plasma glucose levels, that was induced by auto-immune hemolysis related to an Evans syndrome. All hemolytic disorders can be responsible for falsely reassuring HbA1c values. Clinicians must be aware that hematologic status has to be considered for the correct interpretation of HbA1c results.

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