European journal of haematology
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Glycosylated hemoglobin (GH), hemoglobin (Hb), hematocrit, LDH and serum bilirubin were measured pre-operatively, and 1-10 days and 11-42 d post-operatively in 42 patients undergoing cardiac surgery. Their mean age was 39.90 years, ranging from 4 to 68 yr. In the early post-operation days, Hb and hematocrit, but not GH percentage, were significantly decreased. ⋯ This indicates the presence of chronic hemolysis with bone marrow compensation. In our study, the incidence of chronic mild hemolysis after cardiac surgery was very high (68.8%). We conclude that GH determination is a simple, easy and sensitive method to detect chronic hemolysis and we suggest measuring it in every case with suspicion of hemolysis.