Mild chronic anemia following heart transplantation: a syndrome with prognostic relevance?

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Abstract
The clinical relevance of mild chronic anemia in patients after heart transplantation (HTX) has not yet been demonstrated. Forty‐five outpatients who had undergone HTX 2–99 months prior to investigation and who had not received blood transfusions or erythropoietin (EPO) before data acquisition were observed over a period of 37 months. Anemia was found in 36 of the 45 patients and was normocyte, normochromic, and slightly anisocytotic (coefficient of variation = 16 ± 2, normal 11.5–14.5). Anemic patients showed elevated EPO levels, whereas in nonanemic patients EPO levels were normal. Survival after HTX differed significantly in anemic and nonanemic patients (P < 0.02), with 100% survival in the nonanemic and 85% in the anemic group. Chronic anemia in patients after HTX shows a typical pattern. Even when mild, anemia in patients after HTX seems to be of prognostic value and thus might be an indicator of chronic disorders.