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Figure 3 Mild hemolysis after Jarvik-2000 implantation. The hemoglobin levels (A) became stabilized after the postoperative period. The persistent elevation of lactate dehydrogenase (LDH) levels (B) and reticulocytes (C) associated with decreased haptoglobin-levels (D) indicate some degree of trauma to the red blood cells. Note that Patient 3 was transfused on day 17; all other transfusions were given in the early postoperative period.