Reoperative hemoglobinuria in a coronary artery bypass graft case with hereditary spherocytosis

We present a rare case of hereditary spherocytosis [HS] with intraoperative hemolysis. A 60-year-old man with coronary artery disease, HS, and a history of splenectomy for US and underwent coronary artery bypass graft surgery under cardiopulmonary bypass, during which he developed severe hematuria and hemolysis and his hemoglobin reached 5g/dL