Kokyu to junkan. Respiration & circulation
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An aorto-coronary bypass grafting was performed in a 50 year-old man, a Jehovah's Witness, suffering from effort angina pectoris. Preoperatively, he was underwent PTCA for LAD occlusion, which failed. Single aorto-coronary bypass grafting using IMA was performed under the extracorporeal circulation primed with Ringer's Lactate and albumin. ⋯ The blood in the extracorporeal circuit was hemoconcentrated with ECUM (extracorporeal ultrafiltration method) from hematocrit level 22% to 35% and transfused. The postoperative course was uneventful. At the time of discharge from hospital on the 42nd postoperative day the hemoglobin level was 13.1 g/dl and hematocrit level was 42%.