Fig. 1

Perioperative blood gas analysis and dosage of glucose administration. Each value was measured by blood gas analysis and by a simple blood glucose meter. Black circles indicate values measured by blood gas analysis and white circles indicate values measured by a simple blood glucose meter. Glucose administration was started preoperatively via the peripheral vein. Severe lactic acidosis was observed from the beginning of surgery and continued until the second postoperative day. POD: postoperative day