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[Recurrent cardiac arrest after splenectomy in a patient with ITP and diabetes mellitus].

We report a case of 58-year-old man who had repeated cardiac arrests on the first post-operative day. The patient underwent splenectomy due to ITP (idiopathic thrombocytopenic purpura). He also had diabetes mellitus and nephrotic syndrome. There was no abnormal finding at the preoperative examination, except bleeding time of 6 minutes. The operation was finished without complications under general anesthesia. Midnight on the day of surgery, the first cardiac arrest occurred, and lasted for about 10 seconds. He recovered soon from the incident, but at 6 o'clock next morning, he developed severe bradycardia and cardiac arrest. He recovered again, but around 10 o'clock, he developed bradycardia and arrest again, and fell into a fit of convulsions and lost his consciousness. Again he recovered soon and no bradycardia and cardiac arrest occurred after this episode. Two years later, he was scheduled for vitrectomy due to diabetic retinosis. There were a few PACs and PVCs in his Holter-ECG, but no typical bradycardia and ST changes. During the operation, we injected atropine sulfate, dopamine hydrochloride and bucladesine sodium to increase his heart rate above 60 per minute. The operation was finished smoothly and there was no trouble perioperatively. A year later, he also underwent bilateral cataract extraction under local anesthesia without any troubles.