• Yuko Kojima, Hiroto Kitahara, Hikaru Kimura, Toshitsugu Nakamura, Hiroaki Ina, and Shigeru Yokota.
• Department of Anesthesiology, Suwa Red Cross Hospital, 5-11-50 Kogan-dori, Suwa, 392-8510, Japan.
• J Anesth. 2007 Jan 1;21(4):504-6.

AbstractWe experienced simultaneous coronary artery bypass grafting and cardiac pheochromocytoma resection under cardiopulmonary bypass in a 79-year-old woman with atherosclerotic angina. During manipulation of the tumor under cardiopulmonary bypass, the serum norepinephrine concentration increased to over seventy times the normal limit, and there was a 25-mmHg rise in mean arterial pressure. Cardiopulmonary bypass has been recommended for the resection of cardiac pheochromocytoma to isolate the heart from the systemic circulation, and thus prevent massive catecholamine release when handling the tumor. However, the serum catecholamine concentration surged in our patient during tumor manipulation under cardiopulmonary bypass, probably because of the reperfused blood from the operating field. We suggest that cardiopulmonary bypass be performed for the anesthetic management of cardiac pheochromocytoma resection, because excessive hypertension can be avoided during cardiopulmonary bypass, even if the catecholamine concentration increases excessively when handling the tumor.

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