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Ann Thorac Surg 1989;48:592-594
© 1989 The Society of Thoracic Surgeons
Division of Cardiovascular Surgery, St. Michael's Hospital and the University of Toronto, Toronto, Ontario, Canada
Accepted for publication June 5, 1989.
* Address reprint requests to Dr Salerno, 305B, St. Michael's Hospital, 30 Bond St, Toronto, Ont, M5B 1W8, Canada
Patients undergoing thoracoabdominal aortic aneurysm repair are at high risk of operative morbidity and death. Aortic clamping and unclamping stresses the myocardium, interrupts visceral and limb perfusion, and leads to metabolic acidosis. Use of a simple technique to preserve distal perfusion during the period of aortic clamping may reduce perioperative morbidity. We describe a technique of visceral and limb perfusion that may reduce surgical risk in high-risk patients.
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