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Mechanical Circulatory Assist for Pulmonary Artery Obstruction

Department of Thoracic and Cardiovascular Surgery Jichi Medical School Tochigi, Japan

For reprint information contact: Yoshio Misawa, MD, PhD Tel: 81 285 44 2111 Fax: 81 285 44 6271 email: tcvmisa{at}jichi.ac.jp Department of Thoracic and Cardiovascular Surgery, Jichi Medical School, Yakushiji 3311-1, Minami-Kawachi, Tochigi 329-0498, Japan.

A 72-year-old woman underwent replacement of the ascending aorta because of acute aortic dissection. During surgery, the right pulmonary artery was injured. Direct suture closure led to pulmonary artery stenosis with elevated central venous pressure and recurrent ventricular fibrillation. Extracorporeal membrane oxygenation stabilized her hemodynamic condition. She was weaned from the device 6 days later. Pulmonary angiography revealed severe obstruction of the right pulmonary artery but she had no respiratory symptoms thereafter.