Surgical Treatment of Interrupted Aortic Arch with Extraanatomical Bypass Simultaneous to Coronary Artery Bypass Grafting and Aortic Valve Replacement
AbstractAn interrupted aortic arch accompanied by further surgically reparable cardiac lesions is a rare combination in adult patients. We describe treatment of an interrupted aortic arch, coronary artery bypass grafting (CABG), and aortic valve replacement (AVR) performed simultaneously through median sternotomy in a 64-year-old man. The patient underwent surgery performed using standard cardiopulmonary bypass with cannulation of the ascending aorta and the right atrium, hypothermia (24.6 ° C), and blood cardioplegic arrest. Four aortocoronary vein grafts and pericardial aortic valve replacement were carried out. Finally, the posterior pericardium was opened, and a 16-mm prosthesis was anastomosed to the descending aorta during side clamping using a 4-0 monofilament continuous suture. Optimal placement of the prosthesis was obtained by guiding it to the ascending aorta laterally to the right atrium and passing it between the inferior vena cava and right inferior lung vein. The operation was carried out without complications, and the postoperative course was uneventful. Magnetic resonance imaging showed competent aortic valve prosthesis and highly decreased collateral flow via the internal mammary arteries. Postoperatively both inguinal pulses were present, and the patient was free of angina. In the presence of an interrupted aortic arch, extraanatomical bypass via the posterior pericardium between the ascending and descending aorta can safely be performed at the same time as CABG and AVR through a median sternotomy.
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