• Masahito Yamashiro, Kiyozo Morita, Yoshimasa Uno, Gen Shinohara, and Kazuhiro Hashimoto.
• Department of Cardiac Surgery, The Jikei University, Nishi Shimbashi, Minato-ku, Tokyo 105-8461, Japan.
• Gen Thorac Cardiovasc Surg. 2011 Jan 1; 59 (1): 30-3.

AbstractFirst-stage palliation of hypoplastic left heart syndrome has been revolutionized by the recent introduction of a right ventricle-to-pulmonary artery (RV-PA) conduit as an alternative to a systemic-to-pulmonary shunt. However, most conduits are unvalved, and the use of valved xenografts was abandoned during the early era of this operation. We performed a successful modified Norwood operation in a 2-month-old infant with aortic atresia and ventricular and atrial septal defects using a hand-made down-sizing valved graft as an RV-PA conduit. The postoperative course was uneventful with well-balanced pulmonary and arterial perfusion. We believe that minimization of the regurgitant volume from an unvalved prosthetic conduit by utilizing this modification might be of benefit in this particular group of patients.

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