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Ann Thorac Surg 2002;74:2202-2205
© 2002 The Society of Thoracic Surgeons

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Polytetrafluoroethylene monocusp valve technique for right ventricular outflow tract reconstruction

^a Department of Surgery, Division of Cardiothoracic Surgery, Indiana University School of Medicine, Indianapolis, Indiana,, USA
^b Department of Surgery, St. Louis University School of Medicine, St. Louis, Missouri, USA

Accepted for publication June 5, 2002.

* Address reprint requests to Dr Turrentine, Department of Surgery, Division of Cardiothoracic Surgery, Indiana University School of Medicine, 545 Barnhill Dr, Emerson Hall #215, Indianapolis, IN 46202, USA.
e-mail: mturren{at}iupui.edu

Nonvalve transannular patch repair of right ventricular outflow tract obstructive (RVOTO) defects results in pulmonary insufficiency, which can contribute to early postoperative right ventricular dysfunction. In both animal and clinical studies, monocusp valves provide perioperative RVOT competence and improved right ventricular functional characteristics. In these reports, monocusp leaflet construction with 0.1-mm polytetrafluoroethylene (PTFE) appeared equal, or superior, to biologic monocusp valves. Construction of the polytetrafluoroethylene monocusp valve is an inexpensive and straightforward way to create a competent RVOT in a variety of RVOTO anomalies. Based on our clinical experience, it effectively prevents short-term and significantly reduces midterm pulmonary insufficiency without evidence of stenosis.

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