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Ann Thorac Surg 2008;86:1976-1977. doi:10.1016/j.athoracsur.2008.04.104
© 2008 The Society of Thoracic Surgeons
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Aditya K. Kaza
Frank A. Pigula
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Right arrow Congenital - cyanotic

Case Reports

True Aneurysmal Dilatation of a Contegra Conduit after Right Ventricular Outflow Tract Reconstruction: A Novel Mechanism of Conduit Failure

Victor Bautista-Hernandez, MDa, Aditya K. Kaza, MDa, Oscar J. Benavidez, MDb, Frank A. Pigula, MDa,*

a Department of Cardiac Surgery, Children's Hospital Boston-Harvard Medical School, Boston, Massachusetts
b Department of Cardiology, Children's Hospital Boston-Harvard Medical School, Boston, Massachusetts

Accepted for publication April 28, 2008.

* Address correspondence to Dr Pigula, Department of Cardiac Surgery, Children's Hospital Boston, 300 Longwood Ave, Bader 279, Boston, MA 02115 (Email: frank.pigula{at}cardio.chboston.org).

Valved conduits are frequently used in congenital heart surgery to establish continuity between the right ventricle and the pulmonary arteries. The Contegra bovine jugular vein (Medtronic Inc, Minneapolis, MN) is a conduit that incorporates a tri-leaflet valve and affords off-the-shelf availability, good handling characteristics, and excellent hemodynamics. However, complications related to the use of this device have been reported, with conduit failure occurring mainly as a consequence of stenosis, conduit thrombosis, and valve regurgitation. We present a case of aneurysmal conduit failure of a 14-mm Contegra conduit used to reconstruct the right ventricular outflow tract.






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