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

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,...

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Veröffentlicht in:	The Annals of thoracic surgery 2008-12, Vol.86 (6), p.1976-1977
Hauptverfasser:	Bautista-Hernandez, Victor, MD, Kaza, Aditya K., MD, Benavidez, Oscar J., MD, Pigula, Frank A., MD
Format:	Artikel
Sprache:	eng
Schlagworte:	Abnormalities, Multiple - diagnosis Abnormalities, Multiple - surgery Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Aneurysm - diagnosis Aneurysm - etiology Aneurysm - surgery Angiography - methods Animals Biological and medical sciences Bioprosthesis - adverse effects Cardiac Surgical Procedures - adverse effects Cardiac Surgical Procedures - methods Cardiology. Vascular system Cardiothoracic Surgery Cattle Child, Preschool Echocardiography, Doppler - methods Female Follow-Up Studies Heart Defects, Congenital - complications Heart Defects, Congenital - diagnosis Humans Magnetic Resonance Imaging Medical sciences Mitral Valve Insufficiency - etiology Mitral Valve Insufficiency - surgery Pneumology Prosthesis Failure Reconstructive Surgical Procedures - methods Reoperation - methods Risk Assessment Surgery Time Factors Treatment Outcome Ventricular Outflow Obstruction - diagnosis Ventricular Outflow Obstruction - etiology Ventricular Outflow Obstruction - surgery
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Zusammenfassung:	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.
ISSN:	0003-4975 1552-6259
DOI:	10.1016/j.athoracsur.2008.04.104