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Ann Thorac Surg 2000;70:542-546
© 2000 The Society of Thoracic Surgeons

Original articles: cardiovascular

Remodeling of the aortic root and reconstruction of the bicuspid aortic valve

Hans-Joachim Schäfers, MD, PhDa, Frank Langer, MDa, Diana Aicher, MDa, Thomas P. Graeter, MDa, Olaf Wendler, MDa

a Department of Thoracic and Cardiovascular Surgery, University Hospitals Homburg, Homburg, Germany

Address reprint requests to Dr Schäfers, Department of Thoracic and Cardiovascular Surgery, University Hospitals Homburg, 66421 Homburg/Saar, Germany
e-mail: chhjsc{at}med-rz.uni-sb.de

Background. Currently, isolated reconstruction of a regurgitant bicuspid aortic valve can be performed with adequate early results. Dilatation of the proximal aorta is known to be associated with this valve anomaly and may be partially responsible for the development of primary regurgitation or secondary failure of valve repair. We have used repair of the bicuspid valve with remodeling of the aortic root as an alternative to insertion of a composite graft.

Methods. Between October 1995 and May 1999, 16 patients (12 men, 4 women, aged 35 to 73 years) were seen with a regurgitant bicuspid aortic valve and dilatation of the proximal aorta of more than 50 mm. All patients underwent repair of the valve using either coapting sutures alone (n = 12) or in combination with triangular resection of a median raphe (n = 4). Using a Dacron graft, the aortic root was remodeled and the ascending aorta (n = 16) and proximal arch (n = 4) replaced.

Results. No patient died. The postoperative degree of aortic regurgitation was less than grade II in all patients. Valve function has remained stable in all patients between 2 and 43 months postoperatively.

Conclusions. Reconstruction of the regurgitant bicuspid valve in the presence of proximal aortic dilatation is feasible with good results by combining the root remodeling technique with valve repair.




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