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Original Articles: Adult Cardiac

Cusp Prolapse Repair in Trileaflet Aortic Valves: Free Margin Plication and Free Margin Resuspension Techniques

^a Division of Cardiothoracic and Vascular Surgery, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Brussels, Belgium
^b Division of Anesthesiology, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Brussels, Belgium
^c Division of Cardiology, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Brussels, Belgium

Accepted for publication April 16, 2009.

^_* Address correspondence to Dr de Kerchove, Division of Cardiothoracic and Vascular Surgery, Cliniques Universitaires St-Luc, Avenue Hippocrate 10, Brussels, 1200, Belgium (Email: laurent.dekerchove{at}uclouvain.be).

Presented at the Forty-fifth Annual Meeting of The Society of Thoracic Surgeons, San Francisco, CA, Jan 26–28, 2009.

Background: Cusp prolapse management is important in aortic valve (AV) sparing and repair to achieve durable results. We analyzed the midterm outcomes of two different techniques for trileaflet AV prolapse repair.

Methods: Between 1996 and 2008, 376 patients underwent elective AV repair: 88 with trileaflet AV (23%) had cusp prolapse repair, plication technique was performed in 34 (39%), resuspension technique in 33 (37%) and plication plus resuspension in 21 (24%). One cusp was repaired in 55 (62%), 2 cusps in 18 (21%), and 3 cusps in 15 (17%).

Results: No hospital deaths occurred. Patients undergoing resuspension with or without plication had more preoperative aortic insufficiency (AI; p = 0.01) and multiple cusp prolapses (p = 0.01). During follow-up (median, 41 months), 4 deaths occurred and 2 were cardiac related. Overall survival at 5 years was 95% ± 5%. Two patients needed AV reoperation because of recurrent AI or AI plus AV stenosis. Recurrent AI grade 3+ developed in 4 patients; 1 with moderate AV stenosis. Freedom from reoperation at 5 years was 100% for plication, 96% ± 4% for resuspension, and 93% ± 7% for plication plus resuspension (p = 0.6); respective freedom from AI 3+ at 3 years was 100%, 92% ± 8%, and 89% ± 11% (p = 0.8).

Conclusions: Cusp plication or resuspension are efficient and durable techniques to correct cusp prolapse in the trileaflet AV. Plication is typically the first choice because of its ease of use and lower risk of overcorrection; however, free margin resuspension is useful in specific situations.

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