Early and intermediate outcome after aortic valve replacement with a sutureless bioprosthesis: Results of a multicenter study

Antonino S Rubino, Giuseppe Santarpino, Herbert De Praetere, Keiichiro Kasama, Magnus Dalén, Ulrik Sartipy, Jarmo Lahtinen, Jouni Heikkinen, Wanda Deste, Francesco Pollari, Peter Svenarud, Bart Meuris, Theodor Fischlein, Carmelo Mignosa, Fausto Biancari
Journal of Thoracic and Cardiovascular Surgery 2014, 148 (3): 865-71; discussion 871

OBJECTIVE: The aim of this study was to evaluate the outcome of aortic valve replacement with the sutureless Perceval S aortic valve bioprosthesis (Sorin Biomedica Cardio Srl, Saluggia, Italy).

METHODS: This is a retrospective analysis of 314 patients (mean age, 77.9 ± 5.0 years, mean European System for Cardiac Operative Risk Evaluation II, 9.0% ± 7.6%) who underwent aortic valve replacement with the Perceval S valve with (94 patients) or without (220 patients) concomitant coronary artery bypass surgery at 5 European centers.

RESULTS: The Perceval S valve was successfully implanted in all but 1 patient (99.7%). The mean aortic crossclamping time was 43 ± 20 minutes (isolated procedure, 39 ± 15 minutes; concomitant coronary surgery, 52 ± 26 minutes). Severe paravalvular leak occurred in 2 patients (0.6%). In-hospital mortality was 3.2% (1.4% after isolated procedure and 7.4% after concomitant coronary surgery). In-hospital mortality was 2.8% and 4.0% among patients with a European System for Cardiac Operative Risk Evaluation II less than 10% and 10% or greater, respectively (P = .558). Octogenarians had slightly higher in-hospital mortality (5.2% vs 2.0%, P = .125; after isolated procedure: 2.7% vs 0.7%, P = .223; after concomitant coronary surgery: 9.5% vs 5.8%, P = .491) compared with younger patients. Full sternotomy did not increase the in-hospital mortality risk compared with ministernotomy or minithoracotomy access (1.3% vs 1.4%, when adjusted for baseline covariates: P = .921; odds ratio, 0.886; 95% confidence interval, 0.064-12.346). One-year survival was 90.5%. Freedom from valve-related mortality, stroke, endocarditis, and reoperation was 99.0%, 98.1%, 99.2%, and 98.3%, respectively.

CONCLUSIONS: The sutureless Perceval S valve is associated with excellent early survival in high-risk patients, particularly among those undergoing an isolated procedure. Further studies are needed to prove the durability of this bioprosthesis.

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