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This study aimed to evaluate the early outcomes of Perceval sutureless valves in the Korean population and to introduce a modified technique of guiding suture placement during valve deployment.Methods and Results:From December 2014 to April 2019, 121 patients (mean age: 74.7±6.2 years; 53.7% female) received a Perceval sutureless aortic valve replacement. To prevent conduction system injury, the depth of guiding suture placement (1 mm below the nadir of the annulus) was modified. All patients underwent echocardiographic evaluation at discharge and 6-12 months postoperatively, with a mean follow up of 13.7±11.2 months. Concomitant surgeries, such as coronary artery bypass grafting, and other valvular surgeries, were performed in 45.5% of cases. The mean aortic cross-clamp times for isolated and minimal procedures were 32.8±7.9, and 41.2±8.0 min, respectively. The overall transvalvular mean gradients were 13.1±3.8 mmHg at discharge and 11.5±4.7 mmHg at the last follow up. After modifying the guiding suture placement, permanent pacemaker implantation risk decreased from 9.9% to 2.5%. Cardiac-related mortality was 0.8%, with no patient developing valvular or paravalvular aortic regurgitation, valve thrombosis, or endocarditis.

circulation journal

Clinical and Hemodynamic Outcomes in 121 Patients Who Underwent Perceval Sutureless Aortic Valve Implantation ― Early Results From a Single Korean Institution ―