• Peter Wenaweser, Stefan Stortecky, Dik Heg, David Tueller, Fabian Nietlispach, Volkmar Falk, Giovanni Pedrazzini, Raban Jeger, Oliver Reuthebuch, Thierry Carrel, Lorenz Räber, Franz W Amann, Enrico Ferrari, Stefan Toggweiler, Stephane Noble, Marco Roffi, Jürg Gruenenfelder, Peter Jüni, Stephan Windecker, and Christoph Huber.
• Department of Cardiology and Department of Cardiovascular Surgery, Swiss Cardiovascular Centre, Bern University Hospital, Bern, Switzerland.
• EuroIntervention. 2014 Dec 1; 10 (8): 982-9.

AimsTo evaluate short-term clinical outcomes following transcatheter aortic valve implantation (TAVI) using CE-mark approved devices in Switzerland.Methods And ResultsThe Swiss TAVI registry is a national, prospective, multicentre, monitored cohort study evaluating clinical outcomes in consecutive patients undergoing TAVI at cardiovascular centres in Switzerland. From February 2011 to March 2013, a total of 697 patients underwent TAVI for native aortic valve stenosis (98.1%), degenerative aortic bioprosthesis (1.6%) or severe aortic regurgitation (0.3%). Patients were elderly (82.4±6 years), 52% were females, and the majority highly symptomatic (73.1% NYHA III/IV). Patients with severe aortic stenosis (mean gradient 44.8±17 mmHg, aortic valve area 0.7±0.3 cm²) were either deemed inoperable or at high risk for conventional surgery (STS 8.2%±7). The transfemoral access was the most frequently used (79.1%), followed by transapical (18.1%), direct aortic (1.7%) and subclavian access (1.1%). At 30 days, rates of all-cause mortality, cerebrovascular events and myocardial infarction were 4.8%, 3.3% and 0.4%, respectively. The most frequently observed adverse events were access-related complications (11.8%), permanent pacemaker implantation (20.5%) and bleeding complications (16.6%). The Swiss TAVI registry is registered at ClinicalTrials.gov (NCT01368250).ConclusionsThe Swiss TAVI registry is a national cohort study evaluating consecutive TAVI procedures in Switzerland. This first outcome report provides favourable short-term clinical outcomes in unselected TAVI patients.

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