Effect of Experience on Results of Transcatheter Aortic Valve Implantation Using a Medtronic CoreValve System

Outcome after transcatheter aortic valve implantation (TAVI) depends on the patient risk profile, operator experience, progress in technology, and technique. We sought to compare the results of TAVI during the initiation phase and after certification to perform TAVI with the Medtronic CoreValve Syst...

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Veröffentlicht in:	The American journal of cardiology 2011-06, Vol.107 (12), p.1824-1829
Hauptverfasser:	Nuis, Rutger-Jan, MSc, van Mieghem, Nicolas M., MD, van der Boon, Robert M., MSc, van Geuns, Robert-Jan, MD, PhD, Schultz, Carl J., MD, PhD, Oei, Frans B., MD, Galema, Tjebbe W., MD, PhD, Raap, Goris Bol, MD, PhD, Koudstaal, Peter J., MD, PhD, Geleijnse, Marcel L., MD, PhD, Kappetein, Arie Pieter, MD, PhD, Serruys, Patrick W., MD, PhD, de Jaegere, Peter P., MD, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged, 80 and over Aortic Valve - surgery Aortic Valve Stenosis - surgery Biological and medical sciences Cardiology Cardiology. Vascular system Cardiovascular Cardiovascular disease Catheterization, Peripheral Catheters Clinical outcomes Coronary vessels Female Heart Valve Prosthesis Implantation - instrumentation Heart Valve Prosthesis Implantation - methods Humans Male Medical sciences Postoperative Complications Studies Transplants & implants
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Zusammenfassung:	Outcome after transcatheter aortic valve implantation (TAVI) depends on the patient risk profile, operator experience, progress in technology, and technique. We sought to compare the results of TAVI during the initiation phase and after certification to perform TAVI with the Medtronic CoreValve System without proctoring. A total of 165 consecutive patients was categorized into a first cohort of 33 patients treated before certification (November 2005 to December 2007) and a second cohort of 132 patients treated after certification (January 2008 to October 2010). The study end points were selected and defined according to the Valve Academic Research Consortium recommendations. Compared to cohort 2, the patients in cohort 1 more frequently had New York Heart Association class III–IV (100% vs 71%, p
ISSN:	0002-9149 1879-1913
DOI:	10.1016/j.amjcard.2011.02.315