Author + information
- Received December 1, 2011
- Revision received February 27, 2012
- Accepted March 2, 2012
- Published online May 1, 2012.
- Rodrigo Bagur, MD⁎,
- Josep Rodés-Cabau, MD⁎,⁎ (, )
- Ronen Gurvitch, MBBS†,
- Éric Dumont, MD⁎,
- James L. Velianou, MD‡,
- Juan Manazzoni, MD⁎,
- Stefan Toggweiler, MD†,
- Anson Cheung, MD†,
- Jian Ye, MD†,
- Madhu K. Natarajan, MD‡,
- Kevin R. Bainey, MD⁎,
- Robert DeLarochellière, MD⁎,
- Daniel Doyle, MD⁎,
- Philippe Pibarot, DVM, PhD⁎,
- Pierre Voisine, MD⁎,
- Mélanie Côté, MSc⁎,
- François Philippon, MD⁎ and
- John G. Webb, MD†
- ↵⁎Reprint requests and correspondence:
Dr. Josep Rodés-Cabau, Quebec Heart and Lung Institute, Laval University, 2725 chemin Sainte-Foy, G1V 4G5 Quebec, Canada
Objectives The aim of this study was to compare the incidence and predictive factors of complete atrioventricular block (AVB) and permanent pacemaker implantation (PPI) after transcatheter aortic valve implantation (TAVI) versus surgical aortic valve replacement (SAVR).
Background No data exist on the need for PPI after TAVI versus SAVR in patients with similar baseline electrocardiographic (ECG) findings.
Methods A total of 411 patients with severe aortic stenosis (AS) and no prior pacemaker who underwent TAVI with the balloon-expandable Edwards valve (Edwards Lifesciences, Irvine, California) were matched (1:1) with 411 elderly patients with severe AS who underwent isolated SAVR on the basis of baseline ECG findings. The incidence, reasons, and predictive factors for PPI within 30 days after the procedure were compared between groups.
Results Mean age was similar in both groups (p = 0.11), and the TAVI group had a higher Society of Thoracic Surgeons score (p < 0.001). The rate of new PPI was higher after TAVI (7.3%) compared with SAVR (3.4%), p = 0.014. Complete AVB and severe symptomatic bradycardia, respectively, were the reasons for PPI in the TAVI (5.6% and 1.7%, respectively) and SAVR (2.7% and 0.7%, respectively) groups (p = 0.039 for complete AVB, p = NS for symptomatic bradycardia). The presence of baseline right bundle branch block was the only variable associated with PPI in the TAVI group (odds ratio: 8.61, 95% confidence interval: 3.14 to 23.67, p < 0.0001), whereas no variable was found in the SAVR group.
Conclusions Transcatheter aortic valve implantation was associated with a higher rate of complete AVB and PPI compared with SAVR in elderly patients with severe AS and similar baseline ECG findings. The presence of baseline right bundle branch block correlated with the need for PPI in the TAVI group.
Dr. Rodés-Cabau is a consultant for Edwards Lifesciences, Inc. and St. Jude Medical. Drs. Dumont, Cheung, Ye, Doyle, and Webb are consultants for Edwards Lifesciences, Inc. Drs. Cheung, DeLarochellière, and Webb are consultants for St. Jude Medical. Dr. Velianou is a proctor for Edwards Lifesciences, Inc. Dr. Pibarot has received honoraria for presentations and research grants from Edwards Lifesciences, Inc. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose.
- Received December 1, 2011.
- Revision received February 27, 2012.
- Accepted March 2, 2012.
- 2012 American College of Cardiology Foundation