Transcatheter aortic valve implantation (TAVI) has brought a new era in the treatment of aortic stenosis. During the last years, the successive iterations of transcatheter heart valve (THV) systems and the growing experience of centres/operators have translated into a progressive reduction in periprocedural complications. However, conduction disturbances, such as high-degree atrioventricular block and new-onset left bundle branch block (LBBB), have not decreased over time and remain the most frequent drawback of the procedure.
1The incidence of new-onset LBBB with the use of newer-generation THVs has ranged from 6% to 77%.
- Auffret V.
- Puri R.
- Urena M.
- et al.
Conduction disturbances after transcatheter aortic valve replacement: current status and future perspectives.
Circulation. 2017; 136: 1049-1069
2The use of different definitions of new-onset LBBB (mainly different time points), along with differences in baseline and procedural characteristics (including valve type, valve positioning), may explain this large variability in incidence.
- Muntané-Carol G.
- Guimaraes L.
- Ferreira-Neto A.N.
- et al.
How does new-onset left bundle branch block affect the outcomes of transcatheter aortic valve repair?.
Expert Rev Med Dev. 2019; 16: 589-602
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- Conduction disturbances after transcatheter aortic valve replacement: current status and future perspectives.Circulation. 2017; 136: 1049-1069
- How does new-onset left bundle branch block affect the outcomes of transcatheter aortic valve repair?.Expert Rev Med Dev. 2019; 16: 589-602
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Published online: June 20, 2019
Accepted: June 16, 2019
Received: June 2, 2019
See article by Eschalier et al., pages 1386–1393 of this issue.
See page 1288 for disclosure information.
© 2019 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.
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- New-Onset Left Bundle Branch Block After TAVI has a Deleterious Impact on Left Ventricular Systolic FunctionCanadian Journal of CardiologyVol. 35Issue 10
- PreviewTranscatheter aortic valve implantation (TAVI) has revolutionized the management of severe aortic stenosis. The development of a new-onset complete left bundle branch block (LBBB) is, however, a frequent complication. The objective of the present study was to assess the impact of a new-onset LBBB after TAVI on the evolution of left ventricular ejection fraction (LVEF).