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Impact of New-Onset Persistent Left Bundle Branch Block on Late Clinical Outcomes in Patients Undergoing Transcatheter Aortic Valve Implantation With a Balloon-Expandable Valve

Open access
Urena, Marina, Webb, John G., Cheema, Asim, Serra, Vicenç, Toggweiler, Stefan, Barbanti, Marco, Cheung, Anson, Ye, Jian, Dumont, Eric, DeLarochellière, Robert, Doyle, Daniel, Al Lawati, Hatim A., Peterson, Marc, Chisholm, Robert, Igual, Albert, Ribeiro, Henrique Barbosa, Nombela-Franco, Luis, Philippon, François, Garcia del Blanco, Bruno, Rodés-Cabau, Josep·2014·JACC: Cardiovascular Interventions

Abstract

OBJECTIVES The aim of this study was to determine the impact of new-onset persistent left bundle branch block (NOP-LBBB) on late outcomes after transcatheter aortic valve implantation (TAVI). BACKGROUND The impact of NOP-LBBB after TAVI remains controversial. METHODS A total of 668 consecutive patients who underwent TAVI with a balloon-expandable valve without pre-existing LBBB or permanent pacemaker implantation (PPI) were included. Electrocardiograms were obtained at baseline, immediately after the procedure, and daily until hospital discharge. Patients were followed at 1, 6, and 12 months and yearly thereafter. RESULTS New-onset LBBB occurred in 128 patients (19.2%) immediately after TAVI and persisted at hospital discharge in 79 patients (11.8%). At a median follow-up of 13 months (range 3 to 27 months), there were no differences in mortality rate between the NOP-LBBB and no NOP-LBBB groups (27.8% vs. 28.4%; adjusted-hazard ratio: 0.87 [95% confidence interval (CI): 0.55 to 1.37]; p = 0.54). There were no differences between groups regarding cardiovascular mortality (p = 0.82), sudden death (p = 0.87), rehospitalizations for all causes (p = 0.11), or heart failure (p = 0.55). NOP-LBBB was the only factor associated with an increased rate of PPI during the follow-up period (13.9% vs. 3.0%; hazard ratio: 4.29 [95% CI: 2.03 to 9.07], p < 0.001. NOP-LBBB was also associated with a lack of left ventricular ejection fraction improvement and poorer New York Heart Association functional class at follow-up (p < 0.02 for both). CONCLUSIONS NOP-LBBB occurred in ∼1 of 10 patients who had undergone TAVI with a balloon-expandable valve. NOP-LBBB was associated with a higher rate of PPI, a lack of improvement in left ventricular ejection fraction, and a poorer functional status, but did not increase the risk of global or cardiovascular mortality or rehospitalizations at 1-year follow-up.

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Metadata

Authors
Urena, M., Webb, J. G., Cheema, A., Serra, V., Toggweiler, S., Barbanti, M., Cheung, A., Ye, J., Dumont, E., DeLarochellière, R., Doyle, D., Al Lawati, H. A., Peterson, M., Chisholm, R., Igual, A., Ribeiro, H. B., Nombela-Franco, L., Philippon, F., Garcia del Blanco, B., & Rodés-Cabau, J.
Venue
JACC: Cardiovascular Interventions
Publisher
Elsevier BV
Published
2014-02
Volume
7
Issue
2
Pages
128-136
ISSN
  • 1876-7605 (ISSN-L)
  • 1936-8798
OpenAlex
W2062789635
Cited by
171
References
3
FWCI
10.53
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Impact of New-Onset Persistent Left Bundle Branch Block on Late Clinical Outcomes in Patients Undergoing Transcatheter Aortic Valve Implantation With a Balloon-Expandable Valve. https://app.cochat.ai/papers/10.1016/j.jcin.2013.08.015
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Urena, M., Webb, J. G., Cheema, A., Serra, V., Toggweiler, S., Barbanti, M., Cheung, A., Ye, J., Dumont, E., DeLarochellière, R., Doyle, D., Al Lawati, H. A., Peterson, M., Chisholm, R., Igual, A., Ribeiro, H. B., Nombela-Franco, L., Philippon, F., Garcia del Blanco, B., & Rodés-Cabau, J. (2014). Impact of New-Onset Persistent Left Bundle Branch Block on Late Clinical Outcomes in Patients Undergoing Transcatheter Aortic Valve Implantation With a Balloon-Expandable Valve. JACC: Cardiovascular Interventions. https://doi.org/10.1016/j.jcin.2013.08.015

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.