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  3. Prevalence and Impact of Atrial Fibrillation in Patients With Severe Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement: An Analysis From the SOURCE XT Prospective Multicenter Registry.
 

Prevalence and Impact of Atrial Fibrillation in Patients With Severe Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement: An Analysis From the SOURCE XT Prospective Multicenter Registry.

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BORIS DOI
10.7892/boris.89748
Date of Publication
May 9, 2016
Publication Type
Article
Division/Institute

Universitätsklinik fü...

Author
Tarantini, Giuseppe
Mojoli, Marco
Windecker, Stephan
Universitätsklinik für Kardiologie
Wendler, Olaf
Lefèvre, Thierry
Saia, Francesco
Walther, Thomas
Rubino, Paolo
Bartorelli, Antonio L
Napodano, Massimo
D'Onofrio, Augusto
Gerosa, Gino
Iliceto, Sabino
Vahanian, Alec
Subject(s)

600 - Technology::610...

Series
JACC. Cardiovascular Interventions
ISSN or ISBN (if monograph)
1876-7605
Publisher
Elsevier
Language
English
Publisher DOI
10.1016/j.jcin.2016.01.037
PubMed ID
27085579
Uncontrolled Keywords

TAVR

atrial fibrillation

new-onset atrial fibr...

pre-existing atrial f...

stroke

Description
OBJECTIVES

The aims of this study were to assess the epidemiology of atrial fibrillation (AF) in patients treated with transcatheter aortic valve replacement (TAVR) and included in the large prospective SOURCE XT (SAPIEN XT Aortic Bioprosthesis Multi-Region Outcome Registry) study and to evaluate their outcomes according to the presence of pre-existing or new-onset AF (NOAF) (defined as AF occurring within 30 days after TAVR).

BACKGROUND

Data on the epidemiology and clinical impact of AF in patients undergoing TAVR are scant and limited to small retrospective studies.

METHODS

The SOURCE XT study is a multicenter, prospective registry of consecutive patients treated with the SAPIEN XT valve at 99 sites in 17 countries. Follow-up was scheduled at discharge, 1 month, 1 year, and yearly thereafter. Patients (n = 2,706) were categorized according to the presence of pre-existing or NOAF.

RESULTS

The prevalence of pre-existing AF was 35.6%, whereas NOAF occurred in 7.2% of patients. Both pre-existing AF and NOAF correlated with worse clinical outcomes compared with patients in sinus rhythm, including all-cause death, cardiac death, and bleeding events. NOAF was associated with higher rates of stroke at 2 years compared with sinus rhythm. Independent predictors of NOAF were age (hazard ratio: 1.1), New York Heart Association class III or IV (hazard ratio: 1.9), nontransfemoral access route (hazard ratio: 3), and balloon post-dilation (odds ratio: 1.6). No interaction was observed between any degree of post-implantation paravalvular leak and NOAF.

CONCLUSIONS

In the large dataset of the SOURCE XT registry, the presence of either pre-existing or NOAF increased all-cause and cardiac mortality and bleeding events. NOAF was associated with increased stroke rates at long-term follow-up.
Handle
https://boris-portal.unibe.ch/handle/20.500.12422/146022
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