Postoperative Atrial Fibrillation or Flutter Following Transcatheter or Surgical Aortic Valve Replacement: PARTNER 3 Trial

Bahira Shahim, S. Chris Malaisrie, Isaac George, Vinod H. Thourani, Angelo B. Biviano, Mark Russo, David L. Brown, Vasilis Babaliaros, Robert A. Guyton, Susheel K. Kodali, Tamim M. Nazif, Samir Kapadia, Philippe Pibarot, James M. McCabe, Mathew Williams, Philippe Genereux, Michael Lu, Xiao Yu, Maria Alu, John G. WebbMichael J. Mack, Martin B. Leon, Ioanna Kosmidou*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Objectives: The aim of this study was to assess the incidence and prognostic impact of early and late postoperative atrial fibrillation or flutter (POAF) in patients with severe aortic stenosis (AS) treated with transcatheter aortic valve replacement (TAVR) or surgical aortic valve replacement (SAVR). Background: There is an ongoing controversy regarding the incidence, recurrence rate, and prognostic impact of early (in-hospital) POAF and late (postdischarge) POAF in patients with AS undergoing TAVR or SAVR. Methods: In the PARTNER (Placement of Aortic Transcatheter Valve) 3 trial, patients with severe AS at low surgical risk were randomized to TAVR or SAVR. Analyses were performed in the as-treated population excluding patients with preexistent atrial fibrillation or flutter. Results: Among 781 patients included in the analysis, early POAF occurred in 152 (19.5%) (18 of 415 [4.3%] and 134 of 366 [36.6%] following TAVR and SAVR, respectively). Following discharge, 58 new or recurrent late POAF events occurred within 1 year following the index procedure in 55 of 781 patients (7.0%). Early POAF was not an independent predictor of late POAF following discharge (odds ratio: 1.04; 95% CI: 0.52-2.08; P = 0.90). Following adjustment, early POAF was not an independent predictor of the composite outcome of death, stroke, or rehospitalization (hazard ratio: 1.10; 95% CI: 0.64-1.92; P = 0.72), whereas late POAF was associated with an increased adjusted risk for the composite outcome (hazard ratio: 8.90; 95% CI: 5.02-15.74; P < 0.0001), irrespective of treatment modality. Conclusions: In the PARTNER 3 trial, early POAF was more frequent following SAVR compared with TAVR. Late POAF, but not early POAF, was significantly associated with worse outcomes at 2 years, irrespective of treatment modality.

Original languageEnglish (US)
Pages (from-to)1565-1574
Number of pages10
JournalJACC: Cardiovascular Interventions
Issue number14
StatePublished - Jul 26 2021


  • atrial fibrillation
  • mortality
  • stroke
  • surgical aortic valve replacement
  • transcatheter aortic valve replacement

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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