Atrial Fibrillation Is Associated With Mortality in Intermediate Surgical Risk Patients With Severe Aortic Stenosis: Analyses From the PARTNER 2A and PARTNER S3i Trials

Author:

Brener Michael I.1ORCID,George Isaac1ORCID,Kosmidou Ioanna12,Nazif Tamim1,Zhang Zixuan2ORCID,Dizon Jose M.1,Garan Hasan1,Malaisrie S. Chris3ORCID,Makkar Raj4,Mack Michael5,Szeto Wilson Y.6,Fearon William F.7ORCID,Thourani Vinod H.8,Leon Martin B.12,Kodali Susheel1,Biviano Angelo B.1ORCID

Affiliation:

1. Division of Cardiology NewYork Presbyterian‐Columbia University Medical Center New York NY

2. Cardiovascular Research Foundation New York NY

3. Northwestern University Feinberg School of Medicine Chicago IL

4. Cedars‐Sinai Medical Center Los Angeles CA

5. Baylor Scott & White Health Plano TX

6. University of Pennsylvania Philadelphia PA

7. Stanford University Stanford CA

8. Piedmont Heart & Vascular Institute Atlanta GA

Abstract

Background The impact of atrial fibrillation (AF) in intermediate surgical risk patients with severe aortic stenosis who undergo either transcatheter or surgical aortic valve replacement (AVR) is not well established. Methods and Results Data were assessed in 2663 patients from the PARTNER (Placement of Aortic Transcatheter Valve) 2A or S3i trials. Analyses grouped patients into 3 categories according to their baseline and discharge rhythms (ie, sinus rhythm [SR]/SR, SR/AF, or AF/AF). Among patients with transcatheter AVR (n=1867), 79.2% had SR/SR, 17.6% had AF/AF, and 3.2% had SR/AF. Among patients with surgical AVR (n=796), 71.7% had SR/SR, 14.1% had AF/AF, and 14.2% had SR/AF. Patients with transcatheter AVR in AF at discharge had increased 2‐year mortality (SR/AF versus SR/SR; hazard ratio [HR], 2.73; 95% CI, 1.68–4.44; P <0.0001; AF/AF versus SR/SR; HR, 1.56; 95% CI, 1.16–2.09; P =0.003); patients with SR/AF also experienced increased 2‐year mortality relative to patients with AF/AF (HR, 1.77; 95% CI, 1.04–3.00; P =0.03). For patients with surgicalAVR, the presence of AF at discharge was also associated with increased 2‐year mortality (SR/AF versus SR/SR; HR, 1.93; 95% CI, 1.25–2.96; P =0.002; and AF/AF versus SR/SR; HR, 1.67; 95% CI, 1.06–2.63; P =0.027). Rehospitalization and persistent advanced heart failure symptoms were also more common among patients with transcatheter AVR and surgical AVR discharged in AF, and major bleeding was more common in the transcatheter AVR cohort. Conclusions The presence of AF at discharge in patients with intermediate surgical risk aortic stenosis was associated with worse outcomes—especially in patients with baseline SR—including increased all‐cause mortality at 2‐year follow‐up. Registration URL: https://www.clinicaltrials.gov ; Unique identifiers: NCT01314313 and NCT03222128.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Cardiology and Cardiovascular Medicine

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