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Comment & Response
November 2019

Reevaluating the Use of the Nationwide Inpatient Sample to Identify Incident Cases of Atrial Fibrillation After Aortic Valve Replacement

Author Affiliations
  • 1Department of Medicine, New York Medical College, Westchester Medical Center, Valhalla
  • 2Division of Cardiology, Department of Medicine, New York Medical College, Westchester Medical Center, Valhalla
  • 3Department of Cardiovascular Surgery, Mount Sinai Health System, New York, New York
JAMA Intern Med. 2019;179(11):1597-1598. doi:10.1001/jamainternmed.2019.4409

To the Editor Kalra et al1 used the Nationwide Inpatient Sample (NIS) to estimate the incidence of new-onset atrial fibrillation (AF) after transcatheter aortic valve implantation (TAVI) and surgical aortic valve replacement (AVR) and reported that 50% of patients develop AF after TAVI or AVR. We are concerned about the accuracy of the study results based on the methods used.

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