Postoperative Atrial Fibrillation and Risk of Development of Dementia.

ABSTRACT:

Background

Postoperative atrial fibrillation (POAF) is a common postsurgical complication with increased risk of mortality and morbidity, but its association with incident dementia is unknown.

Objectives

The purpose of this study was to determine if POAF is associated with increased risk of incident dementia.

Methods

This is a retrospective cohort study of Medicare beneficiaries, based on a 5% sample of claims from January 1, 2008, to December 31, 2018. We included adults aged at least 66 years with continuous coverage in Medicare who were hospitalized for surgery. Patients with prior diagnoses of dementia or stroke were excluded. Our primary exposure was AF status stratified as POAF, no AF, or previously diagnosed AF. Our primary outcome was a new diagnosis of dement

SUBMITTER: Goyal P 

PROVIDER: S-EPMC12805144 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature