Document Type

Article

Publication Title

Jacc Advances

Department

Pharmacy

ISSN

2772963X

Volume

4

Issue

4

DOI

10.1016/j.jacadv.2025.101612

First Page

1

Last Page

11

Publication Date

4-1-2025

Abstract

Background: Pericardial effusion (PEff) has been described to occur in association with direct oral anticoagulant (DOAC). Objectives: The purpose of this study was to assess the incidence, characteristics, and predisposing factors of PEff associated with DOACs. Methods: In this retrospective single center study, multivariable logistic regression analysis was used to identify factors associated with PEff in adult patients (age ≥18 years) in the Santa Clara Health System between 2013 and 2023. Results: Of the 456 patients with at least small to moderate PEff, 50 were on DOACs (DOAC PEff), 16 on warfarin (warfarin PEff), and 390 with no anticoagulation (NA PEff), with annual incidence 0.069%, 0.047%, and 0.001% for DOAC, warfarin, and NA PEff, respectively. Twenty-five (50%) of the DOAC PEff cases had moderately large or large PEff. Twenty-one cases underwent either percutaneous or surgical drainage. The DOAC PEff patients were significantly older and with more concurrent use of amiodarone. Logistic regression identified the following factors associated with moderately large or large PEff: DOAC (OR: 2.28; 95% CI: 1.19-4.37), warfarin (OR: 5.50; 95% CI: 1.88-16.06), concurrent use of amiodarone (OR: 4.32; 95% CI: 1.46-12.78), and presence of solid tumor (OR: 2.06; 95% CI: 1.25-3.39). Conclusions: This is the largest single center case series of DOAC PEff, with annual incidence higher than previously reported. Future research is needed to study the pharmacokinetic interactions between DOACs and commonly co-prescribed drugs as well as the cost-effectiveness of enhanced surveillance of PEff in those with solid cancer while on DOACs.

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