Cited by 115Atrial Fibrillation Management and OutcomesCardiac pacing and defibrillation studiesCardiovascular and Diving-Related Complications

Targeted Anticoagulation for Atrial Fibrillation Guided by Continuous Rhythm Assessment With an Insertable Cardiac Monitor: The Rhythm Evaluation for Anticoagulation With Continuous Monitoring (REACT.COM) Pilot Study

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PASSMAN, ROD, LEONG‐SIT, PETER, ANDREI, ADIN‐CRISTIAN, HUSKIN, ANNA, TOMSON, TODD T., BERNSTEIN, RICHARD, ELLIS, ETHAN, WAKS, JONATHAN W. +1 more·2016·Journal of Cardiovascular Electrophysiology

Abstract

The Rhythm Evaluation for Anticoagulation With Continuous Monitoring: Introduction: Chronic anticoagulation is recommended for patients with AF and additional stroke risk factors, even during long periods of sinus rhythm. Continuous rhythm assessment with an insertable cardiac monitor (ICM) and use of rapid onset novel oral anticoagulants (NOACs) allow for targeted anticoagulation only around an AF episode, potentially reducing bleeding complications without compromising stroke risk. Methods: This multicenter, single‐arm study enrolled patients on NOAC with nonpermanent AF and CHADS 2 score 1 or 2. After a 60‐day run‐in with no AF episodes ≥ 1 hour, NOACs were discontinued but reinitiated for 30 days following any AF episode ≥ 1 hour diagnosed through daily ICM transmissions. Major endpoints included time on NOAC, stroke, and bleeding. Results: Among 59 enrollees, 75% were male, age 67 ± 8 years, 76% paroxysmal AF, 69% had prior AF ablation, and mean CHADS 2 score 1.3 ± 0.5. Over 466 ± 131 mean days of follow‐up there were 24,004 ICM transmissions with a compliance rate of 98.7%. A total of 35 AF episodes ≥ 1 hour occurred in 18 (31%) patients, resulting in a total time on NOAC of 1,472 days. This represents a 94% reduction in the time on NOAC compared to chronic anticoagulation. There were three traumatic bleeds (all on aspirin), three potential transient ischemic attacks (all on aspirin with CHADS 2 score of 1), and no strokes or deaths. Conclusions: A targeted strategy of ICM‐guided intermittent NOAC administration is feasible. A large‐scale trial is necessary to evaluate the safety of this approach.

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  • The REACT.COM pilot study showed a 94% reduction in anticoagulation use compared with chronic anticoagulation treatment.

    “This study showed a 94% reduction in anticoagulation use compared with chronic anticoagulation treatment73, with a saving of approximately US$800 per patient over 3 years74.”

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Authors
PASSMAN, R., LEONG‐SIT, P., ANDREI, A., HUSKIN, A., TOMSON, T. T., BERNSTEIN, R., ELLIS, E., WAKS, J. W., & ZIMETBAUM, P.
Affiliations
  • Northwestern University (US)
  • Western University (CA)
  • Northwestern Memorial Hospital (US)
  • Beth Israel Deaconess Medical Center (US)
Venue
Journal of Cardiovascular Electrophysiology
Publisher
Wiley
Published
2015-11-23
Volume
27
Issue
3
Pages
264-270
ISSN
  • 1045-3873 (ISSN-L)
  • 1540-8167
OpenAlex
W1825229520
Cited by
115
References
30
Citations by year
2026: 2 · 2025: 7 · 2024: 13 · 2023: 11 · 2022: 5 · 2021: 15 · 2020: 12 · 2019: 13 · 2018: 13 · 2017: 11 · 2016: 11 · 2015: 1
FWCI
8.73
Type
journal article
Language
en
Open access
Locations
  • Journal of Cardiovascular Electrophysiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH (R34 HL113404-01)
  • Medtronic, Inc.
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac pacing and defibrillation studies
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cardiovascular and Diving-Related Complications
Keywords
atrial fibrillation, implantable cardiac monitors, continuous rhythm monitoring, direct oral anticoagulants, paroxysmal atrial fibrillation, CHADS2 score, stroke prevention, bleeding complications, time on therapy
MeSH terms
Administration, Oral, Aged, Anticoagulants, Atrial Fibrillation, Electrodes, Implanted, Female, Follow-Up Studies, Humans, Male, Middle Aged, Pilot Projects, Prospective Studies, Electrocardiography, Ambulatory, Drug Delivery Systems

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