Arrhythmias & electrophysiology
Dynamic data-driven management of atrial fibrillation with implantable cardiac monitors: The MONITOR atrial fibrillation (AF) study
Authors' conclusion
Dynamic monitoring with ICM is associated with beneficial AF outcomes with improved freedom from AF at 12 months and fewer complications.
Study context
- Population
- Patients with AF, 2018–2021
- Participants
- 2,293 patients
- Exposure
- ICM vs routine monitoring
- ICMn = 1,115
- Routine monitoringn = 1,178reference
- Outcome
- AF-related clinical outcomes (impact of implantable cardiac monitors (ICMs) on clinical management of AF)
- Follow-up
- 12 months
Methodological detailsmulticentre
- Multicentre
Main finding
As reported in the abstract
Freedom from AF
ICM
86.0%
P < 0.001
Observational data: associations, not effects.
Further findings
| Outcome | ICM | P value |
|---|---|---|
| Rhythm control attempts with antiarrhythmic drugs100% vs 59.9% | 100% | P < 0.001 |
| Catheter ablation attempts91.7% vs 59.7% | 91.7% | P < 0.001 |
| Freedom from antiarrhythmic drug use75.9% vs 39.4% | 75.9% | P < 0.001 |
| Freedom from OAC use69.6% vs 39.4% | 69.6% | P < 0.001 |
| Stroke0.3% vs 1.6% | 0.3% | P < 0.001 |
Safety
| Outcome | ICM | P value |
|---|---|---|
| Major bleeding1.6% vs 2.9% | 1.6% | P < 0.001 |
Original publication
Dynamic data-driven management of atrial fibrillation with implantable cardiac monitors: The MONITOR AF study. Heart Rhythm. Published 16 January 2025. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →