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March 25, 2014Pacing and Clinical ElectrophysiologyOpen Access

Atrial Fibrillation Burden Estimates Derived from Intermittent Rhythm Monitoring are Unreliable Estimates of the True Atrial Fibrillation Burden

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Why the study?

Does intermittent rhythm monitoring accurately estimate true atrial fibrillation burden compared to continuous monitoring in patients with AF?

Population

647 patients with implantable continuous monitoring (CM) devices

Comparison

Simulated intermittent rhythm monitoring of… vs True atrial fibrillation burden measured by…

Design

Cohort

Follow-up

687 patient-years total

Authors

ECEfstratios I. CharitosCardiac SurgeryPZPaul ZieglerElectrophysiologyUSUlrich StierleGoethe University Frankfurt

Discussion

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Implication

Intermittent monitoring may substantially misestimate true AF burden; leaves open whether continuous assessment is required for accurate outcome evaluation.

Structured PICO

Does intermittent rhythm monitoring accurately estimate true atrial fibrillation burden compared to continuous monitoring in patients with AF?

P
Population
647 patients with implantable continuous monitoring (CM) devices
I
Intervention
Simulated intermittent rhythm monitoring (IRM) of various frequencies and durations
C
Comparator
True atrial fibrillation burden (AFB) measured by implantable continuous monitoring (CM) devices
O
Outcome
Relative error of IRM-derived AFB estimates compared to true AFBsurrogate

Intermittent rhythm monitoring provides unreliable estimates of true atrial fibrillation burden, particularly in paroxysmal AF, and should not be used to evaluate outcomes after AF interventions.

Cite This Study

Charitos et al. (2014) studied this question.

synapsesocial.com/papers/6a0f2b80a00258d2006ca12ahttps://doi.org/10.1111/pace.12389

Topics

Atrial fibrillationPersistent AF managementAnticoagulation in AFAF ablation outcomes
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Discerning the Incidence of Symptomatic and Asymptomatic Episodes of Atrial Fibrillation Before and After Catheter Ablation (DISCERN AF)2012 · 315 citations
  2. 2Continuous versus Intermittent Monitoring of Ventricular Rate in Patients with Permanent Atrial Fibrillation2012 · 9 citations
  3. 3Symptomatic and Asymptomatic Atrial Fibrillation in Patients Undergoing Radiofrequency Catheter Ablation2006 · 159 citations
  4. 4Incidence of Newly Detected Atrial Arrhythmias via Implantable Devices in Patients With a History of Thromboembolic Events2010 · 173 citations
  5. 5Use of a Noninvasive Continuous Monitoring Device in the Management of Atrial Fibrillation: A Pilot Study2012 · 183 citations