COMParison of Algorithms for Rotational Evaluation in Atrial Fibrillation (COMPARE_AF)

  • STATUS
    Recruiting
  • End date
    Nov 30, 2026
  • participants needed
    200
  • sponsor
    Stanford University
Updated on 12 May 2022
fibrillation

Summary

This is a cohort study to evaluate algorithms for mapping atrial fibrillation by mapping atrial structure and mapping electrical activity to detect focal and rotational activity.

Description

In this study, the investigators will compare mapping approaches for atrial fibrillation ablation.

First, investigators will compare approaches to map atrial structure from collected computed tomography (CT) scans or magnetic resonance imaging (MRI) scans acquired routinely in patients undergoing ablation for atrial fibrillation. Imaging will be acquired from a variety of clinically approved

Second, investigators will compare approaches to analyze electrograms collected routinely at clinical electrophysiology study (EPS) in patients undergoing ablation for atrial fibrillation. Electrograms will be recorded from a variety of clinically approved catheters under standard of care conditions, and will be analyzed to better understand the mechanisms for atrial fibrillation and its relationship to outcomes.

The investigators anticipate analyzing data from 200 patients through December 2017.

Details
Condition Atrial Fibrillation, Abnormal Heart Rhythms
Clinical Study IdentifierNCT02997254
SponsorStanford University
Last Modified on12 May 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

aged 21-80 yrs who underwent electrophysiology study for ablation of Atrial Fibrillation

Exclusion Criteria

Poor data quality of recordings of AF
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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