An observational study in Atrial Fibrillation, sponsored by Valley Health System. Completed at 1 site in United States. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2014-12-16.
Sponsored by Valley Health System · Observational
Ablation of atrial fibrillation (AF) using pulmonary vein isolation is employed when patients do not respond favorably to medical therapy. Successful procedures are accomplished in the majority of patients, but the outcome after many years of follow-up after ablation is unknown.
A prospectively identified cohort of 445 patients who demonstrated freedom from AF for at least one year following ablation (single procedure in 391, 87.9%) was followed for 66.0 ± 34.0 months. Patients were seen at least annually as outpatients, and underwent regular ECG monitoring, especially if there were symptoms suggestive of recurrent arrhythmia. Continued absence of arrhythmia was defined as freedom from AF or flutter > 30 secs.
3,870 studies on the registry are indexed under Atrial Fibrillation; 924 are open to participants now.
This study's enrollment of 445 is above the median of 300 across 1,363 observational studies indexed under Atrial Fibrillation.
Browse Atrial Fibrillation studies →Valley Health System is the lead sponsor of 11 studies on the registry; 2 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Patients who underwent PVI ablation for drug refractory AF over a 10 year period and were free of AF for one year after last ablation procedure
Exclusion Criteria:
Patients who had undergone PVI ablation for AF and were free of AF for at least one year
Atrial fibrillation or flutter > 30 secs
Time frame: More than one year after successful primary ablation or redo procedure within 6 mos
This study is completed, as verified in Dec 2014. You cannot join it, but the record below documents what was studied.
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Valley Health System