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Migraine headaches following catheter ablation for atrial fibrillation.

Summary of "Migraine headaches following catheter ablation for atrial fibrillation."


BACKGROUND:
Atrial septal defects (ASD), including patent foramen ovale, have been linked to an increased prevalence of migraine headaches in the general population. A similar association with migraine is speculated for iatrogenic ASD due to atrial septal puncture during catheter ablation for atrial fibrillation (AF).
METHODS:
A total of 2,069 patients who underwent catheter ablation for AF at Mayo Clinic, Rochester, MN between January 2001 and December 2008 were scheduled for follow-up at least at 3 months and annually thereafter. Data were collected from the questionnaires patients answered at follow-up inquiring about presence and characteristics of any headaches following the procedure and further chart review. Definite migraine was diagnosed based on clinical features per the International Classification of Headache Disorder-II definition.
RESULTS:
Twenty-two patients (1.1%) had a new-onset definite migraine, 12 (0.6%) had a new-onset probable migraine, ten (0.5%) with a previous history of migraine had worsened headaches, and four (0.2%) had headache due to an alternate identifiable cause; a total of 48 patients (2.3%) reported post-procedural headaches. Nineteen of 22 patients (86%) with definite migraine had complete resolution of symptoms at 1- to 2-year follow-up.
CONCLUSION:
New-onset migraine is an uncommon and usually temporary side effect of catheter ablation for AF. The mechanism for post-procedure headache remains unclear.

Affiliation

Division of Cardiovascular Diseases, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN, 55905, USA.

Journal Details

This article was published in the following journal.

Name: Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
ISSN: 1572-8595
Pages:

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Long-term changes in the electrophysiological parameters and/or anatomical structures of the HEART ATRIA that result from prolonged changes in atrial rate, often associated with ATRIAL FIBRILLATION or long periods of intense EXERCISE.

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