Cited by 62Atrial Fibrillation Management and OutcomesCardiac Arrhythmias and TreatmentsCardiac electrophysiology and arrhythmias

Proarrhythmic Aspects of Atrial Fibrillation Surgery: Mechanisms of Postoperative Macroreentrant Tachycardias

McElderry, H. Thomas, McGiffin, David C., Plumb, Vance J., Nanthakumar, Kumaraswamy, Epstein, Andrew E., Yamada, Takumi, Kay, G. Neal·2008·Circulation

Abstract

BACKGROUND: Surgery for the treatment of atrial fibrillation may be associated with early or late postoperative atrial arrhythmias. In many cases, the arrhythmias that occur early in the postoperative course may be related to pericardial inflammation or increased catecholamine levels and tend to resolve without further therapy. In contrast, late postoperative arrhythmias often are persistent, highly symptomatic, and refractory to medical therapy. The incidence and mechanisms of these late atrial arrhythmias have not been thoroughly described. METHODS AND RESULTS: In this study, a total of 143 consecutive patients undergoing atrial fibrillation surgery from 1996 to 2005 were prospectively followed up. Sustained atrial tachycardia developed in 22 of 143 patients (15%) >8 weeks after the surgical procedure. These patients underwent electrophysiological study. A total of 25 separate tachycardias were mapped in these 22 patients, including 15 located in right atrium and 10 in the left atrium. Right atrial tachycardias included cavotricuspid isthmus-dependent atrial flutter (n=7), non-isthmus-dependent right atrial reentry (n=7), and 1 focal atrial tachycardia. Left atrial tachycardias included reentry around the mitral valve (n=3) and in the roof of the left atrium (n=7). All tachycardias were successfully treated with radiofrequency catheter ablation with no recurrences in long-term follow-up. CONCLUSIONS: Postoperative arrhythmias are not uncommon late after surgery for atrial fibrillation and typically are reentrant and related to surgically created boundaries. Radiofrequency catheter ablation is highly effective in the management of these late arrhythmias.

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Crossref · 10.1161/circulationaha.107.688358

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  1. Spach MS, Miller WT, Geselowitz DB, Barr RC, Kootsey JM, Johnson EA. The discontinuous nature of propagation in normal canine cardiac muscle. Circ Res. 1981;48:39 -54.

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Authors
McElderry, H. T., McGiffin, D. C., Plumb, V. J., Nanthakumar, K., Epstein, A. E., Yamada, T., & Kay, G. N.
Affiliations
University of Alabama at Birmingham (US)
Venue
Circulation
Published
2008-01-15
Volume
117
Issue
2
Pages
155-162
ISSN
  • 0009-7322 (ISSN-L)
  • 1524-4539
OpenAlex
W2117904030
Cited by
62
References
32
Citations by year
2025: 1 · 2024: 6 · 2023: 2 · 2022: 1 · 2021: 6 · 2020: 2 · 2019: 6 · 2018: 3 · 2017: 9 · 2016: 3 · 2015: 7 · 2014: 3 · 2012: 5
FWCI
1.64
Type
journal article
Language
en
Open access
closed
Locations
  • Circulation (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
atrial fibrillation surgery, postoperative atrial arrhythmia, drug-induced arrhythmia, atrial tachycardia, atrial flutter, reentrant tachycardia, radiofrequency catheter ablation, electrophysiological mapping, left atrial tachycardia, right atrial tachycardia
MeSH terms
Adult, Aged, Arrhythmias, Cardiac, Atrial Fibrillation, Female, Humans, Male, Middle Aged, Postoperative Complications, Prospective Studies, Tachycardia, Time Factors, Catheter Ablation, Body Surface Potential Mapping

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