Cited by 57Cardiac Arrhythmias and TreatmentsCongenital Heart Disease StudiesAtrial Fibrillation Management and Outcomes

Transbaffle mapping and ablation for atrial tachycardias after mustard, senning, or Fontan operations

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Correa, Rafael, Walsh, Edward P., Alexander, Mark E., Mah, Douglas Y., Cecchin, Frank, Abrams, Dominic J., Triedman, John K.·2013·Journal of the American Heart Association

Abstract

BACKGROUND: In Fontan and atrial switch patients, transcatheter ablation is limited by difficult access to the pulmonary venous atrium. In recent years, transbaffle access (TBA) has been described, but limited data document its safety and utility. METHODS AND RESULTS: All ablative electrophysiological study cases of this population performed between January 2006 and December 2010 at Boston Children's Hospital were reviewed. Pre-case and follow-up clinical characteristics were documented. Adverse events were classified by severity and attributability to the intervention. We included 118 cases performed in 90 patients. TBA was attempted in 74 cases and was successful in 96%: in 20 via baffle leak or fenestration and in 51 (94%) of 54 using standard or radiofrequency transseptal techniques. There were 10 procedures with adverse events ranked as moderate or more severe. The event rate was similar in both groups (TBA 8% versus non-TBA 9%, P = 1), and no events were directly attributable to TBA. There was a trend to higher proportion of cases having a > 5-point drop in saturations from baseline in the TBA group versus the non-TBA group in Fontan cases (15% vs 0%, P = 0.14). When cases with follow-up > 90 and > 365 days were analyzed, the median initial arrhythmia score of 5 significantly changed--3 points in both time periods (P ≤ 0.001). CONCLUSIONS: TBA is feasible in this population; its use was not associated with a higher incidence of adverse events; and changes in clinical scores support its efficacy. Desaturation observed in some patients is of uncertain significance but warrants postablation monitoring and prospective study.

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Crossref · 10.1161/jaha.113.000325

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Authors
Correa, R., Walsh, E. P., Alexander, M. E., Mah, D. Y., Cecchin, F., Abrams, D. J., & Triedman, J. K.
Affiliations
Boston Children's Hospital (US)
Corresponding author
Correa, Rafael
Venue
Journal of the American Heart Association
Published
2013-09-26
Volume
2
Issue
5
Pages
e000325-e000325
ISSN
2047-9980 (ISSN-L)
OpenAlex
W2131619407
Cited by
57
References
19
Citations by year
2026: 3 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 7 · 2018: 6 · 2017: 8 · 2016: 7 · 2015: 7 · 2014: 2
FWCI
3.63
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Journal of the American Heart Association (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
Keywords
atrial tachycardia, Fontan circulation, atrial switch operation, Mustard operation, Senning procedure, Fontan procedure, catheter ablation, radiofrequency ablation, baffle leak, procedural adverse events, desaturation, congenital heart disease
MeSH terms
Adolescent, Adult, Child, Child, Preschool, Heart Atria, Cardiac Surgical Procedures, Humans, Infant, Middle Aged, Prospective Studies, Retrospective Studies, Tachycardia, Catheter Ablation, Fontan Procedure, Young Adult

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