Cited by 43Atrial Fibrillation Management and OutcomesCardiac Arrhythmias and TreatmentsCardiac pacing and defibrillation studies

Impact of lesion sets on mid-term results of surgical ablation procedure for atrial fibrillation

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Onorati, Francesco, Mariscalco, Giovanni, Rubino, Antonino Salvatore, Serraino, Filiberto, Santini, Francesco, Musazzi, Andrea, Klersy, Catherine, Sala, Andrea +1 more·2011·Journal of the American College of Cardiology

Abstract

Objectives The objective of this study was to evaluate the effects of different lesion sets of ablation in patients undergoing mitral surgery plus maze.Background The role of lesion sets on outcome after maze is poorly defined.Methods A total of 141 patients were prospectively followed up. Two different lesion sets were prepared: 32 patients underwent a radiofrequency left atrial lesion set of maze ("limited"), and 109 had combined left and right atrial lesion sets of maze ± ganglionic plexi isolation ("extensive"). A longitudinal observational study assessed the role of "extensive" versus "limited" ablation on atrial fibrillation (AF), New York Heart Association (NYHA) functional class II/III, treatment with antiarrhythmic drugs, follow-up recovery of the ratio of E- to A-wave (E/A), and survival and time to hospitalization (overall and for heart failure).Results The prevalence of AF over time was lower in the "extensive" arm (adjusted relative risk [RR]: 0.10; 95% confidence interval [CI]: 0.03 to 0.31; p < 0.001), with significantly lower prevalence at discharge, 3 months, and 18 months. The prevalence of patients in NYHA functional class II/III over time was lower in the "extensive" arm (adjusted RR: 0.11; 95% CI: 0.03 to 0.34; p < 0.001), with significant differences at any assessment (except the third month). The differences in E/A recovery and use of antiarrhythmic drugs were less marked, with an RR of 1.55 (95% CI: 0.99 to 2.42; p = 0.05) and RR of 0.76 (95% CI: 0.54 to 1.06; p = 0.11), respectively, with a significantly lower prevalence of antiarrhythmic drugs in the "extensive" ablation arm at 12, 18, and 24 months. Rates of hospitalization for heart failure, overall hospitalization, and the combined event death/hospitalization were lower in the "extensive" arm (p = 0.11, p = 0.003, and p = 0.002, respectively).Conclusions The addition of right-sided ablation improves clinical and electrophysiologic results after maze procedure.

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Crossref · 10.1016/j.jacc.2010.09.055

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Authors
Onorati, F., Mariscalco, G., Rubino, A. S., Serraino, F., Santini, F., Musazzi, A., Klersy, C., Sala, A., & Renzulli, A.
Affiliations
  • University of Verona (IT)
  • University of Insubria (IT)
  • Magna Graecia University (IT)
  • Policlinico San Matteo Fondazione (IT)
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
2011-02
Volume
57
Issue
8
Pages
931-940
ISSN
0735-1097 (ISSN-L)
OpenAlex
W2054921489
Cited by
43
References
20
Citations by year
2024: 2 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 1 · 2019: 3 · 2018: 5 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 5 · 2013: 5 · 2012: 3
FWCI
3.29
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
  • IrInSubria (University of Insubria) (submittedVersion)
  • Archivio Istituzionale della Ricerca - Università degli Studi della Campania "Luigi Vanvitelli" (submittedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
  • Iris (University of Trento) (submittedVersion)
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 pacing and defibrillation studies
Keywords
atrial fibrillation, catheter ablation, mitral valve surgery, radiofrequency ablation, heart failure hospitalization, antiarrhythmic drug use, NYHA functional class, E/A ratio, survival, long-term outcomes
MeSH terms
Aged, Atrial Fibrillation, Electrocardiography, Female, Humans, Longitudinal Studies, Male, Middle Aged, Postoperative Complications, Prognosis, Recurrence, Severity of Illness Index, Time Factors, Cohort Studies, Incidence, Survival Rate, Confidence Intervals, Odds Ratio, Treatment Outcome, Catheter Ablation, Age Distribution, Sex Distribution, Perioperative Care, Kaplan-Meier Estimate

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