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Dual Defibrillator Improves Quality of Life and Decreases Hospitalizations in Patients with Drug Refractory Atrial Fibrillation

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Abstract

Aim of the study: to evaluate the impact of dual defibrillator implantation on quality of life and resource utilization in patients with drug refractory atrial fibrillation (AF) without prior ventricular arrhythmias.

Methods: Forty patients (28 M, mean age 64 ± 10) received a dual defibrillator Medtronic 7250. AF was persistent in 60% and paroxysmal in 40%.

Results: The follow-up lasted 15 ± 4 months (range 12–30). Eighty-five percent of patients had atrial tachyarrhythmia recurrences. Among 1366 treated episodes, overall success rate was 60.1% for antitachy pacing and 88.2% for atrial shock. Within one year after implant, arrhythmia related hospitalization number decreased from 1.5 ± 2.0 to 0.4 ± 0.8 (p < 0.01) and 77% of patients were free from hospitalization. As regard to quality of life, Symptom Checklist/Frequency and Severity Scale improved after implant for all items and SF-36 questionnaire showed significant improvements in physical activities because of health problems and social activities. The patients assigned to early delivery of atrial shock after AF onset, when compared with the patients who did not accept atrial shock, showed a significant reduction of AF burden, a higher reduction of hospitalization number and a greater improvement of quality of life.

Conclusion: Dual defibrillator improved quality of life and decreased resource utilization in patients with drug refractory AF. Early delivering of atrial shock seems to be the most effective option.

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Authors and Affiliations

  1. San Filippo Neri Hospital in, Rome, Italy

    Renato Ricci, Carlo Pignalberi & Massimo Santini

  2. Hospital General Universitario in Valencia, Spain

    Aurelio Quesada & Josè Roda

  3. Santa Chiara Hospital in Trento, Italy

    Marcello Disertori

  4. Civile Hospital in Piacenza, Italy

    Alessandro Capucci

  5. Umberto I Hospital in Mestre, Italy

    Antonio Raviele

Authors
  1. Renato Ricci
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  2. Aurelio Quesada
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  3. Carlo Pignalberi
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  4. Josè Roda
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  5. Marcello Disertori
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  6. Alessandro Capucci
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  7. Antonio Raviele
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  8. Massimo Santini
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Correspondence to Renato Ricci.

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Ricci, R., Quesada, A., Pignalberi, C. et al. Dual Defibrillator Improves Quality of Life and Decreases Hospitalizations in Patients with Drug Refractory Atrial Fibrillation. J Interv Card Electrophysiol 10, 85–92 (2004). https://doi.org/10.1023/B:JICE.0000011490.32755.40

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  • DOI: https://doi.org/10.1023/B:JICE.0000011490.32755.40

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