Impact of atrial fibrillation/flutter on outcomes of patients with implantable cardioverter defibrillators: A sub-analysis of the Nippon Storm study

•This is a sub-analysis from the NIPPON storm study, a multicenter cohort study in Japan.•Atrial fibrillation/flutter (AF) is an independent risk factor for all-cause death and inappropriate implantable cardioverter-defibrillator therapy.•Incidence of sudden death and arrhythmic death is higher in p...

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Bibliographic Details
Published in:Journal of cardiology 2021-09, Vol.78 (3), p.244-249
Main Authors: Maruyama, Masahiro, Yasuoka, Ryobun, Nagano, Tomoya, Nakazawa, Gaku, Noda, Takashi, Nitta, Takashi, Aizawa, Yoshifusa, Ohe, Tohru, Kurita, Takashi
Format: Article
Language:English
Subjects:
Atrial fibrillation
Implantable cardioverter
Inappropriate therapy
Mortality
Nippon Storm study
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Summary:•This is a sub-analysis from the NIPPON storm study, a multicenter cohort study in Japan.•Atrial fibrillation/flutter (AF) is an independent risk factor for all-cause death and inappropriate implantable cardioverter-defibrillator therapy.•Incidence of sudden death and arrhythmic death is higher in patients with AF. Implantable cardioverter-defibrillator and cardiac resynchronization therapy using a defibrillator (ICD/CRT-D) are established means of reducing mortality due to ventricular arrhythmia. Although atrial fibrillation/flutter (AF) is the most common cardiac arrhythmia in patients with heart disease, the impact of AF on the prognosis of patients with ICD/CRT-D remains controversial. We analyzed data from the Nippon Storm Study, a prospective observational study of 1570 patients that was conducted at 48 Japanese ICD centers. We allocated 1549 participants to AF and non-AF groups, compared their clinical data at the time of enrollment, and monitored the incidences of mortality, hospitalization, and appropriate and inappropriate ICD/CRT-D therapy during a median 28 months. When the AF (n = 257, 16.6%) and non-AF-(n = 1292, 83.4%) groups were compared, the AF group was older (67.7 vs. 61.4 years; p
ISSN:0914-5087
1876-4738
DOI:10.1016/j.jjcc.2021.04.003