Key result
The abstract describes a study evaluating the impact of gender on late recurrence of atrial fibrillation after pulmonary vein isolation, but quantitative results are not reported.
Why the study?
Does gender impact clinical characteristics and late recurrence of atrial fibrillation or atrial tachycardia in patients with a small left atrium after pulmonary vein isolation?
Cohort (n=266)
Does gender impact clinical characteristics and late recurrence of atrial fibrillation or atrial tachycardia in patients with a small left atrium after pulmonary vein isolation?
Gender differences in late AF recurrence after PVI remain uncertain; leaves open whether sex influences ablation outcomes.
Background: Previous studies have reported that females had a worse cardiovascular risk profile and more frequent incidence of heart failure with preserved ejection fraction in atrial fibrillation (AF) patients. On the other hand, enlarged left atrium (LA) size is an established predictor for recurrence of AF after PVI. We occasionally experience recurrence of AF in patients with small LA. In small LA patients who underwent PVI, the impact of gender difference on clinical characteristics and late recurrence remains unclear. Methods: We enrolled 266 consecutive patients with small LA (<40mm) who underwent PVI from April 2010 to February 2017. Average follow-up period was 41 months. We compared the incidence of AF/AT late recurrence (3 months after PVI) and various predictors including age, gender, hypertension, diabetes mellitus, CHADS2 score, brain natriuretic peptide (BNP) level, left ventricular end-diastolic and end-systoloic diameter (LVDd, LVDs), left ventricular ejection fraction (LVEF) and tissue Doppler index (TDI) E/e' between males and females.
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Yano et al. (2018) conducted a cohort in Atrial fibrillation (n=266). Female gender vs. Male gender was evaluated on Incidence of AF/AT late recurrence (3 months after PVI). The abstract describes a study evaluating the impact of gender on late recurrence of atrial fibrillation after pulmonary vein isolation, but quantitative results are not reported.
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