Gender Differences in Predictors and Long-Term Mortality of New-Onset Postoperative Atrial Fibrillation Following Isolated Aortic Valve Replacement Surgery
Aged, 80 and over
Heart Valve Prosthesis Implantation
Male
Time Factors
Aortic Valve Stenosis
Middle Aged
Risk Assessment
Severity of Illness Index
03 medical and health sciences
Sex Factors
Treatment Outcome
0302 clinical medicine
Risk Factors
Aortic Valve
Atrial Fibrillation
Humans
Original Article
Female
Hospital Mortality
10. No inequality
Aged
Retrospective Studies
DOI:
10.5761/atcs.oa.19-00314
Publication Date:
2020-04-27T22:08:04Z
AUTHORS (5)
ABSTRACT
Postoperative atrial fibrillation (POAF) after coronary artery bypass grafting (CABG) has been associated with increased risk of death in women but not in men. We aimed to explore predictors and long-term mortality in POAF following isolated aortic valve replacement (AVR) surgery in men and women.This study included 379 severe aortic stenosis patients with no prior atrial fibrillation (AF) who underwent isolated AVR surgery. We used multiple logistic regression to investigate independent gender-specific predictors of new-onset POAF, and we performed Kaplan-Meier (KM) to determine the impact of POAF in long-term mortality according to gender.Advanced age and coronary artery disease prevalence were higher among POAF patients in both genders. On multiple analysis, increased postoperative peak lactate was independently associated with POAF in men, while lower mean aortic valve gradient was associated with POAF in women. Area under the curve (AUC) for the model was 0.77 [0.68-0.86] and 0.69 [0.60-0.78] for men and women, respectively. At 4-year follow-up, POAF was linked to increased risk of death in men but not in women.In severe aortic stenosis, factors associated with POAF and its impact on mortality differed between genders, with an increased risk of death observed only in men.
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