Texas Heart Institute journal · 2024
Impact of Atrial Fibrillation Type on Outcomes of Transcatheter Aortic Valve Replacement for Aortic Stenosis: A Single-Center Analysis.
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Yamashita Yoshiyuki, Sicouri Serge, Baudo Massimo, Rodriguez Roberto, Gnall Eric M, Coady Paul M, Jarrett Harish, Abramson Sandra V, Hawthorne Katie M, Goldman Scott M, Gray William A, Ramlawi Basel
Аннотация
BACKGROUND: Atrial fibrillation (AF) is a recognized risk factor for mortality after transcatheter aortic valve replacement for severe aortic stenosis, but the impact of different types of AF on clinical outcomes remains unclear.
METHODS: This retrospective study included 982 patients divided into 3 groups: no AF, paroxysmal AF, and nonparoxysmal AF (persistent or permanent). Clinical outcomes were analyzed using inverse probability weighting and multivariate models.
RESULTS: There were 610, 211, and 161 patients in the no-AF, paroxysmal AF, and nonparoxysmal AF groups, respectively. For the entire cohort, the mean (SD) age was 82 (7.7) years, and the periprocedural, 1-year, and 5-year mortality rates were 2.0%, 12%, and 50%, respectively. After inverse probability weighting, the periprocedural mortality rate was higher in the nonparoxysmal AF group than in the no-AF group (odds ratio, 4.71 [95% CI, 1.24-17.9]). During 5 years of follow-up (median [IQR], 22 [0-69] months), all-cause mortality was higher in the nonparoxysmal AF group than in the no-AF group (hazard ratio [HR], 1.56 [95% CI, 1.14-2.14]; P = .006). The paroxysmal AF group was not associated with worse clinical outcomes than the no-AF group (HR, 1.02 [95% CI, 0.81-1.49]) for all-cause mortality. Stroke rates were comparable among the 3 groups. Multivariate analysis also showed increased all-cause mortality in the nonparoxysmal AF group compared with the no-AF group (adjusted HR, 1.43 [95% CI, 1.06-1.93]; P = .018), while all-cause mortality was comparable between the paroxysmal AF and no-AF groups (adjusted HR, 1.00 [95% CI, 0.75-1.33]).
CONCLUSION: In patients undergoing transcatheter aortic valve replacement for severe aortic stenosis, having nonparoxysmal AF was associated with a higher risk of periprocedural and all-cause mortality compared with having no AF. Paroxysmal AF showed no such association.
METHODS: This retrospective study included 982 patients divided into 3 groups: no AF, paroxysmal AF, and nonparoxysmal AF (persistent or permanent). Clinical outcomes were analyzed using inverse probability weighting and multivariate models.
RESULTS: There were 610, 211, and 161 patients in the no-AF, paroxysmal AF, and nonparoxysmal AF groups, respectively. For the entire cohort, the mean (SD) age was 82 (7.7) years, and the periprocedural, 1-year, and 5-year mortality rates were 2.0%, 12%, and 50%, respectively. After inverse probability weighting, the periprocedural mortality rate was higher in the nonparoxysmal AF group than in the no-AF group (odds ratio, 4.71 [95% CI, 1.24-17.9]). During 5 years of follow-up (median [IQR], 22 [0-69] months), all-cause mortality was higher in the nonparoxysmal AF group than in the no-AF group (hazard ratio [HR], 1.56 [95% CI, 1.14-2.14]; P = .006). The paroxysmal AF group was not associated with worse clinical outcomes than the no-AF group (HR, 1.02 [95% CI, 0.81-1.49]) for all-cause mortality. Stroke rates were comparable among the 3 groups. Multivariate analysis also showed increased all-cause mortality in the nonparoxysmal AF group compared with the no-AF group (adjusted HR, 1.43 [95% CI, 1.06-1.93]; P = .018), while all-cause mortality was comparable between the paroxysmal AF and no-AF groups (adjusted HR, 1.00 [95% CI, 0.75-1.33]).
CONCLUSION: In patients undergoing transcatheter aortic valve replacement for severe aortic stenosis, having nonparoxysmal AF was associated with a higher risk of periprocedural and all-cause mortality compared with having no AF. Paroxysmal AF showed no such association.