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Do Women Require Less Permanent Pacemaker After Transcatheter Aortic Valve Implantation? A Meta-Analysis and Meta-Regression.

ABSTRACT: Background Limited clinical evidence and literature are available about the potential impact of sex on permanent pacemaker implantation (PPI) after transcatheter aortic valve implantation (TAVI). The aim of this work was to evaluate the relationship between sexes and atrioventricular conduction disturbances requiring PPI after TAVI. Methods and Results Data were obtained from 46 studies from PubMed reporting information about the impact of patient sex on PPI after TAVI. Total proportions with 95% Cls were reported. Funnel plot and Egger test were used for estimation of publication bias. The primary end point was 30-day or in-hospital PPI after TAVI, with odds ratios and 95% CIs extracted. A total of 70 313 patients were included, with a cumulative proportion of 51.5% of women (35 691 patients; 95% CI, 50.2-52.7). The proportion of women undergoing TAVI dropped significantly over time (P<0.0001). The cumulative PPI rate was 15.6% (95% CI, 13.3-18.3). The cumulative rate of PPI in women was 14.9% (95% CI, 12.6-17.6), lower than in men (16.6%; 95% CI, 14.2-19.4). The risk for post-TAVI PPI was lower in women (odds ratio, 0.90; 95% CI, 0.84-0.96 [P=0.0022]). By meta-regression analysis, age (P=0.874) and ventricular function (P=0.302) were not significantly associated with PPI among the sexes. Balloon-expandable TAVI significantly decrease the advantage of women for PPI, approaching the same rate as in men (P=0.0061). Conclusions Female sex is associated with a reduced rate of PPI after TAVI, without influence of age or ventricular function. Balloon-expandable devices attenuate this advantage in favor of women. Additional investigations are warranted to elucidate sex-based differences in developing conduction disturbances after TAVI.

SUBMITTER: Ravaux JM

PROVIDER: S-EPMC8174375 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:ImportanceThe literature is inconsistent regarding the impact of permanent pacemaker implantation after transcatheter aortic valve replacement.ObjectiveTo evaluate clinical and economic outcomes in patients who required permanent pacemaker implantation during the index hospitalization after transcatheter aortic valve replacement.Design, setting, and participantsThis retrospective, population-based cohort study using data from a multicenter registry included patients who underwent a transcatheter aortic valve replacement procedure from April 1, 2010, to March 31, 2015, in Ontario, Canada, with follow-up to March 31, 2017. Patients who had a previously implanted permanent pacemaker or who died during the index hospitalization were excluded. Inverse probability of treatment weighting using the propensity score was used to adjust for baseline differences between the pacemaker and nonpacemaker groups.ExposuresPatients received a permanent pacemaker during the index hospitalization after transcatheter aortic valve replacement.Main outcomes and measuresAll-cause mortality, readmission, readmission for heart failure, emergency department visits, and cumulative 1-year health care costs.ResultsThe study cohort consisted of 1263 patients (mean [SD] age, 82.3 [7.2] years; 595 [47.1%] female; 137 [10.8%] rural), of whom 186 (14.7%) required permanent pacemaker insertion during the index hospitalization after transcatheter aortic valve replacement. Mean follow-up was 990 days. After propensity score weighting, over the entire follow-up period, pacemaker implantation was associated with significantly higher all-cause mortality (43.9% vs 31.7%; hazard ratio [HR], 1.40; 95% CI, 1.01-1.94; P?=?.04), all-cause readmission (80.9% vs 70.6%; HR, 1.28; 95% CI, 1.15-1.43; P?<?.001), and emergency department visits (95.5% vs 87.3%; HR, 1.28; 95% CI, 1.08-1.52; P?=?.004). Pacemaker implantation was also associated with significantly greater readmission for heart failure (33.9% vs 19.1%; HR, 1.90; 95% CI, 1.53-2.36; P?<?.001). There were no statistically significant differences between groups in adjusted cumulative health care costs 1 year after discharge.Conclusions and relevanceNew permanent pacemaker implantation after transcatheter aortic valve replacement was associated with significantly greater morbidity and mortality at long-term follow-up. However, this did not translate to a difference in cumulative health care costs after hospital discharge.

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Do Women Require Less Permanent Pacemaker After Transcatheter Aortic Valve Implantation? A Meta-Analysis and Meta-Regression.

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