Age elevates mortality, stroke, pacemaker implantation risk
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Risk for mortality, stroke and permanent pacemaker implantation after transcatheter aortic valve replacement increased with age, according to new data from the SwissTAVI Registry.

The aim of this study was to investigate age-related outcomes of patients undergoing transcatheter aortic valve replacement (TAVR) as assessed in a nationwide, prospective, multicenter cohort study.

TAVR is the preferred treatment for elderly patients with severe aortic stenosis and is expanding into lower age groups.

Data from the SwissTAVI Registry were analyzed. Clinical outcomes were compared between patients 70 years of age or younger (n = 324), 70 to 79 years of age (n = 1,913), 80 to 89 years of age (n = 4,353), and older than 90 years of age (n = 507). Observed deaths were correlated with expected deaths in the general Swiss population using standardized mortality ratios.

-- Between February 2011 and June 2018, 7,097 patients (mean age 82.0 ± 6.4 years, 49.6% women) underwent TAVR at 15 hospitals in Switzerland.

-- Procedural characteristics were similar; however, older patients more often had discharge to the referring hospital or a rehabilitation facility after TAVR. Using adjusted analyses, a linear trend for mortality, cerebrovascular accidents, and pacemaker implantation was observed with increasing age.

-- Furthermore, standardized mortality ratios were 12.63, 4.09, 1.63, and 0.93 for TAVR patients in relation to the Swiss population less than 70, 70 to 79, 80 to 89 and more than 90 years of age, respectively.

Conclusively, increasing age is associated with a linear trend for mortality, stroke, and pacemaker implantation during early and longer term follow-up after TAVR. Standardized mortality ratios were higher for TAVR patients younger than 90 years of age compared with expected rates of mortality in an age- and sex-matched Swiss population.