Transcatheter aortic valve implantation in Uppsala University Hospital 2009–2023: outcomes and temporal trends

Elisa de Wilde; Leonardo  Olivetti; Stefan James; Christina  Christersson; Sergio Buccheri; Rickard Lindblom; Azad Amin; Giovanna  Sarno

doi:10.48101/ujms.v130.10999

Elisa de Wilde Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Uppsala Clinical Research Center, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0009-0001-1822-7997
Leonardo Olivetti Department of Earth Sciences, Uppsala University, Uppsala, Sweden; Centre of Natural Hazards and Disaster Science (CNDS), Uppsala University, Uppsala, Sweden; and Swedish Centre for Impacts of Climate Extremes (climes), Uppsala University, Uppsala, Sweden https://orcid.org/0009-0003-4904-4362
Stefan James Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Uppsala Clinical Research Center, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0000-0003-4413-9736
Christina Christersson Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Uppsala Clinical Research Center, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0000-0001-9116-8084
Sergio Buccheri Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Uppsala Clinical Research Center, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0000-0002-7767-3073
Rickard Lindblom Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0000-0001-7913-4981
Azad Amin Uppsala University Hospital, Uppsala, Sweden
Giovanna Sarno Department of Medical Sciences, Uppsala University, Uppsala, Sweden; Uppsala Clinical Research Center, Uppsala, Sweden; and Uppsala University Hospital, Uppsala, Sweden https://orcid.org/0000-0002-5582-8281

DOI: https://doi.org/10.48101/ujms.v130.10999

Keywords: Aortic stenosis, TAVI, registry, mortality, survival analysis

Abstract

Background: In recent years, transcatheter aortic valve implantation (TAVI) has rapidly emerged as a key treatment option for aortic stenosis. TAVI has been performed at Uppsala University Hospital since 2009. Data on TAVI procedures have been collected in a nation-wide all-comer registry, the Swedish Transcatheter Cardiac Intervention Registry (SWENTRY). However, only limited analysis has been conducted on trends in short- and long-term outcomes of TAVI patients in Sweden.

Methods: This registry-based cohort study aims to evaluate outcome trends and long-term prognosis in patients who underwent TAVI in a Swedish single center between 2009 and 2023. Survival outcomes were studied using the Kaplan–Meier method. Cox Proportional Hazards models were used to adjust for differences in patient characteristics over time.

Results: In total, 1,741 TAVI procedures were performed between 2009 and 2023. Immediate procedural mortality and 1-year mortality averaged at 0.9 and 8.1%, respectively. Both procedural and long-term mortality showed a decreasing trend over time. Similar results were observed when controlling for comorbidities and age.

Conclusions: Short-term outcomes and long-term prognosis have been constantly improving for patients undergoing TAVI within this study. Similar mortality and complication trends have been observed in other registry studies. These trends may be attributed to improvements in the quality of care, and the increased use of TAVI in lower risk patients.

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