Materials and Methods
Patient data were collected from a database that included surgical
intervention, preoperative comorbidities, as well as postoperative
complications and outcomes. 2,912 patients who had undergone either a MV
repair or replacement from 2004-2018 at the Mazankowski Heart Institute,
University of Alberta Hospital were included in the database. Follow up
information and outcomes from all post-operative assessments performed
at the University of Alberta Hospital were also included. Approval for
this study was obtained from the local research ethics board. Individual
waiver for consent was granted by the local research ethics board.