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UBC Theses and Dissertations

Ministernotomy aortic valve replacement decreases the need for blood transfusion and improves clinical outcomes in comparison to conventional full sternotomy approach Adreak, Najah

Abstract

Background: Advantages of mini-sternotomy aortic valve replacement (MSAVR) including improved cosmesis, reduction in postoperative pain, blood loss, shorter length of hospital stay (LOS) and better wound healing. However, MSAVR is not widely adopted by surgeons and clinical outcomes of MSAVR have not been reported in Canada. We study the outcomes of MSAVR in our institution in British Columbia (BC) comparing to full sternotomy aortic valve replacement (FSAVR). Methods: Retrospective analysis of Cardiac Service BC database to evaluate all isolated aortic valve replacement (AVR) performed in our institution from Jan 2007 to Dec 2016. Nine hundred and ten patients were identified (776 FSAVR and 134 MSAVR) with a median follow-up period of 6.2 years. Standard statistical analysis was conducted. Results: Baseline variables between the two groups were similar with a mean age of 70 years and 40% were females. 77.5% of MSAVR patients were in NYHA III/IV vs 49.3% (p=

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