ACC 23: Mini-Thoracotomy Vs Sternoctomy for Degenerative Valve Disease: The UK Mini-Mitral Study

Published: 05 Mar 2023

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ACC.23/WCC — Dr Enoch Akowuah (James Cook University Hospital, UK) joins us to share the findings of the UK Mini-Mitral trial (National Institute of Health Research).

This study is a multicentre, expertise-based randomised controlled trial that aimed to compare the safety and effectiveness of a minimally-invasive thoracotomy compared to conventional sternotomy in treating patients with degenerative mitral valve disease. After surgery, patient outcomes were followed up for one year, whilst estimates of clinical and health-economic outcomes will continue to be reported for up to five years.

The trial saw a 96% repair rate in both arms.


  1. What is the importance of the UK Mini Mitral?
  2. What were the main considerations regarding the design of this trial?
  3. What were the baseline characteristics of the patients?
  4. What data did you present at ACC.23?
  5. How should these findings impact clinical practice?
  6. What are the next steps?

For more content from ACC.23/WCC head to Late-Breaking Science Video Collection.

Recorded on-site at ACC.23/WCC, New Orleans.

Editor: Mirjam Boros

Video production: Oliver Miles, Dan Brent, Mike Knight 


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