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Aortic Valve Neocuspidization using glutaraldehyde-treated autologous pericardium: A literature review
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  • Jeremy Chan,
  • Ayan Basu,
  • Gabriela Di Scenza,
  • Jack bartlett,
  • Ka Siu Fan,
  • Shwe Oo
Jeremy Chan
Bristol Medical School
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Ayan Basu
St George's University of London
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Gabriela Di Scenza
St George's University of London
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Jack bartlett
Swansea University Medical School
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Ka Siu Fan
University of London
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Shwe Oo
Bristol Royal Infirmary
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Abstract

Background: Aortic Valve Neocuspidization using glutaraldehyde-treated autologous pericardium was first performed by Ozaki et al. in 2007. This technique has become an alternative to tissue and mechanical valve as long-term anticoagulation is not required and shows promising midterm results and durability. Method: A comprehensive search was performed on the major database using search terms “Ozaki technique” AND “Aortic Valve Neocuspidization” AND “AV Neocuspidization” AND “Autologous pericardium” AND “glutaraldehyde-treated autologous pericardium”. Articles up to 1st of August 2020 were included in this study. Results: A total of 9 studies with a total of 1342 patients were included. The mean age was 67.36 and 54.23% were male. 66.32% and 23.92% of patients had aortic stenosis and aortic regurgitation, respectively. 66% of patients had a native tricuspid aortic valve and 31.37 % patients’ native aortic valve was bicuspid. Three studies reported their experience performing Aortic Valve Neocuspidization via mini sternotomy. Conclusion: Aortic Valve Neocuspidization is an alternative to biological and mechanical prostheses for surgical aortic valve replacement. The short and mid-term outcome are comparable without the need for long term oral anticoagulation. Long term follow-up data is required for this novel approach to be widely adopted.