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On-X Aortic Valve Replacement Through a Ministernotomy
Gaudiani V, Tsau P. On-X Aortic Valve Replacement Through a Ministernotomy. April 2025. doi:10.25373/ctsnet.28840736
This video features a 42-year-old male patient who received an On-X mechanical valve.
An aortotomy was performed after a hemisternotomy, and then the leaflets were removed as closely to the annulus as possible.
Dr. Gaudiani notes that the On-X valve is large; therefore, the sizer must fit easily into the annulus. Additionally, he mentions that this mechanical valve can be placed as a 21 mm valve but has the flow characteristics of a 25 mm biological valve.
The opening line was placed perpendicular to the septum, and pledgets were not used. It is also crucial to visualize the left and right ostia after implantation.
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