Key result
Aortic valve replacement with a Freestyle stentless aortic xenograft using the partial scallop inclusion technique resulted in late prosthetic valve endocarditis with abscess formation at two years.
Case Report (n=1)
The partial scallop inclusion technique for Freestyle stentless aortic xenografts may create a periprosthetic dead space that increases the risk of postoperative pressure gradients and superinfection.
May warrant surveillance for late endocarditis after partial scallop Freestyle implantation; hypothesis-generating for technique-specific infection risk.
Two years after aortic valve replacement with a Freestyle stentless aortic xenograft using the partial scallop inclusion technique, late prosthetic valve endocarditis developed with abscess formation in the space between the porcine and native human aortic wall. The presence of such a periprosthetic dead space exposes the patient to increased postoperative pressure gradients and the risk of superinfection.
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Kirsch et al. (2001) conducted a case report in Prosthetic valve endocarditis (n=1). Freestyle stentless aortic xenograft using the partial scallop inclusion technique was evaluated on Late prosthetic valve endocarditis with abscess formation. Aortic valve replacement with a Freestyle stentless aortic xenograft using the partial scallop inclusion technique resulted in late prosthetic valve endocarditis with abscess formation at two years.
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