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Four patients referred for surgical treatment of aortic stenosis presented an unexpected extremely calcified (porcelain) ascending aorta at the intraoperative epiaortic ultrasonography scanning. In each patient, replacement of the aortic valve was successfully performed using a sutureless implantable bioprosthesis during a short period of hypothermic circulatory arrest. In the era of transcatheter aortic valve implantation procedures, the sutureless valve may be a valuable option for surgical units that do not dispose of transcatheter technology or a hybrid operative theatre.

Aortic valve replacement within an unexpected porcelain aorta: the sutureless valve option