Key result
Sutureless aortic valve replacement enables successful deployment under hypothermic circulatory arrest in porcelain aorta.
Why the study?
Unexpected porcelain aorta discovered intraoperatively complicates aortic valve replacement, requiring alternative surgical approaches.
Case Report (n=4)
Sutureless valves with brief arrest enabled AVR in porcelain aorta; leaves open safety and role versus TAVI in larger series.
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.
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Gatti et al. (2013) conducted a case report in Aortic stenosis with unexpected porcelain aorta (n=4). Sutureless implantable bioprosthesis was evaluated on Successful replacement of the aortic valve. Sutureless aortic valve replacement was successfully performed in all 4 patients with unexpected porcelain aorta during hypothermic circulatory arrest.
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