Allografts in aortic position: Insights from a 27-year, single-center prospective study [1]
A single institution experience is reported for outcomes of aortic allograft use in 353 pts undergoing 92 subcoronary and 261 root replacements. Hospital mortality was 5.9%. Mean follow-up was 12 years, during which time 113 pts died. 20-year survival was 41%. 117 pts required valve-related reoperations. Long-term mortality was related to LV dilatation and severe AR.