Patient Characteristics
Between 2007 and 2017, 54 patients underwent aortic root replacement with coronary reimplantation using cryopreserved valved aortic homograft. Baseline patient characteristics are listed in Table 1 . There was no significant difference in baseline characteristics between resident/junior attending cases and senior attending cases. Mean age was 63.7 years (range 30-84 years) and 11% were female. Two patients (3.7%) were in extremis and taken to the operating room emergently. Nine (16.7%) were in NYHA III and 17 (31.5%) were in NYHA IV prior to the operation. Five patients (9.3%) had new atrioventricular nodal dysfunction including complete heart block. The most common infective agents were Streptococcus viridans(24.1%), Staphylococcus aureus (22.2%), Staphylococcus epidermidis (13.0%), and Enterococcus species (13.0%).