Postoperative outcome (Table 2)
Primary endpoints. Operative mortality included 14 patients (6.7%), who died for cardiac (n=5, 2.4%) and non-cardiac (n=9, 4.3%) causes. NEs occurred in 17 patients (8.1%), stroke in 14 (6.7%) and seizures in 3 (1.4%). NEs symptoms were temporary in 7 patients (3.3%) and permanent in 10 (4.8%). The aggregate endpoint of death+PND were present in 21 patients (10%). Renal function, measured with the KDIGO criteria3, worsened in 81 patients (38.6%) and need of RRT occurred in 23 (10.9%). Mortality increased with the KDIGO score: 0 1.6% (2/129), 1 5.6% (2/35), 2 19.2% (5/26) and 3 25% (5/20), p=0.001. The composite primary endpoint of death, PND and RRT was observed in 35 patients (19.2%).
Secondary endpoints and other results. Time to extubation was 800 min. Seventeen patients (8.1%) needed tracheostomy and median ICU LOS was 3 days. Seventy-one patients (38.8%) were not transfused and 14 patients (6.7%) were reoperated on for bleeding.