TABLE 2 Operative details and complications
Operative details Total (n=103) Age<70 (n=51) Age≥70 (n=52) P value
Ascending aorta replacement 79 (76.7%) 35 (68.6%) 44 (88.6%) 0.065
Aortic arch replacement 21 (20.4%) 14 (27.5%) 7 (13.5%) 0.091
Aortic root replacement 3 (2.9%) 2 (3.9%) 1 (1.9%) 0.618
Concomitant AVR 7 (6.8%) 4 (7.8%) 3 (5.8%) 0.715
Concomitant CABG 3 (2.9%) 1 (2.0%) 2 (3.8%) > 0.99
Pump run time, minutes 141 (126.5-167) 152 (131.5-194) 132.5 (122.8-146.8) < 0.001
Aortic cross-clamp Time, minutes 92 (75-108.5) 102 (84-135) 88.5 (71.5-100.5) 0.003
Operation time, minutes 290 (245-352) 320 (272-420) 264 (233.8-308.3) < 0.001
Complications
Stroke 6 (5.8%) 3 (5.9%) 3 (5.8%) 0.837
Pneumonia 15 (14.6%) 8 (15.7%) 7 (13.5%) 0.787
Mediastinitis 3 (2.9%) 1 (2.0%) 2 (3.8%) > 0.99
Intestinal ischemia 1 (1.0%) 0 (0%) 1 (1.9%) > 0.99
Postoperative hemodialysis 12(11.7%) 10 (19.6%) 2 (3.8%) 0.015
Re-exploration for bleeding 5 (4.9%) 1 (2.0%) 4 (7.7%) 0.363
Long-term intubation (more than 3 weeks) 14 (13.6%) 7 (13.7%) 7 (13.5%) > 0.99
Dysphagia 45 (43.7%) 16 (31.4%) 29 (55.8%) 0.017
ICU stay, days 7 (6-13.5) 7 (5-12) 8 (7-14) 0.094
Hospital stay, days 24 (17-45) 22 (14-37) 28.5 (19-54.3) 0.045
Barthel index at discharge 79.4 ± 35.1 84.7 ± 33.7 74.5 ± 36 0.034
Discharged by walking without any aids 52 (50.5%) 31 (60.8%) 21 (40.4%) 0.021
by walking with assistive device 15 (14.6%) 6 (11.8%) 9 (17.3%) 0.587
by a wheelchair 11 (10.7%) 2 (3.9%) 9 (17.3%) 0.052
Postoperative walking difficulty 38 (36.9%) 12 (23.5%) 26 (50%) 0.013
Hospital death within 30 days 8 (7.8%) 6 (11.8%) 2 (3.8%) 0.16
Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; ICU, intensive care unit Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; ICU, intensive care unit Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; ICU, intensive care unit Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; ICU, intensive care unit Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; ICU, intensive care unit