Before matching Before matching Before matching Before matching Before matching After matching After matching After matching After matching After matching
Characteristics BTT with VV-ECMO Non-BTT d BTT with VV-ECMO Non-BTT d
N 21 276 21 276
Preoperative
Age, years 30.5 (23-34.8) 49 (30.2-57.8) -1.064 44.0±14.0 44.4±14.7 -0.035
Male gender 13 (61.9) 152 (55.1) 0.139 16.3 (77.8) 152.5 (55.3) 0.458
BMI, kg/m2 20.2 (19-23) 22.1 (19.5-25.5) -0.495 21.6 (20.2-21.6) 21.9 (19.5-25.2) -0.517
Hemoglobin, g/L 84 (78-91) 137 (121-149) -2.910 82 (82-87) 136 (119-148) -2.804
Platelets <150 x109/L 11 (52.4) 19 (6.9) 1.149 2.1 (10.1) 27.9 (10.1) 0.000
Creatinine, µmol/L 58 (33-70) 59 (50-72.5) -0.434 70 (57-70) 58 (50-71) 0.071
Cystic fibrosis 19 (90.5) 108 (39.1) 1.275 9.0 (42.8) 118 (42.8) 0.000
Intraoperative
CPB 6 (28.6) 94 (34.1) -0.118 2.6 (12.5) 94.9 (34.4) -0.533
ECMO 15 (71.4) 15 (5.4) 1.846 18.4 (87.5) 15.6 (5.6) 2.866
30-day outcomes
30-day mortality 5 (23.8) 15 (5.4) 0.539 0.97 (4.63) 18.1 (6.55) -0.083
Postop ECMO 11 (52.4) 21 (7.6) 1.120 15.3 (73.0) 23.7 (8.6) 1.735
Delayed chest closure 9 (42.8) 18 (6.5) 0.929 2.5 (11.9) 17.3 (6.3) 0.196
Chest drainage 24h, mL 2225 (975-3450) 1125 (825-1725) 0.745 975 (975-1100) 1150 (825-1750) 0.045
Re-exploration 8 (38.1) 35 (12.7) 0.611 2.3 (11.2) 39.2 (14.2) -0.090
AKI requiring RRT 12 (57.1) 81 (29.4) 0.584 13.3 (63.6) 81.9 (29.7) 0.722
Tracheostomy 12 (57.1) 94 (34.1) 0.476 7.03 (33.5) 92.2 (33.4) 0.002
Chest infection 12 (57.1) 108 (39.1) 0.366 8.45 (40.2) 111.1 (40.2) -0.000
Sepsis 12 (57.1) 84 (30.4) 0.559 4.48 (21.4) 88.2 (32.0) -0.241
Stroke 0 12 (4.3) -1.395 0 11.4 (4.2) -0.535
1-year mortality 7 (33.3) 40 (14.5) 0.453 1.68 (8.0) 43.1 (15.6) -0.238