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 d
N 21 169 21 169
Preoperative
Age, years 30.5 (23-34.8) 38 (26-53) -0.599 37.9±13.3 38.8±14.5 -0.079 -0.079
Male gender 13 (61.9) 99 (58.6) 0.068 14 (66.8) 98.8 (58.5) 0.172 0.172
BMI, kg/m2 20.2 (19-23) 20.6 (18.9-24.2) -0.212 20.2 (18.6-21.6) 20.6 (18.8-24.1) -0.365 -0.365
Hemoglobin, g/L 84 (78-91) 132 (115-146) -2.555 85 (82-92) 131 (111-144) -2.354 -2.354
Platelets <150 x109/L 11 (52.4) 9 (5.3) 1.093 2.8 (13.2) 22.2 (13.2) 0.000 0.000
Creatinine, µmol/L 58 (33-70) 57 (46-69.5) -0.306 66 (53-70) 57 (46-68) 0.016 0.016
Cystic fibrosis 19 (90.5) 108 (63.9) 0.668 14 (66.8) 113 (66.8) 0.000 0.000
Intraoperative
CPB 6 (28.6) 60 (35.5) -0.149 3.9 (18.5) 60.4 (35.7) -0.394 -0.394
ECMO 15 (71.4) 12 (7.1) 1.751 17.1 (81.5) 12.3 (7.3) 2.245 2.245
30-day outcomes
30-day mortality 5 (23.8) 8 (4.7) 0.567 1.6 (7.8) 11 (6.5) 0.048 0.048
Postoperative ECMO 11 (52.4) 12 (7.1) 1.140 13.0 (62.0) 14.7 (8.7) 1.342 1.342
Delayed chest closure 9 (42.8) 10 (5.9) 0.953 3.4 (16.5) 9.4 (5.6) 0.352 0.352
Chest drainage 24h, mL 2225 (975-3450) 1125 (719-1750) 0.727 975 (975-3450) 1150 (750-1925) 0.382 0.382
Re-exploration 8 (38.1) 24 (14.2) 0.565 3.2 (15.4) 27.9 (16.5) -0.030 -0.030
AKI requiring RRT 12 (57.1) 50 (29.6) 0.579 9.6 (45.7) 51.5 (30.5) 0.316 0.316
Tracheostomy 12 (57.1) 60 (35.5) 0.445 10.6 (50.8) 58.1 (34.4) 0.336 0.336
Chest infection 12 (57.1) 66 (39.1) 0.368 12.8 (60.8) 69.6 (41.2) 0.340 0.340
Sepsis 12 (57.1) 52 (30.8) 0.551 6.7 (31.8) 55.9 (33.1) -0.026 -0.026
Stroke 0 7 (4.1) -1.405 0 6.6 (3.9) -0.783 -0.783
1-year mortality 7 (33.3) 27 (16.0) 0.411 2.6 (12.5) 30.5 (18.0) -0.154 -0.154