Table 1 Baseline and perioperative characteristics before and after IPTW-EW adjustment
Original cohort | IPTW-EW cohort | |||||
|---|---|---|---|---|---|---|
V-A ECMO (n = 29) | V-V ECMO (n = 33) | p value | V-A ECMO | V-V ECMO | p value | |
Age, years | 59 (54, 69) | 61 (53, 65) | 0.994 | 59 (53, 69) | 61 (56, 66) | 0.65 |
Male, n (%) | 27 (93) | 30 (91) | 1.000 | 11.0 (95) | 12.6 (94) | 0.869 |
BMI, kg/m2 | 20.3 (4.8) | 21.8 (4.1) | 0.209 | 21.1 (5.1) | 22.2 (3.3) | 0.513 |
Indication, n (%) | ||||||
Pulmonary Fibrosis | 8 (28) | 18 (55) | 0.059 | 4.4 (38) | 4.3 (32) | 0.762 |
COPD | 21 (72) | 15 (45) | 7.2 (62) | 9.0 (68) | ||
Underlying disease, n (%) | ||||||
Diabetes | 6 (21) | 3 (9) | 0.351 | 1.6 (14) | 3.3 (25) | 0.506 |
Hypertension | 3 (10) | 7 (21) | 0.415 | 0.9 (8) | 2.8 (21) | 0.321 |
Coronary heart disease | 4 (14) | 7 (21) | 0.667 | 1.4 (12) | 2.4 (18) | 0.659 |
Blood type, n (%) | ||||||
A | 7 (24) | 11 (33) | 0.864 | 2.5 (21) | 2.1 (15) | 0.919 |
B | 10 (35) | 9 (27) | 1.7 (14) | 1.2 (9) | ||
AB | 3 (10) | 3 (9) | 3.0 (26) | 3.9 (29) | ||
O | 9 (31) | 10 (30) | 4.4 (38) | 6.2 (46) | ||
NYHA, n (%) | ||||||
I | 13 (45) | 12 (36) | 0.785 | 4.5 (39) | 2.9 (21) | 0.252 |
II | 14 (48) | 18 (55) | 6.1 (53) | 10.2 (76) | ||
III | 2 (7) | 3 (9) | 0.9 (8) | 0.3 (2) | ||
Echocardiography | ||||||
LVEF, % | 67 (5) | 66 (5) | 0.789 | 66 (5) | 64 (5) | 0.319 |
RV Enlargement, n (%) | 7 (24) | 10 (30) | 0.797 | 3.7 (32) | 1.5 (11) | 0.114 |
Tricuspid regurgitation, n (%) | ||||||
mild | 24 (83) | 29 (88) | 0.836 | 9.0 (78) | 10.0 (75) | 0.964 |
moderate | 4 (14) | 3 (9) | 1.7 (15) | 1.9 (14) | ||
severe | 1 (3) | 1 (3) | 0.9 (8) | 1.4 (11) | ||
SPAP, mmHg | 35 (9) | 35 (8) | 0.969 | 38 (9) | 36. (6) | 0.416 |
Ventilation preoperatively, n (%) | 6 (21) | 7 (21) | 1.000 | 1.7 (15) | 2.4 (18) | 0.789 |
Blood gas preoperatively | ||||||
pH | 7.39 (7.35, 7.43) | 7.40 (7.37, 7.44) | 0.358 | 7.41 (7.38, 7.43) | 7.40 (7.36, 7.44) | 0.717 |
PaO2, mmHg | 203 (160, 269) | 147 (115, 220) | 0.124 | 164 (95, 219) | 180 (131, 265) | 0.313 |
PaCO2, mmHg | 64 (44, 68) | 45 (40, 64) | 0.209 | 45 (37, 62) | 45 (37, 63) | 0.905 |
Intraoperative information | ||||||
Transplantation method, n (%) | ||||||
Single | 25 (86) | 19 (58) | 0.028 | 8.4 (73) | 10.7 (80) | 0.661 |
Bilateral | 4 (14) | 14 (42) | 3.1 (27) | 2.6 (20) | 0.661 | |
Surgery time, min | 390 (330, 440) | 360 (300, 400) | 0.043 | 331 (290, 420) | 360 (360, 370) | 0.612 |
Donor lung ischemia time, min | 600 (520, 630) | 490 (395, 540) | 0.001 | 540 (515, 600) | 540 (480, 596) | 0.96 |
Fluid intake, ml | 2700 (2320, 3000) | 2910 (2020, 3520) | 0.572 | 2519 (2271, 2905) | 2713 (2000, 3005) | 0.669 |
Fluid output, ml | 3000 (2570, 3600) | 2700 (2100, 3500) | 0.175 | 2778 (2440, 3337) | 2681 (2334, 2886) | 0.663 |
Urine volume, ml | 1400 (800, 1600) | 1600 (1200, 2000) | 0.177 | 1200 (800, 1591) | 1430 (848.39, 1700) | 0.734 |
Blood transfusion, ml | 1070 (830, 1440) | 1200 (600, 1440) | 0.703 | 993 (800, 1240) | 1011 (260, 1320) | 0.323 |