Table 2 Perinatal outcomes after RFA in complicated monochorionic pregnancies stratified by indications
|  | Subgroups | IUFD | 2W PROM | Miscarriage (> 2w after RFA*) | TOP | Neonatal death | Technical success |
|---|---|---|---|---|---|---|---|
sIUGR (n = 60) | II (n = 51) | 0 | 4 (7.8%) | 3 (5.9%) | 0 | 1 (2.0%) | 43/51 (84.3%) |
III (n = 9) | 2 (22.2%) | 1 (11.1%) | 0 | 0 | 1 (11.1%) | 5/9 (55.6%) | |
P | 0.020 | 0.570 | 1.000 | - | 0.280 | 0.069 | |
TTTS (n = 64) | II (n = 11) | 0 | 0 | 0 | 0 | 0 | 10 (100.0%) |
III (n = 39) | 2 (5.1%) | 5 (12.8%) | 5 (12.8%) | 2 (5.1%) | 1 (2.6%) | 23 (63.9%) | |
IV (n = 14) | 1 (7.1%) | 0 | 6 (42.9%) | 3 (21.4%) | 0 | 4 (36.4%) | |
P | 0.688 | 0.176 | 0.010 | 0.085 | 0.722 | 0.009 | |
TRAPs (n = 12) | TRAP (n = 12) | 0 | 1 (8.3%) | 1(8.3%) | 1 (8.3%) | 0 | 9 (81.8%) |
Discordant for foetal anomaly (n = 66) | Central neural system (n = 20) | 0 | 1 (5.0%) | 2(10.0%) | 1 (5.0%) | 0 | 16 (84.2%) |
Heart (n = 10) | 2 (20%) | 0 | 0 | 0 | 0 | 8 (80.0%) | |
Edema (n = 13) | 0 | 1 (7.7%) | 2 (15.4%) | 0 | 0 | 10 (76.9%) | |
Gastrochisis, Exompholos (n = 10) | 4 (40%) | 0 | 0 | 0 | 0 | 6 (60.0%) | |
Other (n = 13) | 1 (7.7%) | 0 | 1 (7.7%) | 0 | 0 | 11 (84.6%) | |
P | 0.007 | 0.689 | 0.568 | 0.674 | - | 0.607 | |
EFR (n = 70) | DCTA (n = 46) | 8 (17.4%) | 0 | 3 (6.5%) | 0 | 0 | 35 (76.1%) |
MCTA (n = 17) | 0 | 1 (5.9%) | 2 (11.8%) | 0 | 0 | 14 (82.4%) | |
Other (n = 7) | 0 | 0 | 0 | 0 | 0 | 7 (100.0%) | |
P | 0.095 | 0.181 | 0.513 | - | - | 0.293 | |
Sum (n = 272) | P | <0.001 | 0.470 | 0.015 | 0.009 | 0.586 | 0.020 |