| Study |
n |
Type |
GA at RFA (weeks) |
GA at delivery (weeks) |
PTB <32 weeks |
Survival of pump twin |
| Lee et al.[12] |
98 |
81 MCDA
6 MCMA
11 triplets (5 DCTA, 6 MCTA) |
20.2 +/- 2.4 |
33.4 overall
36.0 for survivors |
16 IUFD
4 neonatal deaths |
78/98 (80%) |
| Argoti et al.[18] |
1 |
MCTA |
23+4 |
31+5 |
PPROM 31wks |
2/2 (100%) |
| Weichert et al.[19] |
1 |
MC |
23+2 |
38+4 |
26+4 preterm labour |
1/1 (100%) |
| Cabassa et al.[17] |
7 |
MCDA (6) MCMA (1) |
17+3 (14+1 to 23+1) |
33+0 (31+0 to 39+5) |
1 IUFD
4 PPROM at 28 wks (21+4-31)
4/5 PTB |
5/7 (71%) |
| Bebbington et al. [10] |
18 |
MC |
20.2+/-2.2 |
Median 33.0 (23.4-38.9) |
13.7% PPROM
Avg age 26.6+/-7, 75% before 32 weeks |
14/18 (78%) |
| Roman et al. [9] |
6 |
Triplets (2) |
Not reported |
Not reported |
0 |
7/8 (88%) |
| Paramasivam et al. [11] |
5 |
MCDA |
Median 18 weeks (15 to 21) |
Median 36 (24 to 41) |
1 IUFD |
4/5 (80%) |
| Jelin, et al. [1] only considered sTRAP (acardiac:pump weight <50%) |
7 |
MCDA |
Not reported |
36.4 (+/-3.8) |
0 |
7/7 (100%) |
| Livingstonet al. [13] |
13 |
MC (12), amnionicity not reported |
21 (17-24) |
37 (26-39) |
1 IUFD
10 PTB <32 wks (PPROM) |
12/13 (94%) |
| Lee et al. [15] |
29 |
MCDA (26) MCMA(2)
Triplets (1) |
Not reported |
34.8 overall
35.9 in MCDA |
8/26 MCDA before 37 weeks |
25/30 (86%) |
| Hirose et al. [20] |
1 |
Not reported |
27 |
32 |
0 |
1/1 (100%) |
| Tsaoet al. [16] |
13 |
MCDA |
20.7 |
36.2 |
2/13 |
12/13 (92%) |
