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Twin-Twin Transfusion Syndrome (TTTS)
Total evaluations for TTTS
- 87 - 2021
- 1175 - Total
Fetal surgical interventions to treat TTTS
- 57 - 2021
- 752 - Total
Fetal surgical intervention to treat TTTS in triplet pregnancies
- 2 - 2021
- 32 - Total
The following data reflects selective fetoscopic laser photocoagulation (SFLP) cases, including those with selective fetal growth restriction, performed from January 2015 – December 2022.
Overall TTTS survival
- 90% survival of at least one twin
- 67% survival of both twins
| Total Cases | |
| Two Survivors | 219 (67.2%) |
| One Survivor | 73 (22.4%) |
| No Survivors | 34 (10.4%) |
Survival per Quintero stage
| Stage | Two Survivors | One Survivor | No Survivors |
| I | 39 (75%) | 10 (19.2%) | 3 (5.8%) |
| II | 91 (73.4%) | 18 (14.5%) | 15 (12.1%) |
| III | 126 (60%) | 55 (26.2%) | 29 (13.8%) |
| IV | 13 (48.1%) | 8 (29.6%) | 6 (22.2%) |
Survival by gestational age at procedure
| Gestational age | 2 survivors | 1 survivor | 0 survivors |
| 16-18 weeks | 80 (59.7%) | 32 (23.9%) | 22 (16.4%) |
| 19-21 weeks | 111 (67.3%) | 31 (18.8%) | 23 (13.9%) |
| 22-24 weeks | 57 (67.1%) | 21 (24.7%) | 7 (8.2%) |
| 25-27 weeks | 15 (68.2%) | 7 (31.8%) | 0 (0%) |
*This data excludes Triplets, TAPS, etc. Only includes true TTTS mo/di twins with and without sFGR
40 cases excluded: no 30 day outcomes available to us
GA represented in mean ± standard deviation
40 cases excluded: no 30 day outcomes available to us
GA represented in mean ± standard deviation