2. ⢠1. Accurate diagnosis and staging possible, with exclusion of associated
anomalies.
⢠2. Natural history of the disease is documented, and prognosis is established.
⢠3. Currently no effective postnatal therapy.
⢠4. In utero surgery proven feasible in animal models, reversing deleterious
effects of the condition.
⢠5. Interventions performed in specialized multidisciplinary fetal treatment
centers within strict protocols and approval of the local Ethics Committee with
informed consent of the mother or parents.
Criteria for Fetal Surgery
Harrison et al, NEJM, 1982
9. ⢠Prospective and randomized
⢠Prenatl vs postnatal repair
⢠NEJM 2011
⢠Less need for VP shunt in first year (44% vs 84%)
⢠Improved mental/motor composite score at 30 months
⢠Less need for intermittent catheterization (38% vs 51%)
⢠Durable
MOMS Trial
10.
11. ⢠Prospective and randomized
⢠Laser vs amnioreduction
⢠Stopped early due to significant benefit in laser group
⢠NEJM 2004
⢠Better survival of at least one twin at 28 days (76% vs 56%)
⢠More likely to be free of neurologic complications (52% vs 31%)
Laser for TTTS