Laser Photocoagulation of Communicating Vessels in Twin-to-Twin Transfusion Syndrome

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexFemale
AgeNot listed
SponsorSeattle Children's Hospital

About this trial

The purpose of this study is to evaluate the use of diode laser photocoagulation of the communicating vessels in twin-to- twin transfusion syndrome (TTTS) with respect to maternal, fetal and neonatal outcomes.

Eligibility criteria

Qualifiers

Single placenta (Monochorionic)

Polyhydramnios present in recipient twin (Greater than 8 cm maximum vertical pocket below 20 weeks and greater than a 10 cm pocket for greater than 20 weeks gestational age)

Oligohydramnios present in donor twin (Less than 2 cm maximum vertical pocket)

Prominent bladder in the recipient/ non-filling bladder in the donor

Disqualifiers

Patients unwilling to participate in the study or to be followed up

Presence of major congenital anomalies incompatible with survival

Active pre-term labor Ruptured membranes

Chorioamnionitis

Trial design

Treatments tested in this trial

  • Fetoscopic laser ablation

Treatment groups

2,000 Participants
are divided into 1 treatment group

Sponsors and collaborators