Abstract | OBJECTIVE: METHODS: This was a retrospective analysis of twins with and without iatrogenic rupture of the intertwin membranes that had been treated for TTTS with laser surgery at our center between 2004 and 2012. Primary outcomes were perinatal survival and severe neonatal morbidity. Secondary outcomes were mode of delivery, gestational age at birth and cord entanglement. RESULTS: In total, 338 pregnancies were included. In 67/338 (20%) pregnancies, iMAT was suspected antenatally. In 47 of these 67 (70%), a preterm Cesarean section was performed for monoamnionicity. Perinatal survival was 108/134 (81%) vs 396/542 (73%) in twins with intact intertwin membranes (P = 0.13). Mean gestational age at birth in iMAT was 31 completed weeks, compared to 33 weeks in twins with intact membranes (P < 0.01). At birth, cord entanglement was present in 8/67 (12%) iMAT pregnancies. Severe neonatal morbidity was assessed in 106/110 (96%) in iMAT cases and 392/416 (94%) in controls. The incidence of severe neonatal morbidity was 28/106 (26%) in iMAT vs 72/392 (18%) in controls (P = 0.25). Severe cerebral injury was significantly increased in the iMAT group as compared with controls, at 16/106 (15%) vs 18/392 (5%) (P < 0.01). CONCLUSIONS: Iatrogenic rupture of intertwin membranes was suspected in 20% of pregnancies treated with laser therapy for TTTS and was associated with a lower gestational age at birth and increased neonatal morbidity.
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Authors | S H P Peeters, T T Stolk, F Slaghekke, J M Middeldorp, F J Klumper, E Lopriore, D Oepkes |
Journal | Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
(Ultrasound Obstet Gynecol)
Vol. 44
Issue 5
Pg. 550-6
(Nov 2014)
ISSN: 1469-0705 [Electronic] England |
PMID | 24961923
(Publication Type: Journal Article)
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Copyright | Copyright © 2014 ISUOG. Published by John Wiley & Sons Ltd. |
Topics |
- Birth Weight
- Extraembryonic Membranes
(injuries)
- Female
- Fetal Membranes, Premature Rupture
(etiology)
- Fetofetal Transfusion
(surgery)
- Fetoscopy
(adverse effects)
- Gestational Age
- Humans
- Infant, Newborn
- Infant, Newborn, Diseases
(etiology)
- Laser Therapy
(adverse effects)
- Perinatal Mortality
- Pregnancy
- Pregnancy Outcome
- Pregnancy, Twin
- Reoperation
- Retrospective Studies
- Treatment Outcome
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