Electronic poster abstractsConclusions: Perinatal results of complicated DCT did not show differences according to surgical procedure performed. However, we acknowledge that the small simple size could prevent to find differences in our study. Therefore, further studies and multicenter are needed to evaluate risks and efficacy of these therapies in DCT. King Khalid University Hospital, Riyadh, Saudi Arabia; Liverpool Hospital, Sydney, NSW, Australia Objectives: The New South Wales Fetal Therapy Center (NSW FTC) has performed selective laser photocoagulation of communicating vessels (SLPCV) for twin-twin transfusion syndrome (TTTS) since July 2003. Our objectives were to audit the immediate pregnancy and neonatal outcomes of SLPCV for TTTS at our tertiary referral center. Methods: Retrospective cohort study. Outcome data for 147 TTTS cases that underwent SLPCV between July 2003 and May 2013 was reviewed. The outcomes measured included procedural details, delivery details and perinatal outcomes. Results: Median gestation at diagnosis was 20.3 weeks (IQR 18.6-22.0) and at SLPCV 20.4 weeks (IQR 19.1-22.4). 93.2% SLPCV cases were stage II-III and SLPCV was technically possible in 98.7%. For the 122 pregnancies for whom neonatal outcome data was available, dual survival to birth was 58.2% and survival of at least one baby was 89.3%. Survival of at least one twin to discharge was 84.9%. Median gestational age at delivery was 32 weeks . Median weight of liveborn babies was 1764g (IQR 1300g-2202g), with prematurity and RDS the most common neonatal complications. Most common immediate SLPCV complications were in-utero fetal demise within 1 week of the procedure and preterm premature rupture of membranes, which occurred in 19.6% and 11.6% of cases respectively. TTTS recurrence (1.3%) and TAPS (2.2%) were both uncommon. Conclusions: SLPCV remains the optimal treatment for stages II-IV TTTS prior to 26 weeks gestation. The outcomes of SLPCV at the NSW FTC compare favourably with international published literature, and have remained constant since our previous publication. The outcomes have remained stable following an initial learning curve, supporting the concentration of specialist skills within tertiary referral centers.
P20.15
P20.16Congenital diaphragmatic hernia survival prediction in Chile Objectives: The predictive capacity has been questioned and it needed to be proven in different geographic setting, with different population and care. The objective was to evaluate lung volume with O/E LHR in Chile, double check with Leuven and report survival. Methods: Prospective evaluation of all CDH cases, since 2009 to date. All measures were obtained in Clinica Alemana (MY) and checked by the medical team from Leuven, in order to assured the image quality, and therefore, validate the method. Results: 39 pregnancies with CDH were evaluated, with 5 lost of follow-up and 2 with ongoing pregnancies. From 32 that were subject of analysis, there were 27 left and 5 right CDH. All evaluations were done between 24 and 32 weeks ...
This Australian series shows that local outcomes after SLPCV for stages II-IV TTTS remain equal to the international published literature and have remained stable after an initial learning curve. Women were more likely to be Stage II rather than III in the more recent years. However, this does not appear to be attributable to altered referral patterns.
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