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The neurological outcomes of surviving twins in severe twin–twin transfusion syndrome treated by fetoscopic laser photocoagulation at a newly established center

ABSTRACT Objective

To evaluate the incidence and predictive factors of poor neurological outcome in survivors of twin‐to‐twin transfusion syndrome (TTTS) treated with fetoscopic laser photocoagulation (FLP).

Methods

Brain magnetic resonance imaging (MRI) and neurodevelopmental assessment were performed at a corrected age of 1 year in survivors of TTTS treated by FLP. Severe neurological abnormality was defined as either the presence of severe clinical neurodevelopmental disability or severe anomalies, visualized on MRI of the brain.

Result

In a consecutive series of 46 cases treated by FLP, the total survival rate was 66.3%; survival of at least one was 80.4%. Severe neurodevelopment disability was 6.7 % (4/59) and the presence of a severe anomaly on brain imaging was 8.8% (5/57), which combined to a clinical or MRI abnormality rate of 10.5% (6/57). Univariate analysis revealed that early gestational age at delivery was the most significant predictor. However, the multiple logistic regression model did not identify any significant variables.

Conclusion

In this small series, we determined a rate of clinical neurologic impairment rate at the age of 1 year of 6.7%, which compares to what has been published. © 2012 John Wiley & Sons, Ltd.

Authors:   Yao‐Lung Chang, An‐Shine Chao, Shuenn‐Dyh Chang, Reyin Lien, Peter C. C. Hsieh, Chao‐Nin Wang
Journal:   Prenatal Diagnosis
Year:   2012
Pages:   1
DOI:   10.1002/pd.3929
Publication date:   21-06-2012

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