Early diagnosis, follow-up, and prenatal treatment of a case of TRAP sequence occurring in a dichorionic triamniotic triplet pregnancy
Cavoretto, P.; Serafini, A.; Valsecchi, L.; Lanna, M.; Rustico, M.A.
Journal of Clinical Ultrasound Jcu 37(6): 350-353
2009
ISSN/ISBN: 1097-0096 PMID: 19444901 DOI: 10.1002/jcu.20583Document Number: 207504
We are reporting a case of twin reversed arterial perfusion (TRAP) sequence occurring in a dichorionic triamniotic triplet pregnancy with successful percutaneous prenatal treatment and excellent neonatal outcome. TRAP sequence was diagnosed at 11 weeks in a spontaneous dichorionic-triamniotic triplet. Sonographic assessment showed persistent arterial flow and development of hydrops in the acardiac twin. Percutaneous cord interstitial laser coagulation was performed, and the co-twin subsequently developed growth restriction. The 9-month-old twins have a normal developmental course. This report confirms that fetal intervention is indicated in cases of TRAP sequence in which the acardiac twin presents a significant enlargement on follow-up sonographic examinations.
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