Acardiac Fetus: Twin Reversed Arterial Perfusion Sequence, A Rare Entity!
Journal Title: Indian Journal of Applied Radiology - Year 2018, Vol 4, Issue 1
Abstract
Heart is the organ which is essential to life. Twin Reversed Arterial Perfusion Sequence (TRAP) is a rare complication of monochorionic twin pregnancy, in which one twin develops without formation of a heart or heart like structure and it survives till it does as it is supported by the second twin which acts as donor via anomalous anastomosis. The reported incidence is 1 in 35,000 births and 1 in 100 in monozygotic monochorionic twin pregnancies. The diagnosis is made antenatally with characteristic grey scale and Doppler sonography findings. Due to high mortality risk, diagnosing TRAP is essential to plan early intervention and better outcome of the donor twin. Pertaining to its rarity, we report a case of 27 weeks twin gestational pregnancy with presence of an acardiac TRAP sequence twin. The clinical presentation, imaging findings, outcome, prognosis and treatment are reviewed in the article under the light of literature, to emphasize the importance of ultrasonography as a simple but adequate tool not only in the diagnosis and follow-up but also in management of such a case.
Authors and Affiliations
Kumra M
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