Acardiac Twin: A rare Complication of Monochorionic Monoamniotic Twin
Tanvi Vijay Tuteja
Kirti Rajesh Bendre
Geeta Madhav Niyogi
K.J. Somaiya Medical College, Mumbai, India
International Journal of Clinical Case Reports, 2016, Vol. 6, No. 6 doi: 10.5376/ijccr.2016.06.0006
Received: 15 Oct., 2015 Accepted: 22 Dec., 2015 Published: 30 Dec., 2015
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Preferred citation for this article:
Tanvi Vijay Tuteja, Kirti Rajesh Bendre, and Geeta Madhav Niyogi, 2016, Acardiac Twin: A rare Complication of Monochorionic Monoamniotic Twin, International Journal of Clinical Case Reports, Vol.6, No. 6 1-3 (doi: 10.5376/ijccr.2016.06.0006)
Acardiac malformation, also known as twin reversed arterial perfusion (TRAP) sequence, is a unique complication of monochorionic twinning., occurring with a reported incidence of 1 in 35 000 deliveries. It is characterized by lack of heart development associated with a spectrum of malformations and anomalies in one of the twins, which is perfused in a paradoxical retrograde fashion by a structurally normal ‘pump’ twin through a single artery-to-artery anastomosis. There is usually a normally formed donor twin who has features of heart failure as well as a recipient twin who lacks a heart (acardius) and various other structures.It is caused in the embryo by a large artery-to-artery placental shunt, often also accompanied by a vein-to-vein shunt. The common complications include congestive cardiac failure in the pump twin, polyhydramnios and preterm delivery.
A cardiac twin; Mono chorionic twins; TRAP
International Journal of Clinical Case Reports
• Volume 6