twin-twin transfusion syndrome

Twin-twin transfusion syndrome (TTTS)

A condition in monochorionic twins in which there is a connection between the two circulatory systems so that the donor twin pumps the blood to the recipient twin without a return of blood to the donor.

Mentioned in: Prenatal Surgery

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twin-twin transfusion syndrome,

a syndrome caused by twin-to-twin transfusion in which the donor twin develops hypovolemia, hypotension, anemia, microcardia, and growth retardation while the recipient twin develops hypervolemia, hypertension, polycythemia, cardiomegaly, and congestive heart failure. Hydramnios frequently occurs.