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Artery-to-artery anastomosis in monochorionic twins
K Hecher1, E Jauniaux, S Campbell
1Department of Obstetrics and Gynecology, King's College School of Medicine and Dentistry, London, United Kingdom.
American Journal of Obstetrics and Gynecology
|August 1, 1994
Abstract:
We describe Doppler signals in artery-to-artery anastomoses of two monochorionic twin pregnancies. Flow velocity waveforms demonstrated cyclic changes in systolic velocities with intermittent reversal of end-diastolic velocities. A computer model showed that this was the result of two opposing pulsatile blood flow waveforms with different velocities and frequencies.