Key result
Color Doppler ultrasound confirmed clockwise helical flow in the thoracic aorta of all 6 dogs tested and extending into the abdominal aorta below the renal arteries in 11 of 12 dogs.
The study confirms the presence of clockwise helical flow in the thoracic aorta and documents its extension into the abdominal aorta below the renal arteries in a canine model.
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No immediate clinical implications; leaves open translation of canine helical flow to human aortas.
Frazin et al. (1996) studied this question. Color Doppler ultrasound was evaluated on Presence of clockwise helical flow in the thoracic and abdominal aorta. Color Doppler ultrasound confirmed clockwise helical flow in the thoracic aorta of all 6 dogs tested and extending into the abdominal aorta below the renal arteries in 11 of 12 dogs.
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