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Purpose : An umbilical arterial catheter(UAC) in the high position reduces the lumen of the aorta and may thereby impair blood supply to the intestine. Effects of UAC on intestinal blood flow were investigated.
Methods : With the measurement of the aortic diameter, pulsed Doppler ultrasonography was performed in 23 fasting newborns to measure blood flow velocities(peak systolic velocity, end-diastolic velocity,... |
