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149 Feeding increases mesenteric blood flow velocity in healthy term newborn Infants

The aim of the study was to evaluate the effect of feeding on mesenteric blood flow velocity during the first week of life.Blood flow velocity was recorded using a duplex ultrasound scanner and pulsed Doppler, with angle correction when necessary. Measurements were made in the superior mesenteric artery immediately after its departure from the aorta in eleven term infants within the first hour after birth, and before and after feeding on the third, fourth and fifth days.Baseline mesenteric blood flow velocity did not change during the first five days of life. However, there was a significant increase in blood flow velocity after feeding (fig).Our findings suggest that normal newborns are able to increase the mesenteric blood flow in response to feeding even during the first days of life. This must be taken into account when studying mesenteric blood flow during disease in the newborn period.