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Arch Dis Child Fetal Neonatal Ed 1997;76:F54-F56 ( January )

Effects of bolus tube feeding on cerebral blood flow velocity in neonates

Mathias Nelle, Christina Hoecker, Otwin Linderkamp

Division of Neonatology, Department of Pediatrics, University of Heidelberg, D-69120 Heidelberg, Germany

Correspondence to: Dr Mathias Nelle.

Accepted 19 September 1996

AIM---To study continuously cerebral blood flow velocity in the middle cerebral artery before, during, and after tube feeding in neonates.
METHOD---Cerebral blood flow velocity was measured in 14 neonates using a Doppler ultrasound device. Blood pressure, respiration, and oxygen saturation were monitored.
RESULTS---Mean blood flow velocity decreased from 37 cm/s before feeding to 33 cm/s (P<0.001) 5 to 11 minutes after feeding. Prefeeding values were reached after 17 minutes. Arterial blood pressure, respiration patterns, and oxygen saturation did not change significantly during the study period.
CONCLUSION---Tube feeding in preterm infants may decrease cerebral perfusion, despite unchanged blood pressure and unchanged oxygen saturation.

Keywords: tube feeding; cerebral blood flow velocity; blood pressure; oxygen saturation.

© 1997 by Archives of Disease in Childhood


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