Abstract
The relationship of long-term parenteral nutrition to brain growth and development as reflected in cognitive and motor development has not been established. Cognitive and perceptual-motor development was assessed in 8 children (5 M, 3F) between the ages of 4-7 yrs. who had received 75% or more of their nutrition parenterally since infancy. Tests included the Wechsler Preschool and Primary Scales of Intelligence (WPPSI) or the Wechsler Intelligence Scale for Children Revised (CISC-R). Perceptual motor development was measured using the Beery-Buktenica Development Test of Visual Motor Integration (VMI). Children in the sample averaged 5 yrs. on TPN (SD=9 mo.)Overall mean Full Scale IQ was 98.63 (SD=10.04). A score of 10 (±3) represents average performance.All children functioned in either the normal or borderline range of intellectual functioning. Children showed strength in verbal conceptual skill (Similarities) but were weak in visual-spatial planning ability (Mazes). Perceptual-motor coordination problems were present as reflected in a mean delay of 9.87 months (SDS=12.79) on the Beery Test. HTPN on a long term basis allows for normal cognitive development and self image.
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