Postnatal growth failure in preterm infants: ascertainment and relation to long-term outcome
2006
Objective: Traditional measure of postnatal growth
failure assessmenthas poor discriminatory power for long-term outcomes. Our objective was to identify measure of postnatal growth failure associated with long-term outcome in preterm infants born at 1 and, (4) z score difference from birth >2; were compared for their predictive values and strength of association with adverse neurodevelopmental outcomes at 18-24 months. Results: Postnatal growth failure defined as a decrease in z score of >2 between birth and 36 weeks corrected gestational age had the best predictive values compared to other postnatal growth failure measures, however, it was significantly associated with psychomotor developmental (P=0.006) but not with mental developmental indices (P=0.379). Conclusion: Postnatal growth failure defined by z score change influenced psychomotor but not mental tasks in this cohort. This method of ascertainment could be useful to identify infants who might benefit from nutritional interventions.
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