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  • Title: Predicting neurodevelopmental impairment in preterm infants by standardized neurological assessments at 6 and 12 months corrected age.
    Author: Grimmer I, Metze BC, Walch E, Scholz T, Bührer C.
    Journal: Acta Paediatr; 2010 Apr; 99(4):526-30. PubMed ID: 20055777.
    Abstract:
    AIM: Neurodevelopmental impairment in very preterm infants can be reasonably diagnosed by 18-24 months corrected age, whereas the predictive value of earlier assessments is debated. We hypothesized that neurological findings at 6 and 12 months indicative of subsequent cerebral palsy predict 18-24 months' neurodevelopmental impairment. METHODS: Neurodevelopmental examinations (Griffiths scales) at 20 months of age in 561 preterm infants (birth weight <1 500 g) were compared with results of standardized neurological examinations (Early Motor Pattern Profile; EMPP) and Griffiths scales at 6 (n = 451) and 12 months (n = 496) corrected age. RESULTS: Griffiths developmental quotients at 20 months were weakly but significantly related to EMPP scores at 6 (R(s) = 0.328) and 12 months (R(s) = 0.493). Areas under receiver operator characteristic curves for the EMPP to predict neurodevelopmental impairment (Griffiths scores <or=75) at 20 months were 0.772 (0.890) at 6 (12) months, compared to 0.915 (0.962) for Griffiths scores. By contrast, EMPP and Griffiths scores had equal power to predict unability to walk unaided at 2 years of age (EMPP 6/12 months: 0.946/0.983; Griffiths 6/12 months: 0.935/0.985). CONCLUSION: Neurological examinations with the EMPP at 6 and 12 months corrected age are of limited value to predict neurodevelopmental impairment at 20 months.
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