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J Dev Behav Pediatr. 1995 Feb;16(1):29-35.

Cocaine-exposed children: follow-up through 30 months.

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1
Division of Neonatology, Albert Einstein Medical Center, Philadelphia, PA 19141, USA.

Abstract

This prospective, blinded study evaluates the effect of in utero cocaine exposure on outcome of nonasphyxiated, term and near-term children born to women of low socioeconomic status. Two hundred nineteen children (101 cocaine-exposed and 118 control) with extensive natal evaluations are evaluated at 6-month intervals. We report here growth, performance on the Bayley Scales of Infant Development (BSID) through 30 months of age, and tone and reflexes at 6 and 12 months. To date, subjects have had 816 follow-up visits, with subject retention greater than or equal to 73%. Cocaine-exposed children showed statistically lower mean weights and smaller mean head circumferences than control children over the 30-month follow-up period (p < or = .011). The percentage of children with abnormal tone and reflexes, however, was similar in the two groups at 6 and 12 months (p > or = .34). Mean BSID Mental Development Index (MDI) and Psychomotor Development Index scores did not differ between the two groups (p > or = .16), although both groups' scores decreased over time (p < .001). Of concern, both cocaine-exposed and control groups had lower mean MDI scores than those published for a group of children of higher socioeconomic status. We conclude that, in our cohort of children, low socioeconomic or minority status may have had a substantial influence on BSID scores whereas in utero drug exposure did not.

PMID:
7730454
[Indexed for MEDLINE]
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