Peripheral nerve conduction abnormalities in children exposed to alcohol in utero

María De Los Angeles Avaria, James L. Mills, Karin Kleinsteuber, Sofia Aros, Mary R. Conley, Christopher Cox, Mark Klebanoff, Fernando Cassorla

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: We performed a longitudinal study of nerve conduction velocity to determine the effect of prenatal alcohol exposure on the peripheral nervous system. Study design: We studied 17 children exposed to >2 oz of absolute alcohol/day prenatally and 13 unexposed children, identified prospectively from a cohort of pregnant women screened during prenatal care. Nerve conduction assessment was done on the median, ulnar, peroneal and tibial nerves during the newborn period and between 12 and 14 months of age. Results: At both assessments the alcohol-exposed subjects had significantly slower ulnar motor nerve velocity (P = .007), smaller proximal (P = .018) and distal amplitude (P = .051). They also showed reduced tibial nerve velocity (P = .06) and a decrease in distal amplitude. Conclusions: This study demonstrates that prenatal alcohol exposure is associated with abnormalities in nerve electrical properties, and that the pattern is different from that seen in adults. Electrophysiologic abnormalities in peripheral nerves should be added to the problems found in children of alcohol abusing mothers.

Original languageEnglish (US)
Pages (from-to)338-343
Number of pages6
JournalJournal of Pediatrics
Volume144
Issue number3
DOIs
StatePublished - Mar 1 2004
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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