Biomedical subjects
Publications and source records attributed to P A Huber.
A term neonate with hypermagnesemia secondary to maternal administration of MgSO4 for pre-eclampsia had a respiratory arrest after receiving gentamicin im. The neuromuscular tracings and sequential physician exams done before and after administering gentamicin suggest aminoglycosides may potentiate a magnesium-induced impairment of neuromuscular transmission and cause muscular weakness in neonates.
To investigate the effects on the newborn infant of maternal magnesium therapy for treatment of pre-eclampsia, we studied 36 hypermagnesemic infants born to pre-eclamptic mothers treated with MgSO4, 18 neonates born to untreated pre-eclamptic mothers, and 25 infants born to normal mothers. Impairment of neuromuscular transmission, as well as neurobehavioral differences when compared to controls, were found in hypermagnesemic infants. Awareness of the changes produced in the neonate by magnesium is important for accurate clinical assessment of the infant's condition, as well as for anticipating the postnatal interaction of magnesium with other drugs administered during labor and delivery.
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