Abstract
The object of this study was to determine the effects of maternal tocolysis with glycerol trinitrate (GTN) patches on the neurodevelopment of infants. This was a randomized, multicenter, controlled trial comparing the efficacy of GTN patches with standard beta2 agonist as tocolytic therapy. The previously reported outcomes of this study indicated no difference in neonatal mortality or morbidity to hospital discharge. One hundred fifty-six surviving infants from 2 Australian centers were psychometrically assessed using the Griffiths Mental development Scales (revised) at 18 months of age. There was no difference in psychometric performance between those infants enrolled in either the GTN (81 infants) or beta2 agonist (75 infants) arm of the study. This randomized trial supports no significant difference between GTN patches in comparison with standard beta2 agonist for tocolytic therapy. The results underscore the association between premature labor and adverse infant outcomes.
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