Why the study?
Does alteration of maternal posture affect epidural pressure in parturients in the first stage of labour?
Population
Parturients in the first stage of labour receiving continuous infusion epidural analgesia
Design
Other
Follow-up
immediate
Authors
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Alerts clinicians to posture effects on epidural pressure in labor; leaves open impact on block efficacy or safety.
Does alteration of maternal posture affect epidural pressure in parturients in the first stage of labour?
Maternal posture changes during the first stage of labor cause acute local pressure changes in the epidural space, consistent with physical movement of cerebrospinal fluid.
Johnston et al. (1989) studied this question.