Why the study?
Does lumbar epidural block with or without preloading infusion affect placental intervillous blood flow in parturients undergoing elective caesarean section?
Population
38 parturients (24 cases, 14 controls) with uneventful pregnancies scheduled for elective caesarean section
Comparison
Lumbar epidural block with or without preloading… vs Control group receiving no lumbar epidural block
Design
Cohort
Follow-up
15 min after the administration of lumbar epidural block
Authors
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Preloading may preserve placental flow with epidural anesthesia; leaves open whether this improves outcomes in randomized caesarean trials.
Does lumbar epidural block with or without preloading infusion affect placental intervillous blood flow in parturients undergoing elective caesarean section?
Preloading with a plasma expander before lumbar epidural block for elective caesarean section maintains maternal mean arterial pressure and preserves placental intervillous blood flow comparable to controls.
Huovinen et al. (1979) studied this question.
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