Why the study?
Does analgesic/anesthetic exposure affect arterial oxygen saturation in pregnant patients and their newborns?
Does analgesic/anesthetic exposure affect arterial oxygen saturation in pregnant patients and their newborns?
This study evaluates the impact of different analgesic and anesthetic exposures on oxygen saturation in pregnant patients and their newborns.
No practice change from this cohort data; leaves open causal effects of obstetric analgesics on maternal-neonatal oxygenation.
103 patients (48 black and 55 white) had oxygen saturation determined from a finger during the peripartum period: before exposure to analgesia/anesthesia, before cord clamping at delivery, during transport to the recovery room, upon arrival in the recovery room and 15 minutes later. Neonatal oxygen saturation was determined from various parts of the body with a flexible probe at 1, 5 and 10 minutes after birth. Mothers were grouped on the basis of analgesic/anesthetic exposure: meperidine-promethazine, epidural, spinal, balanced general, or none. Two general maternal subgroups were also identified: no episodes of desaturation or at least one episode of desaturation.
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Porter et al. (1989) studied this question.
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