ISSN:
1471-0528
Quelle:
Blackwell Publishing Journal Backfiles 1879-2005
Thema:
Medizin
Notizen:
Objective To measure the effect of changes in maternal posture on fetal cerebral oxygenation during normal labour.Design A prospective study comparing changes in the fetal cerebral concentrations of oxy-haemoglobin, deoxyhaemoglobin and cerebral blood volume, measured by near infrared spectroscopy, in women with effective epidural analgesia when moved from the left lateral to the supine position during labour.Setting A London teaching hospital obstetric unit.Subjects Fourteen women during uncomplicated labour at term.Results When compared with the left lateral position, the supine position was associated with a significant decrease in the mean concentration of fetal cerebral oxyhaemoglobin of 1.12 (SD 1.0, 95% CI 0.49 to 1.75) μmol. 100 g−1(P 〈 0.01) without any significant change in the mean concentration of deoxyhaemoglobin and cerebral blood volume. These changes were associated with a significant decrease in the mean cerebral oxygen saturation of 8.3 (SD 8.8, 95% CI 1.5 to 15.1)% (P 〈 0.05, n= 9).Conclusion Changes in maternal posture during labour, in women with effective epidural analgesia, are associated with a significant decrease in fetal cerebral oxygenation.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1111/j.1471-0528.1995.tb09019.x
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