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Near infrared spectroscopy used to observe changes in fetal cerebral haemodynamics during labour
P M Doyle1, S O'Brien, Y A Wickramasinghe
1Academic Department of Obstetrics and Gynaecology, School of Postgraduate-Medicine, Keele University, U.K.
Near Infrared Spectroscopy (NIRS) has been used in the neonate to observe changes in the cerebral haemodynamics and concentration of oxygenated haemoglobin. Specific changes have been demonstrated in response to spontaneous bradycardias and alterations in the inspired oxygen concentration. We report here changes in fetal cerebral haemodynamics using NIRS in response to rapid spontaneous delivery and the "topping up" of a maternal epidural with bupivacaine. NIRS offers a new way of observing changes in cerebral haemodynamics in the fetus during labour.
Near Infrared Spectroscopy (NIRS) has been used in the neonate to observe changes in the cerebral haemodynamics and concentration of oxygenated haemoglobin. Specific changes have been demonstrated in response to spontaneous bradycardias and alterations in the inspired oxygen concentration. We report here changes in fetal cerebral haemodynamics using NIRS in response to rapid spontaneous delivery and the "topping up" of a maternal epidural with bupivacaine. NIRS offers a new way of observing changes in cerebral haemodynamics in the fetus during labour.