Glenn O'Connor

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BACKGROUND AND OBJECTIVE We tested the hypothesis that disturbances of the visual pathway following sevoflurane general anaesthesia (a) exist and persist even after clinical discharge criteria have been met and (b) are associated with decreased contrast sensitivity. METHODS We performed pattern and full-field flash electroretinograms (ERG) in 10(More)
Postdural puncture headache (PDPH) is a debilitating side effect of spinal anesthesia, the result of dural puncture and cerebrospinal fluid (CSF) leakage with an incidence of 3% to 75% in patient populations. Despite numerous in vitro and in viva studies that have identified predictors associated with PDPH, debate continues on the best technique to reduce(More)
We tested the hypothesis that minor disturbance of the visual pathway persists following general anaesthesia even when clinical discharge criteria are met. To test this, we measured visual evoked potentials (VEPs) in 13 ASA I or II patients who did not receive any pre-anaesthetic medication and underwent sevoflurane anaesthesia. VEPs were recorded on four(More)
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