Browsing by Author "Van der Bijl, P."
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- ItemBlood oxygen saturation levels during conscious sedation with midazolam. A report of 16 cases(Health & Medical Publishing Group, 1986) Roelofse, J. A.; Van der Bijl, P.; Joubert, J. J.; Breytenbach, H. S.In a double-blind randomized study on 16 healthy individuals, two groups of subjects (8 in each group) received either midazolam (Dormicum; Roche) 0,1 mg/kg or placebo intravenously for conscious sedation during oral surgical procedures. Oxygen saturation of the blood was measured at different stages. Ten minutes after administration of the drug, the percentage oxygen saturation was significantly lower (P<0.05) in the midazolam group than in the placebo group.
- ItemPlasma cholinesterase levels during cardiopulmonary bypass : a report on 10 cases(Health & Medical Publishing Group, 1987) Roelofse, J. A.; Van der Bijl, P.Plasma cholinesterase levels of 10 male patients were determined before, during and after cardiopulmonary bypass surgery. These levels dropped significantly below the pre-anaesthetic values after commencing anaesthesia. In 6 patients levels returned to pre-anaesthetic values before or on the 2nd post-operative day. This could not be explained in terms of enzymic biosynthesis alone, and it is suggested that postoperative fluid readjustments may play an important role in certain cases.