Stefan van Beek

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Sixteen right-handed participants (8 male and 8 female students) and 16 left-handed participants (8 male and 8 female students) were presented with cartoon faces expressing emotions ranging from extremely positive to extremely negative. A forced-choice paradigm was used in which the participants were asked to rate the faces as either positive or negative.(More)
BACKGROUND In day-case surgery, the effects of the anxiolytic lorazepam as premedication on the quality of postoperative recovery are unknown. OBJECTIVE To evaluate whether lorazepam as a premedication beneficially affects quality of recovery (primary outcome) and psychological manifestations (secondary outcome) after day-case surgery. DESIGN A(More)
INTRODUCTION Benzodiazepines are frequently used as a premedication. In day-case surgery, anesthetists are reluctant to administer benzodiazepines preoperatively for reasons of delayed recovery. However, premedication with benzodiazepines might be beneficial regarding postoperative somatic symptoms/complaints (i.e. time to recovery and postoperative side(More)
BACKGROUND Lorazepam is used as premedication for its anxiolytic properties. The UGT2B15 genotype is of importance for the metabolism of lorazepam. The clinical effect of genetic polymorphisms in UGT2B15 genotype on the treatment of anxiety levels in same-day surgery patients receiving lorazepam, however, is unknown. METHODS Three hundred ninety-eight(More)
BACKGROUND Potential neurotoxicity of anesthetic drugs is currently one of the most intensely discussed issues in pediatric anesthesia. Prospective human data are sorely lacking and there is an on-going debate among experts in the field whether one should (or can) extrapolate animal data to humans. Data regarding the thoughts of practicing anesthetists(More)
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