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- W2017976989 abstract "Preoperative anxiety may increase gastric fluid acidity and volume. To pursue this possibility we evaluated the relationship between peroral premedication, preoperative anxiety, and gastric content in 246 consecutive patients presenting for elective gynecologic surgery. All patients fasted overnight and received either flunitrazepam 1 mg, oxazepam 25 mg, or placebo with 20 mL of water on the morning of surgery in a randomized, double-blind fashion. The patients assessed relief of anxiety using a four-graded scale (excellent, good, fair, poor). Both flunitrazepam and oxazepam decreased anxiety (P less than 0.01) compared with placebo. However, no correlations between type of premedication or level of anxiety and gastric contents were found. The proportion of patients with gastric fluid volume greater than 25 mL and pH less than 2.5 was not significantly different in any of the groups studied. These results suggest that neither peroral benzodiazepine premedication nor preoperative anxiety have a clinically important impact on gastric content in patients presenting for elective gynecologic surgery." @default.
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- W2017976989 date "1992-07-01" @default.
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- W2017976989 title "Does Preoperative Anxiety Influence Gastric Fluid Volume and Acidity?" @default.
- W2017976989 doi "https://doi.org/10.1213/00000539-199207000-00017" @default.
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