Articles: anesthetics.
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Anesthetics
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Acta Anaesthesiol Belg · Jan 1980
The action of inhalation anesthetics upon the lower oesophageal sphincter.
The lower oesophageal sphincter plays an important role as a gastro-oesophageal blocker. Its proper function as a reflux barrier for the prevention of regurgitation and aspiration during anesthesia is very important. ⋯ The inhalation of nitrous oxide-oxygen alone or in combination with 2 Vol. % halothane or enflurane resulted in a highly significant pressure drop (p < 0.001) at the lower oesophageal sphincter. All three anesthetics (nitrous oxide-oxygen, nitrous oxide-oxygen-halothane and nitrous oxide-oxygen-enflurane) caused a pressure rise at the distal oesophagus and a pressure decrease at the stomach.