Anaesthesia induction and lower oesophageal sphincter pressure.


The effects of some drugs generally used in premedication for and induction of anaesthesia on the lower oesophageal sphincter (LOS) pressure were investigated in 30 dogs, using the modern oesophageal manometric technique. In thiopental-induced anaesthesia, a distinct pressure gradient was noted between the LOS and gastric pressure. Atropine eliminated this… (More)


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