British Journal of Anaesthesia, 1990, Vol. 64, No. 1 33-35
© 1990 The Board of Management and Trustees of the British Journal of Anaesthesia
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LOWER OESOPHAGEAL REFLUX DURING PRIMING WITH VECURONIUM
Départment d'Anesthésie Réanimation, Hôspital Sainte Marguerite 270 Bd de Sainte Marguerite, 13274 Marseille Cedex 9, France
We have studied the effects of vecuronium given in divided doses (priming principle) on the frequency of acid reflux into the oesophagus. Two groups of 16 patients were studied. After induction with thiopentone 6 mg kg1 and fentanyl 3 µg kg1, patients in one group were given vecuronium 0.01 µg kg1 as a priming dose, followed by an intubation dose of 0.1 µg kg1 4 min later. Patients in the other group were given no priming dose. Lower oesophageal pH was monitored continuously and acid reflux was defined as a decrease in pH to less than 4.0. One patient in each group had acid reflux during the time course of the induction. This study suggests that vecuronium 0.01 µg kg1 given as a priming dose does not increase the risk of acid reflux into the oesophagus.
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