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Middle-ear pressure changes during general N2O Anaesthesia in Adeno-Tonsillectomies due to post-nasal packing
Published online by Cambridge University Press: 29 June 2007
Abstract
During adeno-tonsillectomies performed under general anaesthesia with N2O we observed and measured a serious increase in middle-ear pressure (M.E.P.). This is due to the fact that the rate of diffusion of N2O is greater inwards than outwards. This rise in the middle-ear pressure is due to the packing of the nasopharynx after adenoidectomy for haemostasis.
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