
Nitrous oxide and intermittent positive pressure respiration prior to intubation raised the middle ear pressure in children with normal ears. In children with secretory otitis media, nitrous oxide was responsible for aeration alone and this was seen only in children with some gas present prior to surgery. Wide range tympanometry accurately predicted the findings at myringotomy.
Otitis Media, Acoustic Impedance Tests, Otitis Media with Effusion, Child, Preschool, Nitrous Oxide, Ear, Middle, Humans, Anesthesia, Inhalation, Child, Halothane, Intermittent Positive-Pressure Ventilation
Otitis Media, Acoustic Impedance Tests, Otitis Media with Effusion, Child, Preschool, Nitrous Oxide, Ear, Middle, Humans, Anesthesia, Inhalation, Child, Halothane, Intermittent Positive-Pressure Ventilation
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