[Variations in middle-ear producen during a mask-ventilation (author's transl)].
In 30 patients ageing from 19-60 years dueing forced mask-ventilation, the pressures present in the epipharynx and the middle ear were measured. In 12 patients results raising pressure of the middle ear which has a corresponding level in the epipharynx accompanied by a time delay. It was possible to measure peaks in pressure of 100 cm H2O which however, by increased forced ventilation could produce higher results. Disturbances of the movable structures of the middle ear, due to increased forced ventilation appears probable.
D000769:Anesthesia, Inhalation / Q000009:adverse effects*; D004432:Ear, Middle / Q000502:physiology*; D006801:Humans; D008365:Manometry; D011312:Pressure; D012121:Respiration, Artificial; D012122:Ventilators, Mechanical / Q000295:instrumentation
Druckänderungen im Mittelohr durch Maskenbeatmung.