Middle Ear

The Role of Ventilation in Disease and Surgery

Häftad, Engelska, 2012

551 kr

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551 kr

For the middle ear to maintain its most important function, sound con duction, its pressure always needs to be kept around atmospheric level.

I Middle-Ear Physiology: Ventilation and Pressure Regulation.- 1 Pressure Regulation by the Eustachian Tube.- 2 Pressure Regulation by Transmucosal Gas Exchange.- 3 Interrelation of the Eustachian Tube and Gas Exchange.- 4 Summary.- II Middle-Ear Pathophysiology After Ear Surgery.- 1 Transmucosal Gas Exchange Function After Ear Surgery.- 2 Mastoid Aeration After Ear Surgery.- 3 Posterior Canal-Wall Retraction After Ear Surgery.- 4 Summary.- III Choice of Mode of Ear Surgery.- 1 Canal-Wall-Up or Canal-Wall-Down?.- 2 Choice of Mode of Ear Surgery from the Viewpoint of Middle-Ear Ventilation.- 3 “Soft-Wall Reconstruction” of the Posterior Canal Wall.- 4 Anterior Tympanotomy, Posterior Tympanotomy.- 5 Summary.- IV Cholesteatoma in Relation to Middle-Ear Ventilation.- 1 Analysis of Cholesteatoma After Surgery for Noncholesteatomatous Otitis Media.- 2 Pathophysiology of Cholesteatoma.- 3 The Change from OME in Children to Cholesteatoma.- 4 Cholesteatoma and a Retraction Pocket.- 5 Pathogenesis of Cholesteatoma.- 6 Management of Cholesteatoma.- 7 Summary.- References.