Overview

The middle ear is an organ that, like the lung, must maintain an aerated cavity within it to carry out its function. When hypoventilation occurs in the lung it threatens the maintenance of life, when it occurs in the middle ear it causes loss of hearing. For the middle ear to fulfill its vital sound-conduction function, its pressure must be maintained at approximately atmospheric level. The eustachian tube has long been known to play a key role in pressure regulation, but later research has revealed that transmucosal gas exchange is as important as the function of the eustachian tube, and that the ventilatory physiology of the middle ear is maintained by these two mechanisms in tandem. The findings presented in this volume answer many questions about ventilation and pressure regulation of the middle ear, and should be valuable to clinical practitioners in choosing appropriate modes of treatment for pathological conditions such as cholesteatoma and otitis media.

Full Product Details

Author:   H. Takahashi
Publisher:   Springer Verlag, Japan
Imprint:   Springer Verlag, Japan
Edition:   Softcover reprint of the original 1st ed. 2001
Dimensions:   Width: 15.50cm , Height: 0.80cm , Length: 23.50cm
Weight:   0.454kg
ISBN:  

9784431703068

ISBN 10:   4431703063
Pages:   105
Publication Date:   01 January 2001
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

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.

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