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Aural and Extratemporal Complications of Otitis Media

Built from Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition

What’s inside

5 sections · 103 slides

  1. 01

    Overview

    • Scope of this topic
    • Definition of otitis media
    • Historical and current epidemiology
    • Tempo of presentation
    • Complications of suppurative ear disease

    5 slides

  2. 02

    Complications of acute otitis media

    • Natural history of acute otitis media
    • Perforation of the pars tensa
    • Hearing loss with a persistent perforation
    • Myringoplasty and Eustachian tube function
    • Acute mastoiditis: anatomical basis
    • Radiological mastoiditis versus clinical disease
    • Progression to coalescent mastoiditis
    • Coalescent mastoiditis on axial CT
    • Directions of erosive spread
    • Luntz multicentre series of acute mastoiditis
    • Bacteriology of acute mastoiditis
    • Management of noncoalescent mastoiditis
    • Management of coalescent mastoiditis
    • Postauricular incision in infants
    • Subperiosteal abscess on contrasted CT
    • Cortical and sigmoid plate erosion
    • Subacute and masked mastoiditis
    • Anaerobic mechanism of masked mastoiditis
    • Complications found in masked mastoiditis
    • Imaging when complications are suspected
    • Subperiosteal and intraluminal sigmoid sinus abscess
    • Petrositis: definition
    • Air cell tracts to the petrous apex
    • Acute petrositis
    • Gradenigo syndrome
    • Acute petrous apicitis on contrast MRI
    • Chronic petrositis
    • Medical management of petrous apicitis
    • Surgical corridors to the petrous apex
    • Facial paralysis complicating AOM
    • Routes of infection to the facial nerve
    • Management of facial palsy after AOM
    • Schuknecht classification of labyrinthitis
    • Serous versus suppurative labyrinthitis
    • Labyrinthitis ossificans
    • Labyrinthitis ossificans on axial CT
    • Adjuvant corticosteroids in labyrinthitis

    37 slides

  3. 03

    Complications of chronic otitis media

    • Chronic otitis media in the antibiotic era
    • Smyth hypothesis of chronic ear disease
    • Effect of long-standing middle-ear effusion
    • Stable scar and permanent perforation
    • Atelectasis of the tympanic membrane
    • Retraction pocket to cholesteatoma
    • Two forms of chronic suppuration
    • Tubotympanic disease
    • Three presentations of tubotympanic disease
    • Complications in noncholesteatomatous ears
    • Atticoantral disease
    • The atticoantral perforation is a retraction pocket
    • Pars flaccida versus pars tensa cholesteatoma
    • Behaviour of retraction pockets
    • Bacteriology of atticoantral disease

    15 slides

  4. 04

    Extratemporal and intratemporal complications of COM

    • Subperiosteal abscess in chronic disease
    • Physical signs of a subperiosteal abscess
    • Diagnosis and management of subperiosteal abscess
    • Labyrinthine fistula: frequency and cause
    • Bony erosion versus true fistula
    • Symptoms of a labyrinthine fistula
    • The fistula test
    • Imaging of a labyrinthine fistula
    • Superior semicircular canal fistula on axial CT
    • Principles of fistula surgery
    • Controversy over matrix removal
    • Staged canal wall up strategy
    • Gacek factors in deciding on matrix removal
    • Overall goal of fistula management
    • Labyrinthitis complicating chronic otitis media
    • Rehabilitation after labyrinthitis
    • Tuberculous labyrinthitis
    • Facial paralysis complicating COM
    • Proposed mechanisms in nontubercular ears
    • Assessment of facial palsy in COM
    • Medical measures in COM facial palsy
    • Definitive surgical management
    • Types of facial nerve damage found at surgery
    • Extent of decompression and nerve repair
    • Prognosis and fallopian canal dehiscence
    • Meningoencephaloceles: definition
    • Tegmen defects and herniation
    • Presentation of meningoencephalocele
    • Imaging in meningoencephalocele
    • Goals and approaches for repair
    • Hearing rehabilitation after canal closure
    • Layered closure of the tegmen defect

    32 slides

  5. 05

    Summary

    • Key numbers
    • Practice points
    • Concluding perspective
    • References
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition
    • Join our WhatsApp groups

    10 slides