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Related Experiment Videos

Central perforations-safe or unsafe?

D H Rice

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |October 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Middle ear disease is common behind all tympanic membrane perforations, regardless of type. Even near-normal hearing doesn't ensure a healthy middle ear, so all perforations require careful management.

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    Area of Science:

    • Otolaryngology
    • Middle Ear Surgery
    • Tympanic Membrane Pathology

    Background:

    • Tympanic membrane perforations can be classified by location, including central, attic, and marginal.
    • The extent of middle ear pathology associated with different perforation types is not fully understood.
    • Previous studies may not have adequately compared disease behind central versus attic/marginal perforations.

    Purpose of the Study:

    • To compare the types and degree of middle ear pathologic features behind central perforations versus attic or marginal perforations.
    • To evaluate the relationship between tympanic membrane perforation type and underlying middle ear disease.
    • To assess the reliability of audiogram results in predicting middle ear health in the presence of perforations.

    Main Methods:

    Related Experiment Videos

  • Analysis of 227 consecutive tympanomastoidectomy cases.
  • Classification of tympanic membrane perforations into central, attic, and marginal types.
  • Intraoperative assessment of middle ear and mastoid pathologic features.

    • Main Results:

    • Little difference in the extent of middle ear disease was found between central perforations and attic/marginal perforations.
    • Significant middle ear pathology was present behind all types of tympanic membrane perforations.
    • Near-normal audiogram results did not consistently correlate with a normal middle ear status.

    Conclusions:

    • Central tympanic membrane perforations are not inherently 'safe' and harbor significant disease.
    • Attic and marginal perforations should be managed with the same degree of caution as central perforations.
    • Clinical decisions regarding tympanic membrane perforations should not solely rely on audiometric findings.