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1 results

  • Clinical study of transcanal closure of tympanic membrane perforations using a collagen sponge

  • A Tamae, S Komune
  • Journal:
    The Journal of Laryngology & Otology / Volume 129 / Issue S2 / March 2015
    Published online by Cambridge University Press:
    23 February 2015, pp. S21-S26
    Print publication:
    March 2015
    • Article
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  • Materials and methods:

    We used an artificial dermis (Terdermis®), which is an atero-collagen sponge covered with a sheet of silicon.

    Patients:

    Nineteen ears of 17 patients with perforation of the tympanic membrane under various conditions, including large and wet perforations, underwent operation using this collagen sponge.

    Results:

    The success rate of closure after the initial surgery was 8/19. The overall success rate of closure after initial and re-operation was 14/19. The success rate of closure was 12/14 for small-sized perforations, 1/4 for middle-sized perforations and 1/1 for a large-sized perforation. Middle- and large-sized perforations required multiple surgeries. The success rate of closure was 11/11 for dry perforations, 3/4 for perforations with light otorrhoea and 0/4 for perforations with extensive otorrhoea.

    Conclusion:

    This surgery is a low-cost and minimally invasive surgery and has a high closure rate. This surgery is effective on small-sized, dry perforations although it can also close middle- and large-sized dry perforations.