Abstract
Ossiculoplasty, or ossicular chain reconstruction, is usually performed after middle ear pathologies removal, such as cholesteatoma, or in case of tympanosclerosis in order to restore hearing function. The reconstruction can be achieved in one time during first operation, or in a second look operation, like in case of large cholesteatomas and diseased mucosa inside the tympanic cavity.
The materials used to replace or reconstruct the continuity of the ossicles can be artificial prostheses made of Plastipore, ceramics, titanium, and hydroxyapatite or homologous grafts like remodeled incus or tragal cartilage.
The prosthesis is positioned either between tympanic membrane and stapes or between malleus and stapes. In case of absence of stapes superstructure, the graft/prosthesis has direct contact with the footplate (TORP procedure), while if the superstructure of the stapes is present, the graft/prosthesis is positioned onto the stapes head (PORP procedure).
The endoscope guarantees an optimal view of the oval window and the stapes superstructure, and so the graft can be positioned very precisely. Obviously, a training period in endoscopic ear surgery is essential in order to perform ossicular chain reconstruction with this instrument. The ovine model provides a suitable option for surgeons who want to improve their surgical skills in endoscopic ossicular chain reconstruction with different materials.
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Fernandez, I.J. et al. (2021). Ossiculoplasty. In: Bonali, M., Presutti, L., Marchioni, D. (eds) Comparative Atlas of Endoscopic Ear Surgery. Springer, Cham. https://doi.org/10.1007/978-3-030-47005-0_7
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DOI: https://doi.org/10.1007/978-3-030-47005-0_7
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