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Ossiculoplasty failure with ceramic ossicular replacement prosthesis.

E Yamamoto, M Iwanaga

    ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
    |January 1, 1986
    PubMed
    Summary
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    Ceramic ossicular replacement prostheses (CORP) showed a 8.6% failure rate over 18 months. Avoid using CORP in patients with anticipated postoperative tubal dysfunction or disease recurrence to ensure prosthesis stability.

    Area of Science:

    • Otolaryngology
    • Biomaterials Science
    • Surgical Outcomes

    Background:

    • Middle ear reconstruction frequently utilizes prostheses.
    • Ceramic ossicular replacement prostheses (CORP) offer a biocompatible option.
    • Long-term stability data for CORP is essential for clinical practice.

    Purpose of the Study:

    • To evaluate the long-term stability and failure rates of ceramic ossicular replacement prostheses (CORP).
    • To identify factors contributing to CORP failure in middle ear surgery.

    Main Methods:

    • A retrospective analysis of 162 ears receiving CORP.
    • Follow-up duration exceeding 18 months for all cases.
    • Documentation of extrusion and dislocation events.

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    Main Results:

    • Overall failure rate was 8.6% (14/162 ears).
    • Extrusion occurred in 4.9% (8/162 ears) and dislocation in 3.7% (6/162 ears).
    • Failures were primarily linked to postoperative tubal dysfunction and disease recurrence.

    Conclusions:

    • Ceramic ossicular replacement prostheses demonstrate moderate long-term stability.
    • Postoperative tubal dysfunction and disease recurrence are significant risk factors for CORP failure.
    • Contraindicate CORP use in patients with anticipated tubal dysfunction or recurrent disease.