title: [Comparison of different cup revision systems].
abstract: Aseptic loosening of hip cups results in cranial and medial migration, which induces bone resorption and defects. Despite these defects, it is the aim in cup revision arthroplasty to get a stable fixation and a restoration of the hip center. Depending on the size of the defect, which can be classified by different scoring systems, various strategies requiring an experienced surgeon can be used to reach this aim. If defects are localized, bigger primary cemented or cement-free cups can be used. Larger defects may need bone transplantation or special designs such as oval cups or reinforcement rings. They can be used with or without plates in combination with cement for inlay fixation. In the case of bigger defects or pelvic discontinuity, modular systems or a socket cup may be necessary.
authors.affiliation: Abteilung für Orthopädie und orthopädische Chirurgie, Klinikum Wels-Grieskirchen, Grieskirchnerstrasse 42, A-4600 Wels, Osterreich. Klemens.trieb@klinikum-wegr.at
authors.forename: K
authors.initials: K
authors.lastname: Trieb
mesh_terms: D000077:Acetabulum / Q000601:surgery*; D019644:Arthroplasty, Replacement, Hip / Q000295:instrumentation*; D006622:Hip Prosthesis / Q000145:classification*; D006801:Humans; D007593:Joint Instability / Q000601:surgery*; D018579:Patient Selection; D011475:Prosthesis Failure; D012086:Reoperation / Q000295:instrumentation / Q000379:methods; D013673:Technology Assessment, Biomedical
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