Catastrophic wear in uncemented acetabular cups after Total
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Catastrophic wear is a rare outcome following Total Hip Arthroplasty. The main cause of catastrophic wear was secondary to regular usage. Patients with catastrophic wear usually have good long-term outcomes after a revision total hip arthroplasty (THA).

Researchers present 5 cases of revision THA performed successfully on 5 patients presenting Catastrophic wear, following Total Hip Arthroplasty (THA). They evaluated 5 patients that presented Catastrophic rupture of acetabular implants in a 3-week period in the prosthesis center.

The 5 patients were females, the mean age was 56 years, the mean post-surgery time was 20 years, 4/5 of the coupling wear was ceramic–polyethylene and only one case was metal–polyethylene; 4/5 had a bilateral total hip replacement. In the 5 cases a revision THA was performed, all with a successful outcome.

Catastrophic failure is an unusual entity; however, when a patient with a prosthesis presents with sudden pain, an immediate image study is indicated, with careful attention to the differential diagnosis, so as to accurately advise receiving a revision THA. The main causes of implant failure are implant duration, volumetric wear, and subsequent rupture. Patients with Catastrophic wear and implant rupture, treated with a revision THA, usually have a good long-term outcome.

International Journal of Surgery Case Reports
Source: https://doi.org/10.1016/j.ijscr.2021.105846
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