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- Title
Dislocation of the polyethylene inlay due to anterior tibial slope in revision total knee arthroplasty.
- Authors
Waelchli, B.; Romero, J.
- Abstract
We report a case of dislocation of the polyethylene inlay in revision total knee arthroplasty. Eight days after revision arthroplasty due to a previous infection, the polyethylene inlay of a PCL- retaining cemented total knee arthroplasty dislocated at about 80° of flexion on the CPM machine. Lateral X-ray examination revealed an anterior slope of the tibial cut of 5°. Correction of the tibial slope to a posterior tibial slope of 7° reduced the forces on the posterior aspect of the inlay and no redislocation occurred. The mechanisms causing tibial inlays to dislocate in TKA are analyzed and discussed.
- Subjects
POLYETHYLENE; ARTHROPLASTY; JOINT surgery; TOTAL knee replacement; X-rays; TIBIA
- Publication
Knee Surgery, Sports Traumatology, Arthroscopy, 2001, Vol 9, Issue 5, p296
- ISSN
0942-2056
- Publication type
Article
- DOI
10.1007/s001670100203