Fracture of the central polyethylene tibial spine in posterior stabilized total knee arthroplasty.
case_series · Level IV
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- Record sourced from PubMed, PMID 12934226.
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Abstract
Between 1993 and 1998, 332 I-BII (Insall Burstein II) prostheses were implanted in our department. We studied 5 cases of tibial polyethylene spine fractures. The fractures occurred 3 to 5 years following the surgery. All cases with fractures had mild medial laxity that was noted on follow-up of 2 to 3 years following arthroplasty. One also developed mild hyperextension. All the patients had a revision surgery. In 2 cases, the polyethylene was changed to a thicker one, together with medial reinforcement. Three cases were revised to a rotating hinge prosthesis.
Medical subject headings
- Arthroplasty, Replacement, Knee
- Knee Prosthesis
- Prosthesis Failure
Anatomy
- knee
- tibia