J Korean Knee Soc.  2007 Dec;19(2):244-247.

Dislocation of Tibial Insert after Fixed Bearing TKA using Minimal Invasive Surgery: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, Maryknoll Hospital, Busan, Korea. metacarpal@lycos.co.kr

Abstract

Posterior instability after mobile bearing total knee replacement may be caused by gap imbalance, component malpo- sition, and delayed rupture of posterior cruciate ligament, but could not be easily considered other cause except component breakage in fixed bearing posterior cruciate substituted total knee replacement. The dislocation of tibial polyethylene insert was reported after mobile bearing total knee replacement but rare after fixed bearing total knee replacement. We report a case of dislocation of tibial polyethylene insert that have been found at a patient who had continuing posterior instability after fixed bearing posterior cruciate ligament substituted total knee replacement with a review of article.

Keyword

Total knee replacement; Posterior instability; Posterior cruciate ligament substituted; Fixed bearing; Tibial polyethylene insert; Dislocation

MeSH Terms

Arthroplasty, Replacement, Knee
Dislocations*
Humans
Polyethylene
Posterior Cruciate Ligament
Rupture
Polyethylene
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