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. 2014;5(2):49-51.
doi: 10.1016/j.ijscr.2013.11.011. Epub 2013 Dec 21.

Tibial baseplate fracture associated with polyethylene wear and osteolysis after total knee arthroplasty

Deniz Cankaya  1 , Serdar Yilmaz  2 , Alper Deveci  3 , Bulent Ozkurt  4
Affiliations

Tibial baseplate fracture associated with polyethylene wear and osteolysis after total knee arthroplasty

Deniz Cankaya et al. Int J Surg Case Rep. 2014.

Abstract

Introduction: Fracture of the tibial baseplate following total knee arthroplasty is very rare given the developments in modern prosthesis design. Tibial baseplate fracture secondary to polyethylene wear, osteolysis and component malalignment in an elderly obese patient is reported in the present article.

Presentation of case: A 69-year-old woman had undergone total knee arthroplasty eleven years prior to presentation and reported nine months of chronic pain, which was caused by a neglected fracture of the baseplate.

Discussion: We discuss the prevention of implant fracture after total knee arthroplasty and address the risk factors associated with this complication.

Conclusion: The present case emphasizes the importance of properly informing patients and encouraging them to report such complaints immediately to allow for early revision and prevention of component fracture, especially in patients with risk factors such as obesity and component, malalignment.

Keywords: Baseplate fracture; Knee arthroplasty; Polyethylene wear.

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Figures

Fig. 1
Fig. 1
Follow-up radiograph revealed varus malalignment of the tibia three years after the total knee arthroplasty.
Fig. 2
Fig. 2
Preoperative AP and lateral radiographs.
Fig. 3
Fig. 3
Intraoperative view of the fractured tibial component (A) and the fractured tibial component showing bone ingrowth in the lateral part of the knee with severe polyethylene wear (B).
Fig. 4
Fig. 4
Postoperative AP and lateral radiographs after the revision knee arthroplasty.
See this image and copyright information in PMC

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