American Journal of Medical Sciences and Medicine
ISSN (Print): 2327-6681 ISSN (Online): 2327-6657 Website: http://www.sciepub.com/journal/ajmsm Editor-in-chief: Apply for this position
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American Journal of Medical Sciences and Medicine. 2016, 4(2), 23-25
DOI: 10.12691/ajmsm-4-2-1
Open AccessArticle

Polyethylene Bearing Stress Fractures after Mobile-bearing Cruciate-retaining Total Knee Arthroplasty: Case Reports

Eshnazarov Kamolhuja Eshnazarovich1 and Jong Keun Seon2,

1Department of Orthopedic Surgery, Shinchon Yonsei Hospital, Korea

2Department of Orthopedic Surgery, Chonnam National University Hospital, Korea

Pub. Date: March 31, 2016

Cite this paper:
Eshnazarov Kamolhuja Eshnazarovich and Jong Keun Seon. Polyethylene Bearing Stress Fractures after Mobile-bearing Cruciate-retaining Total Knee Arthroplasty: Case Reports. American Journal of Medical Sciences and Medicine. 2016; 4(2):23-25. doi: 10.12691/ajmsm-4-2-1

Abstract

Some reported bearing fractures are due to entrapment of the bearing between the femoral component and posterior edge of the tibial base plate in unstable meniscal –bearing design TKA. However, so far no cases of bearing fracture has been reported for the rotating platform or anteroposterior gliding designs of mobile bearing TKA. The authors describe two cases of polyethylene stress fracture after primary TKA using a cruciate-retaining floating platform mobile-bearing prosthesis (e.motion-FP, B.Braun-Aesculap, Tuttlingen, Germany), and includes a review of the pertinent literature and a discussion of possible fracture mechanisms.

Keywords:
TKA Mobile-bearing polyethylene stress fracture

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