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Journal of Bone and Joint Surgery - British Volume, Vol 86-B, Issue 6, 824-829.
doi: 10.1302/0301-620X.86B6.15005  
Copyright © 2004 by British Editorial Society of Bone and Joint Surgery
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Survival analysis of a cementless, cruciate-retaining total knee arthroplasty

CLINICAL AND RADIOGRAPHIC ASSESSMENT 10 TO 13 YEARS AFTER SURGERY

H. Watanabe, MD, Clinical Fellow; S. Akizuki, MD, PhD, Clinical Professor and Chief Surgeon; and T. Takizawa, MD, PhD, Chief Surgeon

Department of Orthopaedic Surgery, Nagano Matsushiro General Hospital, 183 Matsushiro, Nagano City 381-1231, Japan.

Correspondence should be sent to Dr S. Akizuki.

We performed a prospective study of 54 patients (76 knees) who underwent Osteonics series 3000 cruciate-retaining cementless total knee arthroplasty between December 1990 and June 1993. Five patients (seven knees) were lost to follow-up (90.7% completion). One patient required revision at 10.5 years after operation.

The rate of survival was 100% at ten years and 96.7% at 13 years. The mean ten-year knee and function scores were 79 and 59 respectively. Both were significantly better than the pre-operative scores. The range of movement also improved. Although a radiolucent line around the tibial component enlarged in six knees (20.7%) at ten years, the clinical outcome was generally good. In a patient who died after 5.5 years, post-mortem examination of the knee showed no bony ingrowth into the tibial component. Despite poor bony ingrowth, press-fit fixation was satisfactory and good results can be obtained with this cementless, cruciate-retaining prosthesis.




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[Abstract] [Full Text] [PDF]


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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General