Total knee arthroplasty for osteonecrosis

Michael A. Mont, Aiman Rifai, Keith M. Baumgarten, Michael Sheldon, David S. Hungerford

Research output: Contribution to journalArticle

Abstract

Background: A patient with collapse of a femoral condyle caused by osteonecrosis has few treatment options other than total knee arthroplasty. The purpose of this study was to report the clinical and radiographic outcome of total knee arthroplasty for osteonecrosis. Methods: Between 1987 and 1996, thirty-two total knee arthroplasties were performed with cement in thirty patients with osteonecrosis of the femoral condyle and/or tibial plateau. The study group included twenty-forty women and five men with a mean age of fifty-four years (range, thirty-one to seventy-seven years) at the time of the arthroplasty. Twenty-two patients had atraumatic osteonecrosis associated with corticosteroid use, and eight had spontaneous osteonecrosis. All patients had a complete clinical and radiographic evaluation at a mean of 108 months (range, forty-eight to 144 months) postoperatively. Results: Overall, thirty-one (97%) of the thirty-two knees had a successful clinical outcome. The mean Knee Society score improved from 54 points preoperatively to 95 points at the time of the latest follow-up. No evidence of progressive radiolucency was found around any prosthetic component. Conclusions: Previous studies have demonstrated less-than-optimal results following total knee arthroplasty in patients with osteonecrosis. The excellent results found in the present study may have been secondary to the use of cemented implants in all cases and ancillary stems when appropriate.

Original languageEnglish (US)
Pages (from-to)599-603
Number of pages5
JournalThe Journal of bone and joint surgery. American volume
Volume84
Issue number4
StatePublished - Apr 2002

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Knee Replacement Arthroplasties
Osteonecrosis
Thigh
Bone and Bones
Arthroplasty
Knee
Adrenal Cortex Hormones

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

Mont, M. A., Rifai, A., Baumgarten, K. M., Sheldon, M., & Hungerford, D. S. (2002). Total knee arthroplasty for osteonecrosis. The Journal of bone and joint surgery. American volume, 84(4), 599-603.

Total knee arthroplasty for osteonecrosis. / Mont, Michael A.; Rifai, Aiman; Baumgarten, Keith M.; Sheldon, Michael; Hungerford, David S.

In: The Journal of bone and joint surgery. American volume, Vol. 84, No. 4, 04.2002, p. 599-603.

Research output: Contribution to journalArticle

Mont, MA, Rifai, A, Baumgarten, KM, Sheldon, M & Hungerford, DS 2002, 'Total knee arthroplasty for osteonecrosis', The Journal of bone and joint surgery. American volume, vol. 84, no. 4, pp. 599-603.
Mont MA, Rifai A, Baumgarten KM, Sheldon M, Hungerford DS. Total knee arthroplasty for osteonecrosis. The Journal of bone and joint surgery. American volume. 2002 Apr;84(4):599-603.
Mont, Michael A. ; Rifai, Aiman ; Baumgarten, Keith M. ; Sheldon, Michael ; Hungerford, David S. / Total knee arthroplasty for osteonecrosis. In: The Journal of bone and joint surgery. American volume. 2002 ; Vol. 84, No. 4. pp. 599-603.
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