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- Title
Joint-preserving surgical treatment of spontaneous osteonecrosis of the knee.
- Authors
Duany, Nyagon G.; Zywiel, Michael G.; McGrath, Mike S.; Siddiqui, Junaed A.; Jones, Lynne C.; Bonutti, Peter M.; Mont, Michael A.
- Abstract
To date, reports of surgical treatment of spontaneous osteonecrosis of the knee (SPONK) refractory to non-operative treatment have primarily focused on knee arthroplasty. This report presents an overview of the characteristics of SPONK and reports our experience with joint-preserving surgical treatment of this condition. Fifteen patients who had joint-preserving surgery after failed non-operative modalities were studied. These patients were treated at a single center between January 1998 and September 2006 with a combination of arthroscopy and core decompression, or osteochondral autograft transfers. Thirteen of the 15 knees (87%) had knee joint survival with a mean Knee Society Score of 81 points (range 45–100 points) at a mean follow-up of 40 months (range 9–120 months). Five of seven knees treated with core decompression had a successful clinical outcome. One of the patients who failed core decompression later underwent osteochondral autograft transfer, and eight of nine knees treated with this modality had a successful outcome. Overall, these results demonstrate that joint-preserving surgical treatment can successfully postpone the need for knee arthroplasty in selected patients with pre-collapse SPONK.
- Subjects
OSTEONECROSIS; JOINT surgery; STIFLE joint; ARTHROSCOPY; ARTHROPLASTY
- Publication
Archives of Orthopaedic & Trauma Surgery, 2010, Vol 130, Issue 1, p11
- ISSN
0936-8051
- Publication type
Article
- DOI
10.1007/s00402-009-0872-2