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J Bone Joint Surg Br. 1999 May;81(3):449-51.

Hemicallotasis open-wedge osteotomy for osteoarthritis of the knee. Complications in 308 operations.

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  • 1Department of Orthopaedics, University Hospital, Lund, Sweden.


We studied the complications after open-wedge osteotomy by hemicallotasis in 308 consecutive patients, most of whom had osteoarthritis of the knee. The participating surgeons, who worked at 17 hospitals, used their discretion in selecting patients, operating techniques and external fixators. The general complications included 11 cases of deep-vein thrombosis (4%), six of nonunion (2%) and one of septic arthritis of the knee. There were technical complications in 13 patients (4%). In 157 patients (51%) pin-site infections were recorded; of these, 96% were minor and responded to wound toilet and antibiotic treatment. A total of 18 revision procedures was carried out.

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