Wednesday, December 8, 2010

Knee Surgery and Arthrogryposis

The Journal of Pediatric Orthopedics published research on ambulation gains following surgical correction for knee flexion contractures in children with arthrogyposis. Prior to surgery at 2 through 16 years of age, 11 children were non ambulatory, 2 were household ambulators and 1 was a community ambulator with orthosis. The children underwent an average of 1.8 surgeries of mostly distal femoral extension osteotomy and/or Ilizarov external fixator. Follow ups were performed anywhere from 12 months to 112 months which indicated that: 8 children were now ambulatory with adapted equipemtn (i.e. orthoses, walkers or braces), 2 children were household ambulators, one child used a wheelchair and was independent for transfers and 2 children were non ambulatory. Knee flexion contractures varied from an average of 63.7 (+/-26.8 degrees) preoperatively, 13.2±16.7 degrees postoperatively and 34.0±24.1 degrees at latest follow up. The return of the knee flexion contractures postoperatively did not limit the ambulation gains that were achieved.

Reference: Yang, Stephen Su et al. Ambulation Gains After Knee Surgery in Children With Arthrogryposis. Journal of Pediatric Orthopaedics: December 2010 - Volume 30 - Issue 8 - p 863–869 doi: 10.1097/BPO.0b013e3181f5a0c8

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