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RESULTS OF ARTHROSCOPIC FIXATION OF TIBIAL SPINE AVULSION IN CHILDREN



Abstract

Aim: To review the outcomes for avulsion fractures of the tibial spine in children managed by arthroscopic internal fixation using a canulated screw.

Materials & Methods: A retrospective review was performed of 8 tibial spine avulsion fractures in children managed operatively by arthroscopic canulated screw fixation over a 4 year period. All fractures were graded grade III or IV (Meyer and McKeevers) in severity. Notes and radiographs were reviewed and Lysholm scores were obtained. The average age of our patients was 10.6 years and the average duration of follow up was 23.6 months (Range: 3–52 months). The average Lysholm score achieved was 88.9 (median 94.5, range 61–100) with the score demonstrably improving after the first year from injury. Bony healing was seen in all cases. One patient needed manipulation under anaesthesia to realize full movement.

Conclusions: On the basis of these results, we recommend arthroscopic canulated screw fixation as the treatment of choice for tibial spine avulsions. It takes over a year, however, to achieve optimal results. This series represents the largest collection of these uncommon injuries hitherto reported from the UK.

Correspondence should be addressed to BSCOS c/o BOA, at the Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London, WC2A 3PE, England.