Background: Lateral malleolus fractures occur frequently. The common techniques for fixing purely lateral malleolus fractures are often challenging, owing to the extent of soft tissue damage and fracture non-union. Herein, we report a new treatment that entails minimally invasive insertion and continuous compression of the broken ends as a novel technique, and evaluate its clinical results.

Methods: This study enrolled 21 patients (13 males and 8 females; mean age 32.06±3.45 years, range 23-69 years) with purely lateral malleolus fractures. Each patient underwent open reduction treatment with a mini locking plate for internal fixation and compression of the fracture end with an Arched Shape-Memory Connector (ASC). The clinical assessments were made using the American Orthopedic Foot and Ankle Society (AOFAS) scores, which were recorded at the final follow-up visit.

Results: The patients were followed for an average of 14.7±1.2 months (range, 12-18 months). None of the patients showed surgical failure, and all of the purely lateral malleolus fractures healed in an average of 12.6±1.5 weeks (range, 10-16 weeks). The mean AOFAS score was 88.94 (range, 83-90).

Conclusions: The new treatment had beneficial outcomes for purely lateral malleolus fractures. Mini locking plates are minimally invasive for surgical intervention, and combined with continuous concentrated compression with an ASC to accelerate osseous healing, they aid in restoration of function and enable early rehabilitation with a low incidence of postoperative complications.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7791235PMC
http://dx.doi.org/10.21037/atm-20-4055DOI Listing

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