Percutaneous Screw Fixation for Painful Non-Union of Lateral Malleolus Ankle Fractures

Publication date: Available online 16 August 2018

Source: Injury

Author(s): Timothy J. Batten, Charlotte Scott-Davies, Michael Butler, Stephen W. Parsons, Richard P. Walter

Abstract

Introduction

Lateral malleolus non-union can cause pain and loss of function. Standard treatment involves open approach with debridement, bone-grafting and plate stabilisation, with published surgical site infection rates to 17%. To minimise the risk of soft tissue complications and allow early mobilisation, we describe a technique for percutaneous cannulated screw stabilisation.

Materials and Methods

Retrospective case review for all percutaneous lateral malleolus non-union stabilisation procedures undertaken in our hospital between 2011 and 2017 was performed. Fracture union was diagnosed by resolution of pain and swelling, with a return to full weight-bearing mobilisation and two-view radiographs consistent with union.

Results

Twelve cases were reviewed. All fractures united. There was one superficial wound infection treated with oral antibiotics, and one early case with drill-piece fracture requiring conversion to open procedure with plate stabilisation.

Conclusion

We believe this to be the first report of percutaneous stabilisation for non-union of lateral malleolus fractures. We demonstrate this to be a safe and effective technique.

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