Factors Associated With Adverse Radiographic Outcomes Following Operative Management of Ankle Fractures: A Single-Center Study

TL;DR

This study identifies factors affecting the quality of surgical reduction in ankle fractures, including surgeon experience and time to surgery.

Contribution

The study provides new insights into factors influencing reduction quality in ankle fractures at a single center in Bahrain.

Findings

Posterior malleolus involvement with specific fragment sizes correlates with worse reduction outcomes.

Surgery within one day of admission leads to better reduction quality.

More malleoli involved and specialist surgeons are linked to poorer reductions.

Abstract

Introduction

Ankle fractures are commonly encountered fractures in emergency departments worldwide. These fractures often have significant articular involvement that requires anatomic surgical reduction and stabilization. Radiographs can be used in everyday practice to evaluate ankle fractures utilizing various parameters to assess reduction quality intraoperatively and postoperatively.

Several factors have been found to influence the reduction quality of fractures across body regions. This retrospective study aimed to evaluate the influence of several factors on the reduction quality of ankle fractures in a tertiary care center in the Kingdom of Bahrain.

Materials and methods

A total of 462 records were identified during the search, and 68 records were excluded. A total of 394 ankle fractures met the inclusion criteria for the study. Five orthopedic surgeons then evaluated the operative films in accordance with the Delphi consensus parameters for evaluating ankle fractures, and the reductions were graded as good, adequate, or poor.

Results

The study included 394 ankle fractures that met the inclusion criteria, and four significant associations were noted to affect the quality of reduction. Ankle fractures with posterior malleolus involvement (PMI) were significantly associated (p = 0.001) with fragments smaller than 15% and larger than 20% having decreased outcomes. The number of days from admission to operation was also significant (p = 0.009), with the best reductions observed between zero and one day from admission. Operating surgeon was also a significant factor (p = 0.038), with inferior reductions noted in specialist surgeons compared to trainees. The last significant association was the number of malleoli (p = 0.001), with an inferior reduction with a larger number of malleoli involved.

Conclusion

Ankle fractures are a common and significant orthopedic injury. Reduction quality is important for optimal outcomes after surgical stabilization. Various factors including the number of malleoli, the grade of the operating surgeon, and the time of surgery were significantly related to the quality reduction in this single-center study. Expedited surgical management of fractures that are amenable to early fixation, careful assessment, and meticulous technique in fixation of fractures with multiple fractured malleoli is indicated to reduce the chance of malreduction particularly in complex injuries. Further assessment of factors related to reduction quality with large-scale prospective studies would provide orthopedic surgeons with insights into the identification and optimal treatment of such fractures.