Iranian Journal of Medical Sciences
Iranian Journal of Medical Sciences

Designing a Prognostic Scoring System for Predicting the Outcomes of Proximal Fifth Metatarsal Fractures at 20 Weeks

Document Type : Original Article(s)

Authors

Mohammad Ali Tahririan 1
Amir Momeni 2
Amir Moayednia 3
Elham Yousefi 2

1 Department of Orthopaedic Surgery, Kashani University Hospital, Isfahan University of Medical Sciences, Isfahan, Iran

2 Department of Orthopaedic Surgery, Isfahan University of Medical Sciences, Isfahan, Iran

3 Department of Physical Medicine and Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract
Background: Fractures of the proximal fifth metatarsal bone are among the most common fractures observed in the foot and their classification and management has been subject to much discussion and disagreement. In this study, we aim to identify and quantify the effect of possible predictors of the outcome of the treatment of proximal fifth metatarsal fractures.Methods: Patients with established proximal fifth metatarsal fractures were enrolled in this prospective cohort and the outcome of their treatment was assessed using the AOFAS mid foot scale at 6 and 20 weeks.Results: 143 patients were included in the study. Our study showed that displacement, weight and type III fractures were significant independent predictors of poor outcome at 6 weeks while at 20 weeks in addition to these factors, gender and diabetes mellitus were also shown to be significant independent predictors of poor outcome. A scoring system was designed by assigning weight to these factors and it was shown to be a strong predictor of outcome at 20 weeks.Conclusion: We recommend that our scoring system would help surgeons to decide whether patients’ prognostic factors are significant enough for him/her to opt for a surgical approach to treatment rather than a conservative approach. 

Keywords

Metatarsal bone
Fracture
Prognosis
Iranian Journal of Medical Sciences
Volume 40, Issue 2 - Serial Number 2
24
March 2015
Pages 104-109

  • Received 05 August 2013
  • Revised 22 August 2020
  • Accepted 24 December 2018

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