Bohler's Angle: Correlation With Outcome in Displaced Intra-articular Calcaneal Fractures : Journal of Orthopaedic Trauma

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Bohler's Angle: Correlation With Outcome in Displaced Intra-articular Calcaneal Fractures

Loucks, Craig; Buckley, Richard

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Journal of Orthopaedic Trauma 13(8):p 554-558, November 1999.



Bohler's tuber joint angle is commonly assessed when evaluating calcaneal fractures. A severe heel fracture will result in a significant decrease or loss of this angle. The purpose of this study was to evaluate the correlation between Bohler's angle and functional outcome in displaced intra-articular calcaneal fractures.


Prospective cohort study.


Level I trauma center.


Ninety-five fractures in eighty-eight patients were analyzed for clinical outcome as measured by previously validated visual analogue scale (VAS) and SF-36 Health Survey scores. Radiographic results were measurements of Bohler's angle on plain x-rays. Angles were measured twice by two observers working independently.


This prospective randomized cohort study indicates that patients initially presenting with a severely depressed Bohler's angle have a poor two-year outcome regardless of treatment. As well, fractures of lesser initial displacement, as measured by Bohler's angle, had higher functional scores on both VAS and SF-36 scoring scales.


In this study, Bohler's angle had significant prognostic value in terms of predicting morbidity. Fractures with a markedly diminished Bohler's angle demonstrated a much poorer two-year outcome regardless of treatment. It would seem that the initial Bohler's angle was highly prognostic, regardless of treatment modality.

© 1999 Lippincott Williams & Wilkins, Inc.

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