Abstract
Purpose
To give a systematic overview of current diagnostic imaging options and surgical treatment for chronic subtalar joint instability.
Methods
A systematic literature search across the following sources was performed: PubMed, ScienceDirect, and SpringerLink. Twenty-three imaging studies and 19 outcome studies were included. The Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS 2) tool was used to assess the methodologic quality of the imaging articles, while the modified Coleman Score was used to assess the methodologic quality of the outcome studies.
Results
Conventional radiographs were most frequently used to assess chronic subtalar joint instability. Talar tilt, anterior talar translation, and subtalar tilt were the three most commonly used measurement methods. Surgery often included calcaneofibular ligament reconstruction.
Conclusion
Current imaging options do not reliably predict subtalar joint instability. Distinction between chronic lateral ankle instability and subtalar joint instability remains challenging. Recognition of subtalar joint instability as an identifiable and treatable cause of ankle pain requires vigilant clinical investigation.
Level of evidence
Systematic Review of Level III and Level IV Studies, Level IV.
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Funding
Nicola Krähenbühl is currently receiving a grant from the Swiss National Science Foundation (SNF; grant number P2BSP3_174979) and Swiss Orthopaedics.
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NK: literature search, data extraction, and manuscript writing. MWW: literature search, data extraction, and manuscript writing. NPD: drawing of figures and manuscript writing. MKM: providing clinical cases (X-rays/MRI) and manuscript writing. BH: manuscript writing. CLS: manuscript writing. AB: literature search, data extraction, and manuscript writing.
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Maxwell W. Weinberg, Nathan P. Davidson, Megan K. Mills, Beat Hintermann, Charles L. Saltzman, and Alexej Barg have no conflicts to declare.
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This article does not contain any studies with human participants or animal experiments performed by any of the authrors.
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Krähenbühl, N., Weinberg, M.W., Davidson, N.P. et al. Currently used imaging options cannot accurately predict subtalar joint instability. Knee Surg Sports Traumatol Arthrosc 27, 2818–2830 (2019). https://doi.org/10.1007/s00167-018-5232-8
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DOI: https://doi.org/10.1007/s00167-018-5232-8