Research Hypothesis: Lisfranc tarsometatarsal joint arthrodesis is a reliable surgical procedure, allowing the restoration of satisfactory function and a painless foot with an acceptable complication rate.

Objective of the study: To analyze the clinical and radiographic results in the medium term of arthrodesis of the Lisfranc tarsometatarsal joint in cases of primary osteoarthritis, post-traumatic osteoarthritis or in cases of inflammatory pathology.

Data collection by return to the patient record:

• Clinical score
• Analysis of imagery (X-rays, CT scan, )

The patients included were those who had undergone arthrodesis of the medial Lisfranc joint

Inclusion Criteria:

• All patients who underwent Lisfranc arthrodesis for primary post-traumatic osteoarthritis or inflammatory disease between January 2008 and December 2020 in
• Age > 18 ans

Exclusion Criteria:

• Follow-up < 6 months
• Lost to follow-up
• lack of data in the patient record.

All patients who underwent Lisfranc arthrodesis for primary post-traumatic osteoarthritis or inflammatory disease between January 2008 and December 2020 in the department of orthopeadic surgery of the CHU NANCY

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