The aim of this study is to assess the joint involvement (shoulder - ankle - knee - elbow - wrist) in patients with Ehlers-Danlos Syndrome and treated by surgery.

Inclusion Criteria:

• Patient over 18 years-old suffering from Ehlers-Danlos Syndrome and belonging to the EDS cohort of Raymond Poincaré Hospital in Garches
• Patient with joint involvement of the shoulder treated by surgery
• Patient with ankle joint damage treated by surgery
• Patient with joint damage to the knee treated by surgery
• Patient with elbow joint damage treated by surgery
• Patient with joint involvement of the wrist treated by surgery
• Patient affiliated or beneficiary of a social security scheme
• Patient who has been informed of the research and does not object to the use of his data.

Exclusion Criteria:

• Patient objecting to the use of their data

Patient over 18 years-old, suffering from Ehler-Danlos syndrome treated with surgery