"Multicentric, Open Label With Retrospective Inclusion and Follow-up of Acetabular Prothetic Implant Polymax"

"Early complications of interest are :~* New arthroplasty for any reason~* Related to the implant :~ * Wrong position of the implant~ * Early displacement of the implant~* Related to the intervention :~ * Hematoma~ * Dislocation (or not causing the resumption of joint replacement)~ * Deep vein thrombosis~ * Pulmonary embolism~ * Acute Infection"

"Late complications taken into account are:~* New arthroplasty for any reason~* Aseptic loosening~* Delayed hypersensitivity reaction type IV~* Solid Tumors~* Recurrent dislocation (causing or not the resumption of joint replacement)~* Allergic reactions of any kind~* Chronic infection"

Patient satisfaction evaluated by Womac reduced Score

Efficacity as evaluated by Harris HIP score

Bone reaction visible in radiography