Evaluation of the Clinical and Radiological Outcome of Uncemented Femoral Stems According to Their Proximal Coating

Evaluation of the Clinical and Radiological Outcome of Uncemented Femoral Stems According to Their Proximal Coating.

Evaluation of the clinical and radiological outcome of uncemented femoral stems according to their proximal coating.

Retrospective study

On a large population of patients having undergone total hip arthroplasty, divided into two cohorts constituted according to the type of femoral stem implanted (with or without proximal coating by MectaGrip):

Primary objective: To compare between the two groups the radiological osseointegration of the stems five years after arthroplasty.

Secondary objectives: To compare between the groups

• The functional outcome of the arthroplasty
• The frequency of radiological abnormalities (stress shielding, osteolysis, periprosthetic fractures or cracks, periprosthetic ossifications)
• Frequency of complications

Inclusion Criteria:

• Patient aged 18 years or older, having been informed of the research
• A patient with at least five years of uncemented total hip replacement implanted as a first-line procedure
• A patient who has been regularly monitored since surgery and for whom all clinical and radiological data are available at the five-year follow-up visit

Exclusion Criteria:

• Patient operated for revision
• History of femoral fracture (pre or per operative)
• Chronic treatment likely to affect calcium metabolism and ossification
• Patient under legal protection, guardianship or curatorship
• A patient who has indicated his or her opposition to the use of his or her medical data (by completing and returning the non-opposition form that will be sent to him or her).