Bipolar Versus Unipolar Hemiarthroplasty for Patients With a Hip Fracture

Bipolar vs. Unipolar Hemiarthroplasty for Patients Aged 70 Years or Above, With a Dislocated Medial Femoral Neck Fracture

Insertion of a hemiarthroplasty is a well established treatment for a dislocated medial hip fracture in elderly patients. The purpose of this study is to compare unipolar and bipolar hemiarthroplasty as a treatment for patients aged 70 years or above with a dislocated medial femoral neck fracture. The study is prospective and randomised, and will be based on questionnaires, clinical examinations, registration of complications and radiographic evaluation at follow up at 3 months, 1 and 3 years postoperatively.

Inclusion Criteria:

• Patients ages 70 years or above
• Dislocated medial femoral neck fracture (garden type 3-4)
• Residence in the county of Northern Jutland, Denmark

Exclusion Criteria:

• Pathologic fracture
• Failed formerly internally fixed fracture of the affected hip
• Degenerative joint disease of the affected hip or rheumatoid arthritis
• Dementia
• Terminal neoplastic disease
• No informed consent