Bipolar Versus Unipolar Hemiarthroplasty for Patients With a Hip Fracture

Northern Orthopaedic Division, Denmark

Status: Withdrawn

Conditions: Femoral Neck Fractures

Treatments: Procedure: bipolar hemiarthroplasty; Procedure: Unipolar Hemiarthroplasty of the hip joint

Study type: Interventional

Funder types: Other

Identifiers

NCT00317837

ON-04-005-LAM

Details and patient eligibility

About

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.

Sex: All

Ages: 70+ years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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0 participants in 2 patient groups

1

Active Comparator group

Description:

Patients treated with a cemented modular hemiarthroplasty, with a unipolar head

Treatment:

Procedure: Unipolar Hemiarthroplasty of the hip joint

2

Active Comparator group

Description:

Patients treated with a modular cemented hemiarthroplasty with a bipolar head.

Treatment:

Procedure: bipolar hemiarthroplasty