Comparison of Hip Resurfacing to Large Femoral Head Total Hip Arthroplasty

University of British Columbia56 enrolled

Overview

This study evaluates femoral head resurfacing versus a large femoral head (Durom®) total hip system. This is a prospective randomized trial.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Osteoarthritis Avascular Necrosis

Interventions

Hip replacementPROCEDURE

This study evaluates femoral head resurfacing versus a large femoral head (Durom®) total hip system. This is a prospective randomized trial.

Eligibility

Sex: ALLMin age: 19 YearsMax age: 65 Years

Medical Language ↔ Plain English

Inclusion Criteria: 1. Indication for hip resurfacing because of osteoarthritis or avascular necrosis 2. Aged 19 to 65 years old 3. Ability to give informed consent Exclusion Criteria: 1. Previous fracture requiring internal fixation of the hip 2. Previous hip osteotomy (pelvic or femoral) 3. Dysplasia requiring structural bone graft 4. Inability to respond to questionnaires in English (or French, Montreal centre only) 5. The presence of osteopenia or osteoporosis 6. Evidence of hepatic/renal insufficiency or failure from medical history or laboratory assessment

Locations (1)

Vancouver General Hospital

Vancouver, British Columbia, Canada

Outcomes

Primary Outcomes

To estimate the difference in postoperative quality of life between patients with Durom® hip resurfacing versus those with total hip arthroplasty (THA) using a large-head, metal-on-metal articulation

Time frame: at 2 years

Secondary Outcomes

To estimate the difference in concentrations of cobalt and chromium ions in serum

To estimate the difference in gait (pelvic tilt, forward velocity, and cadence)

Time frame: at 12 and 52 weeks

To estimate the lower limb functional instability by a test of postural balance

Data from ClinicalTrials.gov

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