CompletedNot Applicable

A Comparison of Two Different Surgical Techniques in Hip Resurfacing Arthroplasty

Denmark49 participantsStarted 2008-11-01

Plain-language summary

The purpose of the study is to compare two different surgical techniques in hip resurfacing arthroplasty (RHA), comparing bloodflow and metabolism in the femoral head, as well as implant migration, periprosthetic bone mineral density, gait function and patient recovery.

Who can participate

Age range30 Years – 60 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Primary hip OA; * Secondary hip OA due to mild and moderate acetabular dysplasia; * Sufficient bone quality for cementless acetabular component; * Suited for resurfacing of the femoral head, pre and intraoperatively assessed; * Age 30 to 60 years. Exclusion Criteria: * Neuromuscular or vascular diseases in affected leg; * Patients found intra-operatively to be unsuited for a cementless acetabular component or cementing of the femoral component; * Need of NSAID postoperatively; * Fracture sequelae; * Females at risk of pregnancy, no safe contraceptives; * Severe hip dysplasia; * Sequelae from hip disease in childhood; * Medicine with large effect on bone density, K vitamin antagonists, loop-diuretics; * Alcoholism, females over 14 units per week, males over 21 units per week; AVN; * Osteoporosis.

What they're measuring

femoral head blood flow, evaluated by Laser Doppler Flowmetry

Timeframe: during surgery

femoral head metabolism, evaluated by microdialysis

Timeframe: 3 days

Trial details

NCT IDNCT00913679

SponsorUniversity of Aarhus

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2017-02-20

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