Improving the bearing surface in total hip replacement (THR): the use of oxidised zirconium and highly cross-linked polyethylene

Completed

• Conditions: Arthritis of the hip; Musculoskeletal Diseases; Coxarthrosis

• Registration Number: ISRCTN48522433
• Lead Sponsor: niversity College London Hospitals NHS Trust (UK)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2005-04-14
• Last Update Posted: 17 October 2016

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 200

Inclusion Criteria

1. The patient and surgeon agree that primary THR is necessary
2. The patient is 18 years of age or older (either sex) on the day of signing the Study Consent Form
3. The patient is capable of participating in the study:
3.1. Fluent in English, or has a capable proxy
3.2. Mentally intact
3.3. Emotionally stable
3.4. A permanent resident in an area accessible to the study site

Exclusion Criteria

1. Current medical conditions such as:
1.1. Metastatic or primary tumor of the hip
1.2. Implantation into a previously resected hip (i.e. conversion to THR)
1.3. Neurologic deficit impairing the affected limb
2. History of medical conditions such as:
2.1. Septic arthritis in the affected hip
2.2. Reflex sympathetic dystrophy of the affected leg
2.3. Progressive muscular condition causing deterioration of the abductor muscles
2.4. Hip pain associated with back pathology such as spinal stenosis or vascular occlusion

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Radiographic wear; measuring linear & volumetric wear based on standardised AP & lateral radiographs of the pelvis then analysed with an automated edge detection technique

Secondary Outcome Measures

Name	Time	Method
ot provided at time of registration