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Metal-metal Articulations Versus Standard 28 mm Cementless Total Hip Arthroplasty

2014-08-27 03:14:05 | BioPortfolio

Summary

Younger hip patients often need revision of their hip replacement due to wear and loosening. Newer concepts (resurfacing and large head total hip replacement) with articulation surfaces in metal may reduce the wear, increase the longevity of the implant and give an improved function. The possible downside is that these concepts releases metal debris to the body. The investigators wish to see if the newer interventions are a clinical improvement compared to standard. The investigators also wish to investigate the extent of metal released to the body and any effect on the immune system. Finally the investigators wish to investigate the stability of these new implants and their ability to preserve the bone around the implant.

The investigators hypothesis is:

That the metal on metal articulations will not have better clinical outcomes than standard The resurfacing implant is expected to preserve the bone of the upper femoral bone. The implants are expected to be stabile within the first year.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Osteoarthritis, Hip

Intervention

articular surface replacement ASR, DePuy, ReCap/Magnum modular head, Biomet, Bimetric stem, mallory/head cup, 28 mm ceramic head, Biomet, 28 mm CrCo head, Trilogy CH cup, VerSys Fiber stem,Zimmer)

Location

Naestved Hospital Dept. of orthop. surg.
Naestved
Denmark
4700

Status

Active, not recruiting

Source

University of Southern Denmark

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:14:05-0400

Clinical Trials [1661 Associated Clinical Trials listed on BioPortfolio]

Data Collection on ReCap/Magnum in Total Hip Replacement and Resurfacing

This observational study intends to collect efficacy and safety data on ReCap/Magnum in Total Hip Replacement and Resurfacing.

Multi-Centre Study to Assess the Long-term Performance of the DePuy ASR™ System in Resurfacing and Primary Total Hip Replacement

The purpose of this study is to monitor the performance of a large metal-on-metal bearing from the DePuy ASR™ System in the treatment of patients with hip joint disease requiring hip res...

A Comparison of Two Total Hip Replacements: Hip Resurfacing System Versus Mallory-Head/Exeter

The purpose of this study is to compare two total hip replacement systems: Hip Resurfacing System (ReCap) versus Mallory-Head/Exeter.

An Electronic Data Capture Study to Assess the Long-term Performance of the DePuy PROXIMA™ Hip in Primary Total Hip Replacement

The purpose of this study is to monitor the performance of the DePuy PROXIMA™ hip in the treatment of patients with hip joint disease requiring a total hip replacement. Patients who ente...

A Clinical Investigation of the M2a-Magnum™ Hip System

The purpose of this prospective clinical data collection is to document the performance and clinical outcomes of the M2a-Magnum™ Hip System

PubMed Articles [9972 Associated PubMed Articles listed on BioPortfolio]

A Randomized Seven-Year Study on Performance of the Stemmed Metal M2a-Magnum and Ceramic C2a-Taper, and the Resurfacing ReCap Hip Implants.

The large-diameter metal-on-metal hip prostheses were expected to have low wear and reduced dislocation rate compared to the traditional metal-on-polyethylene implants. We compare 2 such prostheses, t...

Geometric analysis and clinical outcome of two cemented stems for primary total hip replacement with and without modular necks.

Restoration of the physiological biomechanical principles of the hip is crucial in total hip replacement. The aim of this study was to compare an arthroplasty system with different offset options (a: ...

Radial head replacement with a bipolar system: an average 10-year follow-up.

We report the long-term results of a cohort of patients after radial head replacement with a bipolar design and a smooth cementless stem at a mean follow-up of 10.4 years.

A Reverse Judet approach to the scapula.

Fractures of the scapular body that extend to involve the neck and glenoid articular surface with a large gap pose a significant problem for surgical exposure. Several surgical approaches for scapula ...

Effect of Femoral Stem Modular Neck's Material on Metal Ion Release.

In recent decades, the popularity of modular necks in total hip arthroplasty (THA) has increased since modular necks offer the potential to restore the patient's native anatomy, and thus improve stabi...

Medical and Biotech [MESH] Definitions

The hemispheric articular surface at the upper extremity of the thigh bone. (Stedman, 26th ed)

Measurements of joint flexibility (RANGE OF MOTION, ARTICULAR), usually by employing an angle-measuring device (arthrometer). Arthrometry is used to measure ligamentous laxity and stability. It is often used to evaluate the outcome of ANTERIOR CRUCIATE LIGAMENT replacement surgery.

The joint that is formed by the inferior articular and malleolar articular surfaces of the TIBIA; the malleolar articular surface of the FIBULA; and the medial malleolar, lateral malleolar, and superior surfaces of the TALUS.

Fractures of the articular surface of a bone.

The articulation between the articular surface of the PATELLA and the patellar surface of the FEMUR.

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