Related Experiment Videos
Clinical development and current status: Europe.
Dieter Wirz1, A U Daniels, Beat Göpfert
1Laboratory for Orthopaedic Biomechanics, University of Basel, Felix Platter-Spital, Burgfelderstrasse 101, CH-4055 Basel, Switzerland. dieter.wirz@unibas.ch
The Orthopedic Clinics of North America
|November 16, 2004
Summary
The choice of bone cement significantly impacts total hip replacement outcomes, with variations in cement type affecting implant longevity. Understanding cement properties is crucial for successful cemented fixation in hip arthroplasty.
Area of Science:
- Orthopedic surgery
- Biomaterials science
- Medical device engineering
Background:
- Review of cemented fixation in total hip replacement (THR) in Europe.
- Highlights country-specific variations in cemented versus non-cemented implant fixation.
- Emphasizes the critical, yet often underestimated, role of bone cement selection in clinical success.
Observation:
- Laboratory studies investigated the influence of bone cement type on wear at the implant/cement interface.
- Microcalorimetry assessed the impact of acrylic starting material properties on cement stability.
- Key factors identified include low molecular weight and radiation sterilization of acrylic bone cement.
Findings:
- The specific type of acrylic bone cement used directly influences wear characteristics at the critical implant-cement interface.
- Properties of acrylic bone cement, such as molecular weight and sterilization method, affect its long-term physico-chemical stability.
- These material properties are correlated with clinical outcomes in cemented total hip replacement.
Implications:
- Clinical outcomes in total hip replacement are significantly influenced by the choice of bone cement.
- Further research into bone cement composition and manufacturing is warranted to optimize long-term implant performance.
- Standardization and improved understanding of bone cement properties could enhance patient results in hip arthroplasty.