Medium-term Results of the LPS™ System for Segmental Resection of the Distal Femur, a Multicenter Retrospective Study (RESIF)
This study is investigating a specific type of knee replacement surgery for people with severe knee damage, where a large part of the thigh bone (femur) needs replacing. It focuses on a system called LPS™ (Limb Preservation System). Doctors want to find out how well this system performs over several years, how long it typically lasts, and why it might sometimes fail. Although this system is widely used in France, there hasn't been much research on its long-term success. By understanding these outcomes, the researchers hope to improve the design and use of the LPS™ system, ultimately benefiting patients who need this type of complex knee surgery.
At a glance
What is this study about?
Imagine you have a part of your thigh bone near your knee that's been badly damaged, perhaps due to injury or illness. Sometimes, this damage is so severe that doctors need to replace a large section of the bone and joint. This is a very big surgery, and doctors often use special implants, sometimes called 'megaprostheses,' to rebuild that part of your leg.
This particular study is looking back at the experiences of people who have had this type of surgery using a specific implant called the LPS™ system. The goal is to understand how well this system has worked for them over a medium period of time – not just immediately after surgery, but for several years afterwards. The researchers want to know how long the implant generally lasts before any problems occur, and what might lead to it needing further attention or revision.
Think of it like this: if you buy a new car, you want to know how reliable it is and how long it's expected to last. This study is doing something similar for the LPS™ implant. By gathering information from many patients, the doctors hope to identify any patterns of success or problems. This knowledge can then help improve the care for future patients who might need this important surgery, ensuring they receive the best possible outcomes.
Key takeaways
- This study evaluates existing results of a specific knee implant (LPS™).
- It aims to understand how long the implant lasts and reasons for any issues.
- The findings could help improve future complex knee surgeries.
- Participation involves reviewing past medical records only.
- No new appointments or treatments are required for participants.
Who may be eligible?
This study is looking at people who have already had a specific type of knee replacement surgery. To be included, you must have had a replacement of the lower part of your thigh bone (distal femur) using the **LPS™ system**.
You would not be included if doctors have lost touch with you and don't have records for at least three months after your surgery. Also, if your surgery involved replacing your entire thigh bone with the LPS™ system, or if it involved replacing part of your shin bone (tibia) with the LPS™ system at the same time, you would not be part of this particular study.
Could this study suit you?
Answer these quick questions to see if you may be eligible. This is a guide only — the research team makes the final call.
- Did you have surgery to replace part of your thigh bone near your knee?
- Was it done using the LPS™ system?
- Are your medical records available for at least 3 months after that surgery?
- Did your surgery *not* involve replacing your whole thigh bone with LPS™?
- Did your surgery *not* involve replacing part of your shin bone with LPS™ at the same time?
What does participation involve?
This is a 'retrospective' study, which means it looks back at information from patients who have already had surgery. Therefore, you would not need to attend any extra visits, take any new medication, or have additional assessments. Your participation would involve allowing researchers to look at your existing medical records from your past surgery and follow-up appointments. There is no additional time commitment required from you.
Potential risks and benefits
Locations (1)
- Chu BrestVerified postcodeBrest, France
Common questions
What is the LPS™ system?
It's a specific type of implant, also known as a 'megaprosthesis,' used by surgeons to replace a large part of the thigh bone near the knee when it's been severely damaged.
Why are doctors doing this study?
They want to understand how well the LPS™ implant works over several years and what might cause it to have problems, so they can improve care for future patients.
Do I need to do anything if I take part?
No, because this study looks at your past medical records, you don't need to attend any extra appointments or receive any new treatments.
Will my privacy be protected?
Yes, all your personal information would be kept confidential, and your data would be anonymized so you cannot be identified.
When will the results be available?
The study aims to look at 'medium-term' results, so findings would be reported after gathering and analysing several years of patient data.
How to find out more
Always speak to your GP or specialist before deciding to take part in a study.
Interested in taking part?
Discussion
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