If you have thumb pain from arthritis, you may have heard about thumb joint replacement surgery. This article looks at a study that followed 80 thumb replacements for at least 10 years. The research helps us understand how well these replacements work over time and what problems can happen.
Here are three important things from this study:
- About 85 out of 100 thumb replacements lasted 10 years without needing a second surgery.
- Many problems happened early, especially when surgeons were still learning how to do the operation.
- Most people who kept their replacement felt happy and had no pain after 10 years.
Key Findings at a Glance
- Research shows that 85% of Arpe thumb joint replacements survived at 10 years
- Eight replacements needed a second surgery during the first year after the operation
- After surgeons completed 30 cases, early failures decreased markedly
- At follow-up, 23 out of 32 thumbs were totally free of pain
- Survival rate declined to 80% at 15 years and continued to drop after that
What Is Thumb Arthritis?
Thumb arthritis is a condition where the joint at the base of your thumb wears down. The joint connects two bones. One bone is in your wrist and is called the trapezium. The other bone is in your thumb and is called the metacarpal. When these bones rub together without enough cushioning, it causes pain.
When the cartilage is gone, moving your thumb hurts. You might find it hard to open jars, turn keys, or hold things. Some people choose surgery when other treatments do not help enough.
What Did This Study Look At?
According to this study, researchers followed 63 patients who had a special type of thumb joint replacement called the Arpe prosthesis. A prosthesis is an artificial part that replaces a damaged body part. These patients had a total of 80 thumbs replaced because some people had surgery on both thumbs.
The doctors wanted to see how well these replacements worked after at least 10 years. They looked back at medical records to find out what happened to each patient. This is called a retrospective study.
You may be wondering why this matters. Long term studies help us understand if a treatment keeps working many years later or if problems develop over time.
How Many Thumb Replacements Lasted?
Research shows that the calculated survival rate was 85% at 10 years. This means that 85 out of every 100 replacements were still working after 10 years without needing another surgery.
Here is where it gets interesting. The survival rate dropped to 80% at 15 years. After 15 years, the survival rate continued to decline. This tells us that more replacements may fail as time goes on.
| Time After Surgery | Survival Rate |
|---|---|
| 10 years | 85% |
| 15 years | 80% |
| After 15 years | Continued decline |
There is one important thing to mention. The doctors lost contact with 27 prostheses in 20 patients. This means they did not know what happened to those replacements. The actual survival rate could be lower if some of those lost patients had problems.
What Problems Happened?
According to this study, 21 replacements needed a second surgery. A second surgery to fix or remove an implant is called a revision. Eight of these revisions happened during the first year after the original operation. That is quite early.
The study found that many complications were due to technical errors. A technical error means the surgeon made a mistake during the operation. This could be placing the implant in the wrong position or other problems with the surgical technique.
Did the Problems Get Better Over Time?
Let us look closer. The doctors noticed something important. After they had done 30 cases, the number of early revisions decreased markedly. Markedly means a lot or clearly noticeable.
This tells us something important about this surgery. It was difficult to master. The surgeons needed practice to get good at putting in this particular type of replacement. The first 30 operations were a learning period.
Were Patients Happy With Their Results?
The doctors were able to check on 32 thumbs at the long term follow up visit. Out of these 32 thumbs, 23 were totally free of pain. That is about 7 out of every 10 thumbs.
The patients were satisfied with 31 out of 32 thumbs. This means almost everyone who still had their replacement working felt happy with it. Even if they had a little bit of pain, they were still glad they had the surgery.
This is encouraging news. When the replacement stays in place and works properly, most people feel better and are satisfied with their choice.
What Did the Doctors Learn?
The doctors who did this study shared some honest advice. They said that implant survival declines progressively in the long run. Progressively means it gets worse bit by bit over time.
They also learned that this surgery was difficult to master. Even experienced hand surgeons had a learning curve. A learning curve means it takes time and practice to become good at something.
Based on these findings, the doctors advise selecting this implant for thumb trapeziometacarpal osteoarthritis with caution. Caution means being very careful and thinking hard before choosing this option. This is honest advice from doctors who want the best for their patients.
What About Other Options?
This study does not talk about other treatments. But the fact that doctors say to use caution means you should talk with your doctor about all your choices. There may be other surgeries or non surgical treatments that work better for some people.
About This Site: We simplify medical science about thumb pain and rhizarthrosis for people like you. Every article on this site uses only published scientific research. We read the studies so you can understand what doctors have learned. We invite you to explore more articles to learn about your treatment options and what research shows about thumb arthritis.
Frequently Asked Questions
How long does a thumb joint replacement last?
According to this study, 85% of Arpe thumb joint replacements lasted 10 years without needing another surgery. At 15 years, the survival rate was 80%, and it continued to decline after that. The actual time a replacement lasts varies from person to person.
Is thumb joint replacement surgery difficult?
Research shows that this particular type of thumb replacement was difficult to master. Surgeons had more complications during their first 30 cases. After that, early failures decreased markedly. This tells us that surgical skill and experience matter for good results.
Will I be pain free after thumb joint replacement?
Studies indicate that 23 out of 32 patients in this research were totally free of pain at long term follow up. Most patients were satisfied with their results even if they had some minor discomfort. Results vary from person to person.
What happens if a thumb replacement fails?
According to medical evidence, 21 replacements in this study needed a second surgery called a revision. Eight of these happened in the first year. Your doctor can explain what options are available if a replacement does not work.
What This Means for You
If you are thinking about thumb joint replacement, this study gives you important information. The Arpe prosthesis worked well for many people, especially after 10 years. Most patients who kept their replacement were happy and pain free.
But there are also some concerns. The survival rate goes down over time. Some replacements failed early, especially when surgeons were still learning the technique. The doctors themselves say to choose this option with caution.
What should you do next? Talk with your doctor about all your options. Ask how many of these surgeries your doctor has done. Find out what other treatments might help your thumb pain. Every person is different, and the best choice depends on your specific situation.
You deserve to make an informed choice. Understanding the research helps you have better conversations with your medical team.
Important Disclaimer
This article shares information from published medical research. It is not medical advice. It does not replace talking with your doctor. Every person’s health situation is unique. Only your doctor can recommend the right treatment for you after examining your thumb and understanding your health history. Always consult with a qualified healthcare professional before making decisions about surgery or treatment.
Research Source
Study Citation: Dumartinet-Gibaud, R.; Bigorre, N.; Raimbeau, G.; Jeudy, J.; Saint Cast, Y. (2020). Arpe total joint arthroplasty for trapeziometacarpal osteoarthritis: 80 thumbs in 63 patients with a minimum of 10 years follow-up. Journal of Hand Surgery (European Volume).
Read the full study:
https://doi.org/10.1177/1753193420909198
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