If you have pain at the base of your thumb, you might have heard the word rhizarthrosis. Rhizarthrosis is thumb arthritis, the joint at the base where your thumb meets your wrist (the carpometacarpal joint, or CMC joint for short). Many people have this painful problem. When rest and medicine stop helping, surgery may be an option.
This article looks at a new way to do thumb joint surgery. Instead of a big cut, doctors make a very small opening. They use special tools to fuse the bones together. This approach may help you heal faster and with less pain.
Here are three things you should know:
- Doctors have now tested a minimally invasive way to fuse the thumb joint.
- This technique uses tiny tools through a small opening in the skin.
- The study shows the method worked well in a real patient and in a practice model.
Key Findings at a Glance
- A new minimally invasive technique allows thumb joint fusion through a very small skin opening.
- The procedure uses special burrs, which are tiny drilling tools, from foot surgery sets.
- Researchers tested this approach on a 70 year old woman with rhizarthrosis and demonstrated it in a cadaver study.
- The technique offers an alternative to traditional open surgery, which requires larger incisions.
- There is currently no scientific proof that one surgical method is better than another for thumb arthritis.
What is rhizarthrosis and why does it hurt?
Many people have this condition. It is very common. You may feel pain when you pinch, grip, or twist things. Simple tasks like opening a jar or turning a key can become difficult.
You may be wondering why this matters. When conservative treatments like splints, medication, or injections stop working, you need other options. That is when surgery becomes a real choice.
How has thumb arthritis surgery been done until now?
According to this study, doctors have successfully used open arthrodesis to treat thumb arthritis. Arthrodesis means fusing two bones together so they cannot move. When the bones are joined, the painful rubbing stops.
This method has worked well for many patients. But it requires a bigger incision. A bigger cut may mean more pain during healing. It may also mean a longer recovery time.
Here is where it gets interesting. Several surgical techniques exist to treat thumb arthritis. But research shows that there is no scientific evidence proving one technique is better than the others. This means doctors are still looking for the best way to help you.
What is different about this new approach?
Researchers developed a minimally invasive technique. Minimally invasive means the surgery uses very small cuts instead of large ones. Smaller cuts often mean less pain and faster healing.
The doctors in this study believe that using special tiny tools can give good results. They use long and short Shannon burrs. They also use a tapered burr from a foot surgery instrument set.
Let us look closer. These tools were originally designed for foot surgery. But the researchers adapted them for thumb surgery. This creative use of existing tools shows how doctors find new solutions for old problems.
How does the minimally invasive technique work?
The study describes how the procedure was done. The researchers performed the technique on a seventy year old woman with rhizarthrosis. They also demonstrated the approach in a human cadaver. A cadaver is a donated body used for medical education and research.
During the surgery, the doctor makes a very small opening in the skin. Through this tiny opening, the surgeon inserts the special burrs. The burrs carefully remove the damaged cartilage and prepare the bone surfaces. Then the bones are positioned to grow together.
Research shows that this method allows the surgeon to do the same work as open surgery but through a much smaller space. The key is using the right tools and having a clear understanding of the anatomy. Anatomy means the structure and position of body parts.
Why use tools from foot surgery?
You might wonder why doctors use foot surgery tools for thumb surgery. The answer is simple. The bones in your foot and the bones in your thumb are similar in size. The tools designed for small foot bones work perfectly for the small bones at the base of your thumb.
The MIS foot instrument set includes tapered burrs. Tapered means the tool is wider at one end and narrower at the other. This shape helps the surgeon reach tight spaces and shape the bone precisely.
What does this mean for you?
If you suffer from thumb arthritis that does not respond to conservative treatment, you now have more options. According to this study, minimally invasive arthrodesis may offer you the benefits of joint fusion with potentially less trauma to your tissues.
Smaller incisions often mean:
- Less visible scarring
- Reduced pain after surgery
- Faster return to daily activities
- Lower risk of infection
But remember, this is still a new approach. The researchers presented one patient case and one cadaver demonstration. More studies with more patients will help doctors understand how well this technique works over time.
What should you do next?
Talk to your hand surgeon. Ask about all your options. Discuss whether minimally invasive arthrodesis might be right for you. Every person is different. Your surgeon will consider your age, activity level, bone quality, and overall health.
Do not be afraid to ask questions. A good doctor will take time to explain each option clearly. Your comfort and understanding matter.
About This Site
This website simplifies medical science for people with thumb pain and rhizarthrosis. We use only published scientific articles to bring you clear, accurate, and supportive information. We believe you deserve to understand your condition and your options. Explore more articles to learn about treatments, research, and hope for your thumb health.
Frequently Asked Questions
What is minimally invasive thumb surgery?
Minimally invasive thumb surgery uses very small cuts in your skin instead of large openings. Doctors use special tiny tools to work on the bones and joints. This approach may cause less pain and help you heal faster than traditional open surgery.
Is this new technique better than traditional thumb surgery?
According to this study, there is no scientific evidence yet that proves one technique is better than another for thumb arthritis. The minimally invasive approach shows promise, but more research with more patients is needed to compare results over time.
What does it mean to fuse the thumb joint?
Fusing the thumb joint means the surgeon joins two bones together so they cannot move. The doctor removes damaged cartilage and positions the bones to grow into one solid piece. This stops the painful rubbing but also removes motion at that joint.
Who is a good candidate for this surgery?
People with thumb arthritis who have tried conservative treatments without success may be candidates. Your surgeon will look at your specific condition, your bone quality, and your daily needs. Always talk to a hand specialist to see if this procedure is right for you.
Final Thoughts
Living with thumb pain is frustrating. Simple tasks become challenges. But research continues to bring new options. This study shows that doctors are working to make surgery less invasive and recovery easier.
The minimally invasive technique for thumb joint fusion is a promising development. It offers the benefits of arthrodesis through a smaller opening. While more research is needed, this approach may become an important tool for treating rhizarthrosis.
Stay informed. Stay hopeful. And most importantly, stay in conversation with your healthcare team. You deserve care that fits your life and your needs.
Disclaimer
This article is for informational purposes only. It is not medical advice. Always consult with a qualified healthcare professional before making any decisions about your health or treatment. Only your doctor can assess your individual situation and recommend the best course of action for you.
Study Citation
Research Source:
Mifsut-Miedes, D.; Rodriguez-Collell, J. R.; Valverde-Navarro, A.; Gonzalez-Soler, E. M. (2021). Percutaneous Trapeziometacarpal Arthrodesis in Thumb Carpometacarpal Joint Arthritis: A New Surgical Approach. Case Rep Orthop.
https://doi.org/10.1155/2021/6881168