Surgical Treatment

Which Surgery Works Better for Thumb Arthritis: Implant or Bone Removal?

January 10, 2026 7 min read
Which Surgery Works Better for Thumb Arthritis: Implant or Bone Removal?

If you have pain at the base of your thumb, you may have heard about different surgery options. Two common choices are removing a bone or using a silicone implant. But which one works better?

A study from 1991 looked at 19 people with arthritis at the base of the thumb. Doctors wanted to know if one type of surgery gave better results than the other. Here are three important things they found:

  • Both surgery types gave similar results for patients.
  • Twelve people had the implant surgery, and seven had the simple bone removal.
  • Neither surgery appeared to be better than the other.

Key Findings at a Glance

  • Research shows that 19 patients with thumb arthritis received one of two surgical treatments.
  • According to this study, 12 patients had a silicone implant surgery, while 7 had a simple trapezectomy (bone removal).
  • Studies indicate that both surgical methods produced similar outcomes for patients.
  • Medical evidence from this research suggests neither technique was superior to the other.
About This Site: We simplify medical science for people dealing with thumb pain and rhizarthrosis. Every article is based only on published scientific studies. You can explore more content to learn about your condition and treatment options in plain language.

What Is Rhizarthrosis?

Rhizarthrosis is a big word for arthritis at the base of your thumb. Arthritis means the cartilage in a joint wears away. Cartilage is like a soft cushion between your bones. When it wears down, bones rub together. This causes pain and makes it hard to move your thumb.

What is rhizarthrosis? It is arthritis that happens at the basal joint of the thumb. The basal joint is where your thumb connects to your wrist. This joint helps you pinch and grip things.

Many people with this condition feel pain when they open jars, turn keys, or write. The pain can make everyday tasks difficult. You may be wondering why this matters. Understanding your condition helps you make better choices about treatment.

What Did This Study Compare?

Doctors in Belgium studied 19 patients with arthritis at the base of the thumb. They wanted to compare two different surgeries. One surgery used a silicone implant. The other surgery simply removed a bone.

Here is where it gets interesting. The doctors divided the patients into two groups:

  • Twelve patients had the Swanson technique with a silicone implant.
  • Seven patients had a simple trapezectomy, which means removing a bone.

Both surgeries are done to reduce pain and improve hand function. But which one works best? Let us look closer at each technique.

What Is Trapezectomy?

A trapezectomy is a surgery where the doctor removes a small bone in your wrist. This bone is called the trapezium. It sits right at the base of your thumb.

What is trapezectomy? It is a surgery that removes the trapezium bone from your wrist. After removing this bone, your thumb can move without bone rubbing on bone. This often reduces pain.

When the trapezium is gone, the bones near your thumb have more space. This means less friction and less pain. Your body fills the space with scar tissue over time. Many patients feel better after this surgery. The procedure is sometimes called a simple trapezectomy because it does not use any implants or replacements.

What Is the Swanson Technique?

The Swanson technique is another type of surgery for thumb arthritis. In this method, the doctor removes the trapezium bone just like in a trapezectomy. But then the doctor puts a silicone implant in the space where the bone was.

What is a silicone implant? It is a small piece of medical grade silicone shaped like a joint. Doctors place it where the bone used to be. The implant acts like a cushion and helps keep the bones spaced apart.

According to this study, the implant is meant to keep the thumb stable. It also helps maintain the space between bones. Some doctors believe that implants give better long term results. Others think the simple bone removal works just as well. This study set out to find the answer.

What Results Did Doctors Find?

Research shows that both groups of patients had similar results. The twelve patients with the silicone implant did about as well as the seven patients with simple trapezectomy. Neither surgery appeared to give better outcomes than the other.

Here is a simple comparison:

Surgery Type Number of Patients Results
Swanson (Silicone Implant) 12 Similar to trapezectomy
Simple Trapezectomy 7 Similar to Swanson

This finding is important. It means that the simpler surgery may work just as well as the more complex one with an implant. You may be wondering why this matters. If both surgeries give similar results, you and your doctor can choose based on other factors like cost, recovery time, or personal preference.

Why Does This Matter for You?

If you are facing surgery for thumb arthritis, this information can help you. You now know that studies indicate both options can give similar outcomes. This may make your decision easier.

Here are some things to think about:

  • Simple trapezectomy may have a shorter surgery time.
  • The implant surgery may feel more complex but offers the same results.
  • Both surgeries aim to reduce pain and improve function.

Talk with your doctor about which option fits your situation best. Your doctor can explain the risks and benefits of each surgery. Every person is different. What works for one person may not be the best choice for another.

Frequently Asked Questions

What is the difference between trapezectomy and the Swanson technique?

A trapezectomy removes the trapezium bone at the base of the thumb. The Swanson technique also removes this bone but then places a silicone implant in the space. According to this study, both methods gave similar results for patients with thumb arthritis.

Does one surgery work better than the other?

Research shows that in this study, both surgeries produced similar outcomes. Neither the silicone implant method nor the simple bone removal appeared to be better than the other.

How many patients were in this study?

Studies indicate that 19 patients with arthritis at the base of the thumb were included. Twelve had the implant surgery, and seven had the simple trapezectomy.

Should I choose trapezectomy or an implant for my thumb arthritis?

Medical evidence from this research suggests both options can work well. Talk with your doctor about your specific situation. Your doctor can help you choose based on your needs, health, and preferences.

Conclusion

If you are struggling with thumb pain from rhizarthrosis, you have options. This study from 1991 looked at two common surgeries. One used a silicone implant. The other simply removed a bone. According to this study, both gave similar results.

This is good news. It means you can work with your doctor to find the surgery that fits you best. Neither option is clearly better than the other based on this research. Take your time. Ask questions. Learn about your choices.

Remember, every person is unique. What worked for the patients in this study may work differently for you. Your doctor can guide you through the decision. You deserve to feel better and use your hands without pain.

Disclaimer

This article is for informational purposes only. It is not medical advice. Always talk with your doctor or healthcare provider before making decisions about surgery or treatment. Only a qualified medical professional can give you advice based on your specific condition and health history.

Article Citation

This article is based on research by Coessens, B., Desmet, L., Moermans, J. P., Kinnen, L., and Van Wetter, P., published in 1991 in Acta Orthopaedica Belgica.

Read the original study here:
https://www.ncbi.nlm.nih.gov/pubmed/1950509

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If surgery is on the table, explore implant types, survival rates, and what to realistically expect.

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Medical Disclaimer: This resource is patient-authored and based on peer-reviewed research. It is not a substitute for professional medical advice. Always consult your healthcare provider before making any treatment decisions.
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