Which Thumb Arthritis Surgery Works Better for Pain Relief?

If you have thumb arthritis, also called rhizarthrosis, you know how painful and frustrating it can be. Every time you try to grip something or turn a key, your thumb reminds you it hurts. You may have heard about different surgeries that can help. But which one works best?

This article shares important findings from a research study that compared two common surgeries for thumb arthritis. The study looked at a newer type of implant made from a special material called pyrolytic carbon. Doctors compared it to an older surgery that removes damaged tissue and rebuilds the thumb joint using ligaments.

Here are three key points you will learn:

• How much pain people had after each type of surgery
• How well people could use their thumbs in daily life after surgery
• Which surgery had better results after a few years

What is rhizarthrosis and why does it hurt?

Many people get this condition as they get older. It makes simple tasks like opening jars, turning doorknobs, or holding a pen very painful. When other treatments do not help enough, surgery may be an option.

You may be wondering why this matters.

Because choosing the right surgery can make a big difference in how much pain you feel and how well you can use your thumb afterward.

What are the two surgeries this study looked at?

Doctors have different ways to fix thumb arthritis. This study compared two specific surgeries.

Surgery number one: The pyrolytic carbon prosthesis

This surgery uses a small artificial joint made from a special carbon material. The material is called pyrolytic carbon. It is very strong and smooth. Doctors remove the damaged joint and put this artificial piece in its place. The idea is that this implant, also called PyroDisk, will act like your natural joint.

Surgery number two: Ligament reconstruction

This surgery is older and has been used for many years. The doctor removes the damaged bone and tissue. Then they use a ligament, which is a strong band of tissue that connects bones, to rebuild and support your thumb joint. This type of surgery is sometimes called resection, suspension, and reconstruction arthroplasty. That is a big name, but it just means removing bad tissue, holding things in place, and rebuilding the joint area.

Here is where it gets interesting.

The newer implant was supposed to be a better option. But does it really work better? This study set out to find the answer.

How did the study work?

According to this study, researchers looked at 32 patients who had thumb arthritis surgery between 2009 and 2013. All patients were between 40 and 65 years old. The researchers split them into two equal groups. Each group had 16 patients.

• Group 1 received the pyrolytic carbon implant (PyroDisk)
• Group 2 had the ligament reconstruction surgery

The researchers checked on these patients in 2015. That means they followed them for an average of 35 months, which is almost three years. The shortest follow up was 23 months and the longest was 47 months.

What did the researchers measure? They looked at three important things:

• How much pain people felt
• How well people could do everyday tasks with their thumbs
• How much the thumb could move

To measure how well people could use their thumbs in daily life, they used something called the QuickDash questionnaire. This is a set of questions that asks people how hard it is to do things like write, open jars, or carry bags. The score goes from 0 to 100. Lower numbers mean better function. Higher numbers mean more difficulty.

The researchers also took X-rays and CT scans. A CT scan is a special type of picture that shows bones and joints in detail.

Which surgery gave better pain relief?

Research shows that patients who received the pyrolytic carbon implant had more pain at the end of the study period. The difference was very clear. In fact, the study found this difference was statistically significant, which means it was not just by chance.

Let us look closer.

The patients with the ligament reconstruction surgery reported less pain. This was an important finding because pain relief is often the main reason people choose surgery.

Which surgery helped people use their thumbs better?

According to the QuickDash questionnaire results, patients who had ligament reconstruction surgery could use their thumbs much better in daily life.

Remember, lower scores are better. A score of 15.81 means much better function than a score of 31.14. This difference was also statistically significant.

What does this mean in real life? People with ligament reconstruction surgery found it easier to do everyday activities. Things like cooking, getting dressed, and working were less difficult for them.

Did one surgery give better thumb movement?

Studies indicate that both surgeries gave similar results when it came to how much the thumb could move. The researchers measured the range of motion, which means how far the thumb could bend and move in different directions. At the end of the follow up period, there was no significant difference between the two groups.

This finding tells us that both surgeries preserve thumb movement about equally well.

What problems happened with each surgery?

This is a very important part of the study. According to the research, 6 patients out of 16 in the pyrolytic carbon implant group needed to have their implant removed. That is more than one third of the patients in that group.

When a prosthesis, which is an artificial body part, needs to be removed, it means the surgery did not work as hoped. Patients then often need another surgery to fix the problem.

The study does not tell us exactly why these implants needed to be removed. But the high number of removals is a serious concern.

You may be wondering why this matters.

Because having to go through a second surgery is hard on patients. It means more pain, more recovery time, and more medical costs.

Frequently Asked Questions

What does this mean for you?

If you are thinking about surgery for your thumb arthritis, this research gives you important information. Studies indicate that the older ligament reconstruction surgery worked better than the newer pyrolytic carbon implant.

Patients with ligament reconstruction had:

• Less pain after surgery
• Better ability to use their thumbs in daily life
• Fewer problems that required more surgery

The pyrolytic carbon implant was introduced as a newer alternative. But according to this study, it did not live up to its promise. Many patients had ongoing pain and difficulty. Some needed their implants removed.

What should you do next?

Talk with your doctor about these findings. Every person is different. Your doctor can look at your specific situation and help you choose the best treatment. Ask questions about the success rates of different surgeries. Ask about potential problems. Make sure you understand what to expect.

This research helps you have an informed conversation with your medical team.

Important Disclaimer

This article is for educational purposes only. It is not medical advice. Every person with thumb arthritis is different. The information here should not replace a conversation with your doctor or hand surgeon. Always talk with a qualified healthcare professional about your specific symptoms, diagnosis, and treatment options. Only your doctor can recommend the best treatment for your individual situation.

Source Article

This article is based on research published by Cuenca-Llavall, M., Lizano-Diez, X., Cruz-Sanchez, M., Cebamanos-Celma, J., and Pidemunt-Moli, G. in 2018.

https://doi.org/10.1016/j.recot.2018.01.002