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Rhizarthrosis Research Blog

Plain-language summaries of published research on thumb base arthritis: diagnosis, splints, injections, surgery, implants, and recovery.

Prostheses & Implant Outcomes · April 28, 2026

Can a New Implant Fix Thumb Pain When Other Surgeries Have Failed?

The short answer: A new thumb implant may help after surgeries fail. In this study, 11 patients (13 thumbs) were treated and…

Diagnosis & Imaging · April 26, 2026

Can a Rat Bite Really Cause Joint Pain and Swelling?

The short answer: A rat bite fever infection can cause joint swelling, and with proper tests doctors find the germ in about…

Conservative Treatment · April 25, 2026

Could a Low Dose of Cannabis Help Your Chronic Pain?

The short answer: A very small dose of medical cannabis (100 mg per day) reduced pain from 8 to 4 after six…

Epidemiology & Risk Factors · April 24, 2026

Why Does My Thumb Hurt? Understanding Rhizarthrosis and Thumb Arthritis

The short answer: Thumb base pain can be rhizarthrosis, a form of thumb arthritis. About 6.2% of people have symptomatic hand osteoarthritis.…

Rehabilitation & Functional Outcomes · April 23, 2026

Can Imagining Hand Movements Help Your Thumb Heal Faster After Surgery?

The short answer: Imagining hand movements can help your thumb heal faster and hurt less after surgery. In this study, people who…

Rehabilitation & Functional Outcomes · April 21, 2026

Can Scientists Track Walking Speed to Help Understand Movement Problems?

The short answer: A phone can measure how fast you walk, and this could help you track your health at home. In…

Conservative Treatment · April 20, 2026

Could a Simple Nerve Treatment Stop Your Thumb Pain Without Surgery?

The short answer: In one case, pulsed radiofrequency reduced thumb pain from 8/10 to 0 immediately, but more studies are needed to…

Rehabilitation & Functional Outcomes · April 19, 2026

Can Rehab Really Help My Thumb Arthritis After Surgery?

The short answer: Rehab after thumb arthritis surgery helps you heal. Doing rehab improves pain and movement, and after six months both…

Conservative Treatment · April 17, 2026

Which Injection Works Better for Thumb Arthritis Pain?

The short answer: Two injections help thumb arthritis pain. Steroid works in 2 to 3 weeks and hyaluronic acid lasts longer, with…

Prostheses & Implant Outcomes · April 16, 2026

Could a New Thumb Implant End Your Pain and Help You Use Your Hands Again?

The short answer: Most people do well with the Touch dual-mobility thumb implant for at least two years, with 96% still working…

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