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Rhizarthrosis Research Blog

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

Diagnosis & Imaging · March 20, 2026

Could a Hidden Wrist Fracture Be Causing Your Thumb Pain?

The short answer: A hidden trapezium fracture in the wrist can cause persistent thumb pain, and it is very rare (3 to…

Epidemiology & Risk Factors · March 19, 2026

Could Your Immune System Be Making Your Thumb Pain Worse?

The short answer: In 69 people studied, people with psoriatic arthritis had more activated CD8+ T cells that move into joints and…

Epidemiology & Risk Factors · March 18, 2026

Why Do So Many Women Get Thumb Pain During Menopause?

The short answer: During menopause, hand arthritis is common in women. It mainly affects the fingertips and the base of the thumb,…

Prostheses & Implant Outcomes · March 16, 2026

Can a Thumb Joint Replacement Really Last 10 Years?

The short answer: 89% of Rubis II thumb joint replacements were still working after 10 years, and most people had little or…

Prostheses & Implant Outcomes · March 15, 2026

Which Thumb Surgery Stops Your Thumb from Bending Backwards?

The short answer: The thumb implant is better at stopping backwards bending than removing bone, and it helps pinch strength, especially if…

Surgical Treatment · March 14, 2026

Can Thumb Surgery Cause My Thumb Knuckle to Bend Backwards?

The short answer: Removing the trapezium bone can make the thumb knuckle bend backward. Standard surgery may not fix this, but a…

Diagnosis & Imaging · March 12, 2026

Why Is It So Hard to Measure If Thumb Arthritis Treatment Is Working?

The short answer: The TASD is now translated into Brazilian Portuguese and shown to be reliable and ready to use. It has…

Rehabilitation & Functional Outcomes · March 10, 2026

Will My Thumb Arthritis Make My Wrist Fracture Worse?

The short answer: If you have thumb or wrist arthritis and you break your wrist, it does not seem to slow healing…

Conservative Treatment · March 9, 2026

Can a Single Injection Really Help My Thumb Arthritis Pain?

The short answer: A single injection can cut thumb arthritis pain by about 42% after three months. If you have thumb pain…

Prostheses & Implant Outcomes · March 8, 2026

Which Thumb Arthritis Surgery Works Better for Pain Relief?

The short answer: Ligament reconstruction gave better pain relief and daily use than the pyrolytic carbon implant. The study followed patients for…

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