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Rhizarthrosis Research Blog

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

Surgical Treatment · February 20, 2026

Thumb Joint Replacement vs Trapeziectomy: Which Surgery Is Right for You?

The short answer: Both trapeziectomy and thumb joint replacement work well, with 85-95% satisfaction. The choice depends on your age, activity, recovery…

Surgical Treatment · February 20, 2026

Trapeziectomy Recovery: Week-by-Week Timeline and What to Expect

The short answer: Trapeziectomy recovery takes months. Expect 3-6 months for daily tasks and up to 12 months for full grip strength.…

Conservative Treatment · February 20, 2026

Cortisone Injections for Thumb Arthritis: Benefits, Risks, and What to Expect

The short answer: About 70% of people get meaningful pain relief from cortisone injections for thumb arthritis, and the relief lasts about…

Conservative Treatment · February 20, 2026

Best Thumb Splints for Arthritis: What the Evidence Says

The short answer: Thumb splints can cut pain by about 30-50% and the right splint worn during aggravating activities helps most. What…

Diagnosis & Imaging · February 20, 2026

Rhizarthrosis vs De Quervain’s: How to Tell the Difference

The short answer: Rhizarthrosis and De Quervain’s are different conditions. A doctor uses the Grind Test for arthritis and the Finkelstein Test…

Diagnosis & Imaging · February 20, 2026

Thumb Pain at the Base: What It Means and When to See a Doctor

The short answer: Thumb base pain is common, affecting up to 33% of women and 11% of men over age 50. If…

Conservative Treatment · February 20, 2026

Why Does the Base of My Thumb Hurt So Much?

The short answer: The pain at the base of the thumb is usually from rhizarthrosis, a common thumb arthritis after menopause, usually…

Prostheses & Implant Outcomes · February 19, 2026

Can Better Surgery Keep Your Thumb Replacement Working Longer?

The short answer: How your surgeon places the trapeziometacarpal prosthesis matters a lot for how long it lasts. If you have thumb…

Surgical Treatment · February 17, 2026

Are Two Surgery Types for Thumb Arthritis Really the Same?

The short answer: In a study of 19 patients, both surgeries for base thumb arthritis helped and had similar results for pain…

Prostheses & Implant Outcomes · February 16, 2026

Can a Thumb Implant Really Last for Years?

The short answer: 88% of MAIA thumb implants were still working after 12 years. If you have pain at the base of…

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