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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 · November 2, 2025

Could a new implant end your thumb pain from arthritis?

The short answer: The Pyrocardan implant reduced pain and improved thumb movement in a study of 36 people with trapeziometacarpal arthritis. Thumb…

Conservative Treatment · November 2, 2025

Is there a simple way to ease thumb pain from arthritis?

The short answer: One injection of Durolane may reduce thumb arthritis pain by nearly 28% over six months, with relief starting as…

Prostheses & Implant Outcomes · November 2, 2025

Could a Thumb Joint Implant Relieve Your Pain?

The short answer: The touch prosthesis can greatly ease thumb pain and improve use for many people, with results lasting about 6.5…

Conservative Treatment · November 2, 2025

Could Low-Dose Radiotherapy Be the Answer to Your Thumb Pain?

The short answer: LD-EBRT may help thumb pain from rhizarthrosis, with 57% reporting pain relief at 12 months and 18% reporting no…

Epidemiology & Risk Factors · November 2, 2025

Does your job cause thumb or finger pain?

The short answer: Jobs that use your hands a lot can raise your risk of thumb or finger arthritis, and typing can…

Surgical Treatment · November 2, 2025

What Is TIE-IN Thumb Surgery and Can It Help Your Pain?

The short answer: The TIE-IN implant reduced resting pain from 5.8 out of 10 before surgery to just 0.8 out of 10…

Anatomy & Biomechanics · November 2, 2025

Why does thumb arthritis cause pain & deformity?

The short answer: Thumb arthritis hurts and can cause the thumb to bend in odd ways. The flexor pollicis brevis muscle becomes…

Surgical Treatment · November 2, 2025

Could a Pyrocarbon Spacer Solve Your Rhizarthrosis Thumb Pain?

The short answer: A trapeziectomy with a pyrocarbon spacer helped a 46-year-old tennis player four years after her surgery, with no pain…

Prostheses & Implant Outcomes · November 2, 2025

Could a thumb joint prosthesis ease your rhizarthrosis pain?

The short answer: The Rubis II thumb prosthesis can reduce pain and help grip. In studies, 89% lasted 10 years, 70% had…

Prostheses & Implant Outcomes · November 2, 2025

Which Is Better for Rhizarthrosis—Pyrolytic Carbon Prostheses or Ligament Reconstruction?

The short answer: Ligament reconstruction may reduce pain and improve function more than a pyrolytic carbon prosthesis. In this study, Quick-Dash scores…

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