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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 · 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…

Prostheses & Implant Outcomes · November 2, 2025

Is Rhizarthrosis Making Thumb Pain Unbearable? What You Need to Know About Joint Replacements

The short answer: Thumb joint replacements can help, but there is a high failure risk, 50% failure or more in some studies.…

Surgical Treatment · November 2, 2025

Could A Mini TightRope Help Your Thumb Pain from Rhizarthrosis?

The short answer: The Mini TightRope after trapezectomy helped many thumbs, with 74.2% reporting good or very good results. Some people had…

Surgical Treatment · November 2, 2025

What are the best surgical options for rhizarthrosis?

The short answer: In this 2024 study of 52 patients, both procedures helped advanced thumb arthritis. Altissimi had higher satisfaction, better movement,…

Surgical Treatment · November 2, 2025

Is First Carpometacarpal Arthroplasty the Answer to Thumb Pain from Rhizarthrosis?

The short answer: It can ease thumb pain and improve movement. In the study, implants survived 97% at 1 Year and 86%…

Prostheses & Implant Outcomes · November 2, 2025

Are trapeziometacarpal prostheses the solution to your thumb pain?

The short answer: TMPs can help thumb arthritis, but they have risks. Long-term success depends on choosing the right model and placing…

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