Carpometacarpal (CMC) joint arthroplasty is a surgery to treat severe arthritis in the thumb. Doctors recommend it when other treatments, like braces or cortisone shots, no longer help with pain.

Use of a Comfort Cool Neoprene thumb spica brace is often useful in decreasing the pain of CMC joint arthritis when it is mild to moderate. Patient’s with severe CMC joint arthritis however ...