Published results showed intra-articular injection provided significantly greater pain relief and functional improvement of thumb carpometacarpal joint arthritis at 3 months compared with extra-articular injection.
“A steroid injection given into the [carpometacarpal] CMC joint of the thumb will provide, on average, longer lasting relief than when it is given outside of the joint,” Brian M. Katt, MD, told Healio.
Katt and colleagues used wrist radiographs to visualize location of the CMC joint injection with triamcinolone and radiopaque contrast among 102 hands with thumb CMC joint