Does joint fusion surgery treat thumb arthritis?

Thumb arthritis can affect different joints. Fusion is most relevant when one joint is painful or unstable and joining its bones would create a stronger, quieter link. The fused joint loses its movement, so the choice depends on whether the problem is near the thumb base, in the thumb hinge, or elsewhere. A surgeon considers pinch strength, grip demands, alignment, nearby joint health, and whether a motion-preserving option would serve you better.

Record which actions provoke symptoms, such as turning a key, lifting a cup, or opening a lid. A hand assessment and imaging can identify the painful joint. Discuss splinting, activity changes, injections if relevant, therapy, surgical fixation, and the period when the thumb will need protection. Learn more about [Joint Fusion Surgery](/treatments/reconstructive-orthopedic-surgery/joint-fusion-surgery/) before your consultation.

Seek prompt assessment for sudden severe swelling, a hot red thumb, a new injury with deformity, or inability to use the hand. After surgery, call the treating team about wound drainage, spreading redness, a cold or discoloured thumb, new tingling, or escalating pain.

Ask which thumb joint is causing the pain, how much pinch and grip should return, what movement fusion will remove, how long a splint may be needed, and whether therapy will be part of recovery.