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This thesis examines the outcomes of various surgical treatments for people with severe wrist problems, often caused by injury or disease. The goal of these treatments was to reduce pain and restore motion and function of the wrist and forearm.

The first study followed six people who received two joint replacements in the same wrist. Some regained movement in one direction, while others lost some in another. Pain improved in most cases. Although not everyone could return to work, all patients said they were satisfied with the result.

In the second study, ten people received a piece of bone from the foot to repair damaged wrist surfaces. The bone healed well in every case, although some needed additional surgery. Most were able to return to their daily routines, though a few still had pain or physical limits.

The third study focused on a commonly used wrist implant in over 50 people. It helped reduce pain and improved movement in many, but problems after surgery were frequent, and many required further procedures. The best results were seen in people with less severe damage before surgery.

Other studies used advanced imaging to study how the implant affected movement. These showed that the implant changes how the bones move in the arm, which may explain some of the problems seen after surgery.

Together, the findings suggest that these surgical options can be helpful, but careful selection of patients and precise surgical technique are key to better results.