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Understanding CMC Joint Replacement

CMC joint replacement, or carpometacarpal arthroplasty, is a surgical procedure aimed at relieving pain and restoring function in the thumb's basal joint. This joint, where the thumb meets the wrist, is crucial for gripping and pinching. When arthritis damages this cartilage, replacement becomes a viable option for improved hand use.

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Understanding CMC Joint Replacement

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  1. Understanding CMC Joint Replacement Shoulder Elbow

  2. CMC joint replacement surgery, or carpometacarpal arthroplasty, is a surgical procedure aimed at relieving pain and restoring function in the thumb's basal joint. This joint, where the thumb meets the wrist, is crucial for gripping and pinching. When arthritis damages this cartilage, replacement becomes a viable option for improved hand use.

  3. Who Needs CMC Joint Replacement? • Individuals suffering from basal thumb arthritis, a common condition causing pain, stiffness, and limited mobility, may be candidates. If non-surgical treatments like medication and therapy fail to provide relief, a surgeon might recommend this procedure to enhance their quality of life and hand function. The Surgical Procedure • During the surgery, the damaged trapezium bone at the base of the thumb is typically removed. It is then replaced with an artificial implant, often made of metal or polyethylene, to create a new, smooth joint surface. This replacement aims to reduce pain and allow for smoother thumb movement.

  4. Benefits of Joint Replacement • CMC joint replacement surgery can offer several advantages. These include preserving the thumb's length and alignment, preventing wrist instability, and often leading to high patient satisfaction with improved pain relief and functional outcomes. Recovery and Rehabilitation • Post-surgery, a period of immobilization in a cast or splint is necessary, typically lasting several weeks. Physical therapy plays a vital role in regaining strength, range of motion, and dexterity in the thumb and hand, ensuring the success of the replacement.

  5. Potential Risks and Outcomes • CMC joint replacement carries potential risks such as infection, nerve injury, or implant issues. However, with careful surgical technique and adherence to rehabilitation protocols, most patients experience significant pain reduction and improved thumb function in the long term.

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