S63.11

Clinical Causes: Trauma or direct blow to the thumb, such as during sports, falls, or accidents Sudden twisting or forceful movement of the thumb Falls onto an outstretched hand, especially with the thumb extended

Key Symptoms: Immediate pain in the thumb, often severe Swelling around the MCP joint Deformity or unnatural position of the thumb Limited or painful movement of the thumb Bruising or tenderness over the joint Difficulty gripping or performing normal thumb functions

Diagnosis Path: Diagnosis usually involves a physical examination where a healthcare provider assesses the thumb's appearance, stability, and range of motion. Imaging tests, such as X-rays, are essential to confirm the diagnosis, determine the extent of dislocation or subluxation, and rule out associated fractures. Proper imaging provides detailed visualization of the joint alignment and helps guide treatment planning.

Treatment Protocols: Treatment approaches depend on the severity of the dislocation or subluxation. Common interventions include: - **Reduction**: A healthcare professional may perform a manual realignment of the joint, often under local anesthesia or sedation. - **Immobilization**: After reduction, a splint or cast may be used to immobilize the thumb and allow healing. - **Pain management**: Use of ice, elevation, and over-the-counter pain relievers can alleviate discomfort. - **Rehabilitation exercises**: Once healed, therapy may be recommended to restore strength, flexibility, and function. - **Surgical intervention**: In cases where the joint cannot be properly realigned or if there are associated injuries like fractures, surgery might be necessary to repair the joint and surrounding structures. Adherence to medical advice and timely treatment can help prevent chronic instability or deformity of the thumb joint.