S63.04

Clinical Causes: Direct trauma from falls onto the hand or thumb Sports injuries involving forceful impact or twisting movements Accidental crushing injuries Heavy object impact during work or daily activities Hyperextension or twisting motions during physical activities

Key Symptoms: Intense pain around the base of the thumb Swelling and tenderness in the affected area Restricted movement or inability to move the thumb normally Deformity or visible dislocation at the joint Bruising around the joint Sensitivity to touch and difficulty gripping or pinching objects

Diagnosis Path: Diagnosis typically involves a thorough physical examination by a healthcare professional, who will assess the thumb for signs of dislocation or subluxation. Imaging studies, such as X-rays, are essential to confirm the diagnosis, determine the extent of the injury, and rule out associated fractures or other damage. Proper imaging helps in planning appropriate treatment strategies.

Treatment Protocols: Treatment options depend on the severity of the injury and may include: - **Reduction procedures**: Manual realignment of the joint performed by a healthcare provider, often under local anesthesia. - **Immobilization**: Use of a splint or cast to keep the thumb stable during healing, usually for several weeks. - **Pain management**: Administration of over-the-counter pain relievers or prescribed medications to alleviate discomfort. - **Physical therapy**: Exercises aimed at restoring strength, flexibility, and function once the joint has stabilized. - **Surgical intervention**: Considered in cases where manual reduction is unsuccessful, or there are associated fractures or ligament tears. Adherence to medical advice and complete recovery protocols are vital for optimal healing and preventing future instability or chronic pain.