S83.11

Clinical Causes: Traumatic injury or high-impact accidents, such as falls, car crashes, or sports collisions. Sudden twisting or hyperextension of the knee. Acute hyperflexion or hyperextension during physical activities. Previous knee instability or ligament weaknesses increasing susceptibility. Falls onto the knee or direct blows to the front of the knee. Re-injury in a previously damaged knee joint.

Key Symptoms: Sudden, severe pain in the knee area. Swelling and possible bruising around the knee. Limited or painful movement of the knee joint. A sensation of the tibia slipping forward or feeling unstable. Visible deformity or abnormal positioning of the knee in some cases. Difficulty bearing weight or walking temporarily. Tenderness around the knee joint.

Diagnosis Path: Diagnosis involves a clinical examination by a healthcare professional, including assessment of knee stability and movement. Imaging studies such as X-rays are essential to confirm the anterior subluxation or dislocation of the tibia, to assess the extent of injury, and to rule out associated damage such as fractures or ligament tears. In some cases, MRI may be recommended to evaluate soft tissue injuries around the knee joint.

Treatment Protocols: Treatment aims to restore proper alignment of the tibia and promote healing. It may include: - Immediate reduction of the dislocation or subluxation, often performed manually by a trained healthcare provider. - Immobilization of the knee with a brace or cast to allow healing. - Pain management with medications. - Rest and elevation to reduce swelling. - Physical therapy to regain strength, stability, and range of motion. - Surgery may be necessary if there are associated ligament tears, fractures, or if the joint cannot be properly stabilized through conservative means. - Rehabilitation programs to help restore knee function and prevent future injuries.