A knee dislocation means that the thighbone and shin bones in your knee have moved out of place so that the joint no longer works properly. The dislocation can put pressure on the nerves and blood vessels in your knee and damage them. When your knee is dislocated, you may also have broken bones.
A dislocated knee is usually caused by:
Symptoms may include:
Your healthcare provider will ask about your symptoms and medical history and examine you. Tests may include:
A dislocated knee needs treatment right away to prevent permanent damage to the nerves and blood vessels.
Your healthcare provider will put the bones back in the right position. You may need to have a local or general anesthetic to keep you from feeling pain when this is done. A splint or cast will hold the bones in the correct position for several weeks. This prevents your joint from moving while it heals. When the splint or cast is removed, your healthcare provider may recommend stretching and strengthening exercises to help you heal.
Often there is damage to the ligaments and cartilage of the knee when it is dislocated. You may need surgery to repair the ligaments.
Follow the full course of treatment prescribed by your healthcare provider. In addition:
Ask your provider:
Make sure you know when you should come back for a checkup. Keep all appointments for provider visits or tests.