Yes : Potentially post traumatic arthritis can occur. If you have just a knee cap dislocation, it may predispose you to future dislocations and anterior knee pain and arthritis. If it is your whole knee joint that dislocates, you risk nerve, vessel and ligament injury. This is a much more severe injury than just a patella dislocation.
Answered 8/14/2012
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A doctor has provided 1 answer
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