Knee Dislocation

support knee

Knee Dislocation

Dislocation of the knee is an orthopaedic emergency, and therefore the commonest cause is high-energy trauma, followed by sports-related injuries and straightforward falls.

Epidermiology

Reported as less than 0.02% of the musculoskeletal injuries, and the true number is likely higher due to spontaneous reduction of dislocation and missed diagnosis.
Knee dislocation occurs usually in males more than females ( 3 men to 1 woman )

Other injuries in knee dislocation

neurovascular injuries.
fractures of the tibia and fumer
rupture of the collateral and/or cruciate ligaments

How to diagnose knee dislocation?

First we need to know the type of energy involved in trauma.
Usually, the patient with knee dislocationsdislocation feels the obvious deformity, swelling, pain and inability to move the knee.
Many knee dislocations are reduced before exam by a physician; thus, deformity might not be present.
Then you must do the physical exam, therefore we can determine correctly the degree of the injury and check out the neurovascular injuries.
After that we should do the complement tests such as radiography, CT angiography, and MRI.

Treatment of knee dislocations

Immediate reduction must done by experts, then we should avoid manual pressure in any direction to avoid iatrogenic neurovascular injuries.

Non operative treatment

Non operative treatment is an option when we don't have arterial injury.
It is indicated for patients who are sedentary or elderly or who have substantial comorbidities preventing surgical repares.

Surgery of the knee dislocation

Emegent surgery is required for patients with neurovascular injuries.
Also, open dislocation injuries requier immediate surgical intervention.
After all these treatments we should do physical therapy so that we can protect the knee from disability of movement