Hip Trauma
A 25-year-old unrestrained passenger in an MVA presents with severe right hip pain. His right leg is shortened, internally rotated, and adducted. There is no gross motor function in the foot. Pelvic radiograph confirms posterior hip dislocation with a small posterior wall acetabular fragment. CT shows the femoral head is 3 cm posterior to the acetabulum with no incarcerated fragments. Regarding posterior hip dislocation:
Mark each as TRUE or FALSE
Posterior hip dislocation is the most common type (85-90%); the classic mechanism is a dashboard inj...
The sciatic nerve (particularly the peroneal division) is at risk, with injury in 10-20% of cases; i...
Anterior dislocation is most common; the leg is externally rotated and abducted; the femoral nerve i...
Urgent reduction within 6 hours is critical to minimize avascular necrosis risk (2-10% if reduced wi...
Indications for open reduction include failed closed reduction, non-concentric reduction, incarcerat...
Answer the questions to see explanations
Click T (True) or F (False) for each option