THA Complications
A 78-year-old woman presents to the emergency department with left hip pain following a mechanical fall. She underwent primary THA via a posterior approach 3 months ago for a displaced femoral neck fracture. She has a history of dementia and Parkinson's disease. X-rays confirm posterior dislocation. This is her first dislocation episode. Regarding THA instability and dislocation:
Mark each as TRUE or FALSE
Dislocation is the most common early complication after THA and the most common cause of revision wi...
The posterior approach has historically higher dislocation rates (2-4%) compared to the direct anter...
Component malposition is the cause in fewer than 10% of THA dislocations; a cup abduction angle of 6...
The Lewinnek safe zone for acetabular component position is 40 degrees plus or minus 10 degrees incl...
Management of first-time dislocation typically involves closed reduction under sedation followed by ...
Answer the questions to see explanations
Click T (True) or F (False) for each option