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Adult Reconstruction
intermediate
X-Type

Dislocation After Hip Arthroplasty

Hip Arthroplasty Complications

A 72-year-old woman who underwent primary total hip arthroplasty 3 months ago via a posterior approach presents with acute hip pain after bending forward to put on her shoes. She felt a "pop" and now has severe pain with the leg shortened and internally rotated. X-ray confirms posterior hip dislocation. This is her first dislocation episode. Regarding dislocation after hip arthroplasty:

Mark each as TRUE or FALSE

A

Dislocation is one of the most common complications of THA with incidence of 1-5% after primary THA ...

B

Risk factors include: surgical approach (posterior greater than anterior), component malposition (es...

C

Anterior dislocation is more common than posterior; the anterior approach has the highest dislocatio...

D

Initial management of first dislocation is closed reduction under sedation/anesthesia, followed by h...

E

Surgical options for recurrent instability include: revision to correct component position, increasi...

Answer the questions to see explanations

Click T (True) or F (False) for each option