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Adult Reconstruction
intermediate
X-Type

Leg Length Discrepancy in THA

Hip Arthroplasty Complications

A 65-year-old woman undergoes primary total hip arthroplasty. Postoperatively, she notices her operated leg feels longer and has foot drop. Radiographs show the hip is stable but the leg is 2.5cm longer than the contralateral side. She is very distressed by the discrepancy. Regarding leg length discrepancy after THA:

Mark each as TRUE or FALSE

A

Leg length discrepancy (LLD) after THA is one of the most common causes of patient dissatisfaction a...

B

Lengthening occurs more commonly than shortening in THA; causes include femoral component positionin...

C

All leg length discrepancies require revision surgery; nerve palsy never occurs with lengthening; pa...

D

Intraoperative techniques to assess leg length include Shuck test, drop kick test, comparison to con...

E

Management depends on severity: less than 1cm usually no treatment needed, 1-2cm may benefit from sh...

Answer the questions to see explanations

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