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Adult Reconstruction
intermediate
X-Type

Hip Arthrodesis - Indications and Conversion to Arthroplasty

Hip Surgery

A 48-year-old manual laborer had a hip arthrodesis performed 25 years ago following septic arthritis. He now presents with disabling low back pain and ipsilateral knee pain. Examination reveals a fixed hip in 25 degrees flexion, 5 degrees abduction, and 15 degrees external rotation. His spine shows L4-5 degenerative changes on imaging, and he is unable to continue working. Regarding hip arthrodesis:

Mark each as TRUE or FALSE

A

The optimal hip arthrodesis position is 25-30 degrees flexion, 0-10 degrees abduction, and 15-20 deg...

B

Hip arthrodesis is a salvage procedure indicated for young patients with failed arthroplasty, eradic...

C

Back pain rarely develops after hip arthrodesis; ipsilateral knee arthritis is uncommon even at long...

D

Back pain develops in over 50% of patients at 10 years due to increased lumbar stress; ipsilateral k...

E

Conversion from hip arthrodesis to THA is technically demanding with 40-50% complication rates; chal...

Answer the questions to see explanations

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