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Developmental dysplasia of the hip
2%
43/2740
Lengthening of the extremity
1%
14/2740
Surgeon self-rating the procedure as being a difficult intervention
12%
333/2740
Avascular necrosis of the femoral head
62%
1703/2740
Posttraumatic arthritis
23%
634/2740
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This patient has a motor and sensory (complete) peroneal nerve palsy. The incidence of postoperative nerve injury ranges from 0% to 3% and most often affects the peroneal branch of the sciatic nerve. Eggli et al reviewed 370 patients following total hip arthroplasty and found the only factor that correlated to nerve palsy was the surgeon self-rating the procedure as difficult potentially leading to direct or indirect mechanical trauma. Farrell et al reviewed 27,004 total hip arthroplasties and found that developmental dysplasia, extremity lengthening, posterior approach, posttraumatic arthritis, and uncemented femoral component increased the odds ratio of a nerve palsy. They found less than a 50% rate of nerve recovery.
1.7
(98)
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