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LAHAINA, Hawaii – While the overall incidence of nerve palsy resulting from total hip replacement remains low, patients undergoing revision surgery have a threefold risk for nerve injury, and women are at a higher risk than men.
Thomas P. Schmalzried, MD, of St. Vincent Medical Center in Los Angeles, said that in an analysis he conducted with colleagues S. Noordin, MD, and Harlan C. Amstutz, MD, of more than 34,000 total hip replacements (primary and revision), there were 359 nerve palsies — a 1% overall prevalence. However, the incidence among revision surgeries escalated to 2.5%, (0.9% for primary cases), and patients with developmental dysplasia of the hip (DDH) demonstrated a 5% risk for nerve palsy.
Even more alarming: nerve palsy occurred in women nearly twice as much as men…