Who is at risk for peroneal nerve palsy after a total knee arthroplasty?
The patient with a valgus knee with a fixed flexion contracture is most at risk The peroneal nerve is at risk when a retractor is placed on the lateral side of the knee during surgery. However, injury from this is not a common occurrence. Neuropraxias more often result from stretching of the nerve with correction of the limb deformity.. 52. What measures should be taken in the immediate postoperative patient who is found to have new weakness or absence of the foot and ankle dorsiflexors? (peroneal nerve palsy) All dressings should be removed, and the knee should be flexed to relieve tension across the peroneal nerve. If there is no resolution of the palsy, surgical exploration and decompression should be considered. 53. What patient-related factors have a negative impact on results following a total knee arthroplasty? Total knee arthroplasty is technically difficult after high tibial osteotomies, and the results are not as good as routine primary total knee replacements. Diabetics and
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