Maine Orthopaedic Review Monthly Challenge

Test Your Knowledge of Total Knee Arthroplasty

Bruce F. Gomberg, MD; Ira Kirschenbaum, MD

Disclosures

February 08, 2017

Peroneal nerve palsy after TKA is a serious complication. The incidence in literature ranges from 0.3% to 1.3%. Several perioperative factors have been reported to be significant for the development of peroneal nerve palsy after TKA. Preoperative valgus deformity and flexion contracture are significant risk factors. In several studies, the average preoperative valgus angulations in the patients who developed peroneal nerve palsy ranged from 18º to 23.3º , and preoperative flexion contracture ranged from 15.5º to 22º.[1,2,3]

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