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An Unexpected Complication of Hip Arthroplasty: Knee Dislocation



An Unexpected Complication of Hip Arthroplasty: Knee Dislocation



Case Reports in Orthopedics 2015: 294187



An increasing number of patients with hip fracture have been seen with osteoporosis associated with osteoarthritis. Although knee dislocation is related to high-energy trauma, low-grade injuries can also lead to knee dislocation which is defined as "ultra-low velocity dislocation." The case reported here is of an 82-year-old patient who presented with a left intertrochanteric hip fracture. Partial arthroplasty was planned because of osteoporosis. In the course of surgery, degenerative arthritic knee was dislocated during the hip reduction maneuver with the application of long traction. The neurovascular examination was intact, but the knee was grossly unstable and was dislocated even in a brace; thus a hinged knee prosthesis was applied nine days after surgery. The patient was mobilized with crutches after the knee prosthesis but exercise tolerance was diminished. In conclusion, it should be emphasized that overtraction must be avoided during the hip reduction maneuver in patients with advanced osteoarthritic knee.

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Accession: 057175347

Download citation: RISBibTeXText

PMID: 26347838

DOI: 10.1155/2015/294187


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