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According to the Vancouver classification system, there were 7 type B1, 2 type B2, 4 type B3 and 2 type C fractures. Seven patients had severe osteopenia, 10 patients had bone defects between 2 to 7 cm and 2 were associated with infection. Nine patients had internal fixation of the fracture using a compression plate, and 6 had revision arthroplasty using a long-stemmed femoral prosthesis. The average length of the allograft was 13.9 cm. At an average follow-up of 31 months, all the patients had a satisfactory functional result except one who had a leg length discrepancy of 4 cm due to multiple operations. There were no non-unions, malunions or infections. The fractures healed between 10 to 24 weeks (average, 15.6 weeks). In conclusion, a cortical strut allograft associated with internal fixation can be an effective method of treating periprosthetic fractures of the femur after hip arthroplasty.<\/jats:p>","DOI":"10.1177\/230949900000800106","type":"journal-article","created":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T17:13:55Z","timestamp":1475601235000},"page":"27-31","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":18,"title":["Periprosthetic Fracture of the Femur after Hip Arthroplasty: The Clinical Outcome Using Cortical Strut Allografts"],"prefix":"10.1177","volume":"8","author":[{"given":"Jun-Wen","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Chang Gung University, Kaohsiung, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ching-Jen","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of 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