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- W3200246003 abstract "Reconstruction of the proximal femur after tumour resection can be performed with proximal femoral endopros-theses (PFE). Many studies have reported that bipolar hemiarthroplasty (BHA) reduce the risk of dislocation after oncological resections. However, progressive cotyloiditis which might require acetabular resurfacing (total hip arthroplasty [THA]) has been reported. The aim of this study is to compare the results of BHA and THA after proximal femur resection.A total of 104 consecutive patients affected by primary (n=52) and metastatic (n=52) bone tumours were included. Ninety patients underwent BHA and 14 patients underwent THA. Complications were recorded and classified according to the Henderson classification. At final follow-up, patients with the implant in site were functionally evaluated with modified Harris hip score (HHS).The mean follow-up was 50 months (range, 2-171 months). Twenty-four (23.1%) patients developed major complications. Eleven (12.2%) BHA required acetabular resurfacing. Patients affected by primary bone tumours showed an increased risk of THA conversion (P=0.042). A reduced risk was observed in patients younger than 35 years (P=0.043) and in those older than 65 years (P=0.033). Dislocation occurred in four case (3.8%), in particular after THA (P=0.021). At final follow-up, 93 patients had the prosthesis in site (80 BHA and 13 THA). Mean postoperative HHS was 70 (range, 30-90).The risk of dislocation is lower for bipolar endoprosthesis compared to THA. However cotyloiditis and acetabular resurfacing might occurred." @default.
- W3200246003 created "2021-09-27" @default.
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- W3200246003 date "2021-01-01" @default.
- W3200246003 modified "2023-10-17" @default.
- W3200246003 title "Megaprosthesis Reconstruction of the Proximal Femur following Bone Tumour Resection: When Do We Need the Cup?" @default.
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- W3200246003 doi "https://doi.org/10.5371/hp.2021.33.3.147" @default.
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