• Adrián Roche-Albero, Jesús Mateo-Agudo, Carlos Martín-Hernández, María Arnaudas-Casanueva, and Jorge Gil-Albarova.
• Department of Orthopaedic Surgery and Traumatology, Miguel Servet University Hospital, Zaragoza, Spain; Department of Surgery, Medicine School, University of Zaragoza, Spain; Institute for Health Research Aragón, Zaragoza, Spain. Electronic address: adrianroche@hotmail.com.
• Injury. 2021 Aug 1; 52 (8): 2451-2458.

IntroductionThe incidence of hip periprosthetic fractures (PPF) has been increasing in recent years. In Vancouver type B1 there are several osteosynthesis options. The aim of this paper is to assess both the treatment and results of Vancouver type B1 PPF in patients operated at our centre.Material And MethodAn observational retrospective study of patients operated at Hospital Universitario Miguel Servet for type B1 PPF via osteosynthesis with plate between January 2014 and March 2017. Such details were documented and analysed as type of implant used for fixation, patient demographics, complications, time to union and function score using the Harris Hip Score. The minimum follow up was 2 years.ResultsOverall, 37 patients (21 women)  were available for review with a mean age of 80.7 years (range 54-99). 8 of these patients died, with an average age of 85.6 (83-95). Out of these 8 dead patients, 4 died in the first year, with an average age of 87 (83-95). 19 fractures had cemented stems whereas 18 were uncemented. According to prosthesis type, 8 had a cemented partial arthroplasty, 11 a cemented total hip arthroplasty (THA), 18 a non-cemented THA; with an average period until PPF of 2.5 years (0.2-5.6), 7 years (0.09-18.1) and 8.1 years (2.6-12.7) respectively. Devises used for stabilisation of the fracture included 27 Cable-Ready® plates (Zimmer-Biomet), 5 Dall-Miles® plates (Stryker) and 5 femur NCB® plates (Zimmer-Biomet). Complications included 5 acute superficial infections of surgical wound, 1 chronic infection, 5 pressure ulcers (4 sacral, 1 heel), 7 patients required intra-operational blood transfusion. The mean time to union was 10.35 weeks (range 6-13). The mean Harris Hip Score postoperatively was 65 (44-95).DiscussionTreatment via open reduction and internal fixation with locked lateral plate covering most of the femur in elderly patients or those with poor bone quality, or a plate with proximal cerclages and distal screws in patients with better bone quality are appropriate treatment methods. To achieve good results using these techniques, we consider minimisation of soft tissue dissection highly important likewise using a meticulous osteosynthesis technique with special attention to biology and biomechanics.Copyright © 2021. Published by Elsevier Ltd.

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