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eccentric trajectory. (f) As the guide wire crosses the pathway of the ‘blocking’ screw, it is withdrawn (but not removed from the distal segment) and the ‘blocking’ screw is inserted antero-posteriorly, at a position (g) (h) that will allow both the
Universidad Autònoma de Barcelona (UAB), Bellaterra, Barcelona, Spain
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Department of Trauma and Orthopaedic Surgery, Hospital Nostra Senyora de Meritxell, Andorra
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Universidad de Valladolid, Valladolid, Spain
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Universidad Autònoma de Barcelona (UAB), Bellaterra, Barcelona, Spain
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surgical time and decrease the morbidity of the procedure. Just the removal of metal hardware (screws or cables), from the previous osteosynthesis, that could interfere the fixation goals, is required. On questions 6 and 7 supermajority (strong consensus
Universidad de La Laguna, Tenerife, Spain
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Universidad de La Laguna, Tenerife, Spain
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Universidad de La Laguna, Tenerife, Spain
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Universidad de La Laguna, Tenerife, Spain
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anatomical designs (pre-contoured plates), which match the anatomy of the femur; variable interlocking options facilitating screw fixation around the stem; extensions capturing the greater trochanteric region; multidirectional screw placement to avoid
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Department of Occupational Therapy, Shu-Zen Junior College of Medicine and Management, Kaohsiung City, Taiwan
Department of Biomedical Engineering, I-Shou University, Kaohsiung City, Taiwan
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Department of Pharmacy, School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
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literature review done by Clement et al. ( 52 ) which suggested that the overall re-operation risk is lower for cemented fixation in primary THA. Unless cross-linked polyethylene liners or alternative bearings can prove to yield superior outcome in the
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an artificial pelvis Gililland et al showed that plating of the posterior column in combination with an antegrade screw fixation of the anterior column created a more rigid construct, without the need for extensile approaches. 36 In any case
IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, Milan, Italy
Fondazione Livio Sciutto Onlus, Campus Savona - Università degli Studi di Genova, Via Magliotto 2, Savona, Italy
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IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, Milan, Italy
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Fondazione Livio Sciutto Onlus, Campus Savona - Università degli Studi di Genova, Via Magliotto 2, Savona, Italy
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or napkin-ring allografts for all types of defect except for the type VI, the allografts and/or long stems for the type VI, and internal plates and screws for bone fixation in allograft fractures. Table 7 Chandler and Penenberg classification
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, Herts, UK), where a modular cobalt–chromium (CoCr) liner sits within the traditional titanium acetabular shell. This adds the advantages of the traditional porous metal shell, with its options for supplementary acetabular screw fixation, use of metal
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. Augmentation of the fixation with extra screws is usually required. Autografting is preferred over allowing superior migration in the acetabular component position to achieve better cup coverage. Wear and the long-term outcome are sensitive to acetabular
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as ‘contributing to secure fixation’. 8 When loosening of such a prosthetic component is eventually detected on standard radiographs, it may be interpreted as late loosening of a previously apparently well-fixed component and explained by various
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coating being replaced by a bilayer of porous titanium and hydroxyapatite, and development of a highly cross-linked, durable PE rim, minimizing wear during contact with the femoral neck. 12 , 13 Cemented fixation is not widely used, with cup
