Implant Breakage

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Implant Breakage

Fig. 20.1 AP and lateral radiographs of the right hip and femur demonstrating a fractured modular, bi-body stem with associated periprosthetic femur fracture . Note the severe proximal femoral bone…

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Aseptic Implant Loosening

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Aseptic Implant Loosening

Fig. 18.1 Anteroposterior (AP) view of the pelvis (a) as well as AP view of the left hip (b) and cross-table lateral X-ray of the left hip (c) demonstrate a…

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Evaluation of the Painful Total Hip Arthroplasty

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Evaluation of the Painful Total Hip Arthroplasty

Fig. 7.1 Anteroposterior pelvis (a) and cross-table lateral hip (b) radiographs demonstrating a cementless total hip arthroplasty without signs of radiographic loosening. The acetabular component is in approximately 60° of…

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Wear and Osteolysis of Polyethylene Bearings

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Wear and Osteolysis of Polyethylene Bearings

Fig. 13.1 Case example (preoperative AP radiograph) Epidemiology Osteolysis and component loosening have been identified among the most common mechanisms for late total hip arthroplasty (THA) failure [1]. During normal…

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Vascular Injuries

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Vascular Injuries

Fig. 2.1 Lateral view of the acetabulum showing the arteries at risk for injuries during total hip arthroplasty . The dotted lines define the safe zones for screw placement according…

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Corrosion at the Modular Head–Neck Junction

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Corrosion at the Modular Head–Neck Junction

Fig. 17.1 Preoperative AP (a) and shoot through lateral (b) images show well-fixed, appropriately sized, and positioned components The patient’s serum metal levels are highly consistent with an adverse local…

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Acute Pelvic Discontinuities

Sep 6, 2017 by in ORTHOPEDIC Comments Off on Acute Pelvic Discontinuities

Fig. 12.1 (a) Anteroposterior (AP) pelvic and (b) lateral immediate postoperative radiographs of a 70-year-old female who underwent an uncemented primary THA at an outside institution. On the AP radiograph,…

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