Wolfgang Linhart

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The clinical relevance and nature of calcaneal cysts is controversial. The risk of pathologic fracture is undefined and diagnostic criteria to differentiate between cysts in patients who can be treated nonoperatively and patients who require surgical intervention are not available. To address these questions, 50 calcaneal bone cysts in 47 patients were(More)
OBJECTIVE Computer-assisted procedures have recently been introduced for navigated iliosacral screw placement. Currently there are only few data available reflecting results and outcome of the different navigated procedures which may be used for this indication. We therefore evaluated the features of a new 3D image intensifier used for navigated iliosacral(More)
It is generally accepted that severely displaced or malrotated neck fractures of the fifth metacarpal should be treated by closed reduction and pinning. As antegrade intramedullary splinting avoids adhesions of the extensor hood and provides intramedullary stability this technique seems to be advantageous in comparison with traditional retrograde(More)
Polyetheretherketone (PEEK) is a synthetic polymer with suitable biomechanical and stable chemical properties, which make it attractive for use as an endoprothetic material and for ligamentous replacement. However, chemical surface inertness does not account for a good interfacial biocompatibility, and PEEK requires a surface modification prior to its(More)
Pertrochanteric fractures are a rising major health-care problem in the elderly and their operative stabilisation techniques are still under discussion. Furthermore, complications like cut-out are reported to be high and implant failure often is associated with poor bone quality. The PFNA(®) with perforated blade offers a possibility for standardised cement(More)
BACKGROUND Many femoral fracture patterns in children cannot be stabilized sufficiently by intramedullary nailing only. Such fractures may require additional cast bracing or cerclage wiring after nailing. To overcome this problem, pediatric Ender nails that can be interlocked were designed to achieve better fracture stabilization. METHOD Seventeen(More)
Dorsal stabilisation has represented the standard procedure for the treatment of burst fractures of the thoracolumbar spine for a long time, but in the last few years the combined dorsoventral stabilisation has gained in significance due to its higher mechanical stability. However, there are no data yet available indicating whether the patients benefit from(More)
BACKGROUND Unicameral bone cyst is characterized by its tenacity and risk of recurrence. Pathological fracture is common and is often the presenting symptom. The objective of the present study was to evaluate the results of flexible intramedullary nailing for the treatment of a unicameral bone cyst with or without a pathological fracture. METHODS Flexible(More)
Third generation biomaterials are being designed with the aim that once implanted they will help the body to heal itself. One desirable characteristic of these materials in bone is their ability to be remodeled, i.e. that osteoclasts resorb the material and it is subsequently replaced by newly formed bone through osteoblastic activity. So far the only way(More)
OBJECTIVE Combined dorsoventral stabilization provides superior mechanical stability in the operative treatment of thoracolumbar spine fractures. Currently, there are no data available reflecting the quality of life in trauma patients following the combined procedure. The aim of this investigation was to study the health-related quality of life after(More)