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The variability in width, height, and spatial orientation of a spinal pedicle makes pedicle screw insertion a delicate operation. The aim of the current paper is to describe a computer-assisted surgical navigation system based on fluoroscopic X-ray image calibration and three-dimensional optical localizers in order to reduce radiation exposure while(More)
When inserting screws into a vertebral pedicle, the surgeon usually exposes the back part of the vertebra and uses his or her anatomic knowledge to align the drill in the proper direction. A slight error in direction may result in an important error in the position of the tip of the screw. This is done with no direct visibility of crucial structures (spinal(More)
PURPOSE OF THE STUDY The purpose of this study was to analyze lesions to the lumbosacral plexus related to pelvic injury and its treatment. MATERIAL AND METHODS Forty-four patients presented 50 posterior osteoligamentary lesions of the pelvic girdle. All patients except eight had other injuries. Mean ISS was 27/75. Posterior lesions were: iliosacral(More)
PURPOSE The purpose of this study is to evaluate the clinical and radiological outcomes of hemiepiphysiodesis with a single medial staple of the proximal tibia in idiopathic genu valgum angular correction. METHODS A retrospective review was performed identifying nine adolescents (18 knees) treated for idiopathic adolescent genu valgum by means of a(More)
Adolescent idiopathic scoliosis is a 3D spine deformity that worsens during the whole growth. The treatments available are bracing during the whole growth to avoid progression of the deformity and surgical fusion of the spine at skeletal maturity for the most severe curves. Recent advances in flexible spinal implants have given rise to new expectations in(More)
Non-typhi Salmonella are responsible for severe invasive infections in children with sickle cell disease, with osteoarticular locations that can affect short- and long-term outcomes. We describe the cases of 2 children with sickle cell disease who presented paucisymptomatic Salmonella osteoarticular infections on returning from North Africa. Progression was(More)
As the aircraft industry is moving towards the all electric and More Electric Aircraft (MEA), there is increase demand for electrical power in the aircraft. The trend in the aircraft industry is to replace hydraulic and pneumatic systems with electrical systems achieving more comfort and monitoring features. Moreover, the structure of MEA distribution(More)
We report a case of right ureter injury in an 11-year-old girl after a percutaneous iliosacral screwing with non-computer-assisted fluoroscopic guidance. The indication was a pelvic ring fracture, C1-1 in the Tile modified AO classification (J Am Acad Orthop Surg. 1996;4:143-151). The mechanism was a ski accident. A percutaneous iliosacral screwing was(More)