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We report a randomised, prospective study comparing a standard sliding hip screw and the intramedullary hip screw for the treatment of unstable intertrochanteric fractures in the elderly. One hundred and two patients were randomised on admission to two treatment groups. Fifty-two patients were treated with a compression hip screw (CHS), and fifty had(More)
Without altering the osseous or muscular structure of Balb/c mice, the author was able to produce and reverse scoliotic deformation during the period of growth and development. Two series of investigations were performed, each involving extensive histological, morphological, and roentgenographic documentation: (1) control mice were maintained and sacrificed(More)
From 1962 to 1976, ninety-five patients with fracture-dislocations of the spine were treated with Harrington instrumentation and fusion within ninety days of injury. This report presents the results of this procedure related to reduction, stabilization, return of neural function, and total hospital stay. Mean follow-up was twenty-one months. Reduction and(More)
Between January 1961 and December 1972, 132 patients over twenty years old with idiopathic scoliosis were surgically treated using Harrington instrumentation and fusion techniques. All patients were seen by us because of curve magnitude or symptoms secondary to scoliosis. The average correction obtained at operation was 48 per cent. Twenty-four patients had(More)
By using A-frame instrumentation and direct distraction force, an exceptional correction can be obtained in patients with severe spondylolisthesis. Adolescent progressive spondylolisthesis should be considered as an entity separate from the lumbosacral anomalies such as spondylolysis and grades 0 and 1 spondylolisthesis without progression. An aplastic(More)
A multiple-factor approach to the puzzling diagnosis of idiopathic scoliosis is presented in an effort to shed some light on the ever-pervasive shadows of the unknown. Each factor, i.e., nutrition, hormonal influence, genetic tendency, and spinal mechanics, is discussed in detail and with excerpts and summaries from substantive recent literature are(More)