994 resultados para Smith,James Burt
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Mode of access: Internet.
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Mode of access: Internet.
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"Our reprint of this work is from the twenty-third London edition, and the notes inclosed in brackets are from the pen, we believe, of Mr. Peter Cunningham."--Pref.
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Mode of access: Internet.
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Includes bibliography.
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back row: manager George Graves, E. Reed Low, Jack Merrill, Irwin Schalek
middle row: trainer John Bronson, Fritz Radford, Richard Griggs, Richard Berryman, James Burt Smith
front row: Robert Simpson, Gilbert James, John Fabello, coach J. Edward Lowrey, captain Lawrence David, Victor Heyliger
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back row: Jack Merrill, Edward Chase, Robert Simpson, George Cooke, manager William Olsen
front row: William Chase, John Fabello, captain Victor Heyliger, coach J. Edward Lowrey, Gilbert James, James Burt Smith
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back row: Alfred Chadwick, John Fabello, Gilbert James, Edwin Smack Allen, Edward Chase
front row: James Burt Smith, William Chase, Eldon "Spike" James, captain Robert Simpson, Leslie Hillberg
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Bone graft is generally considered fundamental in achieving solid fusion in scoliosis correction and pseudarthrosis following instrumentation may predispose to implant failure. In endoscopic anterior-instrumented scoliosis surgery, autologous rib or iliac crest graft has been utilised traditionally but both techniques increase operative duration and cause donor site morbidity. Allograft bone and bone- morphogenetic-protein alternatives may improve fusion rates but this remains controversial. This study's objective was to compare two-year postoperative fusion rates in a series of patients who underwent endoscopic anterior instrumentation for thoracic scoliosis utilising various bone graft types. Significantly better rates of fusion occurred in endoscopic anterior instrumented scoliosis correction using femoral allograft compared to autologous rib-heads and iliac crest graft. This may be partly explained by the difficulty obtaining sufficient quantities of autologous graft. Lower fusion rates in the autologous graft group appeared to predispose to rod fracture although the clinical consequence of implant failure is uncertain.
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Thoracoscopic instrumented anterior spinal fusion for adolescent idiopathic scoliosis (AIS) has clinical benefits that include reduced pulmonary morbidity, postoperative pain, and improved cosmesis. However, quantitative data on radiological improvement of vertebral rotation using this method is lacking. This study’s objectives were to measure preoperative and postoperative axial vertebral rotational deformity at the curve apex in endoscopically-treated anterior-instrumented scoliosis patients using CT, and assess the relevance of these findings to clinically measured chest wall rib hump deformity correction. This is the first quantitative CT study to confirm that endoscopic anterior instrumented fusion for AIS substantially improves axial vertebral body rotational deformity at the apex of the curve. The margin of correction of 43% compares favourably with historically published figures of 24% for patients with posterior all-hook-rod constructs. CT measurements correlated significantly to the clinical outcome of rib hump deformity correction.
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Bone graft is generally considered fundamental in achieving solid fusion in scoliosis correction and pseudarthrosis following instrumentation may predispose to implant failure. In thoracoscopic anterior-instrumented scoliosis surgery, autologous rib or iliac crest graft has been utilised traditionally but both techniques increase operative duration and cause donor site morbidity. Allograft bone and bone morphogenetic protein (BMP) alternatives may improve fusion rates but this remains controversial. This study's objective was to compare two-year postoperative fusion rates in a series of patients who underwent thoracoscopic anterior instrumentation for thoracic scoliosis utilising various bone graft types.