To analyze the results of treatment of degenerative spine disease with the use of nitinol rods for lumbosacral fixation as compared with conventional rigid fixation. Material and Methods.The prospective randomized study included 75 patients (34 males, 41 females; mean age 43 years) with degenerative lesion at the L 5 -S 1 level. Surgical treatment was performed with nitinol rods in 35 patients (Group 1), and with standard titanium rods in 40 patients (Group 2). Clinical and radiological results were assessed in 1.5 years after surgery.Results. The VAS leg-and-back, ODI, and SF-36 scores showed improvement in patients of both groups such as a significant reduction in pain intensity and improvement in psychological and physical health. The X-ray examination showed the restoration of the lumbar lordosis in both groups. In Group 1, there was no evidence of screw instability, bone resorption around screws and the adjacent segment disease, and functional radiography demonstrated preservation of mobility (5.0° ± 1.2°). There were seven patients with pseudoarthrosis, and six -with adjacent segment disease in Group 2, surgical intervention was required in four of them. Conclusion.Transpedicular fixation in the lumbosacral spine using nitinol rods is an effective technology allowing for mobility preservation in combination with stable fixation.
учреждение «Национальный медицинский исследовательский центр травматологии и ортопедии имени Н.Н. Приорова» Министерства здравоохранения Российской Федерации, г. Москва, Россия 2 Федеральное государственное бюджетное учреждение «Новосибирский научно-исследовательский институт травматологии и ортопедии им. Я.Л. Цивьяна» Министерства здравоохранения Российской Федерации, г. Новосибирск, Россия 3 Федеральное государственное бюджетное учреждение «Санкт-Петербургский научно-исследовательский институт фтизиопульмонологии» Министерства здравоохранения Российской Федерации, г. Санкт-Петербург, Россия Osteoconductive properties of carbon fibre implants used in surgery of spine injuries and disorders (case report
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