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asbryobvrz · Wysłany: Wto 20:35, 08 Mar 2011

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Surgical treatment of children with deformity and instability of atlantoaxial

The existence of the atlas an axis normal physiological structures change, is still in the early abnormalities may not show the relative stability of the clinical symptoms. With age, the activity increases, the atlas a gradual axial instability and spinal cord will be damaged. Early onset of neurological symptoms of children less and light conditions varied, were mixed. Because children are atlantoaxial atlantoaxial a particularity and complexity of the clinical governance often leads to the occurrence of missed diagnosis and wrong. Odontoid epiphysis appears at 2 years old,[link widoczny dla zalogowanych], about 12 years of age and body healing dens, the epiphysis in the lateral position is difficult to display. Odontoid process was shortened and the delay of the epiphysis appears exactly like bad teeth emergency education,[link widoczny dla zalogowanych], hard to evaluate at this time atlantoaxial atlantoaxial a steady state. If the epiphysis has not yet appeared in the extension when the anterior arch of the atlas on the odontoid process would overlap, this back into a corner in the dens is particularly evident, this overlap occur in approximately 20%, and will overlap with that the growth and decline disappear in about 7 years old. And children in the clinically suspected atlantoaxial atlantoaxial a deformity, should be a detailed examination of the nervous system and effects of examination, x ray radiographs open spaces and are often able to understand the dens, occipital condyle and the position of the lateral mass of atlas change and development was, digital radiography to understand the dynamic stability, cT and three-dimensional reconstruction of MRI or CT is able to better understand the relationship between spinal cord and vertebrae. 4.2 The principles and surgical methods for treatment of children of a atlantoaxial atlantoaxial instability deformity and surgical treatment of sick children has been recognized by many scholars. However, the specific choice of surgical approach should be based on the specific characteristics and clinical manifestations of disease to determine .... The 8 patients had posterior decompression and fixation, with satisfactory results. Our experience is that education for a simple tooth deformity can be unexpected for a complex of atlanto axial dislocation. Traction to spinal cord compression symptoms who can be implemented c. A C: fixed enough to be stable. For the hard reset c. C dislocation of a cervical instability on the removal of the posterior arch with C, occipital cervical fusion obtain satisfactory results. For the combined base of the skull depression, atlantooccipital parallel, the foramen magnum stenosis in children with the purposes of c, posterior arch resection and resection of posterior margin of foramen magnum decompression and occipitocervical fusion, both to get complete decompression,[link widoczny dla zalogowanych], and up to stable purposes. Although the occipital-cervical fusion to occipitocervical motor function loss, but the functional activity of the lower cervical spine can be compensated, no significant effect on the cervical spine development. Some academics have also advocated the line before passing oropharyngeal c a c: fusion, but the narrow throat of children exposed to difficult prone to cause surgical failure. Also after pharyngeal infection, edema, causing suffocation also reported and should therefore be Cautious. In short, traction, less nerve compression and reconstruction of atlanto axial stability of a principle of its treatment. Instability and more reusable without decompression surgery, but those who can not be reset, according to the source material caused by pressure or anterior to posterior decompression and deformity reconstruction after resection of atlanto odontoid ~ axis stability, as long as the choice of a good surgical indications, treatment can satisfied (the clinical data from the Sino-Japanese Friendship Hospital, Jilin University,[link widoczny dla zalogowanych], Orthopaedics).