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±èÁ¾ÅÂ/Jong Tae Kim ¹Ú¼ºÂù/Á¶°æ±Ù/¹ÚÇØ°ü/ÀÌ°æÁø/³ªÇü±Õ/ÃÖâ¶ô/°­Áرâ/Sung Chan Park/Kyung Keun Cho/Hae Kwan Park/Kyung Jin Lee/Hyung Kyun Rha/Chang Rak Choi/Joon Ki Kang

Abstract

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¾Ð¹ÚÀÌ ¼ö¼ú ÈÄ ¿ÏÀüÈ÷ ȸº¹µÈ Type ¥°¼­ °¡Àå ÁÁ¾Ò°í ¼ö¼ú Àü ô¼ö¾Ð¹ÚÀÌ ¼ö¼úÈÄ¿¡µµ Àü
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We have undertaken a clinical analysis of 33 patients who underwent decompressive
surgery for cervical myelopathy and compared the preoperative MRI image of these
patients to clarify the relation between morphologic changes in talc spinal cord and
clinical improvement of myelopathy after decompressive surgery and to evaluate other
factors which might affect the surgical outcome of these patients.
The severity of myelopathy was evaluated using the scale proposed by the japanese
Orthopaedic Association(JOA score) and the postoperative outcome of the myelopathy
was assessed using postoperative JOA score, increase in points, and recovery rate. The
patients were compared with respect to age, symptom duration, underlying cause and
sugical method. These were no statistically significant differences in respect of symptom
duration, underlying cause and surgical method. but, age postoperative JOA score and
recovery rate increased significantly in group with age 50 years compared with that in
group with age over 51 years. According to the morphologic changes with age under
50 years compared with that group with age over 51 years. According to the
morphologic changes complete disappearance of preoperative cord indentation was
present in 23 cases. Type II which showed partical disappearance in 5 cases. Type ¥²
which showed no improvement in 2 cases, and Type ¥³ which showed cord enlargement
in 3 cases. Excepting type ¥³, increased restoration of spinal cord morphology after
decompressive surgery was closely corrected with postoperative improvement in the
myelopathy, suggesting that morphologic changes of the spinal cord closely reflect
neurologic recovery. In Type ¥³, notwithstanding the peculiar postoperative reaction,
improvement was relatively good. these results suggest that the age factor may play a
role in anticipating the sugical outcome of cervical compression myelopathy and the
morphologic changes of the spinal cord on MRI may closely reflect the degree of
neurologic recovery in the patients with the cervical cord compression.

Cervical compression myelopathy; Neuroplasticity; Morphology; Spinal cord; Magnetic resonance imaging;

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