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°æÃß Ã´¼öÁõÀÇ ¿øÀÎ Áúȯ¿¡ µû¸¥ ¼ö¼úÀû Ä¡·á °á°úÀÇ ¿¹ÈÄ ÀÎÀÚ Prognostic Factors Affecting the Surgical Outcome of the Cervical Myelopathy

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±èȯÁ¤ ( Kim Whoan-Jeang ) 
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¹ÚÀç±¹ ( Park Jae Guk ) 
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±è½Â±Ç ( Kim Seung Kwon ) 
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Abstract

¸ñÀû: °æÃß Ã´¼öÁõÀÇ ¿øÀÎ Áúȯ¿¡ µû¸¥ ¼ö¼úÀû Ä¡·á ÈÄ ÀÓ»óÀû °á°ú ¹× ¿¹ÈÄ ÀÎÀÚ¸¦ °¢°¢ ºñ±³ ºÐ¼®ÇÏ°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1997³â 3¿ùºÎÅÍ 2004³â 3¿ù±îÁö °æÃß Ã´¼öÁõÀ¸·Î ¼ö¼úÀû Ä¡·á¸¦ ½ÃÇàÇÏ°í 1³â ÀÌ»ó Ã߽ðüÂûÀÌ °¡´ÉÇß´ø 41¿¹ÀÇ È¯ÀÚ¸¦ ´ë»óÀ¸·Î ÇÏ¿´À¸¸ç ¿øÀÎ Áúȯ¿¡ µû¶ó ¿¬¼º Ãß°£ÆÇ Å»ÃâÁõ 10¿¹¸¦ A±º, ÈÄÁ¾ Àδë°ñÈ­Áõ 14¿¹¸¦ B±º, °æÃßÁõ¼º ô¼öÁõ 17¿¹¸¦ C±ºÀ¸·Î ±¸ºÐÇÏ¿© A±º¿¡¼­´Â 1ºÐÀý ȤÀº 2ºÐÀýÀÇ º´¼Ò·Î Àü¹æ °¨¾Ð ¹× Ãßü À¯ÇÕ¼úÀ» ½ÃÇàÇÏ¿´°í, B±º°ú C±º¿¡¼­´Â Ãß±ÃÈ®À强Çü¼ú(expansive laminoplasty)À» ½ÃÇàÇÏ¿´´Ù. ¿øÀÎ Áúȯ¿¡ µû¸¥ ȸº¹·ü°ú °ü·ÃµÈ ¿¹ÈÄ ÀÎÀÚ·Î ¾Ë·ÁÁø ¿¬·É, ÀÌȯ±â°£, ¼ö¼ú Àü JOA Á¡¼ö, T1, T2 ÀÚ±â°ø¸í¿µ»ó¿¡¼­ÀÇ Ã´¼ö ³» ½ÅÈ£°­µµ º¯È­, ÀüÈĹæ ô¼ö¾Ð¹Ú·ü(compression ratio)À» °¢°¢ ºñ±³ ºÐ¼®ÇÏ¿´´Ù.

°á°ú: ÀüüÀûÀÎ ¼ú Àü JOA Á¡¼ö´Â 11.20¡¾3.28¿¡¼­ ¼ú ÈÄ 14.56¡¾2.54·Î Çâ»óµÇ¾ú°í, Æò±Õ ȸº¹·üÀº 61.73¡¾ 25.20%À̾ú´Ù. ¿øÀÎ Áúȯ¿¡ µû¸¥ ¼ö¼ú Àü JOA Á¡¼ö´Â A±º 11.40¡¾1.35, B±º 11.93¡¾2.23, C±º 10.53¡¾4.42À¸·Î °¢ ±º °£ Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾ú´Ù(p£¾0.05). ¿øÀÎÁúȯ¿¡ µû¸¥ ȸº¹·üÀº A±º 75.98¡¾11.44%, B±º 61.39¡¾19.785, C±º 53.61¡¾31.365ÀÇ ¼øÀ̾úÀ¸³ª Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾úÀ¸¸ç(p£¾0.05), A±º¿¡¼­´Â ¿¹ÈÄ ÀÎÀÚ Áß¿¡¼­ ¿¬·É, ¼ö¼ú Àü JOA Á¡¼ö, T2 ¿µ»óÀÇ °í½ÅÈ£°­µµ°¡ Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÏ¿´°í(p£¼0.05), B±º¿¡¼­´Â ¿¬·É, ¼ö¼ú Àü JOA Á¡¼ö°¡, C±º¿¡¼­´Â ¿¬·É, ¼ö¼ú Àü JOA Á¡¼ö, ÀüÈĹæ ô¼ö ¾Ð¹Ú·ü, T2 ¿µ»óÀÇ
°í½ÅÈ£°­µµ°¡ Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÏ¿´´Ù(p£¼0.05).

°á·Ð: ¿øÀÎ Áúȯ¿¡ µû¸¥ ¼ú Àü ÀÓ»ó Áõ»óÀÇ Á¤µµ¿Í ¼ú ÈÄ ÀÓ»óÀû °á°ú´Â Â÷ÀÌ°¡ ¾ø¾ú°í, 3±º °øÅëÀÇ ¿¹ÈÄ ÀÎÀڷδ ¿¬·É ¹× ¼ö¼ú Àü JOA Á¡¼öÀ̾úÀ¸¸ç, ¿øÀÎ Áúȯ¿¡ µû¸¥ °¢°¢ÀÇ ¿¹ÈÄÀÎÀÚ°¡ ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù. ±×·¯³ª ÃßÈÄ Á» ´õ ¸¹Àº ¿¬±¸°¡ ÀÌ·ç¾îÁ®¾ß ÇÒ °ÍÀÌ´Ù.

Purpose: To investigate and define the clinical results and prognostic factors affecting surgical outcome of the various etiologies of a cervical myelopathy.

Materials and Methods: Forty-one cervical myelopathy patients, who underwent surgery from March 1997 to March 2004, were retrospectively reviewed. The patients were divided into three groups according to the cause, HIVD (10 cases, group A), OPLL (14 cases, group B), cervical spondylotic myelopathy (17 cases, group C). An anterior cervical discectomy and fusion was carried out on one or two segments in group A, and an expansive open-door laminoplasty was performed
in groups B and C. The correlations between age, onset, preoperative JOA score, signal change in the cord on the T2 weighted image MRI, compression ratio, which are known etiologies of myelopathy, and the recovery rate according to causes were analyzed.

Results: The mean preoperative and postoperative JOA score was 11.2 and 14.6 respectively. The mean recovery rate was 61.7%. There was no significant difference in the preoperative JOA score in each group (11.40 in group A, 11.93 in group B, 10.53 in group C). The recovery rate was ranked as follows: group A, B, and C (group A 75.98%, group B 61.39%, group C 53.61%) but the difference was not significant. Age, preoperative JOA score, signal change on T2WI MRI in group A (p£¼0.05), age, preoperative JOA score in group B (p£¼0.05), age, preoperative JOA score, signal change on
T2WI MRI, compression ratio in group C (p£¼0.05) were significant prognostic factors that influenced the recovery rate.

Conclusion: There was no difference between the preoperative clinical symptoms and the surgical outcome according to the cause. The most significant prognostic factors affecting the results of surgery for cervical myelopathy were age, preoperative JOA score in each group. A specific prognostic factor in each group may exist, but a further evaluation is needed.

Å°¿öµå

°æÃß Ã´¼öÁõ;¿øÀÎ Áúȯ;¼ö¼úÀû Ä¡·á;¿¹ÈÄÀÎÀÚ
Cervical myelopathy;Cause;Surgical treatment;Prognostic factors

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