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Abstract

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¼ºÀ» ¾Ë¾Æº¸°í ¶ÇÇÑ Àü¹æÁ¢±Ù±º°ú ÈĹæÁ¢±Ù±ºÀÇ ÀÓ»óÀû ¿¹ÈÄ, ƯÈ÷ ½Å°æÇÐÀû °á°ú, ¹æ»ç¼±ÇÐ
Àû °á°ú, ȯÀÚÀÇ µ¿Åë ¹× »çȸȰµ¿ Á¤µµ¸¦ Æò°¡ÇÏ´Â ±â´ÉÀû °á°ú(neurological, radiological,
and functional outcome)¸¦ ºñ±³ ºÐ¼®ÇÏ°íÀÚ º» ¿¬±¸¸¦ ½ÃµµÇÏ¿´´Ù.
#ÃÊ·Ï#
The goals of operation for unstable thoracolumbar spine injuries are decompression of
any neural canal compression, restoration of normal anatomic contour of the spine and
stabilization. A retrospective analysis on 64 thoracolumbar injured patients treated with
internal instrumentation and fusion was performed from January 1991 to December 1996.
The purpose of this study was to review the clinical outcome and efficacy of surgical
treatment using internal instrumentation, and compare neurological, radiological and
functional outcomes between anterior and posterior approach groups. Of these, 42
patients were operated via on posterior approaches and the other 22 patients by anterior
approaches At final follow up evaluation with mean period of 14.5 months 50
patients(78%) were walking and 47 patients(92%) except 4 patients(A-A, three and C-C
on patient) had improved using Frankel's grade in patients with neurological deficits(51
patients). No patient deteriorated. Radiological and functional outcomes were satisfactory
in the majority of patients. In a comparison of the clinical outcomes between anterior
and posterior approaches. there was no statistically significant difference in neurological
outcome(the mean value of up-grade : anterior 1.05¡¾0.7, posterior 0.95¡¾0.9, p=0.42). but
in radiological outcomes. there were no significant differences between the two groups
in amount of restoration of vertebral compression (mean recovery rate ; anterior 61.5%,
posterior 50.9%) kyphotic deformity(mean recovery rate : anterior 47.9%, posterior 70.0%)
(p>0.05), but the only difference was in the restoration of canal narrowing. with the
anterior group more improved(recovery rate : anterior 86.4, posterior 74.3%)(p<0.05%) In
functional outcomes by Prolo's scale, the anterior group was better than the posterior
group(mean economic and functional status : anterior E(4, 4), F(4, 3) ; posterior E(3, 5),
F(3, 9). We conclude that aggressive decompression, instrumentation and bone fusion
has shown better clinical outcomes of the unstable thoracolumbar injured patients and
the choice of surgical approaches depends on the general condition, age, status of bone
mineral density, specific injury mechanism, radiological findings, and grade of neural
injury at the time of injury of these patients.

Å°¿öµå

Unstable thoracolumbar spine; Instrumentation and fusion; Clinical outcomes;

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