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KMID : 0359819950240050565
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Journal of Korean Neurosurgical Society
1995 Volume.24 No. 5 p.565 ~ p.573
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Posterior Lumbar Interbody Fusion with Pedicle Screw Fixation for Lumbar Spondylolisthesis
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Abstract
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The theoretical advantages of spondlylolisthesis reduction-fixation are substantial but some questions such as excessive risk and morbidity relative to in situ fusion remain remain unresolved yet. This study included 10 consecutive patients (2
male. 8
female) who underwent posterior lumbar interbody fusion (PLIF) with transpedicular instrumentation (AKIFA) pedicular screw system) over the past six menths from July to December 1993. All patients were isthmic type. adult 9between 30 and 57 ) and
between grades I and II. Claudication was the most common symptom. All patients we5re operated upon by one surgeon (C. K. P.) and follow-up was conducted through patient interviews and examinations. both clinically and rediologically. The
patients
were
followed postoperatively from 6 to 12 months. There were no neurologic complication related to the procedures. the clinical outcomes assessed more than 6 months postoperatively were as follows : improvement. 9/10 ; stationary 1/10.
Radiologically.
the
mean reduction rate of slippage (preoperative percentage slip-postoperative one×100) was 44.3% and all patients developed solid fusion. In conclusion. patients who underwent PLIF supplemented with transpedicular fixation had good overall
clinical
and
radiological outcomes without significant neurological complications related to PLIF or screw placement.
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KEYWORD
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