Document Detail

Instrumented Minimally Invasive spinal-Transforaminal Lumbar Interbody Fusion (MIS-TLIF); Minimum 5-years Follow-up With Clinical and Radiologic Outcomes.
MedLine Citation:
PMID:  23027364     Owner:  NLM     Status:  Publisher    
STUDY DESIGN:: A retrospective study. OBJECTIVE:: To determine the clinical and radiological outcomes of the long-term results of instrumented MIS-TLIF in unstable, single level, low-grade, isthmic spondylolisthesis (IS) or degenerative spondylosis (DS) including degenerative spondylolisthesis, foraminal stenosis with central stenosis, degenerative disc disease, and recurrent disc herniation. SUMMARY OF BACKGROUND DATA:: MIS-TLIF is a common surgical procedure to treat lumbar spondylolisthesis. However, there are no studies that have documented the long-term results of MIS-TLIF. METHODS:: Forty-four patients who had undergone instrumented MIS-TLIF between July 2003 and January 2005, were retrospectively reviewed. The Visual Analogue Scale (VAS), Oswestry Disability Index (ODI), patient satisfaction rate (PSR), and the patient's return-to-work status were used to assess clinical and functional outcomes. Radiological follow-up were carried out in patients to check for adjacent segmental degeneration (ASD). The plain radiographs, CT and MRI were used in all patients in last follow-up period. RESULTS:: The mean VAS scores for back and leg pain decreased from 5.8 and 7 to 3.5 and 3.7 respectively in the DS group (n=19) and from 6.8 and 6.9 to 1.8 and 2.0 respectively in the IS group (n=25) (P<0.001). The mean ODI scores improved from 61.7% to 21.5% in the DS group and from 53.9% to 16% in the IS group (P<0.001). PSR was 80% and 81% in the DS and IS groups, respectively. Evidence of fusion was observed radiologically in 24 (96%) and 19 (100%) of the patients in the IS and the DS group respectively, giving an overall fusion rate of 97.7% (43/44). The final ASD rate, observed using radiography, was 68.4% (13/19) in the DS, and 40% (10/25) in the IS group. However, 15.8% (3/19) in the DS and 4% (1/25) in the IS group had symptoms associated with ASD. CONCLUSIONS:: The long-term clinical and radiologic outcomes after instrumented MIS-TLIF in patients with unstable single-level spine are favorable.
Jin-Sung Kim; Byungjoo Jung; Sang-Ho Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-28
Journal Detail:
Title:  Journal of spinal disorders & techniques     Volume:  -     ISSN:  1539-2465     ISO Abbreviation:  J Spinal Disord Tech     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140323     Medline TA:  J Spinal Disord Tech     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Neurosurgery, Wooridul Spine Hospital, Seoul, Korea.
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