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Minimally invasive transforaminal lumbar interbody fusion using a single interbody cage and a tubular retraction system : technical tips, and perioperative, radiologic and clinical outcomes

Authors
 Chang Kyu Lee  ;  Jeong Yoon Park  ;  Ho Yeol Zhang 
Citation
 Journal of Korean Neurosurgical Society, Vol.48(3) : 219-224, 2010 
Journal Title
 Journal of Korean Neurosurgical Society 
ISSN
 2005-3711 
Issue Date
2010
Abstract
OBJECTIVE: A minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) has recently been introduced. However, MIS TLIF is a technically challenging procedure. The authors performed retrospective analysis about MIS TLIF using a single interbody cage. METHODS: Twenty-eight consecutive patients were treated by MIS TLIF. Of these 28 patients, 20 patients were included in this retrospective study. Perioperative, clinical, and radiologic outcomes were assessed. Clinical outcomes were assessed using Oswestry Disability Index (ODI) and Visual Analogue Scores (VAS). Fusion rates and cross-sections of operated spinal canals were assessed by CT. RESULTS: Twelve patients underwent MIS TLIF at one segment and 8 patients at two segments (L3/4: 4, L4/5: 17, L5/S1: 7). Operation time for a single segment was 131.7 min and for two segment was 201.4 min, and corresponding blood losses were 208.3 mL and 481.2 mL, respectively. ODI and VAS scores were significantly improved at 6 months postop (ODI from 30.32 to 15. 54, VAS from 7.80 to 2.20, p = 0.001). Twenty-two segments (78.6%) achieved grade I fusion, 4 segments (14.3%) achieved grade II, 2 segments (7.1%) achieved grade III and 0 segments achieved grade IV at 12 months. Postoperatively at 12 months, spinal canal cross sectional areas at disc spaces significantly increased from 157.5 to 294.3 mm(2) (p = 0.012). CONCLUSION: MIS TLIF achieved good clinical outcomes and high fusion rates. Our findings show that MIS TLIF performed with a single interbody cage and a tubular retractor system can be used as a standard MIS TLIF technique
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DOI
10.3340/jkns.2010.48.3.219
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Park, Jeong Yoon(박정윤) ORCID logo https://orcid.org/0000-0002-3728-7784
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/103207
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