Can Unilateral Minimally Invasive Transforaminal Lumbar Interbody Fusion (MIS TLIF) Result in Sufficient Reduction in Spondylolisthesis?: A Comparison with Open TLIF and Bilateral MIS TLIF (척추 전방 전위증에서 일측성 접근을 통한 최소 침습 경추간공 요추 추체간 유합술로 충분한 정복 및 유합을 얻을 수 있는가?: 고식적 요추 추체간 유합술 및 양측성 최소 침습 요추 추체간 유합술과의 방사선학적결과 비교)

구기형; 이장연; 김재현

Can Unilateral Minimally Invasive Transforaminal Lumbar Interbody Fusion (MIS TLIF) Result in Sufficient Reduction in Spondylolisthesis?: A Comparison with Open TLIF and Bilateral MIS TLIF

Journal of Korean Society of Spine Surgery
Abbr : J Kor Spine Sur
2017, 24(2), pp.95-102
Publisher : Korean Society Of Spine Surgery
Research Area : Medicine and Pharmacy > Orthopedic Surgery

구기형 ¹, 이장연 ¹, 김재현 ¹

¹동국대학교 의과대학 정형외과학교실

Accredited

ABSTRACT

Study Design: Retrospective study. Objectives: To compare the radiologic results of unilateral or bilateral minimal invasive transforaminal lumbar interbody fusion (MIS TLIF) and conventional open lumbar interbody fusion. Summary of Literature Review: Only a few studies have compared the slip reduction and fusion rate between unilateral or bilateral MIS TLIF and conventional open TLIF. Materials and Methods: Between March 2007 and May 2015, 80 patients with single-level low-grade spondylolisthesis underwent unilateral MIS TLIF (26 patients), bilateral MIS TLIF (10 patients), or open TLIF (44 patients) by a single surgeon. Radiologic studies were performed preoperatively, 2 weeks postoperatively, and 12 months postoperatively. Slip reduction, the lumbar lordortic angle, and the fusion rate were analyzed. Results: The 3 groups exhibited significantly improved slip after operation. Significant differences were found among the 3 groups (p=0.015) and between the MIS TLIF group (31.76%±14.42%) and the open TLIF group (41.66%±15.98%) (p=0.01) in the slip reduction rate at 2 weeks after the operation. However, no significant difference was found between unilateral MIS TLIF and bilateral MIS TLIF (37.61%±15.0% vs. 29.5%±13.82%, p=0.148). In the lumbar lordotic angle, no significant difference was found among the 3 groups. There were no significant differences among the 3 groups in slip reduction or the fusion rate at 12 months after the operation. Conclusions: Our study suggests that unilateral MIS TLIF showed a similar slip reduction and fusion rate to bilateral MIS TLIF, but that conventional open TLIF showed better slip reduction than MIS TLIF, although it had a similar fusion rate.

KEYWORDS

Lumbar spine, Spondylolisthesis, Minimally invasive transforaminal lumbar interbody fusion, Slip reduction, Fusion rate

Citation status

* References for papers published after 2023 are currently being built.

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