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Comparative Measurements of Preoperative and Postoperative Radiological and Clinical Parameters of Direct Lumbar Interbody Fusion in Degenerative Spinal Disease Patients

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2019, 26(4), pp.126-131
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery
  • Published : December 31, 2019

Changhwa Hong ORD ID 1 Kim Woo Jong ORD ID 2 Yong Cheol Hong 2 SOH JAE WAN ORD ID 2 Chang Hyun Kim 2 Hee June Chang 2

1순천향대학교 의과대학 천안병원 정형외과학교실
2순천향대학교 천안병원 정형외과학교실

Accredited

ABSTRACT

Study Design: Retrospective study of prospectively-collected data. Objectives: To evaluate the radiological outcomes of direct lateral lumbar interbody fusion (DLIF). Summary of Literature Review: DLIF, as a minimally invasive spinal surgical procedure, is useful for degenerative spinal diseases. However, few reports have evaluated the clinical and radiological outcomes of DLIF in Korea. Materials and Methods: We analyzed 44 patients who underwent DLIF at our hospital from September 2015 to September 2017. Of these patients, 89 segments were included in this study. We measured preoperative and postoperative radiological values including the disc height, central canal area, height of the foramen, and segmental sagittal angle on magnetic resonance imaging. We also measured patients’ visual analogue scale (VAS) and Oswestry Disability Index (ODI) scores as clinical parameters. Results: Statistically significant improvements were found in the height of the left and right foramina (20.8% and 25.6%, respectively), the height of the intervertebral discs (86.0% and 84.3%, respectively), the cross-sectional area of the central nervous system (33.1%), lumbar lordosis, and the lumbar segmental angle (2.7° and 8.7°, respectively) after surgery. The VAS and ODI scores also showed significant improvements (65.7% and 67.7%, respectively) when compared with the preoperative level. Conclusions: DLIF was found to be effective for the treatment of diseases such as foraminal stenosis, degenerative spondylolisthesis,and adjacent segment diseases through indirect neuro-decompression of the bilateral foramina and central vertebrae. Key words: Spinal stenosis, Spinal fusion, Direct lateral lumbar interbody fusion

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