Efficacy and radiographic analysis of oblique lumbar interbody fusion in treating lumbar degenerative spondylolisthesis
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ORIGINAL ARTICLE
Efficacy and radiographic analysis of oblique lumbar interbody fusion in treating lumbar degenerative spondylolisthesis with sagittal imbalance Min-soo Cho 1 & Eun-Min Seo 1 Received: 1 June 2020 / Revised: 14 August 2020 / Accepted: 7 September 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The aim of this study was to evaluate the effectiveness of OLIF (oblique lumbar interbody fusion) in the treatment of lumbar degenerative spondylolisthesis with sagittal imbalance. Fifty-nine patients were included in our analysis. Included patients were divided into 2 groups according to the surgical techniques: PLIF (posterior lumbar interbody fusion) (n = 31) and OLIF + PSF (OLIF combined with posterior spinal fixation) (n = 28). Perioperative radiographic parameters, complications, and clinical outcome from each group were assessed and compared. The operation time for both groups was 165.1 min in the OLIF group and 182.1 min in the PLIF group (P < 0.05). The intraoperative blood loss was 190.6 ml in the OLIF group and 356.3 ml in the PLIF group (P < 0.05). The number of intraoperative and postoperative complications for both groups was 7 in the OLIF group and 11 in the PLIF group. Significant clinical improvement was observed in VAS scores and ODI when comparing preoperative evaluation and final follow-up. The preoperative SVA (the distance from the posterosuperior corner of S1body to the C7 plumb line), PI (pelvic incidence), LL (lumbar lordosis), PI-LL mismatch, DH (disc height), and lumbar Cobb angles of both groups were similar. The postoperative and final follow-up SVA, LL, PI-LL mismatch, and disc height were improved in both groups, and a statistical difference was found between both groups (P < 0.05). An improvement of SVA, LL, PI-LL mismatch, and disc height at the OLIF group was better than that found at the PLIF group. An improvement in radiographic and clinical outcomes for the OLIF group was better than that seen for the PLIF group. Then, OLIF had a more curative effect in lumbar degenerative spondylolisthesis with sagittal imbalance. Keywords Lumbar degenerative spondylolisthesis . Sagittal imbalance . Oblique lumbar interbody fusion . Posterior lumbar interbody fusion
Introduction The definition of lumbar spondylolisthesis is a slip of the upper vertebral body relative to the lower vertebral body. The cause of lumbar spondylolisthesis can be divided into degeneration, isthmic lysis, dysplasia, and trauma. Degenerative lumbar spondylolisthesis is the most common. Lumbar spondylolisthesis presents a certain sagittal imbalance and specially shows a strong relationship in higher grade and (or) multi-level lumbar spondylolisthesis [10].
* Eun-Min Seo [email protected] 1
Department of Orthopedic Surgery, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, #153, Kyo-dong, Chuncheon, Kangwon-do 24253, South Korea
This is in large part due to conservative treatment options being relatively inferior; thus, lumbar spondylolisthesis with sagittal imb
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