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A Comparative Study of L4-L5-S1 and L5-S1 Vertebral Fusion in High-Grade L5-S1 Spondylolisthesis Publisher



Rezvani M1 ; Sabouri M2 ; Mahmoodkhani M3 ; Mokhtari A4 ; Tehrani DS5
Authors
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Authors Affiliations
  1. 1. Department of Neurosurgery, School of Medicine, Neurosciences Research Center, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Neurosurgery, School of Medicine, Medical Image and Signal Processing Research Center, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Neurosurgery, School of Medicine, Neurosciences Research Center, Kashani Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Neurosurgery, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Department of It, Shahid Beheshti University, Tehran, Iran

Source: Journal of Craniovertebral Junction and Spine Published:2021


Abstract

Introduction: One of the most common types of spinal diseases is spondylolisthesis, which in advanced cases requires surgical intervention. This study aimed to compare the results of L4-L5-S1 and L5-S1 vertebral fusion treatment in high-grade L5-S1 spondylolisthesis. Methods: A study design that randomized controlled trial. A total of 70 consecutive patients who underwent surgery for the treatment of spondylolisthesis at Al-Zahra Hospital in Isfahan, Iran, were evaluated from July 2020 to February 2021 (35 patients underwent L4-L5-S1 and 35 received L5-S1 vertebral fusion treatment). The radicular and low back pain (LBP) intensity (Vanguard Australian Shares), blood loss, wound infection, reduction, and quality of life (SF-12 scores) were quantified before the surgery, 1, 3, and 6 months after surgery in two groups. Results: Patients involved in the two groups had similar baseline demographic characteristics. The percent slip in L4-L5-S1 and L5-S1 group, respectively, postoperative 81.11% and 57.89%, P = 0.0001. Intraoperative blood loss and postoperative were higher in the L4-L5-S1 group when compared to the L5-S1 group (P < 0.05). The wound infection rate of the L4-L5-S1 group was similar to that of the L5-S1 group (8.6% vs. 2.9%, P = 0.303). There was no difference in radicular and LBP intensity, SF-12 scores among patients with L4-L5-S1 and L5-S1 groups (P < 0.05). Conclusion: Both L4-L5-S1 and L5-S1 were equally beneficial in improving short-term functional outcomes for patients with high grade L5-S1 spondylolisthesis. However, L4-L5-S1 was associated with statistically significant higher incidences of blood loss, but it was accompanied by a better reduction. Therefore, caution should be exercised when considering L4-L5-S1. © 2021 Wolters Kluwer Medknow Publications. All rights reserved.
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