Volume 8 - Continuous publishing                   Iran J Neurosurg 2022, 8 - Continuous publishing: 17-17 | Back to browse issues page

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Mousavi S T, Iranmehr A, Gholipour P, Namvar M, Bahrami Ilkhchi R, Fattahi M R et al . The Effect of Rod Bending on Long-Term Lumbar Sagittal Parameters in Spondylolisthesis Treated With Short Segment Posterior Fusion: A Randomized Clinical Trial. Iran J Neurosurg 2022; 8 :17-17
URL: http://irjns.org/article-1-315-en.html
1- Department of Neurosurgery, Tabriz University of medical sciences, Tabriz, Iran
2- Neurological surgery Department, Imam Khomeini Hospital Complex (IKHC), Tehran University of Medical Sciences, Tehran, Iran
3- Tehran University of medical sciences, Tehran, Iran
4- Neurological surgery Department, Imam Khomeini Hospital Complex (IKHC), Tehran University of Medical Sciences, Tehran, Iran , kazmo885@gmail.com
Abstract:   (522 Views)
Background: although rod bending is a universal method for maintaining Lumbar lordosis, its long term efficacy in short-segment posterior fusion is in doubt. The present study aims to evaluate the long term effect of rod bending in spondylolisthesis patients with a short segment fusion.
Methods: a double-blinded prospective randomised clinical trial was conducted from 2016-to 2018. Patients who met our inclusion/exclusion criteria were enrolled in the study and randomised in two treatment arms: open posterior fusion with rod bending and without rod bending. Baseline data, including leg and back pain scores, were evaluated before surgery. Lumbar Lordosis, Focal and Segmental lordosis were measured before surgery. After surgery and after a one year follow up, pain scores and lordosis measurements were re-evaluated and compared between and within groups.
Results: 60 patients were eventually analysed. Leg and back pain scores improved significantly after follow up in both groups (p<0.0001). However, there was no significant difference between the two groups before or after surgery. Lumbar Lordosis did not change in either group after surgery. Focal and segmental lordosis was increased in both groups significantly but did not have any differences between the groups at either time. Complications were not considerably different in either group.
Conclusion: in our study, no significant difference in regards to radiological and pain outcomes was observed in either group, and hence the aim of rod bending is reaching a desired lumbar lordosis, it may be unnecessary to spend time on rod bending.
Type of Study: Clinical Trial | Subject: Spine

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