Surgical Management of Low Grade Isthmic Spondylolisthesis with Posterior Fusion and Pedicular Screws Fixation With or Without Reduction (A Comparative Study)
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- Category: Vol. 80, June 2012
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Surgical Management of Low Grade Isthmic Spondylolisthesis with Posterior Fusion and Pedicular Screws Fixation With or Without Reduction (A Comparative Study),EMAD G.K. EL-BANNA
Abstract
Background: Spondylolisthesis is a condition in which a vertebra slips out of the proper position into the bone below it as a result of pars interarticularis defect. The slipped segment produces abnormal positioning of the vertebrae in relation to each other along the spinal column and causes mechanical back pain with or without radicular pain.
Material and Methods: The current study consisted of 40 patients aged 35-65 years (15 females and 25 males) treated for symptomatic spondylolisthesis between January, 2008 and January, 2010. All patients were randomly distributed into two groups I and II. Twenty patients were in Group I; they underwent reduction of the slipped vertebrae by using Reduc-tion-Screw Technique and posterior lumbar inter-transverse process fusion. Group II consisted of twenty patients who underwent the same technique used in group I but without reduction. All patients in this study had same pre and post operative management.
Results: Only one case had broken screw in group I that required revision. Superficial wound infection was experienced in two patients. The outcome in both groups was variable on the short term but was almost the same on the long term follow-up.
Conclusion: Surgical management of symptomatic low grade spondylolisthesis should include neural decompression and surgical fixation. Reduction of slipped vertebral bodies is unnecessary as the ultimate outcome will be likely similar.