ArticleJournal of orthopaedic surgery and research2021
Repair of symptomatic bilateral L5 spondylolysis with autogenous iliac crest graft and temporary intersegmental pedicle screw fixation in youth.
Article in Journal of orthopaedic surgery and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Triple Procedure for Direct Pars Repair: An Innovative, Non-fusion Approach for Managing Spondylolysis in Late Adolescence or Early Adulthood.Journal of orthopaedic case reports · 2026Article
- Transforaminal endoscopic discectomy with temporary percutaneous pedicle screw fixation as a fusion-sparing approach for giant recurrent L4/5 disc herniation and iatrogenic pars fracture in a young female: a case report.Journal of spine surgery (Hong Kong) · 2026Article
- Biomechanical finite element methods study of a novel internal fixation system for lumbar spondylolysis.Frontiers in bioengineering and biotechnology · 2026Article
- Comparative outcomes of motion-preserving techniques for lumbar spondylolysis in young athletes.BMC musculoskeletal disorders · 2025Article
- Buck technique supplemented by temporary intersegmental pedicle screw fixation to repair lumbar spondylolysis in youth.Journal of orthopaedic surgery and research · 2024Article
- Factors associated with non-fusion after direct pars repair of lumbar spondylolysis with pedicle screw and lamina hook: a clinical and CT-assessed study.BMC musculoskeletal disorders · 2024Article
- Association of Pars Defect Type with Clinical Outcome after Smiley Face Rod Methods for Terminal-Stage Spondylolysis.Spine surgery and related research · 2024Article
- Biomechanical evaluation of lumbar spondylolysis repair with various fixation options: A finite element analysis.Frontiers in bioengineering and biotechnology · 2022Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundWhen symptomatic spondylolysis fail to respond to nonoperative treatment, surgical management may be required. A number of techniques have been described for repair by intrasegmental fixation with good results; however, there are still some problems. We reported a repair technique with temporary intersegmental pedicle screw fixation and autogenous iliac crest graft. The aim of present study is to assess the clinical outcomes of L5 symptomatic spondylolysis with this technique.
methodsA retrospective analysis of 128 patients with L5 spondylolysis treated with this method was performed. According to CT scan, the spondylolysis were classified into 3 categories: line, intermediate, and sclerosis type. The diagnostic block test of L5 bilateral pars defect was done in all patients preoperatively. The sagittal and axial CT images were used to determine the bone union. The healing time, complications, number of spina bifida occulta, Japanese Orthopedic Association (JOA) score, and VAS for back pain were recorded. After fixation removal, the rate of ROM preservation at L5S1 was calculated.
resultsThere were 97 patients (194 pars) followed with mean follow-up of 23 months (range, 12-36 months). The union rate of pars was 82.0% at 12 months and 94.3% at 24 months postoperatively. Low back pain VAS significantly (P < 0.05) improved from preoperative mean value of 7.2 to 1.3 at the final follow-up postoperatively (P < 0.05). JOA score increased significantly postoperatively (P < 0.05) with average improvement rate of 79.3%. The rates of L5S1 ROM preservation were 79.8% and 64.0% after fixation removal at 1 and 2 years postoperatively. There were 3 patients of delayed incision healing without other complications.
conclusionsAlthough sacrificing L5S1 segment motion temporarily, more stability was obtained with intersegmental fixation. This technique is reliable for spondylolysis repair which has satisfactory symptom relief, high healing rate, low incidence of complications, and preserve a large part of ROM for fixed segment.
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