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Defining the inherent stability of degenerative spondylolisthesis: a systematic review
- Source :
- Journal of neurosurgery. Spine. 23(2)
- Publication Year :
- 2015
-
Abstract
- OBJECT A range of surgical options exists for the treatment of degenerative lumbar spondylolisthesis (DLS). The chosen technique inherently depends on the stability of the DLS. Despite a substantial body of literature dedicated to the outcome analysis of numerous DLS procedures, no consensus has been reached on defining or classifying the disorder with respect to stability or the role that instability should play in a treatment algorithm. The purpose of this study was to define grades of stability and to develop a guide for deciding on the optimal approach in surgically managing patients with DLS. METHODS The authors conducted a qualitative systematic review of clinical or biomechanical analyses evaluating the stability of and surgical outcomes for DLS for the period from 1990 to 2013. Research focused on nondegenerative forms of spondylolisthesis or spinal stenosis without associated DLS was excluded. The primary extracted results were clinical and radiographic parameters indicative of DLS instability. RESULTS The following preoperative parameters are predictors of stability in DLS: restabilization signs (disc height loss, osteophyte formation, vertebral endplate sclerosis, and ligament ossification), no disc angle change or less than 3 mm of translation on dynamic radiographs, and the absence of low-back pain. The validity and magnitude of each parameter’s contribution can only be determined through appropriately powered prospective evaluation in the future. Identifying these parameters has allowed for the creation of a preliminary DLS instability classification (DSIC) scheme based on the preoperative assessment of DLS stability. CONCLUSIONS Spinal stability is an important factor to consider in the evaluation and treatment of patients with DLS. Qualitative assessment of the best available evidence revealed clinical and radiographic parameters for the creation of the DSIC, a decision aid to help surgeons develop a method of preoperative evaluation to better stratify DLS treatment options.
- Subjects :
- Joint Instability
medicine.medical_specialty
Lumbar Vertebrae
business.industry
Spinal stenosis
Radiography
technology, industry, and agriculture
Outcome analysis
Stability (learning theory)
Lumbosacral Region
General Medicine
medicine.disease
Degenerative spondylolisthesis
Decompression, Surgical
Spondylolisthesis
Disc height
medicine.anatomical_structure
Physical medicine and rehabilitation
Spinal Stenosis
Physical therapy
Ligament
Medicine
Humans
business
Subjects
Details
- ISSN :
- 15475646
- Volume :
- 23
- Issue :
- 2
- Database :
- OpenAIRE
- Journal :
- Journal of neurosurgery. Spine
- Accession number :
- edsair.doi.dedup.....6191994c75dadae1e7334b9e4c23639e