{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T11:19:14Z","timestamp":1761823154583},"reference-count":26,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2002,10]]},"abstract":"<jats:p content-type=\"fine-print\"><jats:italic>Object.<\/jats:italic> The authors conducted a study to determine the results of decompressive surgery without fusion in selected patients who presented with radicular compression syndromes caused by degenerative lumbar spondylolisthesis and in whom there was no evidence of hypermobility on flexion\u2014extension radiographs.<\/jats:p>\n<jats:p content-type=\"fine-print\"><jats:italic>Methods.<\/jats:italic> The medical records and radiographs obtained in 49 patients were reviewed retrospectively. Clinical status was quantified by summing self-assessed Prolo Scale scores. All 49 patients (55% female, mean age 68.7 years) presented with leg pain accompanied by lumbalgia in 85.7% of the cases. Preoperatively the median sum of Prolo Scale scores was 4. The mean preoperative degree of forward vertebral displacement was 13.5% and was located at L-4 in 67% of the cases. Osseous decompression alone was performed in 53%, and an additional discectomy at the level of displacement was undertaken in the remaining patients because of herniated discs. Major complications (deep wound infection) occurred in 2%. During a mean follow-up period of 3.73 years, 10.2% of the patients underwent instrumentation-assisted lumbar fusion when decompression alone failed to resolve symptoms. At last follow up the median overall Prolo Scale score was 8. Excellent and good results were demonstrated in 73.5% of the patients. Prolonged back pain (r = 0.381) as well as the preoperative degree of displacement (r = 0.81) and disc space height (r = 0.424) influenced outcome (p \u2264 0.05); additional discectomy for simultaneous disc herniation at the displaced level did not influence outcome (p &gt; 0.05).<\/jats:p>\n<jats:p content-type=\"fine-print\"><jats:italic>Conclusions.<\/jats:italic> These results appear to support a less invasive approach in this subgroup of elderly patients with degenerative lumbar spondylolisthesis\u2014induced radicular compression syndromes and without radiographically documented hypermobility. Additional discectomy for simultaneous disc herniation of the spondylolisthetic level did not adversely influence the outcome. Complication rates are minimized and fusion can eventually be performed should decompression alone fail. A prospective controlled study is required to confirm these results.<\/jats:p>","DOI":"10.3171\/spi.2002.97.3.0281","type":"journal-article","created":{"date-parts":[[2009,5,7]],"date-time":"2009-05-07T15:54:19Z","timestamp":1241711659000},"page":"281-286","source":"Crossref","is-referenced-by-count":9,"title":["Degenerative lumbar spondylolisthesis\u2014induced radicular compression: nonfusion-related decompression in selected patients without hypermobility on flexion\u2014extension radiographs"],"prefix":"10.3171","volume":"97","author":[{"given":"Rudolf A.","family":"Kristof","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ales F.","family":"Aliashkevich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Schuster","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernhard","family":"Meyer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Horst","family":"Urbach","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Johannes","family":"Schramm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"key":"b1","series-title":"Acta Neurochir","doi-asserted-by":"publisher","first-page":"1273","DOI":"10.1007\/s007010050430","article-title":"Does additional discectomy and the degree of dural sac compression influence the outcome of decompressive surgery for lumbar spinal stenosis?","volume":"141","author":"Aliashkevich","year":"1999"},{"key":"b2","series-title":"Spine","doi-asserted-by":"publisher","first-page":"1721","DOI":"10.1097\/00007632-199908150-00014","article-title":"Minimum 5-year results of degenerative spondylolisthesis treated with decompression and instrumented posterior fusion.","volume":"24","author":"Booth","year":"1999"},{"key":"b3","series-title":"J Spinal Disord","doi-asserted-by":"publisher","first-page":"461","DOI":"10.1097\/00002517-199306060-00001","article-title":"The role of fusion and instrumentation in the treatment of degenerative spondylolisthesis with spinal stenosis.","volume":"6","author":"Bridwell","year":"1993"},{"key":"b4","series-title":"Int Orthop","doi-asserted-by":"publisher","first-page":"337","DOI":"10.1007\/s002640050180","article-title":"Predisposing factors in degenerative spondylolisthesis. 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A 25-year follow-up study in Framingham.","volume":"23","author":"Kauppila","year":"1998"},{"key":"b13","series-title":"Clin Orthop","first-page":"110","article-title":"Instability of the lumbar spine.","volume":"165","author":"Kirkaldy-Willis","year":"1982"},{"key":"b14","series-title":"Spine","doi-asserted-by":"publisher","first-page":"1533","DOI":"10.1097\/00007632-200006150-00012","article-title":"Prospective study of surgical treatment of degenerative spondylolisthesis: comparison between decompression alone and decompression with graf system stabilization.","volume":"25","author":"Konno","year":"2000"},{"key":"b15","series-title":"Spine","doi-asserted-by":"publisher","first-page":"S2256","DOI":"10.1097\/00007632-199410151-00002","article-title":"Degenerative lumbar spondylolisthesis: a meta-analysis of literature 1970\u20131993.","volume":"19","author":"Mardjetko","year":"1994"},{"key":"b16","series-title":"Acta Neurochir","doi-asserted-by":"publisher","first-page":"136","DOI":"10.1007\/BF02112032","article-title":"Surgical management of neurogenic claudication in 100 patients with lumbar spinal stenosis due to degenerative spondylolisthesis.","volume":"120","author":"Markwalder","year":"1993"},{"key":"b17","series-title":"J Neurosurg (Spine 2)","doi-asserted-by":"publisher","first-page":"194","DOI":"10.3171\/spi.2000.93.2.0194","article-title":"Nonsurgically managed patients with degenerative spondylolisthesis: a 10- to 18-year follow-up study.","volume":"93","author":"Matsunaga","year":"2000"},{"key":"b18","series-title":"Spine","doi-asserted-by":"publisher","first-page":"1204","DOI":"10.1097\/00007632-199011010-00021","article-title":"Natural history of degenerative spondylolisthesis Pathogenesis and natural course of the slippage.","volume":"15","author":"Matsunaga","year":"1990"},{"key":"b19","series-title":"Clin Orthop","first-page":"126","article-title":"How to stabilize a single level lesion of degenerative lumbar spondylolisthesis.","volume":"368","author":"Mochida","year":"1999"},{"key":"b20","series-title":"Spine","doi-asserted-by":"publisher","first-page":"561","DOI":"10.1097\/00007632-199903150-00012","article-title":"Patient outcomes after decompression and instrumented posterior spinal fusion for degenerative spondylolisthesis.","volume":"24","author":"Nork","year":"1999"},{"key":"b21","series-title":"Acta Neurochir","doi-asserted-by":"publisher","first-page":"188","DOI":"10.1007\/BF02187192","article-title":"Surgical treatment of degenerative spondylolisthesis in the lumbar spine: no reposition without prior decompression.","volume":"137","author":"Pl\u00f6tz","year":"1995"},{"key":"b22","series-title":"Spine","doi-asserted-by":"publisher","first-page":"374","DOI":"10.1097\/00007632-198207000-00008","article-title":"A biomechanical analysis of the clinical stability of the lumbar and lumbosacral spine.","volume":"7","author":"Posner","year":"1982"},{"key":"b23","series-title":"Spine","doi-asserted-by":"publisher","first-page":"1043","DOI":"10.1097\/00007632-199905150-00020","article-title":"Surgical management of lumbar spinal stenosis.","volume":"24","author":"Postacchini","year":"1999"},{"key":"b24","series-title":"Spine","doi-asserted-by":"publisher","first-page":"601","DOI":"10.1097\/00007632-198607000-00012","article-title":"Toward uniformity in evaluating results of lumbar spine operations. 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