Predisposing factors in degenerative spondylolisthesis

Cinotti, Gianluca; Postacchini, Franco; Fassari, Fausto M.; Urso, S

doi:10.1007/s002640050180

Cited by 76 publications

(51 citation statements)

References 26 publications

(36 reference statements)

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“…Showing the difference of the facet joint angle between patients with degenerative spondylolisthesis and controls, Sato et al [18] have stated that individuals with sagittal facet joints are candidates for degenerative spondylolisthesis. Other investigators [3,5,11,14,16] had similar findings in their studies, some of which included normal control subjects. However, the ages of patients with degenerative spondylolisthesis and the control subjects were not matched so the judgement might be biased.…”

Section: Discussionsupporting

confidence: 65%

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Orientation and tropism of lumbar facet joints in degenerative spondylolisthesis

Dai

2001

International Orthopaedics (SICOT)

108

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The orientation and tropism of the lumbar facet joints at L4-5 level was assessed by magnetic resonance imaging (MRI) in 53 patients with degenerative L4-5 spondylolisthesis and 53 age-and sex-matched normal control subjects. The degree of disc degeneration at the L4-5 level and of vertebral slip on lateral radiographs was also evaluated. Patients with degenerative spondylolisthesis had more sagittally orientated facet joints (P<0.01) and more significant facet joint tropism (P<0.05) than normal control subjects. For patients with degenerative spondylolisthesis, the facet joint tropism was significantly correlated with the degree of disc degeneration (P<0.05). The results suggest that morphological abnormalities of the lumbar facet joints are a predisposing factor in the development of degenerative spondylolisthesis.Résume L'orientation et la divergence des facettes articulaires postérieures à l'étage L4-L5 ont été étudiées par IRM chez 53 patients porteurs d'un spondylolisthésis dégénératif et chez 53 patients témoins d'âge et de sexe correspondants. L'atteinte du disque L4-L5 et le glissement vertébral ont aussi été évalués. Chez les patients atteints de spondylolisthésis dégénératif, les facettes sont plus sagittales (P<0.01) et plus divergentes (P<0.05) que dans le groupe témoin et cette divergence est corrélée avec le degré de dégénérescence discale (P<0.05). Ces résultats suggèrent que les anomalies morphologiques des facettes articulaires lombaires prédisposent au déve-loppement du spondylolisthésis dégénératif.

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Section: Discussionsupporting

confidence: 65%

“…Furthermore, some studies have suggested an association between sagittal alignment of the facet joint and degenerative spondylolisthesis [3,5,9,11,14,16,18]. However, the role of facet tropism in degenerative spondylolisthesis is not clear.…”

Section: Introductionmentioning

confidence: 99%

Orientation and tropism of lumbar facet joints in degenerative spondylolisthesis

Dai

2001

International Orthopaedics (SICOT)

108

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“…No difference has been reported in the incidence of spondylolysis or spondylolisthesis between patients with LSTVs and controls. 2,5,10,46 It has been observed that in patients with lytic spondylolisthesis, there is a greater degree of slip seen at the L4 -5 level above an L5 transition compared with the L5-S1 level above an S1 transition. 47 Connolly et al, 17 in a series of 48 patients with low back pain and an LSTV, showed increased uptake at the anomalous articulation between the transverse process of the LSTV and the sacrum in 81% of patients.…”

Section: Fig 11mentioning

confidence: 99%

Lumbosacral Transitional Vertebrae: Classification, Imaging Findings, and Clinical Relevance

Konin

Walz²

2010

AJNR Am J Neuroradiol

291

262

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SUMMARY:LSTVs are common within the spine, and their association with low back pain has been debated in the literature for nearly a century. LSTVs include sacralization of the lowest lumbar vertebral body and lumbarization of the uppermost sacral segment. These vertebral bodies demonstrate varying morphology, ranging from broadened transverse processes to complete fusion. Low back pain associated with an LSTV may arise from the level above the transition, the contralateral facet when unilateral, and/or the anomalous articulation when present. Although this association is still somewhat controversial, beyond dispute is the importance of identifying an LSTV in patients in whom a surgical or interventional procedure is planned. This is essential to avoid an intervention or surgery at an incorrect level. In this article, each of these issues will be addressed with attention to identifying and correctly numbering LSTVs as well as detecting imaging findings related to the genesis of low back pain.ABBREVIATIONS: AP ϭ anteroposterior; LSTV ϭ lumbosacral transitional vertebra L STVs are congenital spinal anomalies defined as either sacralization of the lowest lumbar segment or lumbarization of the most superior sacral segment of the spine. LSTVs are common in the general population, with a reported prevalence of 4%-30%.1-15 The degree of morphologic variation of these segments ranges from L5 vertebrae with broadened elongated transverse processes to complete fusion to the sacrum. Conversely, the S1 vertebral segment can show varying degrees of lumbarization, such as the formation of an anomalous articulation rather than fusion to the remainder of the sacrum, well-formed lumbar-type facet joints, a more squared appearance in the sagittal plane, as well as a well-formed fully-sized disk, rather than the smallersized disk typically seen between S1 and S2.

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“…A relationship between transitional vertebrae and the degree of slippage in spondylolytic spondylolisthesis has been 19,26 established.…”

Section: )mentioning

confidence: 99%

Incidence of lumbosacral transitional vertebrae in low back pain patients

et al. 2006

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The aim of this study is to determine by plain radiography if there is a relationship between lumbosacral transitional vertebrae (LSTV) and low back pain (LBP) The correlation or relationship between LSTV and LBP has been highly controversial. Widely varying and contrasting findings have been reported by various investigators. While some studies have indicated the etiological significance of LSTV in LBP, others have strongly refuted this. 300 radiographs of patients seen in 1999 and 2000, in the Radiology department, complaining of LBP were randomly chosen. The radiographs were examined, studied and data collected were analysed and reported. Of the total number of patients seen, 143 (48%) were males and 157 (52%) were females. The incidence of LSTV was found to be 37% and with a male preponderance. This incidence of 37% is quite high and can not be discountenanced.

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Predisposing factors in degenerative spondylolisthesis

Cited by 76 publications

References 26 publications

Orientation and tropism of lumbar facet joints in degenerative spondylolisthesis

Orientation and tropism of lumbar facet joints in degenerative spondylolisthesis

Lumbosacral Transitional Vertebrae: Classification, Imaging Findings, and Clinical Relevance

Incidence of lumbosacral transitional vertebrae in low back pain patients

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