Spondylolisthesis in Children

Lonstein, John E.

doi:10.1097/00007632-199912150-00011

Cited by 149 publications

(37 citation statements)

References 81 publications

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“…Slip progression has been shown to occur more commonly with initial slippage greater than 50%. 16 Our study is further validated by reports of increased progression with increasing slip angle, 17 which we found to be significantly associated with progression. It is interesting to note that patient age was not directly correlated to progression of spondylolisthesis, even though age is significantly correlated to the severity of spondylolisthesis.…”

Section: Discussionsupporting

confidence: 81%

Predictive Value of Pelvic Incidence in Progression of Spondylolisthesis

Huang¹,

Bohlman²,

Thompson³

et al. 2003

Spine

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Section: Discussionsupporting

confidence: 81%

Predictive Value of Pelvic Incidence in Progression of Spondylolisthesis

Huang¹,

Bohlman²,

Thompson³

et al. 2003

Spine

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“…We, therefore, recommend the use of the posterior border of S1 as the landmark to measure Dubousset's LSA. With progression of slippage, the inferior endplate of L5 tends to become dysplastic [19,28] and the L5 vertebral body may adopt a trapezoidal shape [31]. Moreover, remodeling of the S1 endplate can occur and is referred to as sacral doming or rounding [20,31] (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…However, as the degree of slip progresses to higher grades, this relationship tends to become kyphotic in nature [23]. Some authors suggest that measuring the lumbosacral kyphosis is important in determining risk of progression [1,4,8,13,19,23,26].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, other authors suggest that correction of LSK is the most important aspect in the surgical management of spondylolisthesis, rather than the correction of the translational component of the deformity, as this restores global spinal balance, enhances the biomechanics of fusion, and can be protective against L5 nerve root stretch [4,6,8,14,16,17,19,21,25]. However, other authors have failed to show a correlation neither between LSK parameters and surgical outcome [11,24] nor between LSK and risk of progression or need for future surgery [10].…”

Section: Introductionmentioning

confidence: 99%

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Assessment of lumbosacral kyphosis in spondylolisthesis: a computer-assisted reliability study of six measurement techniques

et al. 2008

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Although recognized as an important aspect in the management of spondylolisthesis, there is no consensus on the most reliable and optimal measure of lumbosacral kyphosis (LSK). Using a custom computer software, four raters evaluated 60 standing lateral radiographs of the lumbosacral spine during two sessions at a 1-week interval. The sample size consisted of 20 normal, 20 low and 20 high grade spondylolisthetic subjects. Six parameters were included for analysis: Boxall's slip angle, Dubousset's lumbosacral angle (LSA), the Spinal Deformity Study Group's (SDSG) LSA, dysplastic SDSG LSA, sagittal rotation (SR), kyphotic Cobb angle (k-Cobb). Intra-and inter-rater reliability for all parameters was assessed using intra-class correlation coefficients (ICC). Correlations between parameters and slip percentage were evaluated with Pearson coefficients. The intra-rater ICC's for all the parameters ranged between 0.81 and 0.97 and the interrater ICC's were between 0.74 and 0.98. All parameters except sagittal rotation showed a medium to large correlation with slip percentage. Dubousset's LSA and the k-Cobb showed the largest correlations (r = -0.78 and r = -0.50, respectively). SR was associated with the weakest correlation (r = -0.10). All other parameters had medium correlations with percent slip (r = 0.31-0.43). All measurement techniques provided excellent inter-and intra-rater reliability. Dubousset's LSA showed the strongest correlation with slip grade. This parameter can be used in the clinical setting with PACS software capabilities to assess LSK. A computer-assisted technique is recommended in order to increase the reliability of the measurement of LSK in spondylolisthesis.

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“…Spina bifida occulta is associated with spondylolysis of the lumbar spine in 11.8-35% of patients [2,5,7]. There have been reports of increased incidence of posterior spine defects in association with isthmic spondylolisthesis [9,10], although no aetiological connection has been recognised [4].…”

Section: Discussionmentioning

confidence: 99%

Spina bifida occulta in isthmic spondylolisthesis: a surgical trap

et al. 2001

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IntroductionSpondylolisthesis is a common aetiology of back pain in children and adolescents. Surgical treatment is frequently instituted to manage symptoms. Spina bifida occulta, which has an incidence of 5% in the general population, has been reported in one-third of patients with the isthmic type of spondylolisthesis [10]. This possible co-existence should be examined prior to surgery by pelvic outlet views, computed tomographic (CT) scanning or magnetic resonance (MR) imaging. If this is not done, significant risk exists for inadvertent damage to the dura and dural sac elements during the approach to the posterior spine. Case reportAn 11-year-old girl presented with progressive limitation of activities as a result of low back pain. Recurrent hamstring injury prevented sporting activities and ballet. Clinical examination revealed exaggerated lumbar lordosis, hamstring muscle spasm and marked restriction of forward flexion of the lumbar spine. Neurological examination was normal.Abstract An 11-year-old girl presented with symptomatic grade IIB isthmic type spondylolisthesis, with an elongated pars, confirmed on magnetic resonance imaging (MRI). Posterolateral in situ fusion of L5/S1 was performed. At surgery, a significant bony defect in the posterior aspect of S1 was noted. Awareness of this possible co-existence is paramount if iatrogenic damage to neural elements is to be avoided during surgery. Keywords

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Spondylolisthesis in Children

Cited by 149 publications

References 81 publications

Predictive Value of Pelvic Incidence in Progression of Spondylolisthesis

Predictive Value of Pelvic Incidence in Progression of Spondylolisthesis

Assessment of lumbosacral kyphosis in spondylolisthesis: a computer-assisted reliability study of six measurement techniques

Spina bifida occulta in isthmic spondylolisthesis: a surgical trap

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