Équilibre sagittal pelvi-rachidien et pathologies lombaires dégénératives : étude comparative à propos de 100 cas

Barrey, Cédric; Jund, J.; Noseda, Olivier; Roussouly, Pierre

doi:10.1016/s0028-3770(05)83619-7

Cited by 18 publications

(24 citation statements)

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“…It is negative when C7 plumbline projects posteriorly to the sacrum, and more than one when C7 plumbline projects from anterior to the femoral heads. In the normal population the mean value of this ratio is -0.9 ± 1 [1]. Fig.…”

Section: Global Balance Evaluationmentioning

confidence: 80%

“…Angular parameter is represented by the spino-sacral angle (SSA) and the ratio corresponds to the C7 plumbline/sacro-femoral distance ratio (C7/SFD). These two parameters have already been reported and validated [1,21].…”

Section: Global Balance Evaluationmentioning

confidence: 87%

“…The horizontal distance between C7 PL and the posterior corner of the sacrum (that is SC7 D) was also measured. Then we calculated the C7/SFD ratio corresponding to the ratio between SC7 distance and SF distance [1] The spino-sacral angle and the C7/SFD ratio permit to evaluate the global sagittal alignment of the spine above the pelvis. According to the severity of the imbalance, we propose to identify three different stages: balanced, balanced with compensatory mechanisms and imbalanced (Fig.…”

Section: Global Balance Evaluationmentioning

confidence: 99%

“…Similarly, patients with chronic low back pain and lumbar degenerative disease present with modifications of sagittal balance and are characterized by anterior sagittal imbalance, loss of lumbar lordosis, and increase of pelvis tilt [1,2,8,9]. The anterior imbalance in patients' population is mainly due to the loss of lumbar lordosis even if the part of the structural loss of lordosis and postural part may be difficult to differentiate.…”

Section: Introductionmentioning

confidence: 99%

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Compensatory mechanisms contributing to keep the sagittal balance of the spine

Barrey

Roussouly

Huec³

et al. 2013

Eur Spine J

376

244

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Introduction Aging spine is characterized by facet joints arthritis, degenerative disc disease, bone remodeling and atrophy of extensor muscles resulting in a progressive kyphosis of the lumbar spine. Objective The aim of this paper is to describe the different compensatory mechanisms for patients with severe degenerative lumbar spine. Material and methods According to the severity of the imbalance, three stages are observed: balanced, balanced with compensatory mechanisms and imbalanced. For the two last stages, the compensatory mechanisms permit to limit the consequences of loss of lumbar lordosis on global sagittal alignment and therefore contribute to keep the sagittal balance of the spine. Results The basic concept is to extend adjacent segments of the kyphotic spine allowing for compensation of the sagittal unbalance but potentially inducing adverse effects.Conclusion Finally, we propose a three-step algorithm to analyze the global balance status and take into consideration the presence of the compensatory mechanisms in the spinal, pelvic and lower limb areas.

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Section: Global Balance Evaluationmentioning

confidence: 80%

Section: Global Balance Evaluationmentioning

confidence: 87%

Section: Global Balance Evaluationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Compensatory mechanisms contributing to keep the sagittal balance of the spine

Barrey

Roussouly

Huec³

et al. 2013

Eur Spine J

376

244

View full text Add to dashboard Cite

show abstract

“…The reciprocal relation between SS and the lumbar curve features is considered as a fundamental component of the overall sagittal balance [15]. Moreover, many authors considered the middle of C7 as a fundamental point in the overall sagittal balance [2,14,22]. The reference parameter we used was the C7 PL, which is the vertical line starting from the middle of C7 and usually intersects the upper end (posterior) of the S1 plate (superior endplate of S1).…”

Section: S102mentioning

confidence: 99%

Treatment of kyphotic deformities in adults: our experience

et al. 2012

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Sagittal Balance, a Useful Tool for Neurosurgeons?

Villard

Ringel

Meyer

2013

Advances and Technical Standards in Neurosurgery

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New instrumentation techniques have made any correction of the spinal architecture possible. Sagittal balance has been described as an important parameter for assessing spinal deformity in the early 1970s, but over the last decade its importance has grown with the published results in terms of overall quality of life and fusion rate. Up until now, most of the studies have concentrated on spinal deformity surgery, but its use in the daily neurosurgery practice remains uncertain and may warrant further studies.

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Équilibre sagittal pelvi-rachidien et pathologies lombaires dégénératives : étude comparative à propos de 100 cas

Cited by 18 publications

References 0 publications

Compensatory mechanisms contributing to keep the sagittal balance of the spine

Compensatory mechanisms contributing to keep the sagittal balance of the spine

Treatment of kyphotic deformities in adults: our experience

Sagittal Balance, a Useful Tool for Neurosurgeons?

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