A survey of the “surgical and research” articles in the European Spine Journal, 2007

Mulholland, Robert C.

doi:10.1007/s00586-007-0571-z

Cited by 2 publications

(1 citation statement)

References 53 publications

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“…Lumbar spinal stenosis (LSS) is a common cause of back pain and often leads to neurogenic claudication which requires decompression surgery [1][2][3]. Although medical history, physical examination, and radiologic study are widely used for the diagnosis of LSS, the establishment of a LSS diagnosis lacks a well-accepted standard [4,5].…”

Section: Introductionmentioning

confidence: 99%

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

Yang¹,

Feng²,

Chen³

et al. 2021

Preprint

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Objectives: To investigate the role of gravity in the sedimentation of lumbar spine nerve roots using magnetic resonance (MR) imaging of various body positions. Methods: A total of 56 patients, who suffered from back pain and underwent conventional supine lumbar spine MR imaging, were selected from sanmen hospital database. All the patients were called back to our hospital to perform MR imaging in prone position or lateral position. Furthermore, the sedimentation sign (SedSign) was determined based on the suspension of the nerve roots in the dural sac on cross-sectional MR images, and 31 cases were rated as positive and another 25 cases were negative. Results: The mean age of negative SedSign group was significantly younger than that of positive SedSign group (51.7±8.7 vs 68.4±10.5, P<0.05). The constitutions of clinical diagnosis were significantly different between patients with a positive SedSign and those with a negative SedSign (P<0.001). Overall, nerve roots of the vast majority of patients (48/56, 85.7%) subsided to the ventral side of the dural sac on the prone MR images, although that of 8 (14.3%) patients remain stay in the dorsal side of dural sac. Nerve roots of only one patient with negative SedSign did not settle to the ventral dural sac, while this phenomenon occurred in 7 patients in positive SedSign group (4% vs 22.6%, P<0.001). In addition, the nerve roots of all the five patients subsided to the left side of dural sac on lateral position MR images. Conclusions: The nerve roots sedimentation followed the direction of gravity. Positive SedSign may be a MR sign of lumbar pathology involved the spinal canal.

show abstract

Section: Introductionmentioning

confidence: 99%

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

Yang¹,

Feng²,

Chen³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

Yang

Feng

Chen

et al. 2021

BMC Musculoskelet Disord

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Objectives To investigate the role of gravity in the sedimentation of lumbar spine nerve roots using magnetic resonance (MR) imaging of various body positions. Methods A total of 56 patients, who suffered from back pain and underwent conventional supine lumbar spine MR imaging, were selected from sanmen hospital database. All the patients were called back to our hospital to perform MR imaging in prone position or lateral position. Furthermore, the sedimentation sign (SedSign) was determined based on the suspension of the nerve roots in the dural sac on cross-sectional MR images, and 31 cases were rated as positive and another 25 cases were negative. Results The mean age of negative SedSign group was significantly younger than that of positive SedSign group (51.7 ± 8.7 vs 68.4 ± 10.5, P < 0.05). The constitutions of clinical diagnosis were significantly different between patients with a positive SedSign and those with a negative SedSign (P < 0.001). Overall, nerve roots of the vast majority of patients (48/56, 85.7%) subsided to the ventral side of the dural sac on the prone MR images, although that of 8 (14.3%) patients remain stay in the dorsal side of dural sac. Nerve roots of only one patient with negative SedSign did not settle to the ventral dural sac, while this phenomenon occurred in 7 patients in positive SedSign group (4% vs 22.6%, P < 0.001). In addition, the nerve roots of all the five patients subsided to the left side of dural sac on lateral position MR images. Conclusions The nerve roots sedimentation followed the direction of gravity. Positive SedSign may be a MR sign of lumbar pathology involved the spinal canal.

show abstract

A survey of the “surgical and research” articles in the European Spine Journal, 2007

Cited by 2 publications

References 53 publications

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

Gravity determines the direction of nerve roots sedimentation in the lumbar spinal canal

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