gms | German Medical Science

56. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie e. V. (DGNC)
3èmes journées françaises de Neurochirurgie (SFNC)

Deutsche Gesellschaft für Neurochirurgie e. V.
Société Française de Neurochirurgie

07. bis 11.05.2005, Strasbourg

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Sagittal balance of 100 patients with a lumbar degenerative disease: a comparative study

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  • corresponding author C. Barrey - Service de Neurochirurgie du Pr Perrin, Hôpital P. Wertheimer, Lyon
  • J. Jund - Département d'analyses statistiques, Centre Hospitalier de la Région Annecienne
  • O. Noseda - Service de Chirurgie Orthopédique, Clinique médico-chirurgicale des Massues, Lyon
  • P. Roussouly - Service de Chirurgie Orthopédique, Clinique médico-chirurgicale des Massues, Lyon

Deutsche Gesellschaft für Neurochirurgie. Société Française de Neurochirurgie. 56. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie e.V. (DGNC), 3èmes journées françaises de Neurochirurgie (SFNC). Strasbourg, 07.-11.05.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc09.05.-02.02

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/dgnc2005/05dgnc0007.shtml

Published: May 4, 2005

© 2005 Barrey et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by-nc-nd/3.0/deed.en). You are free: to Share – to copy, distribute and transmit the work, provided the original author and source are credited.

Outline

Text

Objective

The main objective of this study was to analyse spino-pelvic parameters in a population of 100 patients with a lumbar degenerative disease. We have also determinated the influence of the lumbar lordosis morphology on the type of lumbar degenerative pathology occured.

Methods

Four pathologies were considered : disc herniation, discopathy, lumbar stenosis and degenerative spondylolisthesis.

Spino-pelvic parameters were analysed on full spine radiographs. Pelvic parameters measured were: pelvic incidence, sacral slope and pelvic tilt. Spinal parameters measured were: lumbar lordosis, thoracic kyphosis, spino-sacral angle and the C7/SFD ratio. The type of lordosis according Massues classification was also determinated.

The population of 100 patients as each group of degenerative disease were compared with a control population of 160 asymptomatic adults that was the subject of a previous study.

Results

Each pathology was characterised by an antepulsed sagittal C7 plumb line, a loss of lordosis and a increase of the pelvic tilt.

No significant difference was found between the group of disc herniation and the group of discopathy concerning all spino-pelvic parameters. The two groups of patients demonstrated a pelvic incidence slightly decreased with a low sacral slope and flat spine curves, p<0.05.

On the opposite patients with degenerative spondylolisthesis demonstrated a great pelvic incidence (mean : 60°) and the tendency to have a sacrum more vertical with less sacral slope, p<0.05.

We could not conclude concerning the stenosis group regarding to the size of the sample.

Conclusions

The type of lumbar degenerative disease appeared to be well influenced by the spino-pelvic alignment of the patient.