Acta Neurochirurgica

, Volume 138, Issue 7, pp 824–828 | Cite as

Is the outcome of traditional lumbar disc surgery related to the size of the exposure?

  • V. Graver
  • A. E. Ljunggren
  • B. Magnæs
  • M. Loeb
  • H. Lie
Clinical Articles


The purpose of this study was to evaluate whether wide surgical exposures result in poorer outcome of lumbar disc surgery compared to smaller traditional exposures. The aim was also to assess if a dural tear has any impact on the postoperative clinical outcome. One hundred and twenty-two patients (56 women and 66 men, mean age 40.8 years) with herniated intervertebral lumbar disc and no previous back surgery, were included. Postoperatively they were grouped according to surgery as follows: surgery on one vs. two herniated discs (106 vs. 16 patients), partial vs. full laminectomy (93 vs. 29 patients), and the occurrence or not of a dural rent (8 vs. 114 patients). The outcome of surgery was evaluated one year postoperatively mainly by a composite clinical overall score (COS) and by its separate elements, which were: pain intensity in the lower-back or leg (VAS), neurological and clinical examination, functional capacity (Oswestry), and the need for analgesics. The results of the statistical regression analyses did not reveal significant differences in the postoperative outcome scores in the various groups of patients. The groups were comparable; no significant differences were seen in the pre-operative clinical overall scores.


Traditional lumbar disc surgery dural tear outcome 


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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • V. Graver
    • 1
  • A. E. Ljunggren
    • 2
  • B. Magnæs
    • 3
  • M. Loeb
    • 4
  • H. Lie
    • 1
  1. 1.Department of NeurologyUllevaal University HospitalOsloNorway
  2. 2.Research ForumUllevaal University HospitalOsloNorway
  3. 3.Department of NeurosurgeryUllevaal University HospitalOsloNorway
  4. 4.Medical Statistics InstituteUllevaal University HospitalOsloNorway

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