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Related Experiment Videos

Occupational risk factors for symptomatic lumbar disc herniation; a case-control study.

A Seidler1, U Bolm-Audorff, T Siol

  • 1Institute of Occupational Medicine, Johann Wolfgang Goethe-University, Frankfurt/Main, Germany. A.Seidler@em.uni-frankfurt.de

Occupational and Environmental Medicine
|October 24, 2003
PubMed
Summary

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Physical and psychosocial workloads are linked to lumbar disc herniation. Extreme forward bending is a risk factor for disc herniation, with or without spinal degeneration. Weight lifting is associated with herniation in degenerated discs.

Area of Science:

  • Occupational Health
  • Orthopedics
  • Epidemiology

Background:

  • Previous studies often combined disc herniation with and without spinal degeneration (osteochondrosis/spondylosis).
  • This lack of differentiation may explain varied risk patterns observed in prior research.

Purpose of the Study:

  • To investigate the etiological relevance of physical and psychosocial workload factors.
  • To differentiate risks for lumbar disc herniation with and without concomitant osteochondrosis/spondylosis.

Main Methods:

  • A case-control study involving 267 patients with acute lumbar disc herniation and 197 controls.
  • Data collected via structured interviews; logistic regression used for analysis, controlling for confounding factors.
  • Risk factors analyzed separately for herniation with (n=131) and without (n=94) radiographic osteochondrosis/spondylosis.

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Main Results:

  • Extreme forward bending showed a significant association with lumbar disc herniation, irrespective of osteochondrosis/spondylosis.
  • Cumulative exposure to heavy lifting/carrying correlated with herniation in cases with, but not without, concomitant osteochondrosis/spondylosis.
  • Cases reported higher rates of work-related time pressure and psychic strain from client contact.

Conclusions:

  • Further research with larger cohorts is necessary.
  • The study suggests potentially distinct etiologies for disc herniation in younger individuals with healthy discs versus older individuals with pre-existing disc damage.