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Related Experiment Videos

Does minor trauma cause serious low back illness?

Eugene Carragee1, Todd Alamin, Ivan Cheng

  • 1Orthopaedic Surgery Division, Stanford University, Room R171, 300 Pasteur Drive, Stanford, CA 94305, USA. carragee@leland.stanford.edu

Spine
|December 2, 2006
PubMed
Summary
This summary is machine-generated.

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Minor trauma does not increase the risk of serious low back pain (LBP) or disability. Demographic and behavioral factors, not structural changes or trauma, predict most LBP events.

Area of Science:

  • Orthopedics
  • Occupational Health
  • Epidemiology

Background:

  • Theories suggest minor trauma combined with degenerative changes cause spinal injury and serious low back pain (LBP).
  • Prospective data on the relationship between minor trauma, structural changes, and LBP outcomes are lacking.

Purpose of the Study:

  • To determine if minor trauma events influence the risk of developing serious LBP and disability.
  • To assess this risk in individuals with and without lumbar spine degenerative changes.

Main Methods:

  • Prospective, 5-year cohort study of 200 working subjects without prior LBP.
  • Baseline clinical and imaging assessments, with 6-month follow-up interviews on LBP episodes, severity, and perceived causes.
  • Follow-up MRI for serious LBP episodes to detect interval changes.

Related Experiment Videos

Main Results:

  • No association found between minor trauma and adverse LBP events (2.1% vs. 2.4% risk).
  • Trauma frequency or severity did not correlate with adverse outcomes.
  • Advanced structural findings did not increase symptomatic risk from minor trauma.
  • Predictive models including psychometric testing, smoking, and compensation identified 80% of LBP events and 93% of disability events.

Conclusions:

  • Minor trauma does not appear to elevate the risk of serious LBP episodes or disability.
  • Demographic and behavioral variables are better predictors of LBP events than structural findings or minor trauma.