Associations between back pain history and lumbar MRI findings

Tapio Videman1, Michele C Battié, Laura E Gibbons

  • 1University of Alberta, Edmonton, Alberta, Canada. tapio.videman@ualberta.ca

Spine
|March 19, 2003
PubMed
Abstract

Insights

Spinal MRI findings like disc height and anular tears are linked to low back pain (LBP). However, these imaging results alone have limited clinical importance for diagnosing LBP.

Area of Science:

  • Orthopedics
  • Radiology
  • Pain Medicine

Background:

  • The connection between spinal pathology and low back pain (LBP) remains debated.
  • Understanding LBP etiology requires differentiating imaging findings from symptoms.

Purpose of the Study:

  • To investigate associations between spinal MRI findings and current, past year, and lifetime LBP.
  • To adjust for occupational physical loading, smoking, genetics, and family influences in LBP analysis.

Main Methods:

  • Retrospective monozygotic twin cohort study of 115 male twin pairs (35-69 years).
  • Qualitative MRI assessment included disc height, bulging, herniations, anular tears, osteophytes, spinal stenosis, and endplate changes.
  • Quantitative signal intensity measurements were also performed.

Main Results:

  • Disc height and anular tears were associated with various LBP measures (current, past year, lifetime).
  • Adjusting for physical loading strengthened associations for anular tears and LBP.
  • Within-pair differences in disc height and anular tears explained 6-12% of LBP variance.

Conclusions:

  • Disc height narrowing and anular tears are the only significant MRI parameters for LBP.
  • The clinical importance of these MRI findings alone is limited due to poor sensitivity.
  • New questions arise regarding the underlying mechanisms of LBP.

Related Concept Videos