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Trauma and multiple sclerosis

L T Kurland1

  • 1Department of Health Sciences Research, Mayo Clinic, Rochester, MN 55905.

Annals of Neurology
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

Physical trauma does not cause or worsen multiple sclerosis (MS). Large studies show no link between injuries and MS onset or exacerbations, refuting common beliefs.

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Area of Science:

  • Neurology
  • Epidemiology

Background:

  • Belief that trauma precedes or exacerbates multiple sclerosis (MS) lacks empirical support.
  • Anecdotal reports and case series provide insufficient data for causal inference.
  • High incidence of both MS and traumatic injuries necessitates distinguishing coincidence from causation.

Purpose of the Study:

  • To critically evaluate the association between physical trauma and the onset or exacerbation of multiple sclerosis.
  • To determine if credible epidemiological evidence supports a causal link between trauma and MS.

Main Methods:

  • Review of two major prospective cohort studies on MS.
  • Analysis of a prospective cohort of MS patients followed for eight years.
  • Examination of population-based cohorts with MS, head injury, and lumbar disk surgery from Olmsted County, Minnesota.

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Main Results:

  • Prospective studies failed to demonstrate a significant association between physical trauma and MS exacerbation.
  • No correlation was found between head injury or lumbar disk surgery and MS onset or exacerbation.
  • Epidemiological data does not support physical trauma as a cause of MS onset or exacerbation.

Conclusions:

  • Current credible epidemiological evidence does not support the hypothesis that physical trauma causes or exacerbates multiple sclerosis.
  • The observed co-occurrence of trauma and MS is likely coincidental rather than causal.
  • Further research should focus on established etiological factors for MS.