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Leukoencephalopathy and major depression: a preliminary report

B H Guze1, M P Szuba

  • 1Adult Psychiatry Inpatient Service, University of California, Los Angeles.

Psychiatry Research
|November 1, 1992
PubMed

Insights

Leukoencephalopathic changes, often linked to aging, were uncommon in young adults with major depression. However, these brain changes appeared in nearly half of older depressed patients and 30% of elderly controls.

Area of Science:

  • Neuroimaging
  • Psychiatry
  • Radiology

Background:

  • Major depression is a prevalent mental health disorder.
  • Age-related changes in the brain are well-documented.
  • Leukoencephalopathic changes are white matter abnormalities that can be associated with various neurological conditions.

Purpose of the Study:

  • To investigate the prevalence of leukoencephalopathic changes in young and elderly individuals with major depression.
  • To compare these changes between depressed patients and age-matched medical control subjects.

Main Methods:

  • Magnetic resonance imaging (MRI) was used to examine brain structure.
  • T1- and T2-weighted pulse sequences were employed for detailed imaging.
  • A cohort of 119 inpatients and outpatients with major depression, along with control subjects, were analyzed.

Main Results:

  • Leukoencephalopathic changes were infrequent in individuals under 45 years old, irrespective of depression status.
  • Approximately 44% of older depressed patients exhibited leukoencephalopathic changes.
  • About 30% of elderly medical control subjects showed similar changes.

Conclusions:

  • Age appears to be a significant factor in the prevalence of leukoencephalopathic changes.
  • While present in elderly controls, these changes were more common in older adults with major depression.
  • The findings suggest a potential association between aging, depression, and white matter abnormalities.

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