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Suicide and patients with neurologic diseases. Methodologic problems.

E N Stenager1, E Stenager

  • 1Department of Psychiatry, Odense University, Denmark.

Archives of Neurology
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

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Patients with multiple sclerosis, spinal cord lesions, and some epilepsy cases face higher suicide risks. Methodological flaws in studies often create uncertainty regarding suicide risk in other neurological conditions.

Area of Science:

  • Neurology
  • Psychiatry
  • Epidemiology

Background:

  • Suicide risk is reportedly higher in patients with neurological diseases compared to the general population.
  • Existing studies on this topic often suffer from significant methodological limitations.
  • A critical appraisal of these methodological issues is needed to accurately assess suicide risk in neurological conditions.

Purpose of the Study:

  • To identify and evaluate methodological problems in studies examining suicide risk in patients with neurological diseases.
  • To reappraise the current understanding of suicide risk in specific neurological conditions based on a critical review of existing literature.

Main Methods:

  • A systematic literature search was conducted using MEDLINE with keywords: suicide, attempted suicide, and neurological diseases.

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  • Studies on common neurological diseases were assessed for methodological flaws in study design, including study type, population selection, control groups, and statistical methods.
  • The validity of reported statistics was also evaluated.

    • Main Results:

    • Methodological problems were identified across studies investigating multiple sclerosis, epilepsy, Huntington's chorea, spinal cord lesions, cranial trauma, brain tumors, Parkinson's disease, vascular disorders, and migraine.
    • In most analyzed studies, the methodological weaknesses introduced uncertainty regarding the presented conclusions.
    • An elevated suicide risk was confirmed in multiple sclerosis, spinal cord lesions, and specific epilepsy patient groups.

    Conclusions:

    • The suicide risk is definitively increased in patients with multiple sclerosis and spinal cord lesions, and in certain epilepsy cohorts.
    • For other neurological diseases, while suicide risk may be elevated, current evidence remains inconclusive due to substantial methodological limitations in study designs.
    • Further high-quality research with robust methodologies is required to clarify suicide risk across a broader range of neurological conditions.