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Substance Use Disorders Affecting Sleep01:24

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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
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Depressant drugs, including alcohol and sedative-hypnotics, diminish central nervous system activity by enhancing the action of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces brain activity and promotes relaxation. These substances can have various therapeutic uses but also pose significant risks, especially when misused or combined.
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Implication of problematic substance use in poststroke depression: an hospital-based study.

Yolaine Rabat1, Igor Sibon2,3, Sylvie Berthoz2,4

  • 1Univ. Bordeaux, CNRS, EPHE, INCIA, UMR 5287, 33000, Bordeaux, France. yolaine.rabat@u-bordeaux.fr.

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Summary

Problematic substance use is common in stroke patients and linked to post-stroke depression (PSD). Baseline tobacco dependence significantly increases PSD risk, highlighting the need to address addictive disorders in stroke care.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Public Health

Background:

  • Problematic substance use in stroke patients is often overlooked.
  • The association between substance use and post-stroke depression (PSD) remains unclear.

Purpose of the Study:

  • To estimate the prevalence of problematic substance use in stroke patients.
  • To determine the prevalence of PSD at three months post-stroke.
  • To explore substance use severity and its evolution as predictors of PSD.

Main Methods:

  • A cohort of first-ever non-severe stroke adult patients was assessed.
  • Standardized scales screened for tobacco, alcohol, and cannabis abuse at baseline and 3 months.
  • Post-stroke depression (PSD) was measured using the Center of Epidemiological Studies Depression scale.

Main Results:

  • Out of 244 patients, 74 (30.3%) had problematic substance use, with 21 (8.6%) being polydrug abusers.
  • PSD prevalence was 50.8% among patients with substance use, including 29.5% severe depression.
  • Baseline tobacco dependence doubled the risk of PSD (OR 1.59), independent of other factors.

Conclusions:

  • Problematic substance use, particularly tobacco dependence, is a significant risk factor for PSD.
  • Addictive disorders represent a critical unmet need in PSD management.
  • Addressing substance use is crucial for comprehensive stroke patient care.