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Mood disorders.

Ricardo E Jorge1

  • 1Michael E DeBakey VA Medical Center, Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.

Handbook of Clinical Neurology
|February 23, 2015
PubMed
Summary
This summary is machine-generated.

Mood disturbances are common after traumatic brain injury (TBI), often leading to long-term issues. More research is needed to understand and treat these challenging conditions effectively.

Keywords:
antidepressantsemotional modulation after TBImood disorders due to TBIpost-TBI depressionsecondary mania

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Traumatology

Background:

  • Mood disturbances, particularly depressive disorders, are the most common neuropsychiatric complication following traumatic brain injury (TBI).
  • These conditions present complex clinical features, frequently co-occurring with anxiety, substance misuse, impulsivity, and aggression.
  • Mood disorders post-TBI often follow a chronic and difficult-to-treat course, significantly impacting patient rehabilitation and long-term outcomes.

Purpose of the Study:

  • To review the current understanding of mood disturbances after TBI.
  • To highlight the complex interplay of factors contributing to their development and persistence.
  • To emphasize the need for developing effective therapeutic strategies.

Main Methods:

  • Literature review and synthesis of existing research on mood disorders following TBI.
  • Analysis of the contributing factors, including pre-trauma vulnerabilities, injury characteristics, and recovery influences.
  • Examination of the neurobiological underpinnings, focusing on structural and functional brain changes.

Main Results:

  • Mood disorders are frequent, complex, and chronic neuropsychiatric complications of TBI.
  • Pathophysiology involves a multifactorial interplay of genetic, injury-specific, and psychosocial factors.
  • Associated with structural and functional alterations in neural circuits crucial for emotional processing (e.g., prefrontal cortex, amygdala).

Conclusions:

  • Mood disturbances significantly impair TBI patient recovery and long-term prognosis.
  • Understanding the complex pathophysiology is crucial for effective management.
  • There is a critical need for rigorous research into evidence-based treatment options for TBI-related mood disorders.