4.7 Article

Multiple Comorbidity Profile of Psychiatric Disorders in Epilepsy

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 18, Pages -

Publisher

MDPI
DOI: 10.3390/jcm10184104

Keywords

anxiety disorders; depressive disorders; epilepsy; DSM-IV-TR (Diagnostic and Statistical Manual of Mental Disorders); SCID-I (Structured Clinical Interview)

Funding

  1. Medical University of Gdansk, Poland [ST-020039/07/221]

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This study found that comorbidity of anxiety and depressive disorders is common in people with epilepsy, with some patients experiencing both major depressive disorder and anxiety disorder simultaneously.
The co-occurrence of psychiatric disorders in people with epilepsy (PWE) is not well documented or studied. Anxiety and depressive disorders are the most frequent comorbid disorders in PWE. In this paper, we characterized the rates of multiple psychiatric disorder comorbidity by reanalyzing data from a study sample of PWE. A total of 96 outpatient PWE completed the self-report symptom scale, and were diagnosed using the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) Axis I disorders (SCID-I). For analyses, patients were assigned to a comprehensive diagnostic group of anxiety and depressive disorders. In order to determine comorbidity across psychiatric diagnoses for the DSM-IV categories, Pearson's chi-squared test (chi(2)) was used. In the study sample, eight patients (8.3% of the study sample, n = 96) had comorbid major depressive disorder and anxiety disorder. When looking at comorbidity of each diagnosis separately, it was determined that 50% of individuals with an anxiety disorder had comorbid Major Depressive Disorder (MDD) and 38% patients with MDD had comorbid anxiety disorder. This finding encourages a more systematic reporting of psychiatric prevalence data in epilepsy, especially taking into account the high ratio of multiple comorbid anxiety and depressive disorders in PWE.

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