Psychological distress symptoms and illness perception in patients with epilepsy in Northwest Greece.

The purpose of the present study was to compare psychological distress between patients with epilepsy and healthy controls and to evaluate potentially related factors to psychological distress in patients with epilepsy. Furthermore, we assessed how psychological distress and other potential factors mediate illness perception in patients with epilepsy in an urban area of Northwest Greece. A case-control study was conducted in adult patients with epilepsy followed up at the University Hospital of Ioannina and in healthy controls. The Symptom Checklist-90 Revised (SCL-90R) for symptoms of psychological distress and the overall psychological distress Global Severity Index (GSI) evaluation, the brief illness perception questionnaire (B-IPQ), and the Adverse Event Profile (AEP) questionnaire for the antiepileptic drugs (AEDs) were used. Seventy patients with epilepsy and 70 controls were recruited in the study. Somatic, depression, and anxiety symptoms and the GSI were higher in patients than in controls. In patients with epilepsy, the AEP score was significantly associated with psychological distress. Illness perception was associated with the number and the total number of administered AEDs; the AEP score; somatic, obsessive, depressive, and anxiety symptoms; and the GSI. After regression analysis, epilepsy characteristics, AEDs, and psychological distress accounted for 11.7%, 28.7%, and 5.5% of variance in BIP-Q score, respectively. Screening for psychological distress in patients with epilepsy is of high importance in clinical practice as somatic, depression, and anxiety symptoms and overall psychological distress are more severe in patients with epilepsy than in healthy controls. The symptoms of psychological distress are strongly associated with the adverse effects of AEDs. The epilepsy characteristics, the AEDs, and the psychological distress could determine a large part of illness perception in epilepsy, with the adverse effects of AEDs being the strongest predictor.

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