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Anxiety and Depression in Adult First Seizure Presentations
Ciaran Lane1, Candice Crocker1, Karen Legg1
11Epilepsy Program,Division of Neurology,Queen Elizabeth II Health Science Center,Dalhousie University,Halifax,NS,Canada.
Summary
First seizure patients have a higher risk of depression. The prevalence of depression increases with undiagnosed epilepsy duration, suggesting a link between seizures and mood disorders.
Area of Science:
- Neurology
- Psychiatry
- Neuroscience
Background:
- Psychiatric symptoms like anxiety and depression are common in neurological conditions.
- Understanding their prevalence at first seizure presentation is crucial for early intervention.
Purpose of the Study:
- To determine the prevalence of anxiety and depression symptoms in patients experiencing their first seizure.
- To explore the relationship between first seizures, epilepsy diagnosis, and psychiatric symptoms.
Main Methods:
- A cohort study involving 57 patients with unprovoked first seizures and 31 controls.
- Utilized multimodal data including clinical, social, MRI, and EEG.
- Administered the Neurological Disorders Depression Inventory for Epilepsy and GAD-7 questionnaires.
Main Results:
- Depression prevalence was significantly higher in first seizure patients (33%) compared to controls (6%).
- Anxiety prevalence did not differ significantly between groups.
- Patients diagnosed with new-onset or newly diagnosed epilepsy showed a markedly increased odds ratio for depression.
Conclusions:
- A bidirectional relationship exists between first seizures and depression.
- Increased duration of undiagnosed epilepsy correlates with higher depression rates.
- Early assessment and diagnosis are vital for managing psychiatric comorbidities in epilepsy.
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