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Research Article | Volume 15 Issue 3 (March, 2025) | Pages 335 - 336
Psychiatric Disorders and Cognitive Performance in Epilepsy Patients: A Cross-Sectional Analysis
 ,
 ,
 ,
 ,
1
MBBS, MD Psychiatry senior resident, Osmania Medical College
2
Assistant Professor, Department of Psychiatry, Osmania Medical College.
3
MBBS, MD Psychiatry (Osmania Medical College, Hyd, Telangana) Senior Resident (Govt medical college Suryapet, Telangana)
4
MD Psychiatry, Professor in the department of psychiatry, Superintendent at IMH, Osmania medical College,
5
Post Graduate Student, Department of Community Medicine,National Institute of Medical Sciences & Research (NIMS&R), Jaipur
Under a Creative Commons license
Open Access
Received
Feb. 6, 2025
Revised
Feb. 19, 2025
Accepted
Feb. 28, 2025
Published
March 14, 2025
Abstract

Background: Epilepsy is associated with significant psychiatric and cognitive comorbidities. This cross-sectional study evaluates the prevalence of cognitive impairment (CI) and psychiatric disorders in 100 individuals with epilepsy (PWE) attending a tertiary neurology clinic in India. Methods: Cognitive function was assessed using the Montreal Cognitive Assessment (MoCA) and Addenbrooke’s Cognitive Examination-III (ACE-III). Psychiatric morbidity was evaluated using the Mini-International Neuropsychiatric Interview (MINI). Results: CI was identified in 66% (MoCA <26) and 90% (ACE-III <83) of participants. Psychiatric comorbidities were present in 17%, with major depressive disorder (64.7%) and social anxiety disorder (35.3%) being most prevalent. CI correlated with lower education (p<0.001), unemployment (p=0.001), polytherapy (p=0.03), and longer epilepsy duration (p<0.001). No significant association was found between CI and psychiatric morbidity (p=0.12). Conclusion: High rates of CI and psychiatric disorders highlight the need for routine screening and multidisciplinary care in epilepsy management.

Keywords
INTRODUCTION

Epilepsy affects over 50 million people globally, with 6–8 million cases in India1. Beyond seizures, PWE face cognitive deficits and psychiatric disorders, contributing to poor quality of life (QOL). CI in epilepsy arises from factors like seizure frequency, anti-epileptic drugs (AEDs), and disease duration. Psychiatric comorbidities, particularly depression and anxiety, occur in 20–50% of PWE. Despite their prevalence, these comorbidities often remain undiagnosed. This study evaluates cognitive performance, psychiatric morbidity, and their interplay in PWE.

MATERIALS AND METHODS

Study Design and Participants

A cross-sectional study of 100 PWE (aged 18–55 years) was conducted at Osmania General Hospital, Hyderabad, India. Exclusion criteria included intellectual disability, substance use, and neurological comorbidities.

 

Ethical Approval: Obtained from Osmania Medical College (IRB No. OMC/2020/45). Submitted: February 23, 2025

 

Conflicts of Interest: None declared.

 

Assessments

  1. Cognitive Function:
  • MoCA: Scores <26 indicated CI.
  • ACE-III: Scores <83 indicated CI.

 

 

  1. Psychiatric Morbidity: Diagnosed using MINI modules (DSM-V criteria).

 

Statistical Analysis

Data were analyzed using SPSS v29. Chi-square tests assessed associations between variables (p<0.05 significant).

RESULTS

Sociodemographic and Clinical Characteristics

 

Table 1: Sociodemographic Profile (N=100)

Variable

n (%)

Age (Mean ± SD)

31.6 ± 10.4 years

Gender

Male: 66 (66%), Female: 34 (34%)

Education

Primary: 20%, Graduation: 36%

Employment

Unemployed: 51%

 

 

Table 2: Clinical Characteristics

Variable

n (%)

Epilepsy Duration

>10 years: 39%

Seizure Type

Generalized Tonic-Clonic: 94%

AED Polytherapy

48%

Cognitive Impairment

 

 

 

Table 3: Cognitive Performance (N=100)

Assessment

Normal (%)

Impaired (%)

MoCA

34

66

ACE-III

10

90

 

  • ACE-III Domains: Verbal fluency (84% impaired) and memory (71%) were most affected.
  • Psychiatric Morbidity

 

Table 4: Psychiatric Comorbidities (N=17)

Disorder

n (%)

Major Depressive Disorder

11 (64.7%)

Social Anxiety Disorder

6 (35.3%)

Psychotic Disorders

4 (23.5%)

 

Associations

  • CI correlated with lower education (p<0.001), unemployment (p=0.001), and polytherapy (p=0.03).
  • No significant link between CI and psychiatric morbidity (p=0.12).
DISCUSSION

Cognitive Impairment

This study identified CI in 66–90% of PWE, aligning with global data. Low education and unemployment exacerbated CI, likely due to limited cognitive reserve and socioeconomic stress. Polytherapy’s role in CI underscores AED neurotoxicity risks.

 

Psychiatric Comorbidity

Depression dominated psychiatric comorbidities (64.7%), consistent with prior studies. Despite CI prevalence in psychiatric cases (82.4%), the lack of statistical significance suggests multifactorial etiology, including stigma and diagnostic limitations.

 

LIMITATIONS

Small sample size and reliance on cross-sectional data limit causal inferences. Future studies should include longitudinal designs and neuroimaging.

CONCLUSION

Cognitive and psychiatric comorbidities are pervasive in PWE, necessitating routine screening. Interventions should address modifiable factors (e.g., AED regimens, education access). Multidisciplinary care models integrating neurology and psychiatry are recommended.

REFERENCES
  1. Fisher RS, Acevedo C, Arzimanoglou A, et al. ILAE official report: a practical clinical definition of epilepsy. Epilepsia. 2014;55(4):475-82.
  2. Wang L, Chen S, Liu C, et al. Factors for cognitive impairment in adult epileptic patients. Brain Behav. 2020;10(1):e01475.
  3. Phuong TH, Houot M, Méré M, et al. Cognitive impairment in temporal lobe epilepsy. J Neurol. 2021;268(4):1443-52.
  4. Scott AJ, Sharpe L, Hunt C, et al. Anxiety and depressive disorders in people with epilepsy. Epilepsia. 2017;58(6):973-82.
  5. Martin RC, Griffith HR, Faught E, et al. Cognitive functioning in older adults with epilepsy. Epilepsia. 2005;46(2):298-303.
  6. Nasreddine ZS, Phillips NA, Bédirian V, et al. The Montreal Cognitive Assessment. J Am Geriatr Soc. 2005;53(4):695-9.
  7. Hodges JR, Larner AJ. Addenbrooke’s Cognitive Examinations: ACE, ACE-R, ACE-III. Adv Clin Neurosci Rehabil. 2017;17(4):13-6.
  8. Sheehan DV, Lecrubier Y, Sheehan KH, et al. The MINI International Neuropsychiatric Interview. J Clin Psychiatry. 1998;59(20):22-33.
  9. Sen A, Jette N, Husain M, et al. Epilepsy in older people. Lancet. 2020;395(10225):735-48.
  10. Asnakew S, Legas G, Belete A, et al. Cognitive adverse effects of epilepsy. PLoS One. 2022;17(12):e0278908.
  11. Witt JA, Elger CE, Helmstaedter C. AED polytherapy and cognition. Eur Neuropsychopharmacol. 2015;25(11):1954-9.
  12. Gupta G, Kesri R, Goyal S, et al. Comorbid depression in epilepsy. J Ment Health Hum Behav. 2021;26(2):144.
  13. Adams SJ, O'Brien TJ, Lloyd J, et al. Neuropsychiatric morbidity in focal epilepsy. Br J Psychiatry. 2008;192(6):464-9.
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