Personality disorders in elderly patients with dysthymic disorder

Area of Science:

• Geriatric Psychiatry
• Clinical Psychology
• Psychopathology

Background:

• Dysthymic Disorder (DD) in the elderly is understudied regarding personality disorders.
• Previous research indicates high comorbidity of personality disorders in younger adults with DD.
• Understanding these comorbidities in older adults is crucial for differential diagnosis and treatment.

Purpose of the Study:

• To investigate the prevalence of personality disorders in elderly patients diagnosed with Dysthymic Disorder (DD).
• To identify clinical correlates associated with personality disorders in this demographic.
• To compare findings with those in younger adults with DD.

Main Methods:

• Cross-sectional evaluation of 76 outpatients aged 60 years and older with DSM-IV Dysthymic Disorder.
• Assessment of Axis II (personality) disorders using established diagnostic criteria.
• Analysis of demographic, clinical, and socioeconomic factors.

Main Results:

• 31.2% of elderly DD patients had Axis II disorders, predominantly obsessive-compulsive (17.1%) and avoidant (11.8%) personality disorders.
• Personality disorders were linked to earlier onset of depression, more Axis I comorbidity, greater symptom severity, and lower socioeconomic status.
• Prevalence was lower than reported in young adults with DD, with a predominance of late-onset DD.

Conclusions:

• Personality disorders are less common in elderly patients with DD compared to younger individuals.
• Obsessive-compulsive and avoidant personality disorders are the most prevalent subtypes in this elderly cohort.
• Late-onset DD in the elderly, characterized by fewer comorbidities, appears distinct from the disorder in younger populations.