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Personality disorders in recent-onset bipolar disorder
S Pica1, J Edwards, H J Jackson
1MRC Schizophrenia Research Unit, Royal Park Hospital, Parkville, Vic, Australia.
Comprehensive Psychiatry
|November 1, 1990
Summary
Sixty-two percent of recent-onset bipolar disorder (BD) patients exhibited personality disorders (PDs), with histrionic and borderline PDs being most common. This contrasts with schizophrenia patients, who more frequently showed schizotypal PD.
Area of Science:
- Psychiatry
- Clinical Psychology
- Mental Health Research
Background:
- Personality disorders (PDs) are common comorbidities in psychiatric conditions.
- Understanding PD prevalence in bipolar disorder (BD) is crucial for effective treatment.
- Recent-onset BD patients represent a critical window for early intervention and study.
Purpose of the Study:
- To determine the frequency and types of DSM-III personality disorders in recent-onset bipolar disorder (BD) patients.
- To compare the PD profiles of BD patients with those of recent-onset schizophrenic patients.
Main Methods:
- Utilized the Structured Interview for DSM-III Personality Disorders (SIDP) for diagnosis.
- Assessed a sample of 26 recent-onset bipolar-disordered (BD) patients.
- Compared findings with a sample of 35 recent-onset schizophrenic patients.
Main Results:
- 62% of BD patients met criteria for at least one PD.
- Histrionic, borderline, passive-aggressive, and antisocial PDs were most prevalent in the BD group.
- Schizotypal PD was significantly more common in schizophrenic patients, while histrionic PD was more frequent in BD patients.
Conclusions:
- Personality disorders are highly prevalent in recent-onset bipolar disorder.
- Distinct PD profiles differentiate bipolar disorder from schizophrenia.
- These findings highlight the importance of screening for PDs in BD for improved patient outcomes.