J Korean Med Sci.  2008 Feb;23(1):18-23. 10.3346/jkms.2008.23.1.18.

Experience of Subjective Symptoms in Euthymic Patients with Bipolar Disorder

• Joe S
• Joo Y
• Kim S

• KMID: 1786839
• DOI: http://doi.org/10.3346/jkms.2008.23.1.18

Abstract

Bipolar patients often experience subjective symptoms even if they do not have active psychotic symptoms in their euthymic state. Most studies about subjective symptoms are conducted in schizophrenia, and there are few studies involving bipolar patients. We examined the nature of the subjective symptoms of bipolar patients in their euthymic state, and we also compared it to that of schizophrenia and normal control. Thirty bipolar patients, 25 patients with schizophrenia, and 21 normal control subjects were included. Subjective symptoms were assessed using the Korean version of the Frankfurter Beschwerde Fragebogen (K-FBF) and the Symptom Check List 90-R (SCL90-R). Euthymic state was confirmed by assessing objective psychopathology with the Positive and Negative Syndrome scale of Schizophrenia (PANSS), the Young Mania Rating Scale (YMRS), and the Montgomery Asberg Depression Rating Scale (MADRS). K-FBF score was significantly higher in bipolar patients than in normal controls, but similar to that in schizophrenia patients (F=5.86, p=0.004, R(2)=2033.6). In contrast, SCL90-R scores did not differ significantly among the three groups. Euthymic bipolar patients experience subjective symptoms that are more confined to cognitive domain. This finding supports the hypothesis that subtle cognitive impairments persists in euthymic bipolar patients.

Keyword

Bipolar Disorder; Euthymic State; Subjective Experience

MeSH Terms

Adult
Bipolar Disorder/*psychology
Cognition Disorders/etiology
Female
Humans
Male
Middle Aged
Schizophrenic Psychology

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