Journal of affective disorders · 2014
Clinical characteristics and temperament influences on 'happy' euphoric and 'snappy' irritable bipolar hypo/manic mood states.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Graham Rebecca K, Parker Gordon B, Breakspear Michael, Mitchell Philip B
Аннотация
BACKGROUND: While mood elevation and euphoria are the most commonly described phenotypic descriptors of hypo/mania, irritability and anger may dominate. This study was designed to pursue possible determinants of such differing states.
METHODS: Patients with bipolar I or II disorder were assigned to an 'irritable/snappy' or 'euphoric/happy' sub-set on the basis of their dominant hypo/manic symptoms. Group differences were examined across clinical, personality, lifestyle and illness impact measures.
RESULTS: The two sub-sets did not differ on age of depression onset, family history of mood disorders, or depression severity and impairment. The snappy sub-set reported higher levels of irritability in depressed phases and were more likely to have a comorbid anxiety disorder. Their hypo/manic episodes were shorter and they were more likely to be hospitalized at such times. On a temperament measure they scored as more irritable and self-focussed and as less cooperative and effective - indicative of higher levels of disordered personality functioning.
LIMITATIONS: Some comparison analyses were undertaken on a reduced sample size, giving rise to power issues. Our bipolar I and II diagnoses deviated to some extent from DSM-5 criteria in not imposing duration criteria for hypo/manic episodes.
CONCLUSIONS: Findings support a spectrum model for the bipolar disorders linking temperament to bipolar symptomatic state and which may have treatment implications.
METHODS: Patients with bipolar I or II disorder were assigned to an 'irritable/snappy' or 'euphoric/happy' sub-set on the basis of their dominant hypo/manic symptoms. Group differences were examined across clinical, personality, lifestyle and illness impact measures.
RESULTS: The two sub-sets did not differ on age of depression onset, family history of mood disorders, or depression severity and impairment. The snappy sub-set reported higher levels of irritability in depressed phases and were more likely to have a comorbid anxiety disorder. Their hypo/manic episodes were shorter and they were more likely to be hospitalized at such times. On a temperament measure they scored as more irritable and self-focussed and as less cooperative and effective - indicative of higher levels of disordered personality functioning.
LIMITATIONS: Some comparison analyses were undertaken on a reduced sample size, giving rise to power issues. Our bipolar I and II diagnoses deviated to some extent from DSM-5 criteria in not imposing duration criteria for hypo/manic episodes.
CONCLUSIONS: Findings support a spectrum model for the bipolar disorders linking temperament to bipolar symptomatic state and which may have treatment implications.