Clin Psychopharmacol Neurosci.  2018 May;16(2):209-213. 10.9758/cpn.2018.16.2.209.

Unipolar Mania: A Particular Aspect of Bipolar Disorder in Tunisia

Affiliations
  • 1Department of Psychiatry, University Hospital of Monastir (EPS Fattouma Bourguiba), Monastir, Tunisia. amamoubadii@hotmail.fr

Abstract

OBJECTIVE: Unipolar mania is a clinical reality in our daily practice. Many authors suggested that bipolar patients can have only manic episodes without depressions. These findings lead us to explore more this particularity.
METHODS
We conduct a retrospective, descriptive and comparative study including 173 patients, followed for bipolar disorder type I, according to the Diagnostic and Statistical Manual of Mental Disorders fifth edition criteria, during the period between January 2008 and December 2015. Two groups were identified. The first one was composed of 98 patients who had presented only manic episodes. The second group contained the rest of the sample. Unipolar mania was defined as the presence of three or more manic states without a depressive episode during the period of the study.
RESULTS
One hundred seventy three patients were included in the study. The average age of the sample was 43 years old. The first episode was manic in 129 patients (74.6%). The dominant polarity was manic in 90.8% of the cases. Seasonal characteristic and psychotic symptoms were observed in respectively 11.0% and 53.2% of the sample. Rapid cycling evolution was observed among 2.3% of patients. The unipolar manic profile accounted for 56.6% of the population. This result is equivalent to an annual incidence of 8%. Comparing the two groups, we did not find a significant difference concerning the sociodemographic and clinical variables except for the number of suicide attempts (p=0.014).
CONCLUSION
Our study shows that unipolar mania is clinical evidence. More studies should be conducted in order to understand its nosological and psychopathological foundations.

Keyword

Unipolar mania; Bipolar disorder; Recurrent mania
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