Overview
Organic mood disorder of mixed type is characterized by mood fluctuations that are not attributable to another mental disorder and are due to the direct physiological effects of a general medical condition 1. This condition involves symptoms of both mania and depression occurring nearly simultaneously or in rapid sequence 1.Diagnosis
Diagnosis requires evidence of the etiological direct physiological consequence of a general medical condition 1.
Symptoms must be clinically significant and cause marked distress or impairment in social, occupational, or other important areas of functioning 1.Management
Sleep deprivation (SD) has shown an overall response rate of approximately 47.6% in the acute treatment of bipolar depression 1.
Adjunctive pharmacotherapy significantly increased response rates to SD, with patients using adjunctive medication showing a 59.4% response rate compared to 27.4% in those not using medication 1.Key Recommendations
Sleep deprivation can be considered as an antidepressant intervention for bipolar depression, with an overall response rate of almost 50% 1. (Evidence: Moderate)
The use of adjunctive pharmacotherapy should be routinely paired with sleep deprivation interventions for bipolar depression, as it significantly moderates response rates 1. (Evidence: Moderate)References
1 Gottlieb JF, Goel N, Chen S, Young MA. Meta-analysis of sleep deprivation in the acute treatment of bipolar depression. Acta psychiatrica Scandinavica 2021. link