Objective
Many patients with bipolar disorder do not regain their premorbid level of occupational functioning even after mood episodes have resolved. The reasons for this are not well understood. We evaluated the relationship between neurocognition and occupational function in bipolar disorder patients, following symptomatic recovery.
Methods
A total of 79 previously employed adults with bipolar I disorder who achieved symptomatic recovery (i.e., at least six weeks clinically euthymic) following a manic episode underwent a neurocognitive evaluation and assessment of occupational functioning. Study participants were evaluated every three months thereafter for up to nine months. Factor analysis was applied to reduce the initial set of neurocognitive variables to five domains: episodic memory, working memory/attention, executive function, visual scanning, and speed of processing. Multiple logistic regression models were used to examine the joint predictive values of these domains for determining occupational recovery.
Results
At the time of symptomatic recovery, four of five neurocognitive factors were significant predictors of concomitant occupational recovery and the fifth, executive function, showed a trend in the same direction. For those not occupationally recovered at baseline, longitudinal analyses revealed that changes between baseline and the three-month follow-up timepoint in most cognitive domains were robust and highly significant predictors of occupational recovery at three months.
Conclusions
These findings indicate that better neurocognitive function in multiple domains and improvement in these domains over time are strongly predictive of subsequent occupational recovery. Treatments that target cognitive deficit may therefore have potential for improving long-term vocational functioning in bipolar illness.
To assess the effects of adjunctive quetiapine for treatment of refractory symptoms of combat-related post-traumatic stress disorder (PTSD), charts of Vietnam veterans with war-connected PTSD who had been prescribed quetiapine were reviewed. Only patients with symptoms that had not responded to adequate therapy with two or more psychotropic medications prior to quetiapine treatment were analyzed. Addition of quetiapine to ongoing therapy resulted in further symptomatic improvements in DSM-IV PTSD criterion B (re-experiencing) for 35%, criterion C (avoidance/numbing) for 28%, and criterion D (arousal) for 65% of study subjects. Low doses of quetiapine (mean = 155 +/- 130 mg) were associated with minimal side effects. These results, although retrospective, suggest that augmentative quetiapine may benefit some refractory symptoms of PTSD in combat veterans.
The presence of even mild subsyndromal depressive symptoms may interfere with functional recovery in patients with bipolar disorder after symptomatic recovery from a manic or hypomanic episode.
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