Psychiatric Consultation in the Collaborative Care Model: the “bipolar sieve” effect

Publication date: Available online 24 June 2017
Source:Medical Hypotheses
Author(s): James R. Phelps, James James
Around the world, psychiatrists are in exceptionally short supply. The majority of mental health treatment is delivered in primary care. In the United States, the Collaborative Care Model (CCM) addresses the shortfall of psychiatrists by providing indirect consultation in primary care. A Cochrane meta-analysis affirms the efficacy this model for depression and anxiety. However, our experience with the CCM suggests that most patients referred for consultation have problems far more complex than simple depression and anxiety. Based on preliminary data, we offer five linked hypotheses: (1) in an efficient collaborative care process, the majority of mental illnesses can be handled by providers who are less expensive and more plentiful than psychiatrists. (2) A majority of the remaining cases will be bipolar disorder variations. Differentiating these from PTSD, the most common alternative or comorbid diagnosis, is challenging and often requires a psychiatrist's input. (3) Psychiatric consultants can teach their primary care colleagues that bipolar diagnoses are estimations based on rigorously assessed probabilities, and that cases fall on a spectrum from unipolar to bipolar. (4) All providers must recognize that when bipolarity is missed, antidepressant prescription often follows. Antidepressants can induce bipolar mixed states, with extreme anxiety and potentially dangerous impulsivity and suicidality. (5) Psychiatrists can help develop clinical approaches in primary care that identify bipolarity and differentiate it from (or establish comorbidity with) PTSD; and psychiatrists can facilitate appropriate treatment, including bipolar-specific psychotherapies as well as use of mood stabilizers.



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