Clinician’s Digest: CANMAT and Mixed States Practicalities
Jan 12, 2024
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Dr. Jim Phelps, expert in mixed states and DSM-5 approach to mood disorders, discusses the spectrum approach to diagnosing mixed mood disorders and the cautionary use of antidepressants. The podcast explores the challenges of differentiating borderline criteria from depression and strategies for managing mixed states.
Mixed mood disorders are viewed as a spectrum approach, allowing any combination of manic and depressive symptoms to be possible.
When managing mixed mood disorders, clinicians need to carefully consider the use of antidepressants, as they have the potential to induce or worsen mixed or manic states in bipolar disorder.
Deep dives
Understanding the Spectrum Approach to Mixed Mood Disorders
Mixed mood disorders, such as unipolar depression with manic symptoms, are now viewed as a spectrum approach in DSM-5. Instead of rigidly following DSM rules, clinicians can think of a graph with manic and depressive symptoms on separate axes, allowing any combination of these symptoms to be possible. The most clinically important manic symptoms in mixed depression, known as the 4As, include agitation, anger, anxiety, and attention problems. Interestingly, these symptoms are also common in other conditions like generalized anxiety disorder, PTSD, borderline personality disorder, and ADHD, creating an extensive overlap in symptomatology. Differentiating these conditions can be challenging due to their symptom overlap.
Treatment Considerations for Mixed Mood Disorders
When managing mixed mood disorders, clinicians need to carefully consider treatment options, particularly regarding the use of antidepressants. Antidepressants have the potential to induce or worsen mixed or manic states, making them a concern in bipolar disorder. One approach to avoid harm is to prioritize non-pharmacological interventions like psychotherapy, exercise, improving sleep patterns, and omega-3 supplementation. To determine if a mixed state is present, the Bipolarity Index, which includes factors like family history, age of onset, illness course, and response to treatment, can be helpful. Additionally, the mood check questionnaire provides a quick way to gather information related to treatment decisions. In cases where a patient already presents with depression and 3 or 4 of the 4As while on an antidepressant, gradually tapering the medication can be considered to assess if the antidepressant is inducing or exacerbating a mixed state.
CANMAT presents a spectrum approach to mixed states. In this podcast, Dr. Jim Phelps delves into this and the DSM-5 approach, where mixed states became a specifier that can be added to a diagnosis of unipolar depression, effectively creating a spectrum approach to the diagnosis of mixed mood disorders. So, what’s a clinician to do treatment-wise? Should we or should we not use antidepressants when 4 specific symptoms are present? Find the answer to these and other questions in this podcast.
Faculty: Jim Phelps, M.D. Host: Richard Seeber, M.D.