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Zorluk: KolayBipolar and Related Disorders

A 28-year-old male is evaluated in an ambulatory clinic for a 4-week history of persistent sadness, hypersomnia, profound fatigue, and poor concentration. He reports struggling to get out of bed in the morning and has missed multiple days of work as an accountant. His medical history is significant for occasional migraines, for which he takes sumatriptan as needed. Vital signs are within normal limits. Physical examination shows no abnormalities. Laboratory studies show a thyroid-stimulating hormone (TSH) level of 2.1 µU/mL (normal: 0.5-5.0 µU/mL). Upon further questioning, the patient describes a distinct two-week period three years ago when he felt "on top of the world," required only two hours of sleep per night, spoke very rapidly, and successfully renovated his entire house by himself without feeling tired. He was not hospitalized during that time. Which of the following is the most appropriate pharmacotherapy for this patient's current condition?

  1. QuetiapineCevap
  2. B
    Sertraline
  3. C
    Venlafaxine
  4. D
    Levothyroxine
  5. E
    Fluoxetine

Cevap

Quetiapine
The patient's clinical picture of a current major depressive episode combined with a clear history of a prior manic episode (elevated mood, decreased need for sleep, increased goal-directed activity lasting at least one week) establishes the diagnosis of Bipolar I disorder, current episode depressed. The standard of care for acute bipolar depression includes specific second-generation antipsychotics such as quetiapine or lurasidone, or mood stabilizers like lithium. Quetiapine effectively targets the depressive symptoms while protecting against a manic switch.

Adım Adım Çözüm

1
Analyze the current presentation
The patient has 4 weeks of sadness, hypersomnia, fatigue, and poor concentration, which meets the criteria for a major depressive episode.
Establishing the current affective state is required to guide immediate therapy.
2
Evaluate past psychiatric history
The patient had a 2-week episode of elevated mood, decreased need for sleep, increased goal-directed activity, and rapid speech 3 years ago, meeting the criteria for a manic episode.
A past manic episode changes the diagnosis from major depressive disorder to bipolar I disorder.
3
Select the appropriate pharmacotherapy
Quetiapine is chosen as the next best step.
First-line therapies for bipolar depression include quetiapine, lurasidone, and lithium, as they treat depression without significant risk of inducing a manic switch.

Anahtar Kavram

Patients presenting with depressive symptoms must be screened for past manic or hypomanic episodes; if a history of mania is present (Bipolar I disorder), standard antidepressant monotherapy is contraindicated due to the risk of inducing a manic switch, and agents like quetiapine or lurasidone should be used instead.
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Bipolar and Related Disorders

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