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Difficulty: EasyAnxiety, OCD, and Trauma-Related Disorders

A 35-year-old woman is evaluated in the psychiatric clinic for severe anxiety and intrusive memories. Six months ago, she was the victim of a violent home invasion. Since the event, she has experienced frequent nightmares about the attack, avoids leaving her house, and remains excessively vigilant. She also reports a 3-week history of depressed mood, severe fatigue, and anhedonia. Her past psychiatric history is significant for two hospitalizations in her early twenties for episodes characterized by a markedly decreased need for sleep, rapid speech, and grandiose delusions. Her only current medication is phenelzine, an MAOI, which was started by a different physician two months ago for depression. Which of the following statements regarding the appropriate diagnosis and management of this patient are correct?

  1. Trauma-focused cognitive behavioral therapy is indicated as a primary first-line psychological intervention for her trauma-related symptoms.Answer
  2. A mood-stabilizing medication should be considered as an essential component of her pharmacological regimen due to her psychiatric history.Answer
  3. C
    Citalopram should be added immediately to her current medication regimen to effectively target her trauma-related anxiety and depression.
  4. D
    Fluoxetine monotherapy is the safest and most effective pharmacological choice for her once phenelzine is safely discontinued.
  5. E
    The patient's history of grandiose delusions combined with her current functional impairment confirms a primary diagnosis of schizophrenia.

Answer

The correct statements are that trauma-focused cognitive behavioral therapy is indicated as a primary intervention, and a mood-stabilizing medication should be considered as an essential component of her regimen.
The patient is suffering from Post-Traumatic Stress Disorder (PTSD) and a current depressive episode in the context of a history of Bipolar I Disorder. Trauma-focused cognitive behavioral therapy (CBT) is the gold standard, first-line non-pharmacological treatment for PTSD and is entirely safe to initiate. Additionally, because the patient has a clear history of manic episodes with psychotic features (grandiose delusions), any long-term pharmacological treatment plan must incorporate a mood stabilizer to prevent antidepressant-induced manic switching.

Step-by-Step Solution

1
Analyze the presenting symptoms and timeline to establish the primary acute diagnosis.
The patient exhibits intrusive memories, nightmares, avoidance, and hypervigilance lasting for 6 months following a violent trauma, which firmly establishes the diagnosis of Post-Traumatic Stress Disorder (PTSD).
Accurate diagnosis of the current episode is required to guide immediate therapy.
2
Evaluate the patient's past psychiatric history to identify comorbid conditions.
The history of hospitalizations for decreased need for sleep, rapid speech, and grandiose delusions confirms a diagnosis of Bipolar I Disorder.
Comorbid Bipolar I Disorder significantly alters the safety profile of standard antidepressant therapies.
3
Assess the safety of potential pharmacological and non-pharmacological interventions.
Non-pharmacological trauma-focused CBT is safe and effective. Pharmacologically, adding an SSRI to her current MAOI (phenelzine) risks Serotonin Syndrome, and using SSRI monotherapy risks a manic switch.
Preventing iatrogenic harm (Serotonin Syndrome or manic induction) is a critical priority in psychiatric management.

Key Concept

Management of PTSD with comorbid Bipolar I Disorder involves utilizing trauma-focused psychotherapy and strictly avoiding SSRI monotherapy or concurrent MAOI/SSRI administration to prevent manic switching and Serotonin Syndrome.
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Topics

Anxiety, OCD, and Trauma-Related Disorders

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