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Question

Difficulty: MediumPersonality Disorders

A 23-year-old woman comes to the outpatient clinic for a follow-up visit. Two weeks ago, she was evaluated in the emergency department after ingesting a handful of acetaminophen tablets following a brief but intense argument with her new boyfriend. She reports a history of multiple intense and short-lived relationships, frequent feelings of profound emptiness, and sudden outbursts of extreme anger. During the interview, she tells the physician, "You are the only person who has ever truly cared about me; all my previous doctors were completely useless." She is medically stable, denies any active suicidal ideation or intent, and expresses a desire to improve her coping skills. She has no history of manic episodes or psychosis. Which of the following is the most appropriate next step in the long-term management of this patient?

  1. Referral for dialectical behavior therapyAnswer
  2. B
    Initiation of fluoxetine monotherapy
  3. C
    Prescription of a combination of sertraline and phenelzine
  4. D
    Informing her boyfriend about her emergency department visit to obtain collateral history
  5. E
    Appointing her parents as surrogate decision-makers for her psychiatric care

Answer

Referral for dialectical behavior therapy
The patient's presentation of a recent suicidal gesture, unstable relationships, chronic emptiness, difficulty controlling anger, and the use of splitting defense mechanisms strongly indicates borderline personality disorder (BPD). The most effective, evidence-based, first-line long-term treatment for BPD is dialectical behavior therapy (DBT).

Step-by-Step Solution

1
Identify the patient's primary diagnosis based on the clinical vignette.
The patient exhibits classic signs of borderline personality disorder (BPD).
She displays a history of unstable relationships, suicidal gestures (acetaminophen overdose), chronic feelings of emptiness, extreme anger, and idealization/devaluation (splitting, as seen in her comments about the physician vs. previous doctors).
2
Determine the standard first-line management for borderline personality disorder.
Psychotherapy, specifically dialectical behavior therapy (DBT), is the established first-line treatment.
DBT focuses on teaching emotional regulation, distress tolerance, mindfulness, and interpersonal effectiveness, which directly address the core deficits in BPD.
3
Evaluate alternative management options for safety and ethical adherence.
Pharmacotherapy and boundary-breaching actions are ruled out.
Polypharmacy with contraindicated drugs risks serotonin syndrome. Furthermore, bypassing the patient's autonomy or breaching confidentiality without an imminent threat violates core medical ethics and disrupts the crucial therapeutic boundaries needed for BPD patients.

Key Concept

The diagnosis of borderline personality disorder and its first-line management with dialectical behavior therapy, while maintaining strict ethical boundaries regarding confidentiality and patient autonomy.
Estimated Time:1m 15s
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Topics

Personality Disorders

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