Persistent Depressive Disorder Research & Evidence-Based Practice 3

Question 1

According to evidence-based guidelines, what is the recommended minimum duration of antidepressant treatment after achieving remission from PDD?

Accepted Answer

At least 2 years due to the chronic nature of the condition

Answer

Due to PDD's chronic nature and high relapse risk, evidence-based guidelines recommend at least 2 years of maintenance pharmacotherapy after achieving remission.

Question 2

Research on the neurobiological underpinnings of PDD has implicated which brain region most consistently in structural neuroimaging studies?

Accepted Answer

Hippocampus, with reduced volume compared to healthy controls

Answer

Neuroimaging studies of PDD and related chronic depression consistently find hippocampal volume reduction, likely related to chronic cortisol exposure.

Question 3

A researcher studying treatment-resistant PDD would most likely investigate which augmentation strategy based on current evidence?

Accepted Answer

Atypical antipsychotic augmentation (e.g., quetiapine or aripiprazole)

Answer

Evidence supports atypical antipsychotic augmentation for treatment-resistant depression, with quetiapine and aripiprazole having the strongest evidence base.

Question 4

What does research show about the relationship between childhood adversity and PDD development?

Accepted Answer

Childhood adversity significantly increases PDD risk and is associated with earlier onset and greater severity

Answer

Research demonstrates that childhood adversity is a robust predictor of PDD, associated with earlier onset, greater severity, and poorer treatment outcomes through both psychological and biological pathways.

Question 5

In clinical trials evaluating mindfulness-based cognitive therapy (MBCT) for PDD, what is the primary evidence-supported use?

Accepted Answer

Relapse prevention in recurrent depression, with emerging evidence for chronic depression

Answer

MBCT has strong evidence for relapse prevention in recurrent depression, with growing evidence supporting its use as an adjunct for chronic depression including PDD.

Persistent Depressive Disorder Practice Test

Persistent Depressive Disorder Practice Test

Persistent Depressive Disorder Research & Evidence-Based Practice 3