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Major Depressive Episode and Postpartum Depression: A Network Analysis Comparison on the IGEDEPP Cohort

Overview
Journal Eur Psychiatry
Specialty Psychiatry
Date 2023 May 18
PMID 37198917
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Abstract

Introduction: Major depression episode (MDE) and postpartum depression (PPD) have the same diagnosis criteria, but dissimilarities may be present regarding the frequency and structure of depressive symptoms.

Methods: We used data from the IGEDEPP Cohort (France) to examine DSM-5 depressive symptoms in two groups of women: 486 with PPD and 871 with a history of non-perinatal MDE. We compare (i) the frequency of each depressive symptom adjusted for the severity of depression, (ii) the global structure of depressive symptom networks, and (iii) the centrality of each symptom in the two networks.

Results: Women with PPD were significantly more likely to have appetite disturbance, psychomotor symptoms, and fatigue than those with MDE, while sadness, anhedonia, sleep disturbance, and suicidal ideation were significantly less common. There were no significant differences in the global structure of depressive symptoms of MDE and PPD. However, the most central criterion of the MDE network was "Sadness" while it was "Suicidal ideations" for the PPD network. "Sleep" and "Suicidal ideations" criteria were more central for PPD network, whereas "Culpability" was more important for MDE network than for PPD network.

Conclusion: We found differences in depressive symptoms expression between PPD and MDE, which justify continuing to clinically distinguish PPD from MDE.

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