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Immature defense mechanisms mediate the relationship between childhood trauma and onset of bipolar disorder

•Total and all sub-scores (except for sexual abuse) of the CTQ were higher in BD patients than those in healthy controls.•Emotional abuse sub-score of the CTQ in BD-II patients was higher compared to BD-I patients, it might be an important risk factor for BD-Ⅱ.•Immature defense mechanism score was h...

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Published in:Journal of affective disorders 2021-01, Vol.278, p.672-677
Main Authors: Wang, Leilei, Yin, Yi, Bian, Qingtao, Zhou, Yanfang, Huang, Junchao, Zhang, Ping, Chen, Song, Fan, Hongzhen, Cui, Yimin, Luo, Xingguang, Tan, Shuping, Wang, Zhiren, Li, Chiang-Shan R., Tian, Baopeng, Tian, Li, Hong, L. Elliot, Tan, Yunlong
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container_title Journal of affective disorders
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creator Wang, Leilei
Yin, Yi
Bian, Qingtao
Zhou, Yanfang
Huang, Junchao
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Fan, Hongzhen
Cui, Yimin
Luo, Xingguang
Tan, Shuping
Wang, Zhiren
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Tian, Baopeng
Tian, Li
Hong, L. Elliot
Tan, Yunlong
description •Total and all sub-scores (except for sexual abuse) of the CTQ were higher in BD patients than those in healthy controls.•Emotional abuse sub-score of the CTQ in BD-II patients was higher compared to BD-I patients, it might be an important risk factor for BD-Ⅱ.•Immature defense mechanism score was higher in BD patients than in healthy controls. Using immature defense mechanism might increase the risk of BD.•Total score and physical neglect sub-score of the CTQ were associated with the diagnosis of BD, as mediated by an immature defense mechanism.•Immature defense mechanism was a mediator between emotional abuse and having BD-Ⅰ vs having BD-Ⅱ. Accumulating evidence has converged to suggest that childhood trauma may contribute to bipolar disorder (BD). This study aimed to investigate the patterns of childhood trauma among patients with bipolar I (BD-I) and bipolar II (BD-II) disorders, according to DSM-IV and in contrast with healthy volunteers. We also explored whether the relationship between childhood trauma and onset of bipolar disorder is mediated by immature defense mechanisms. Participants were patients with BD-I (n=44) and BD-II (n = 42), and healthy controls (HCs, n = 43). Childhood traumatic experiences and defense mechanisms were assessed by the Childhood Trauma Questionnaire (CTQ) and the Defense Style Questionnaire (DSQ), respectively. BD patients experienced more severe childhood trauma than HCs. Physical neglect sub-score and total score of the CTQ had both direct and indirect effects on the diagnosis of BD-I, and an immature defense style mediated the indirect effects. The diagnosis of BD-II was mainly related to the physical neglect and emotional abuse subs-core and total score of the CTQ, as mediated by the immature defense mechanisms. BD-I and BD-II significantly differed in the emotional abuse sub-score of the CTQ. Physical neglect sub-score and total score of the CTQ were associated with the diagnosis of BD (both BD-I and BD-II), as mediated by an immature defense style. Furthermore, emotional abuse might be an important risk factor for BD-II compared to BD-I. These findings may inform risk reduction and psychosocial intervention strategies to prevent and treat patients with bipolar disorders.
doi_str_mv 10.1016/j.jad.2020.10.029
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Elliot ; Tan, Yunlong</creator><creatorcontrib>Wang, Leilei ; Yin, Yi ; Bian, Qingtao ; Zhou, Yanfang ; Huang, Junchao ; Zhang, Ping ; Chen, Song ; Fan, Hongzhen ; Cui, Yimin ; Luo, Xingguang ; Tan, Shuping ; Wang, Zhiren ; Li, Chiang-Shan R. ; Tian, Baopeng ; Tian, Li ; Hong, L. Elliot ; Tan, Yunlong</creatorcontrib><description>•Total and all sub-scores (except for sexual abuse) of the CTQ were higher in BD patients than those in healthy controls.•Emotional abuse sub-score of the CTQ in BD-II patients was higher compared to BD-I patients, it might be an important risk factor for BD-Ⅱ.•Immature defense mechanism score was higher in BD patients than in healthy controls. Using immature defense mechanism might increase the risk of BD.•Total score and physical neglect sub-score of the CTQ were associated with the diagnosis of BD, as mediated by an immature defense mechanism.•Immature defense mechanism was a mediator between emotional abuse and having BD-Ⅰ vs having BD-Ⅱ. Accumulating evidence has converged to suggest that childhood trauma may contribute to bipolar disorder (BD). This study aimed to investigate the patterns of childhood trauma among patients with bipolar I (BD-I) and bipolar II (BD-II) disorders, according to DSM-IV and in contrast with healthy volunteers. We also explored whether the relationship between childhood trauma and onset of bipolar disorder is mediated by immature defense mechanisms. Participants were patients with BD-I (n=44) and BD-II (n = 42), and healthy controls (HCs, n = 43). Childhood traumatic experiences and defense mechanisms were assessed by the Childhood Trauma Questionnaire (CTQ) and the Defense Style Questionnaire (DSQ), respectively. BD patients experienced more severe childhood trauma than HCs. Physical neglect sub-score and total score of the CTQ had both direct and indirect effects on the diagnosis of BD-I, and an immature defense style mediated the indirect effects. The diagnosis of BD-II was mainly related to the physical neglect and emotional abuse subs-core and total score of the CTQ, as mediated by the immature defense mechanisms. BD-I and BD-II significantly differed in the emotional abuse sub-score of the CTQ. Physical neglect sub-score and total score of the CTQ were associated with the diagnosis of BD (both BD-I and BD-II), as mediated by an immature defense style. Furthermore, emotional abuse might be an important risk factor for BD-II compared to BD-I. 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Elliot</creatorcontrib><creatorcontrib>Tan, Yunlong</creatorcontrib><title>Immature defense mechanisms mediate the relationship between childhood trauma and onset of bipolar disorder</title><title>Journal of affective disorders</title><addtitle>J Affect Disord</addtitle><description>•Total and all sub-scores (except for sexual abuse) of the CTQ were higher in BD patients than those in healthy controls.•Emotional abuse sub-score of the CTQ in BD-II patients was higher compared to BD-I patients, it might be an important risk factor for BD-Ⅱ.•Immature defense mechanism score was higher in BD patients than in healthy controls. Using immature defense mechanism might increase the risk of BD.•Total score and physical neglect sub-score of the CTQ were associated with the diagnosis of BD, as mediated by an immature defense mechanism.•Immature defense mechanism was a mediator between emotional abuse and having BD-Ⅰ vs having BD-Ⅱ. 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The diagnosis of BD-II was mainly related to the physical neglect and emotional abuse subs-core and total score of the CTQ, as mediated by the immature defense mechanisms. BD-I and BD-II significantly differed in the emotional abuse sub-score of the CTQ. Physical neglect sub-score and total score of the CTQ were associated with the diagnosis of BD (both BD-I and BD-II), as mediated by an immature defense style. Furthermore, emotional abuse might be an important risk factor for BD-II compared to BD-I. 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subjects Adult Survivors of Child Abuse
Bipolar disorder
Bipolar Disorder - epidemiology
Child
Child Abuse
Childhood trauma
Defense Mechanisms
Diagnostic and Statistical Manual of Mental Disorders
Humans
Immature defense mechanisms
Surveys and Questionnaires
title Immature defense mechanisms mediate the relationship between childhood trauma and onset of bipolar disorder
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