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Oxidative stress and cognitive deficits in bipolar disorder： challenges and perspectives from biomarkers to targeted interventions

Qingyi LI ; Chen ZHANG

Sichuan Mental Health.2025;38(5):385-391. doi:10.11886/scjsws20250915002

Bipolar disorder is a severe mental disorder characterized by mood fluctuations， with cognitive impairment being one of its key clinical features that seriously affects patients' social functions. In recent years， increasing evidence has indicated that oxidative stress imbalance may serve as a crucial pathophysiological basis for cognitive dysfunction in bipolar disorder. This review summarizes current research progress on oxidative stress-related biomarkers in cognitive impairment of patients with bipolar disorder， focusing on their roles in antioxidant defense， lipid peroxidation， neurotrophic factors， mitochondrial function， and telomere damage. Existing evidence suggests that oxidative stress is closely linked to processes such as neuroplasticity and cellular aging， potentially affecting cognition through multiple interacting pathways. This review also discusses the limitations in current studies， with the aim of informing future research on mechanism integration， longitudinal validation， and standardization of cognitive assessment methods.

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Research on the association between immune-related gene expression and panic disorder

Yuqian HE ; Geman WANG ; Rongting RAN ; Xuelian LI ; Yujie LI ; Min DENG ; Zhili ZOU

Sichuan Mental Health.2025;38(5):392-397. doi:10.11886/scjsws20250224003

BackgroundGenetic factor plays an important role in the pathogenesis of panic disorder. Previous studies have revealed that immune system dysregulation is closely related to mental disorders such as panic disorder， while the relationship between panic disorder and immune-related gene expression remains unclear. ObjectiveTo explore the relationship between the expression of CXCL8， IL6R， JUN， PTGS2， TGFBR1， TLR2， CCR4 genes and panic disorder， providing references for the diagnosis and treatment of panic disorder. MethodsA total of 52 patients who met the diagnostic criteria for panic disorder according to the Diagnosed and Statistical Manual of Mental Disorders， fourth edition （DSM-IV） were enrolled at the Psychosomatic Medicine Center of Sichuan Provincial People's Hospital from January 2020 to March 2021. Another 72 healthy individuals matched for age and gender from Chengdu were concurrently recruited as control group. The Panic Disorder Severity Scale （PDSS） was used to assess the severity of symptoms in panic disorder patients. Quantitative real-time polymerase chain reaction （PCR） was used to detect gene expression levels in two groups. Spearman correlation analysis was adopted to determine the correlation between PDSS score and immune-related gene expression in research group. ResultsThe expression of the JUN， PTGS2 and TGFBR1 genes were significant higher in panic disorder patients than those in control group （Z=-4.172， -2.086， -3.018， P<0.05 or 0.01）. After false discovery rate （FDR） correction for multiple testing， the differential expression of JUN and TGFBR1 genes remained statistically significant between two groups （P<0.05）. There was no significant difference in the expression of CCR4， CXCL8， IL6R and TLR2 genes between two groups （P>0.05）. Correlation analysis revealed that the expression of the JUN gene in panic disorder patients was positively correlated with PDSS score （r=0.360， P<0.01）， while the CCR4， CXCL8， IL6R， PTGS2， TGFBR1 and TLR2 genes showed no statistically significant correlation with the PDSS score （P>0.05）. ConclusionThe expression of the JUN and TGFBR1 genes may be associated with panic disorder， and the expression of the JUN gene correlated with the severity of panic disorder. ［Funded by Science and Technology Plan Project of Sichuan Provincial Department of Science and Technology （number， 2021YJ0440）］

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Relationship between default mode network functional connectivity and clinical symptoms in patients with first-episode major depressive disorder

Ziliang HAN ; Yongli LAI ; Dongsheng YU ; Wuhong LIN ; Ping YAO ; Min LIU ; Min CHEN ; Dongsheng LYU

Sichuan Mental Health.2025;38(5):398-404. doi:10.11886/scjsws20250626001

BackgroundThe functional changes of the default mode network （DMN） are closely related to the onset of major depressive disorders. However， the relationship between the DMN subsystem （core subsystem， dorsomedial prefrontal cortex subsystem， medial temporal lobe subsystem） and symptoms of first-episode major depressive disorder remains unclear. ObjectiveTo investigate abnormal functional connectivity between DMN subsystems and the whole brain in first-episode major depressive disorder patients during the resting-state， and to analyse the correlations between these functional connectivity patterns and clinical symptoms， so as to reveal the potential neural mechanisms from the perspective of DMN subsystem. MethodsFrom September 2020 to September 2023， a total of 64 first-episode outpatients and inpatients meeting the diagnostic criteria for major depressive disorder in the Diagnostic and Statistical Manual of Mental Disorders， fourth edition （DSM-IV） were enrolled at the Inner Mongolia Autonomous Region Mental Health Center as the study group. During the same period， 54 healthy volunteers matched for age， gender， and years of education were recruited from the community as the control group. Both groups were assessed using the Hamilton Depression Scale-24 item （HAMD-24）. Resting-state functional magnetic resonance images （rs-fMRI） of the two groups were acquired using a Siemens 3.0 T scanner， and differences in functional connectivity between DMN subsystems （core subsystem， dorsomedial prefrontal cortex subsystem， medial temporal lobe subsystem） and the whole brain were compared. The functional connectivity values of brain regions with statistically significant differences between the two groups were extracted. Spearman's rank correlation coefficient analysis was used to investigate the correlation between these functional connectivity values and HAMD-24 scores of the study group. ResultsUltimately， 46 patients and 43 controls completed the study. Compared with the control group， the study group exhibited significantly stronger functional connectivity in the following pathways： between the right superior parietal lobule （core subsystem） and right cerebellar lobule VIII （t=3.954， P<0.05， GRF-corrected）， between the right lateral temporal cortex （dorsomedial prefrontal cortex subsystem） and right cerebellar lobule VIII， right and left hippocampi， right medial， and paracingulate gyrus （t=4.595， 4.208， 5.200， 4.038， P<0.05， GRF-corrected）， and between the temporoparietal junction （dorsomedial prefrontal cortex subsystem） and left lingual gyrus and right cerebellar lobule VIII （t=3.557， 4.274， P<0.05， GRF-corrected）. Conversely， weaker functional connectivity was observed between the right inferior frontal gyrus and left gyrus rectus （t=-3.824， P<0.05， GRF-corrected）. Furthermore， within the study group， the functional connectivity values between the right lateral temporal cortex and right hippocampus， as well as between the temporoparietal junction and right cerebellar lobule VIII， were both negatively correlated with the HAMD-24 cognitive impairment factor score （r=-0.306， -0.318， P<0.05）. ConclusionIncreased functional connectivity between the DMN （specifically its core and dorsomedial prefrontal cortex subsystems） and cerebellum， partial limbic system， and lingual gyrus may be associated with the neuropathology of first-episode major depressive disorder. Furthermore， alterations in functional connectivity between the dorsomedial prefrontal cortex subsystem and both the cerebellum and hippocampus in these patients may be related to cognitive function. ［Funded by 2019 Annual Inner Mongolia Autonomous Region Natural Science Foundation Project （number， 2019MS03038）； 2023 Annual Inner Mongolia Autonomous Region Natural Science Foundation Project （number， 2023MS08028）］

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Study on the differences in BMI-oxygen saturation-sleep position-heart rate variability between OSA and non-OSA populations based on a network model

Yao LUO ; Anlin WANG ; Tingting WANG ; Xuemei LIANG ; Bo XIANG ; Kezhi LIU

Sichuan Mental Health.2025;38(5):405-413. doi:10.11886/scjsws20250303001

BackgroundIn recent years， the prevalence of obstructive sleep apnea （OSA） is escalating in China， leading to a serious disease burden. However， previous studies on the influencing factors of OSA， such as obesity and sleep position， were mostly cross-sectional studies. This approach inherently hinders the identification of dynamic interaction mechanism among multiple variables， consequently obstructing the formulation of individualized intervention strategies. ObjectiveTo investigate the differences in body mass index （BMI）-oxygen saturation-sleep position-heart rate variability （HRV） network models between OSA and non-OSA populations， thereby offering a reference for the early detection and management of OSA. MethodsA total of 384 adult participants undergoing sleep monitoring at the Affiliated Hospital of Southwest Medical University from July 12， 2022 to October 11， 2023 were included. Subjects were categorized into OSA group （n=203） and control group （n=181） based on an apnea-hypopnea index （AHI） threshold of 5 events per hour. Subsequently， BMI-oxygen saturation-sleep position-HRV networks were constructed and compared between two groups. ResultsThere was no significant difference in the overall edge weight （P=0.55） and overall strength （P=0.28） of the network model between control group and OSA group. Notable differences emerged in both the node connection strength （e.g.， minimum oxygen saturation with BMI， sleep in prone position， and mean RR interval） and node centrality indices （mean oxygen saturation， minimum oxygen saturation， AHI in upright position， AHI in right lateral position and mean heart rate） within the two network models （P<0.05）. ConclusionSignificant differences are observed between the non-OSA and OSA populations in specific factors， including sleep position， heart rate and oxygen saturation.

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Proximal effect of anxiety on non-suicidal self-injury behaviors in adolescent patients with depression and the intervention efficacy of modified cognitive behavioral therapy： an ecological momentary assessment study

Shaonan HUANG ; Jun KONG ; Zheng LIU ; Yi ZHANG ; Weijuan ZHANG ; Xiao WANG ; Xiucheng TANG ; Jiansong ZHOU

Sichuan Mental Health.2025;38(5):414-420. doi:10.11886/scjsws20250329001

BackgroundIn recent years， the prevalence of depression among adolescents has risen steadily， alongside an increasing prominence of non-suicidal self-injury （NSSI） behaviors in this population， which may elevate suicide risk and constitute a serious public health problem. Negative emotions such as anxiety and depression are closely related to NSSI behaviors. Previous studies have predominantly relied on retrospective reports， limiting the ability to dynamically capture temporal relationships between emotional fluctuations and NSSI behaviors. Moreover， cognitive behavioral therapy （CBT） often lacks targeted design to address proximal triggers in interventions for NSSI behaviors. ObjectiveTo verify that anxiety as a proximal trigger factor for NSSI behaviors in adolescent patients with depression， and to evaluate the efficacy of modified CBT integrated with ecological momentary assessment （EMA） data in alleviating their anxiety and self-injury urges. MethodsA prospective cohort study design was adopted. A total of 132 adolescent patients with a history of NSSI behaviors who were treated at Jiujiang Fifth People's Hospital from January to December 2024 and met the diagnostic criteria for depression in the Diagnosed and Statistical Manual of Mental Disorders， fifth edition （DSM-5）. A smartphone-based EMA application to conduct natural situation emotions on participants for 14 consecutive days. The monitoring period spanned from 10∶00 to 22∶00 daily， with randomized assessments pushed every 2 hours. The assessment tools included the Self-rating Anxiety Scale （SAS） and the negative affect subscale of the Positive and Negative Affect Schedule （PANAS）， with real-time recording of NSSI behaviors and emotional states before and after their occurrence. Repeated measures analysis of variance was used to compare the dynamic changes in the scores of each scale before and after the episodes of NSSI behaviors. A modified CBT was administered to 83 participants who completed EMA data collection， with sessions conducted once weekly for 12 weeks. Anxiety levels were accessed using the SAS， and the self-injury urges was evaluated using the Ottawa Self-injury Inventory （OSI） before and after the intervention. ResultsEMA data revealed that SAS scores were significantly higher during the 1-2 hours before NSSI episodes compared to baseline periods ［（56.19±11.06）vs.（52.83±10.25），P<0.01］. SAS scores were positively correlated with the NSSI behavioral scores （r=0.460，P<0.01，95% CI：0.310-0.580）. After receiving modified CBT intervention， adolescent patients with depression demonstrated statistically significant decreases in both SAS scores ［（52.30±8.10） vs.（48.70±7.30），t（82）=4.820，P<0.01，Cohen's d=0.420］ and the OSI self-injury impulse subcale scores ［（12.80±2.70） vs.（9.60±2.50），t（82）=5.170，P<0.01，Cohen's d=0.510］ compared to their pre-intervention levels. ConclusionAnxiety may serve as a proximal trigger for NSSI behaviors in adolescent patients with depression. Modified CBT integrating EMA data could potentially alleviate their anxiety level and self-injury urges. ［Funded by Science and Technology Plan Project of Jiangxi Provincial Health Commission （number， SKJP220227629）］

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Effect of group reminiscence therapy on depressive symptoms， cognitive function， and quality of life in elderly patients with diabetes and mild to moderate depression

Liwei LI ; Na GUO ; Qi WANG ; Dan HOU

Sichuan Mental Health.2025;38(5):421-426. doi:10.11886/scjsws20250227004

BackgroundThe prevalence of depression is elevated in elderly patients with diabetes， underscoring the critical importance of implementing early psychological intervention to improve their clinical outcomes.However， the cognitive function level of patients may limit the implementation of these intervention methods. While prior research has predominantly focused on interventions such as cognitive behavioral therapy and interpersonal psychotherapy to mitigate the depressive symptoms in this demographic， the exploration of group reminiscence therapy as a therapeutic approach remains underrepresented in the existing literature. ObjectiveTo investigate the effect of group reminiscence therapy on depressive symptoms， cognitive function， and quality of life in elderly patients with diabetes and mild to moderate depression， so as to provide valuable insights for psychological intervention of elderly diabetic patients. MethodsA randomized controlled trial was conducted to recruit 80 elderly diabetic patients with mild to moderate depression attending the endocrine clinic of Northeast International Hospital from June 2022 to December 2023. Subjects were randomly allocated to either the study group or the control group using the random number table method， with 40 cases in each group. Both groups received standard diabetes care and mental health education. Additionally， the study group participated in an 8-week group reminiscence therapy intervention， convening once weekly for 1.5 hours per session. Hamilton Depression Scale-24 item （HAMD-24）， Wisconsin Card Sorting Test （WCST）， Verbal Fluency Test （VFT）， Stroop Color Word Test （SCWT） and Generic Quality of Life Inventory-74 （GQOLI-74） were administered before and after intervention. ResultsAfter intervention， the study group exhibited a significantly lower HAMD-24 score compared with the control group （F=13.908， P<0.01）. The study group also demonstrated better performance in cognitive assessments， as evidenced by increased percentages of correct responses and conceptual-level responses on the WCST， a greater number of correct words on the VFT， and a higher number of accurate responses on the SCWT， all in contrast to the control group （F=14.672， 17.000， 13.309， 21.672， P<0.01）. The study group reported superior quality of life outcomes， with higher total GQOLI-74 scores and significant improvements in the domains of physical function， social function， psychological function， and material life status compared with the control group （F=33.098， 41.224， 16.320， 19.432， P<0.01）. ConclusionGroup reminiscence therapy has the potential to alleviate depressive symptoms， enhance cognitive function and improve quality of life in elderly diabetic patients with mild to moderate depression.

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Latent profile analysis of non-suicidal self-injury behaviors in adolescent outpatients

Liqiong LIN ; Qianle LEI ; Huang feng LIN ; Qin JIANG

Sichuan Mental Health.2025;38(5):427-433. doi:10.11886/scjsws20250218001

BackgroundPrevious studies on subgroups of adolescent non-suicidal self-injury （NSSI） behaviors have predominantly focused on community and school-based samples， with limited research on clinical samples. The precise identification of clinically distinct NSSI subgroups in adolescents is critical for optimizing medical resource allocation. ObjectiveTo explore the subgroups of NSSI in adolescent outpatients， and to provide references for intervening of NSSI behaviors. MethodsFrom May 2021 to April 2022， 192 adolescents who met the NSSI diagnostic criteria as outlined in the Diagnostic and Statistical Manual of Mental Disorders， fifth edition （DSM-5） were recruited from psychiatry or psychology clinics at 6 hospitals in Fujian Province. Participants were assessed using the Adolescent Non-suicidal Self-injury Assessment Questionnaire （ANSAQ）， the Childhood Trauma Questionnaire （CTQ）， the Depression Anxiety Stress Scale-21 item（DASS-21） and the Difficulties in Emotion Regulation Scale （DERS）. Latent profile analysis was conducted using Mplus 8.0. ResultsA total of 192 adolescents with NSSI behaviors completed the study， and the analysis yielded three subgroups of self-injurers： the mild self-injury group （50 cases， 26.04%）， the emotional disorder group （81 cases， 42.19%）， and the severe self-injury group （61 cases， 31.77%）. There were significant differences in the total scores of CTQ， DASS-21 and DERS among the three groups （F=8.058， 51.414， 48.742， P<0.01）. The severe self-injury group exhibited significantly higher scores in CTQ， DASS-21 and DERS when compared to both the mild self-injury group and the emotional disorder group （P<0.05）. Moreover， the emotional disorder group also reported notably higher DASS-21 and DERS scores in comparison to the mild self-injury group （P<0.05）. ConclusionClinical studies on adolescent outpatients engaging in NSSI behaviors reveal three distinct typological profiles， mild self-injury， emotional disorder-related self-injury， and severe self-injury. ［Funded by Fujian Social Science Planning Project （number， FJ2019B173）］

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Effect of cumulative family risk on non-suicidal self-injury behaviors in college students： a moderated chain mediation model

Yuqi WANG ; Xinghua LAI ; Xiaoyuan AN ; Yao WANG ; Huitong ZHAO ; Zengyan YU

Sichuan Mental Health.2025;38(5):434-441. doi:10.11886/scjsws20250226003

BackgroundNon-suicidal self-injury （NSSI） behaviors have become a serious global public health issue.The detection rate of NSSI behaviors among college students in China ranges from 9.8% to 13.53%. Integrated theoretical models suggest that distal family risk factors influence NSSI behaviors through emotional regulation mechanisms. However， existing researches have predominantly focused on single family risks， leaving the relationship between cumulative family risks and NSSI behaviors， as well as the underlying pathways， remain unclear. ObjectiveTo explore the effects of cumulative family risk on NSSI behaviors among college students， analyze the chain mediating roles of emotional regulation difficulties and depression， and examine the moderating effect of gender， so as to provide references for targeted interventions for NSSI behaviors in college students. MethodsOn March 1， 2024， a cluster sampling method was employed to select 518 college students from two universities in Heilongjiang Province. Assessments were conducted using Chinese version of the Childhood Trauma Questionnaire （CTQ）， the Difficulties in Emotion Regulation Scale （DERS）， the Patient Health Questionnaire Depression Scale-9 item （PHQ-9） and the Adolescent Self-Injury Questionnaire. Logistic regression analysis was used to examine the impact of cumulative family risk factors on NSSI behaviors among college students. Model 6 in Process 4.1 was applied to test the chain mediating roles of emotional regulation difficulties and depression in the relationship between cumulative family risk and NSSI behaviors， while model 83 was utilized to analyze the moderating effects of gender on the path "cumulative family risk → emotion regulation difficulties". ResultsA total of 475 （91.70%） college students completed valid questionnaires. Logistic regression analysis revealed that childhood abuse （OR=2.561， 95% CI： 1.566-2.561）， non-parental family structure （OR=2.108， 95% CI：1.102-4.029） and left-behind experience （OR=2.356， 95% CI： 1.021-5.439） were risk factors for NSSI behaviors among college students. Cumulative family risk positively predicted NSSI behaviors （β=0.345，95% CI：1.059-4.286， P<0.01）， and this relationship was mediated by a chain pathway involving emotional regulation difficulties （β=0.136，95% CI： 0.882-4.681， P<0.05） and depression （β=0.160， 95% CI： 0.316-1.073， P<0.01）. Gender moderated the relationship between cumulative family risk and emotional regulation difficulties （β=0.103， 95% CI： 1.567-8.316， P<0.01）， with cumulative family risk significantly predicting emotional regulation difficulties in female students （β=0.374， 95% CI： 0.099-0.084， P<0.01）. ConclusionCumulative family risk can directly influence college students' NSSI behaviors， and may also indirectly affect NSSI behaviors through the mediating roles of emotional regulation difficulties and depression. The path "cumulative family risk → emotional regulation difficulties" in this mediating model is moderated by gender.［Funded by Heilongjiang Philosophy and Social Sciences Research Planning Project （number， 24SHB007）］

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Relationship between negative parenting styles and adolescent depressive symptoms： a structural equation modeling approach to multiple mediation pathways

Peiqi TANG ; Liyuan LI ; Yuxuan GUO ; Juexi LI ; Ting YANG ; Ting PU ; Haixi ZUO ; Bo ZHOU

Sichuan Mental Health.2025;38(5):442-449. doi:10.11886/scjsws20250323001

BackgroundThe distressingly high prevalence of depressive symptoms among adolescents exerts profound impacts on their physical and psychological development， urgently necessitating effective preventive interventions. Existing studies， however， have predominantly focused on isolated risk factors， neglecting to construct an integrated model that systematically disentangles the intricate relationships linking parenting styles， learning burnout， and childhood trauma to adolescent depressive symptoms. Moreover， the potential protective roles of social support and psychological resilience in this context remain insufficiently elucidated. ObjectiveTo construct a structural equation model encompassing multiple pathways to unravel the comprehensive mechanisms through which negative parenting styles， childhood trauma， learning burnout， psychological resilience， and social support collectively influence adolescent depressive symptoms， thereby providing evidence-based intervention strategies. MethodsA stratified sampling technique was utilized to recruit 5 865 students from 12 middle schools in Chengdu City， Sichuan Province from March to May 2022. Participants were assessed using the following validated instruments： the Short-form Egna Minnen av Barndoms Uppfostran （s-EMBU）， the Childhood Trauma Questionnaire-Short Form （CTQ-SF）， the Adolescent Student Burnout Inventory， the Patients' Health Questionnaire Depression Scale-9 item （PHQ-9）， the Social Support Rating Scale （SSRS），and the Connor-Davidson Resilience Scale （CD-RISC）. A partial least squares structural equation modeling （PLS-SEM） approach was employed to construct a predictive framework examining the complex network of pathways through which negative parenting styles， childhood trauma， learning burnout， psychological resilience，and social support collectively influence depressive symptoms in adolescents. ResultsThe PHQ-9 scores demonstrated significant positive correlations with the scores on s-EMBU overprotection subscale （r=0.272， P<0.01）， s-EMBU rejection subscale （r=0.368， P<0.01）， CTQ-SF （r=0.288， P<0.01） and Adolescent Student Burnout Inventory （r=0.587， P<0.01）. Conversely， significant negative correlations were observed between PHQ-9 scores and both SSRS （r=-0.532， P<0.01） and CD-RISC scores （r=-0.418， P<0.01）. Negative parenting styles （β=0.113， 95% CI： 0.087-0.138） and learning burnout （β=0.339， 95% CI： 0.315-0.364） emerged as significant positive predictors of depressive symptoms， with childhood trauma mediating the relationship between negative parenting styles and depressive symptoms （effect size=0.018， 95% CI： 0.013-0.024）. Social support servesed as a mediating pathway between negative parenting styles and depressive symptoms （β=0.080， 95% CI： 0.069-0.092）， as well as between negative parenting styles and childhood trauma （β=0.041， 95% CI： 0.032-0.050）. It also functioned as an intermediary pathway linking learning burnout to depressive symptoms （β=0.092， 95% CI： 0.081-0.104） and connecting learning burnout with childhood trauma （β=0.048， 95% CI： 0.037-0.058）. Additionally， psychological resilience serveed as a mediating pathway between negative parenting styles and depressive symptoms （β=0.004， 95% CI： 0.002-0.007）， between learning burnout and depressive symptoms （β=0.037， 95% CI： 0.023-0.052）， and between childhood trauma and depressive symptoms （β=0.003， 95% CI： 0.001-0.006）. ConclusionLearning burnout exerts a direct effect on adolescent depressive symptoms. Negative parenting styles influence depressive symptoms both directly and indirectly through childhood trauma. Furthermore， social support and psychological resilience serve as mediator linking negative parenting styles and learning burnout to depressive symptoms in adolescents. ［Funded by Science and Technology Project of the Health Commission of Sichuan Province （number， 24LCYJPT18）］

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Effect of structured health education on the caregiver burden of adolescent patients with mood disorders

Lingli JIANG ; Zuolin WEI ; Bocheng XIA ; Chunhong DU ; Dan WANG ; Liangcheng XIANG ; Mingjin HUANG

Sichuan Mental Health.2025;38(5):450-456. doi:10.11886/scjsws20241008003

BackgroundThe adolescent mood disorders become more prevalent， imposing progressively greater perceived and actual caregiving burdens on caregivers， while the current health education resources， delivery formats and training programs remain insufficient in addressing their needs. ObjectiveTo evaluate the effect of structured health education on the caregiver burden associated with adolescent mood disorders， thereby informing evidence-based strategies for alleviating the burden. MethodsA total of 195 caregivers of adolescent inpatients with mood disorders admitted to a tertiary general hospital in Mianyang from June 1， 2020 to July 31， 2022 were consecutively enrolled and randomly assigned to either the research group （n=99） or the control group （n=96） using random number table method. Both groups received routine health education. In addition， the research group participated in a structured health education program comprising three modules covering disease knowledge， medication management， coping with family stress， and guidance for daily living. Upon admission， baseline information regarding both caregivers and adolescent inpatients was collected though a self-administered questionnaire. Caregiver Strain Index （CSI） was administered to assess caregiver burden at admission， discharge， and 1， 3 and 6 months post-discharge. A self-designed health education feedback questionnaire was administered on the day of discharge to evaluate caregivers' feedback on the health education. At 6 months post-discharge， data on any hospital readmission were collected. ResultsUltimately， 85 caregivers （85.86%） in the research group and 84 caregivers （87.50%） in the control group completed the study. Generalized estimating equation analysis revealed significant time effects and group-by-time interaction effects on CSI scores between the two groups （Wald χ²=790.347， 10.047， P<0.05 or 0.01）. There was no statistically significant difference between the two groups in terms of access to disease information， trust preference and core information needs （P>0.05）. Additionally， caregivers in the research group reported significantly better understanding of the disease-related knowledge and higher ratings on the effectiveness of health education when compared to the control group， with statistically significant differences （P<0.01）. ConclusionIn contrast to routine health education， structured health education may help alleviate caregiving burden among caregivers of adolescents with mood disorders.［Funded by Sichuan Medical Association Project （number， Q190004）］

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