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1.
Mol Psychiatry ; 2024 May 10.
Artigo em Inglês | MEDLINE | ID: mdl-38729992

RESUMO

Decedents with no known mental disorder comprise 5-40% of suicides, suggesting that suicide ideation (SI) and behavior may occur in the psychiatrically healthy with important implications for suicide risk screening. Healthy Volunteers (HV) and patients with Major Depressive Disorder (MDD) provided 7 days of Ecological Momentary Assessment (EMA) data about SI and stressors. Longitudinal mixed effects logistic regression models compared HV and patient SI and stressors. Mixed effects linear regression models compared HVs' and patients' SI score change from the previous epoch's SI score when each stressor occurred. HVs (n = 42) reported less frequent (p < 0.001) and less intense SI (p < 0.003) than patients (n = 80), yet did endorse SI and/or SI-related items in 44% of EMA epochs, endorsing SI items in 25% of epochs with non-zero SI scores. For 7 of 8 stressors, patients reported stressors more often than HVs (all p < 0.001) responding to them with increased SI (0.0001 < p < 0.0472). HVs were relatively resilient to stressors, reporting SI increases only in response to neglect (p < 0.0147). Although SI and SAs are documented among psychiatrically healthy individuals, scientific attention to these observations has been scant. Real-time SI measurement showed that HVs' SI was less pronounced than MDD patients', but was endorsed, nonetheless. Patients were more likely to report stressors than HVs, perhaps due to greater sensitivity to the environment, and reported SI in response to stressors, which was less common in HVs. Both MDD patients and HVs most often manifested passive SI (viz, "decreased wish to live"). However, passive SI (viz, "desire for death"), may predict suicide, even absent SI per se (thinking about killing yourself). This study validates the utility of real-time SI assessment, showing that HVs endorse SI items in 11% of epochs, which implies that suicide risk screening focused on those with mental disorders may be too narrow an approach.

2.
Contemp Clin Trials ; 140: 107492, 2024 05.
Artigo em Inglês | MEDLINE | ID: mdl-38484793

RESUMO

BACKGROUND: The Safety Planning Intervention with follow-up services (SPI+) is a promising suicide prevention intervention, yet many Emergency Departments (EDs) lack the resources for adequate implementation. Comprehensive strategies addressing structural and organizational barriers are needed to optimize SPI+ implementation and scale-up. This protocol describes a test of one strategy in which ED staff connect at-risk patients to expert clinicians from a Suicide Prevention Consultation Center (SPCC) via telehealth. METHOD: This stepped wedge, cluster-randomized trial compares the effectiveness, implementation, cost, and cost offsets of SPI+ delivered by SPCC clinicians versus ED-based clinicians (enhanced usual care; EUC). Eight EDs will start with EUC and cross over to the SPCC phase. Blocks of two EDs will be randomly assigned to start dates 3 months apart. Approximately 13,320 adults discharged following a suicide-related ED visit will be included; EUC and SPCC samples will comprise patients from before and after SPCC crossover, respectively. Effectiveness data sources are electronic health records, administrative claims, and the National Death Index. Primary effectiveness outcomes are presence of suicidal behavior and number/type of mental healthcare visits and secondary outcomes include number/type of suicide-related acute services 6-months post-discharge. We will use the same data sources to assess cost offsets to gauge SPCC scalability and sustainability. We will examine preliminary implementation outcomes (reach, adoption, fidelity, acceptability, and feasibility) through patient, clinician, and health-system leader interviews and surveys. CONCLUSION: If the SPCC demonstrates clinical effectiveness and health system cost reduction, it may be a scalable model for evidence-based suicide prevention in the ED.


Assuntos
Serviço Hospitalar de Emergência , Prevenção do Suicídio , Telemedicina , Adulto , Feminino , Humanos , Masculino , Serviço Hospitalar de Emergência/organização & administração , Projetos de Pesquisa , Telemedicina/organização & administração , Ensaios Clínicos Controlados Aleatórios como Assunto
4.
JAMA Psychiatry ; 81(6): 572-578, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38381442

RESUMO

Importance: Not all people who die by suicide have a psychiatric diagnosis; yet, little is known about the percentage and demographics of individuals with lifetime suicide attempts who are apparently psychiatrically healthy. If such suicide attempts are common, there are implications for suicide risk screening, research, policy, and nosology. Objective: To estimate the percentage of people with lifetime suicide attempts whose first attempt occurred prior to onset of any psychiatric disorder. Design, Setting, and Participants: This cross-sectional study used data from the US National Epidemiologic Study of Addictions and Related Conditions III (NESARC-III), a cross-sectional face-to-face survey conducted with a nationally representative sample of the US civilian noninstitutionalized population, and included persons with lifetime suicide attempts who were aged 20 to 65 years at survey administration (April 2012 to June 2013). Data from the NESARC, Wave 2 survey from August 2004 to September 2005 were used for replication. Analyses were performed from April to August 2023. Exposure: Lifetime suicide attempts. Main Outcomes and Measures: The main outcome was presence or absence of a psychiatric disorder before the first lifetime suicide attempt. Among persons with lifetime suicide attempts, the percentage and 95% CI of those whose first suicide attempt occurred before the onset of any apparent psychiatric disorders was calculated, weighted by NESARC sampling and nonresponse weights. Separate analyses were performed for males, females, and 3 age groups (20 to <35, 35-50, and >50 to 65 years). Results: In the total sample of 36 309 respondents, 1948 persons had lifetime suicide attempts; 66.8% (95% CI, 64.1%-69.4%) were female, and 6.2% (95% CI, 4.9%-7.4%) had no apparent lifetime psychiatric diagnoses when surveyed. In addition, 13.4% (95% CI, 11.6%-15.2%) made their first suicide attempt prior to psychiatric disorder onset. Thus, an estimated 19.6% of respondents first attempted suicide without an antecedent psychiatric disorder. No significant age or sex differences were detected in the percentage of those with lifetime suicide attempts absent psychiatric disorders, although females were more likely than males to attempt suicide in the year of psychiatric disorder onset (14.9% [95% CI, 12.5%-17.3%] vs 8.6% [95% CI, 6.0%-11.2%]; P < .001), and attempts were less frequent among those older than 50 to 65 years (3.9% [95% CI, 3.5%-4.4%] vs 6.1% [95% CI, 5.4%-6.8%] for 35-50 years and 6.2% [95% CI, 5.6%-6.9%] for 20 to <35 years; P < .001). Conclusions and Relevance: In this study, an estimated 19.6% of individuals who attempted suicide did so despite not meeting criteria for an antecedent psychiatric disorder. This finding challenges clinical notions of who is at risk for suicidal behavior and raises questions about the safety of limiting suicide risk screening to psychiatric populations.


Assuntos
Transtornos Mentais , Tentativa de Suicídio , Humanos , Tentativa de Suicídio/estatística & dados numéricos , Tentativa de Suicídio/psicologia , Feminino , Masculino , Adulto , Pessoa de Meia-Idade , Estudos Transversais , Estados Unidos/epidemiologia , Idoso , Transtornos Mentais/epidemiologia , Transtornos Mentais/psicologia , Adulto Jovem , Fatores Sexuais
6.
Implement Sci Commun ; 4(1): 148, 2023 Nov 24.
Artigo em Inglês | MEDLINE | ID: mdl-38001478

RESUMO

BACKGROUND: Clinicians often report that their own anxiety and low self-efficacy inhibit their use of evidence-based suicide prevention practices, including gold-standard screening and brief interventions. Exposure therapy to reduce clinician maladaptive anxiety and bolster self-efficacy use is a compelling but untested approach to improving the implementation of suicide prevention evidence-based practices (EBPs). This project brings together an interdisciplinary team to leverage decades of research on behavior change from exposure theory to design and pilot test an exposure-based implementation strategy (EBIS) to target clinician anxiety to improve suicide prevention EBP implementation. METHODS: We will develop, iteratively refine, and pilot test an EBIS paired with implementation as usual (IAU; didactic training and consultation) in preparation for a larger study of the effect of this strategy on reducing clinician anxiety, improving self-efficacy, and increasing use of the Columbia Suicide Severity Rating Scale and the Safety Planning Intervention in outpatient mental health settings. Aim 1 of this study is to use participatory design methods to develop and refine the EBIS in collaboration with a stakeholder advisory board. Aim 2 is to iteratively refine the EBIS with up to 15 clinicians in a pilot field test using rapid cycle prototyping. Aim 3 is to test the refined EBIS in a pilot implementation trial. Forty community mental health clinicians will be randomized 1:1 to receive either IAU or IAU + EBIS for 12 weeks. Our primary outcomes are EBIS acceptability and feasibility, measured through questionnaires, interviews, and recruitment and retention statistics. Secondary outcomes are the engagement of target implementation mechanisms (clinician anxiety and self-efficacy related to implementation) and preliminary effectiveness of EBIS on implementation outcomes (adoption and fidelity) assessed via mixed methods (questionnaires, chart-stimulated recall, observer-coded role plays, and interviews). DISCUSSION: Outcomes from this study will yield insight into the feasibility and utility of directly targeting clinician anxiety and self-efficacy as mechanistic processes informing the implementation of suicide prevention EBPs. Results will inform a fully powered hybrid effectiveness-implementation trial to test EBIS' effect on implementation and patient outcomes. TRIAL REGISTRATION: Clinical Trials Registration Number: NCT05172609 . Registered on 12/29/2021.

7.
JMIR Res Protoc ; 12: e48177, 2023 Sep 29.
Artigo em Inglês | MEDLINE | ID: mdl-37773618

RESUMO

BACKGROUND: Suicide attempts and suicide death disproportionately affect sexual and gender minority emerging adults (age 18-24 years). However, suicide prevention strategies tailored for emerging adult sexual and gender minority (EA-SGM) groups are not widely available. The Safety Planning Intervention (SPI) has strong evidence for reducing the risk for suicide in the general population, but it is unclear how best to support EA-SGM groups in their use of a safety plan. Our intervention (Supporting Transitions to Adulthood and Reducing Suicide [STARS]) builds on content from an existing life skills mobile app for adolescent men who have sex with men (iREACH) and seeks to target core risk factors for suicide among EA-SGM groups, namely, positive affect, discrimination, and social disconnection. The mobile app is delivered to participants randomized to STARS alongside 6 peer mentoring sessions to support the use of the safety plan and other life skills from the app to ultimately reduce suicide risk. OBJECTIVE: We will pilot-test the combination of peer mentoring alongside an app-based intervention (STARS) designed to reduce suicidal ideation and behaviors. STARS will include suicide prevention content and will target positive affect, discrimination, and social support. After an in-person SPI with a clinician, STARS users can access content and activities to increase their intention to use SPI and overcome obstacles to its use. EA-SGM groups will be randomized to receive either SPI alone or STARS and will be assessed for 6 months. METHODS: Guided by the RE-AIM (reach, efficacy, adoption, implementation, and maintenance) framework, we will recruit and enroll a racially and ethnically diverse sample of 60 EA-SGM individuals reporting past-month suicidal ideation. Using a type-1 effectiveness-implementation hybrid design, participants will be randomized to receive SPI (control arm) or to receive SPI alongside STARS (intervention arm). We will follow the participants for 6 months, with evaluations at 2, 4, and 6 months. Preliminary effectiveness outcomes (suicidal ideation and behavior) and hypothesized mechanisms of change (positive affect, coping with discrimination, and social support) will serve as our primary outcomes. Secondary outcomes include key implementation indicators, including participants' willingness and adoption of SPI and STARS and staff's experiences with delivering the program. RESULTS: Study activities began in September 2021 and are ongoing. The study was approved by the institutional review board of the University of Pennsylvania (protocol number 849500). Study recruitment began on October 14, 2022. CONCLUSIONS: This project will be among the first tailored, mobile-based interventions for EA-SGM groups at risk for suicide. This project is responsive to the documented gaps for this population: approaches that address chosen family, focus on a life-course perspective, web approaches, and focus on health equity and provision of additional services relevant to sexual and gender minority youth. TRIAL REGISTRATION: ClinicalTrials.gov NCT05018143; https://classic.clinicaltrials.gov/ct2/show/NCT05018143. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/48177.

8.
Asian J Psychiatr ; 88: 103739, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37619422

RESUMO

Psychiatric practice faces many challenges in the first quarter of 21st century. Society has transformed, as have training requirements and patient expectations, underlining an urgent need to look at educational programmes. Meanwhile, awareness has grown around psychiatric disorders and there are evolving workforce trends, with more women going to medical school and specialising in psychiatry. Trainee psychiatrists carry different expectations for work-life balance and are increasingly becoming conscious of their own mental health. A tendency to see health as a commodity and the litigious nature of society has elicited additional pressures for healthcare professionals. Cartesian mind-body dualism has created further complexity and this can often be frustrating for patients and care-partners alike. In many cultures across Asia and beyond, patients can present with physical symptoms to express underlying psychological distress with increasing physical investigations. Simultaneously, in various countries, a shift from asylums to community-based interventions and then home treatments have changed psychiatric care in remarkable ways. These changes have added to pressures faced by mental healthcare professionals. However, trainees and other mental healthcare professionals continue to receive similar training as they did a generation ago. The tensions and differences in ideology/orientation between different branches of psychiatry have made responses to patient needs challenging. Recognising that it is difficult to predict the future, this World Psychiatric Association-Asian Journal of Psychiatry Commission makes recommendations that could help institutions and individuals enhance psychiatric education. This Commission draws from existing resources and recent developments to propose a training framework for future psychiatrists.


Assuntos
Transtornos Mentais , Psiquiatria , Humanos , Feminino , Psiquiatria/educação , Transtornos Mentais/terapia , Psicoterapia , Ásia
9.
J Affect Disord ; 341: 8-11, 2023 11 15.
Artigo em Inglês | MEDLINE | ID: mdl-37619654

RESUMO

OBJECTIVE: Our group reported previously a comparable overall antisuicidal effect of lithium and valproate in bipolar patients. We investigated factors associated with higher antisuicidal efficacy of lithium in older individuals. METHODS: The age-related antisuicidal effect of lithium and valproate was compared in ninety-four (n = 94) high-risk bipolar suicide attempters who participated in a 2.5-year randomized, double-blind trial. RESULTS: Age significantly moderated the effect of lithium vs. valproate on the risk of suicide event during the study (z = -1.98, p = 0.049). We found that those who were 42 years or older (above the 75th percentile), and on lithium had significantly lower risk of suicidal behavior than older patients on valproate (>42y) or younger (<42 y) patients on either medication (interaction HR = 0.09, 95%CI: 0.01-0.89, z = -2.07, p = 0.039). This difference in risk differences was not explained away by age-related differences in the proportion of participants with bipolar II disorder (Fisher's test p = 0.020) or higher lethality of past suicide attempts in younger participants (Wilcoxon test p = 0.024); neither was there any correlation with age in the longitudinally measured blood lithium levels (t = 1.04, df = 36, p = 0.307) or valproate levels (t = -0.50, df = 41, p = 0.621). LIMITATIONS: Besides the fact that this is a secondary analysis, a limitation is that the study is not powered to detect suicide deaths or suicide attempts. CONCLUSION: Bipolar patients randomized to lithium and older than 42 years had less suicidal behavior compared to same aged patients on valproate or younger patients (<42 y) on either medication. This effect was independent of clinical and sociodemographic characteristics.


Assuntos
Transtorno Bipolar , Idoso , Humanos , Fatores Etários , Transtorno Bipolar/tratamento farmacológico , Lítio , Ideação Suicida , Ácido Valproico/farmacologia , Adulto , Pessoa de Meia-Idade
10.
Psychiatry Res ; 327: 115315, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37542793

RESUMO

Higher intent suicide attempts carry elevated risk of future suicidal behavior. Abnormal functioning of the hypothalamic-pituitary-adrenal (HPA) axis is both linked to nonfatal suicidal behavior and suicide deaths in major depressive disorder. Few studies, however, have identified biological markers of a high-intent suicidal subgroup. We examined HPA axis output and reactivity to the Trier Social Stress Test (TSST) via salivary cortisol in depressed individuals (N=68) with a suicide attempt (SA) history. A median split of higher and lower suicidal intent scores was used to define groups. Individuals with high intent SA had attenuated total cortisol output (AUCg), F(1,60)=10.04, SE=5.095, p=.003, and lower HPA-axis stress responsivity to the TSST (AUCi), F(1,60)=4.50, SE=4.604, p=.039, compared with the low intent SA group. The high intent group also reported more pronounced negative affect than the low intent group (F[1,61]=6.413, SE=10.55, p=.014) both at baseline (meandiff=22.32, p=.038) and in response to the stressor task (meandiff=37.62, p=.003). Vulnerability to suicidal behavior in high-intent individuals may be related to the combined profile of impaired physiological responses to stress and greater negative affectivity. This clinical and biologic subgroup may benefit from targeted suicide prevention interventions.


Assuntos
Transtorno Depressivo Maior , Ideação Suicida , Humanos , Hidrocortisona , Depressão , Sistema Hipotálamo-Hipofisário , Sistema Hipófise-Suprarrenal , Estresse Psicológico , Saliva
11.
Br J Psychiatry ; 223(3): 415-421, 2023 09.
Artigo em Inglês | MEDLINE | ID: mdl-37395098

RESUMO

BACKGROUND: Childhood and lifetime adversity may reduce brain serotonergic (5-HT) neurotransmission by epigenetic mechanisms. AIMS: We tested the relationships of childhood adversity and recent stress to serotonin 1A (5-HT1A) receptor genotype, DNA methylation of this gene in peripheral blood monocytes and in vivo 5-HT1A receptor binding potential (BPF) determined by positron emission tomography (PET) in 13 a priori brain regions, in participants with major depressive disorder (MDD) and healthy volunteers (controls). METHOD: Medication-free participants with MDD (n = 192: 110 female, 81 male, 1 other) and controls (n = 88: 48 female, 40 male) were interviewed about childhood adversity and recent stressors and genotyped for rs6295. DNA methylation was assayed at three upstream promoter sites (-1019, -1007, -681) of the 5-HT1A receptor gene. A subgroup (n = 119) had regional brain 5-HT1A receptor BPF quantified by PET. Multi-predictor models were used to test associations between diagnosis, recent stress, childhood adversity, genotype, methylation and BPF. RESULTS: Recent stress correlated positively with blood monocyte methylation at the -681 CpG site, adjusted for diagnosis, and had positive and region-specific correlations with 5-HT1A BPF in participants with MDD, but not in controls. In participants with MDD, but not in controls, methylation at the -1007 CpG site had positive and region-specific correlations with binding potential. Childhood adversity was not associated with methylation or BPF in participants with MDD. CONCLUSIONS: These findings support a model in which recent stress increases 5-HT1A receptor binding, via methylation of promoter sites, thus affecting MDD psychopathology.


Assuntos
Transtorno Depressivo Maior , Humanos , Masculino , Feminino , Transtorno Depressivo Maior/diagnóstico por imagem , Transtorno Depressivo Maior/genética , Transtorno Depressivo Maior/tratamento farmacológico , Receptor 5-HT1A de Serotonina/genética , Receptor 5-HT1A de Serotonina/metabolismo , Receptor 5-HT1A de Serotonina/uso terapêutico , Metilação de DNA , Serotonina/metabolismo , Serotonina/uso terapêutico , Depressão , Encéfalo/patologia , Tomografia por Emissão de Pósitrons/métodos , Estresse Psicológico/genética
12.
Clin Psychol Sci ; 11(3): 409-424, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-37181407

RESUMO

Factor-analytic studies are needed in global samples to advance understanding of psychopathology. We aimed to examine the structure of psychopathology and a general psychopathology ('p') factor using data from a cross-sectional study of 971 adults (63% women) from Maputo City, Mozambique. We used confirmatory factor analyses of symptoms from 15 psychiatric disorders to test common models of the structure of psychopathology. Models including internalizing, substance use, and thought disorder factors as well as a general p-factor fit the data well. Measurement invariance testing revealed that factor loadings on p differed by gender. Higher levels of p, internalizing, and thought disorder factors were associated with greater suicide risk, psychiatric comorbidity, chronic medical illnesses, and poorer functioning. A general psychopathology ('p') factor and internalizing, substance use, and thought disorder factors are identifiable in this Mozambican sample. Understanding psychopathology dimensions is a step toward building more scalable mental health service approaches globally.

13.
Curr Psychiatry Rep ; 25(6): 255-262, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37178317

RESUMO

PURPOSE OF REVIEW: We review recent research on the epidemiology and etiology of suicide in the global context. We focus on data from low- and middle-income countries (LMIC), with the goal of highlighting findings from these under-researched, over-burdened settings. RECENT FINDINGS: Prevalence of suicide in LMIC adults varies across region and country income-level, but is, on average, lower than in high-income countries. Recent gains in suicide reduction, however, have been smaller in LMIC compared to global rates. LMIC youth have much higher rates of suicide attempts than youth from high-income countries. Females as well as people with psychiatric disorders, those living with HIV, those who are LGBTQ + , and those with poor socioeconomic status are highly vulnerable populations in LMIC. Limited and low-quality data from LMIC hinder clear interpretation and comparison of results. A greater body of more rigorous research is needed to understand and prevent suicide in these settings.


Assuntos
Transtornos Mentais , Saúde Mental , Adulto , Feminino , Adolescente , Humanos , Tentativa de Suicídio/prevenção & controle , Tentativa de Suicídio/psicologia , Transtornos Mentais/epidemiologia , Saúde Global , Prevalência , Ideação Suicida
14.
BMC Psychiatry ; 23(1): 274, 2023 04 20.
Artigo em Inglês | MEDLINE | ID: mdl-37081470

RESUMO

INTRODUCTION: Lower adherence to antiretroviral treatment (ART) has been found among people with HIV (PWH) who have comorbid mental disorders like depression and alcohol use in Sub-Saharan African. However, there has been less exploration with regards to other mental disorders. METHODS: This study assessed the association of multiple mental disorders and adherence to ART based on the data from primary/tertiary health care facilities in Maputo and Nampula, Mozambique. We administered a sociodemographic questionnaire, Mini International Neuropsychiatric Interview (MINI) Plus 4.0.0 adapted for use in Mozambique to assess mental conditions, and a 3-item self-report to measure ART adherence. RESULTS: 395 HIV-positive (self-report) participants on ART, with an average age of 36.7 years (SD = 9.8), and 30.4% were male. The most common mental disorders were major depressive disorder (27.34%) followed by psychosis (22.03%), suicidal ideation/behavior (15.44%), and alcohol-use disorder (8.35%). Higher odds of missing at least one dose in the last 30 days (OR = 1.45, 95% CI: 1.01, 2.10) were found in participants with any mental disorder compared to those without a mental disorder. The highest levels of non-adherence were observed among those with drug use disorders and panic disorder. CONCLUSIONS: In Mozambique, PWH with any co-occurring mental conditions had a lower probability of ART adherence. Integrating comprehensive mental health assessment and treatment and ART adherence interventions tailored to PWH with co-occurring mental disorders is necessary to attain optimal ART adherence and reach the UNAIDS ART target.


Assuntos
Transtorno Depressivo Maior , Infecções por HIV , Transtornos Mentais , Humanos , Masculino , Adulto , Feminino , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Infecções por HIV/epidemiologia , Estudos Transversais , Moçambique/epidemiologia , Transtorno Depressivo Maior/complicações , Transtornos Mentais/complicações , Transtornos Mentais/tratamento farmacológico , Transtornos Mentais/epidemiologia , Instalações de Saúde , Adesão à Medicação/psicologia
15.
Eur Neuropsychopharmacol ; 70: 1-13, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-36780841

RESUMO

We examined relationships between the serotonin system and stress in major depression and suicidal behavior. Twenty-five medication-free depressed participants (13 suicide attempters) underwent same-day [11C]DASB and [11C]CUMI-101 positron emission tomography (PET) imaging. Binding potential (BPND) to the serotonin transporter (5-HTT) and serotonin 1A (5-HT1A) receptor, respectively, was quantified using the NRU 5-HT atlas, reflecting distinct spatial distributions of multiple serotonin targets. Ecological momentary assessment (EMA) measured current stress over one week proximal to imaging. EMA stress did not differ between attempters and non-attempters. In all depressed participants, 5-HTT and 5-HT1A BPND were unrelated to EMA stress. There were region-specific effects of 5-HTT (p=0.002) and 5-HT1A BPND (p=0.03) in attempters vs. nonattempters. In attempters, region-specific associations between 5-HTT (p=0.03) and 5-HT1A (p=0.005) BPND and EMA stress emerged. While no post-hoc 5-HTT BPND correlations were significant, 5-HT1A BPND correlated positively with EMA stress in attempters in 9/10 regions (p-values<0.007), including the entire cortex except the largely occipital region 5. Brodmann-based regional analyses found diminished effects for 5-HTT and subcortically localized positive corrrelations between 5-HT1A and EMA stress, in attempters only. Given comparable depression severity and childhood and current stress between attempters and nonattempters, lower 5-HTT binding in attempters vs. nonattempters may suggest a biological risk marker. Localized lower 5-HTT and widespread higher 5-HT1A binding with stress among attempters specifically may suggest that a serotonergic phenotype might be a key determinant of risk or resiliency for suicidal behavior.


Assuntos
Transtorno Depressivo Maior , Humanos , Transtorno Depressivo Maior/diagnóstico por imagem , Transtorno Depressivo Maior/metabolismo , Proteínas da Membrana Plasmática de Transporte de Serotonina/metabolismo , Ideação Suicida , Serotonina/metabolismo , Encéfalo/diagnóstico por imagem , Encéfalo/metabolismo , Depressão , Avaliação Momentânea Ecológica , Biomarcadores/metabolismo , Tomografia por Emissão de Pósitrons/métodos , Receptor 5-HT1A de Serotonina/metabolismo
16.
Eur Psychiatry ; 66(1): e17, 2023 01 24.
Artigo em Inglês | MEDLINE | ID: mdl-36691786

RESUMO

BACKGROUND: Reported childhood adversity (CA) is associated with development of depression in adulthood and predicts a more severe course of illness. Although elevated serotonin 1A receptor (5-HT1AR) binding potential, especially in the raphe nuclei, has been shown to be a trait associated with major depression, we did not replicate this finding in an independent sample using the partial agonist positron emission tomography tracer [11C]CUMI-101. Evidence suggests that CA can induce long-lasting changes in expression of 5-HT1AR, and thus, a history of CA may explain the disparate findings. METHODS: Following up on our initial report, 28 unmedicated participants in a current depressive episode (bipolar n = 16, unipolar n = 12) and 19 non-depressed healthy volunteers (HVs) underwent [11C]CUMI-101 imaging to quantify 5-HT1AR binding potential. Participants in a depressive episode were stratified into mild/moderate and severe CA groups via the Childhood Trauma Questionnaire. We hypothesized higher hippocampal and raphe nuclei 5-HT1AR with severe CA compared with mild/moderate CA and HVs. RESULTS: There was a group-by-region effect (p = 0.011) when considering HV, depressive episode mild/moderate CA, and depressive episode severe CA groups, driven by significantly higher hippocampal 5-HT1AR binding potential in participants in a depressive episode with severe CA relative to HVs (p = 0.019). Contrary to our hypothesis, no significant binding potential differences were detected in the raphe nuclei (p-values > 0.05). CONCLUSIONS: With replication in larger samples, elevated hippocampal 5-HT1AR binding potential may serve as a promising biomarker through which to investigate the neurobiological link between CA and depression.


Assuntos
Experiências Adversas da Infância , Receptor 5-HT1A de Serotonina , Humanos , Receptor 5-HT1A de Serotonina/metabolismo , Depressão/diagnóstico por imagem , Depressão/metabolismo , Serotonina/metabolismo , Tomografia por Emissão de Pósitrons/métodos , Hipocampo/diagnóstico por imagem , Encéfalo/metabolismo
17.
Mol Psychiatry ; 28(7): 2764-2810, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-36653675

RESUMO

Suicide is a leading cause of death worldwide. In 2020, some 12.2 million Americans seriously contemplated suicide, 3.2 million planned suicide attempts, and 1.2 million attempted suicide. Traditionally, the approach to treating suicidal behavior (SB) has been to treat the "underlying" psychiatric disorder. However, the number of diagnoses associated with SB is considerable. We could find no studies describing the range of disorders reported to be comorbid with SB. This narrative review summarizes literature documenting the occurrence of SB across the lifespan and the full range of psychiatric diagnoses, not only BPD and those that comprise MDE, It also describes the relevance of these observations to clinical practice, research, and nosology. The literature searches contained the terms "suicid*" and each individual psychiatric diagnosis and identified 587 studies. We did not include case reports, case series, studies only addressing suicidal ideation or non-suicidal self-injury (NSSI), studies on self-harm, not distinguishing between SB and NSSI and studies that did not include any individuals that met criteria for a specific DSM-5 diagnosis (n = 366). We found that SB (suicide and/or suicide attempt) was reported to be associated with 72 out of 145 diagnoses, although data quality varied. Thus, SB is not exclusively germane to Major Depressive Episode (MDE) and Borderline Personality Disorder (BPD), the only conditions for which it is a diagnostic criterion. That SB co-occurs with so many diagnoses reinforces the need to assess current and past SB regardless of diagnosis, and supports the addition of charting codes to the DSM-5 to indicate current or past SB. It also comports with new data that specific genes are associated with SB independent of psychiatric diagnoses, and suggests that SB should be managed with specific suicide prevention interventions in addition to treatments indicated for co-occurring diagnoses. SB diagnostic codes would help researchers and clinicians document and measure SB's trajectory and response to treatment over time, and, ultimately, help develop secondary and tertiary prevention strategies. As a separate diagnosis, SB would preclude situations in which a potentially life-threatening behavior is not accounted for by a diagnosis, a problem that is particularly salient when no mental disorder is present, as is sometimes the case.


Assuntos
Transtorno da Personalidade Borderline , Transtorno Depressivo Maior , Comportamento Autodestrutivo , Humanos , Ideação Suicida , Tentativa de Suicídio/psicologia , Comportamento Autodestrutivo/epidemiologia , Comportamento Autodestrutivo/psicologia , Transtorno da Personalidade Borderline/epidemiologia , Fatores de Risco
18.
Int J Soc Psychiatry ; 69(2): 447-453, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-35841157

RESUMO

BACKGROUND: Emotional Contagion Behavior (ECB), the synchronized expression of emotional symptoms among members of a group, has been observed globally. In Mozambique, there have been numerous reports of ECB in recent years. Since 2010 several girls from a secondary school in Maputo City, Mozambique exhibited ECB which involved repeated fainting spells, sometimes including verbal aggression and threats to colleagues and teachers. We conducted a study to analyze sociodemographic and clinical characteristics associated with ECB. METHODS: This cross-sectional study included 154 females aged from 16 to 24 years old. We considered emotional contagion behavior as repeated fainting spells, sometimes including verbal aggression and threats to others (colleagues and teachers). Participants responded to a sociodemographic questionnaire, the Beck Anxiety Scale, and the revised Eysenck Personality Questionnaire (EPQ-R). Bivariate and multivariate logistic regression models analyzed sociodemographic and clinical characteristics associated with EBC. RESULTS: Among study participants, 57 presented ECB and 97 did not. The likelihood of ECB was higher among those with previous history of ECB (OR = 8.28, 95% CI [2.51, 27.30]; p ⩽ .001) and extroverted personality profile (OR = 1.15, 95% CI [1.01, 1.30]; p = .038). Having a romantic relationship was related to lower likelihood of having ECB (OR = 0.04, 95% CI [0.01, 0.19]; p = .001). CONCLUSIONS: These results suggest that ECB may repeat over time and be related to challenges pertaining to personality development, the presence of sexual life, and close relationships with peers faced by adolescent girls.


Assuntos
Emoções , Comportamento Sexual , Adolescente , Feminino , Humanos , Adulto Jovem , Adulto , Moçambique , Estudos Transversais , Instituições Acadêmicas
19.
AIDS Behav ; 27(4): 1154-1161, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36209180

RESUMO

The burden of depression and anxiety disorders is high in sub-Saharan Africa, especially for people with HIV (PWH). The Patient Health Questionnaire-4 (PHQ-4) and Electronic Mental Wellness Tool-3 (E-mwTool-3) are ultra-brief screening tools for these disorders. We compared the performance of PHQ-4 and E-mwTool-3 for screening MINI-International Neuropsychiatric Interview diagnoses of depression and anxiety among a sample of individuals with and without HIV in two primary care clinics and one general hospital in Maputo City, Mozambique. Areas-under-the-curve (AUC) were calculated along with sensitivities and specificities at a range of cutoffs. For PWH, at a sum score cutoff of ≥ 1, sensitivities were strong: PHQ-4:Depression = 0.843; PHQ-4:Anxiety = 0.786; E-mwTool-3:Depression = 0.843; E-mwTool-3:Anxiety = 0.929. E-mwTool-3 performance was comparable to PHQ-4 among people with and without HIV.


Assuntos
Depressão , Infecções por HIV , Humanos , Depressão/diagnóstico , Depressão/epidemiologia , Depressão/psicologia , Reprodutibilidade dos Testes , Infecções por HIV/complicações , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Ansiedade/diagnóstico , Ansiedade/psicologia , Transtornos de Ansiedade/diagnóstico , Transtornos de Ansiedade/epidemiologia , Programas de Rastreamento , Inquéritos e Questionários , Psicometria
20.
Med Clin North Am ; 107(1): 119-130, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-36402494

RESUMO

Most suicides have a diagnosable psychiatric disorder, most frequently, a mood disorder. Psychosocial issues and neurobiological abnormalities such as dysregulation in stress response systems contribute to suicidal behavior. All psychiatric patients need to be screened for the presence of suicidal ideation. Clinicians are expected to gather information about patient's clinical features and to formulate decisions about patient's dangerousness to self and the treatment plan. As psychiatric disorders are a major risk factor for suicide their pharmacologic and psychological treatment is of utmost importance to prevent suicide. Restriction of access to lethal means is important for suicide prevention.


Assuntos
Prevenção do Suicídio , Suicídio , Humanos , Suicídio/psicologia , Tentativa de Suicídio/psicologia , Ideação Suicida , Transtornos do Humor , Fatores de Risco
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