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1.
Early Interv Psychiatry ; 18(3): 237-242, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37700506

RESUMO

AIM: Vitamin D deficiency is prevalent in people with established psychotic disorders, but less is known about vitamin D levels in people with first-episode psychosis (FEP). This study aimed to determine the prevalence of vitamin D deficiency in people with FEP and identify the factors associated with vitamin D status. METHODS: This was a prospective cohort study nested within a randomized controlled trial, which included 37 young people with an FEP with minimal antipsychotic medication exposure. RESULTS: Twenty-four percent of participants were vitamin D deficient, and a further 30% were vitamin D insufficient. There was no association between vitamin D and demographic factors or clinical symptoms (positive, negative, general psychopathology and depressive symptoms) or cognition and functioning. However, vitamin D levels were associated with season of sampling. CONCLUSIONS: Considering the longer-term adverse effects associated with vitamin D deficiency, it is warranted to ensure this clinical population receives supplementation if indicated.


Assuntos
Transtornos Psicóticos , Deficiência de Vitamina D , Humanos , Adolescente , Prevalência , Estudos Prospectivos , Transtornos Psicóticos/complicações , Transtornos Psicóticos/epidemiologia , Transtornos Psicóticos/diagnóstico , Deficiência de Vitamina D/complicações , Deficiência de Vitamina D/epidemiologia , Vitamina D
2.
Mol Psychiatry ; 28(8): 3171-3181, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37580524

RESUMO

Most mental disorders have a typical onset between 12 and 25 years of age, highlighting the importance of this period for the pathogenesis, diagnosis, and treatment of mental ill-health. This perspective addresses interactions between risk and protective factors and brain development as key pillars accounting for the emergence of psychopathology in youth. Moreover, we propose that novel approaches towards early diagnosis and interventions are required that reflect the evolution of emerging psychopathology, the importance of novel service models, and knowledge exchange between science and practitioners. Taken together, we propose a transformative early intervention paradigm for research and clinical care that could significantly enhance mental health in young people and initiate a shift towards the prevention of severe mental disorders.


Assuntos
Transtornos Mentais , Saúde Mental , Humanos , Adolescente , Transtornos Mentais/terapia , Transtornos Mentais/diagnóstico , Psicopatologia
3.
Psychiatr Serv ; 74(6): 581-588, 2023 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-36444529

RESUMO

OBJECTIVE: The authors aimed to evaluate changes in use of government-subsidized primary mental health services, through the Medicare Benefits Schedule (MBS), by young people during the first year of the COVID-19 pandemic in Australia and whether changes were associated with age, sex, socioeconomic status, and residence in particular geographical areas. METHODS: Interrupted time-series analyses were conducted by using quarterly mental health MBS service data (all young people ages 12-25 years, 2015-2020) for individual Statistical Area Level 3 areas across Australia. The data captured >22.4 million service records. Meta-analysis and meta-regression models estimated the pandemic interruption effect at the national level and delineated factors influencing these estimates. RESULTS: Compared with expected prepandemic trends, a 6.2% (95% CI=5.3%-7.2%) increase was noted for all young people in use of MBS mental health services in 2020. Substantial differences were found between age and sex subgroups, with a higher increase among females and young people ages 18-25. A decreasing trend was observed for males ages 18-25 (3.5% reduction, 95% CI=2.5%-4.5%). The interruption effect was strongly associated with socioeconomic status. Service uptake increased in areas of high socioeconomic status, with smaller or limited uptake in areas of low socioeconomic status. CONCLUSIONS: During 2020, young people's use of primary mental health services increased overall. However, increases were inequitably distributed and relatively low, compared with increases in population-level mental health burden. Policy makers should address barriers to primary care access for young people, particularly for young males and those from socioeconomically disadvantaged backgrounds.


Assuntos
COVID-19 , Acessibilidade aos Serviços de Saúde , Disparidades em Assistência à Saúde , Transtornos Mentais , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Adulto Jovem , Austrália/epidemiologia , COVID-19/epidemiologia , Transtornos Mentais/epidemiologia , Transtornos Mentais/terapia , Saúde Mental , Programas Nacionais de Saúde , Pandemias
4.
BJPsych Open ; 8(5): e165, 2022 Sep 08.
Artigo em Inglês | MEDLINE | ID: mdl-36073014

RESUMO

BACKGROUND: Cognitive impairments are well-established features of psychotic disorders and are present when individuals are at ultra-high risk for psychosis. However, few interventions target cognitive functioning in this population. AIMS: To investigate whether omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation improves cognitive functioning among individuals at ultra-high risk for psychosis. METHOD: Data (N = 225) from an international, multi-site, randomised controlled trial (NEURAPRO) were analysed. Participants were given omega-3 supplementation (eicosapentaenoic acid and docosahexaenoic acid) or placebo over 6 months. Cognitive functioning was assessed with the Brief Assessment of Cognition in Schizophrenia (BACS). Mixed two-way analyses of variance were computed to compare the change in cognitive performance between omega-3 supplementation and placebo over 6 months. An additional biomarker analysis explored whether change in erythrocyte n-3 PUFA levels predicted change in cognitive performance. RESULTS: The placebo group showed a modest greater improvement over time than the omega-3 supplementation group for motor speed (ηp2 = 0.09) and BACS composite score (ηp2 = 0.21). After repeating the analyses without individuals who transitioned, motor speed was no longer significant (ηp2 = 0.02), but the composite score remained significant (ηp2 = 0.02). Change in erythrocyte n-3 PUFA levels did not predict change in cognitive performance over 6 months. CONCLUSIONS: We found no evidence to support the use of omega-3 supplementation to improve cognitive functioning in ultra-high risk individuals. The biomarker analysis suggests that this finding is unlikely to be attributed to poor adherence or consumption of non-trial n-3 PUFAs.

5.
J Clin Psychiatry ; 83(5)2022 08 03.
Artigo em Inglês | MEDLINE | ID: mdl-35921510

RESUMO

Background: Treatment resistance is a significant problem among young people experiencing moderate-to-severe anxiety, affecting nearly half of all patients. This study investigated the safety and efficacy of cannabidiol (CBD), a non-intoxicating component of Cannabis sativa, for anxiety disorders in young people who previously failed to respond to standard treatment.Methods: In this open-label trial, 31 young people aged 12-25 years with a DSM-5 anxiety disorder and no clinical improvement despite treatment with cognitive-behavioral therapy and/or antidepressant medication were enrolled between May 16, 2018, and June 28, 2019. All participants received add-on CBD for 12 weeks on a fixed-flexible schedule titrated up to 800 mg/d. The primary outcome was improvement in anxiety severity, measured with the Overall Anxiety Severity and Impairment Scale (OASIS), at week 12. Secondary outcomes included comorbid depressive symptoms, Clinical Global Impressions scale (CGI) score, and social and occupational functioning.Results: Mean (SD) OASIS scores decreased from 10.8 (3.8) at baseline to 6.3 (4.5) at week 12, corresponding to a -42.6% reduction (P < .0001). Depressive symptoms (P < .0001), CGI-Severity scale scores (P = .0008), and functioning (P = .04) improved significantly. Adverse events were reported in 25 (80.6%) of 31 participants and included fatigue, low mood, and hot flushes or cold chills. There were no serious and/or unexpected adverse events.Conclusions: These findings suggest that CBD can reduce anxiety severity and has an adequate safety profile in young people with treatment-resistant anxiety disorders. Randomized controlled trials are needed to confirm the efficacy and longer-term safety of this compound.Trial Registration: New Zealand Clinical Trials Registry (ANZCTR) identifier: ACTRN12617000825358.


Assuntos
Canabidiol , Adolescente , Antidepressivos/uso terapêutico , Ansiedade/tratamento farmacológico , Transtornos de Ansiedade/tratamento farmacológico , Canabidiol/efeitos adversos , Depressão , Humanos , Resultado do Tratamento
6.
Epidemiol Psychiatr Sci ; 31: e55, 2022 Jul 20.
Artigo em Inglês | MEDLINE | ID: mdl-35856272

RESUMO

AIMS: The utility of quality of life (QoL) as an outcome measure in youth-specific primary mental health care settings has yet to be determined. We aimed to determine: (i) whether heterogeneity on individual items of a QoL measure could be used to identify distinct groups of help-seeking young people; and (ii) the validity of these groups based on having clinically meaningful differences in demographic and clinical characteristics. METHODS: Young people, at their first presentation to one of five primary mental health services, completed a range of questionnaires, including the Assessment of Quality of Life-6 dimensions adolescent version (AQoL-6D). Latent class analysis (LCA) and multivariate multinomial logistic regression were used to define classes based on AQoL-6D and determine demographic and clinical characteristics associated with class membership. RESULTS: 1107 young people (12-25 years) participated. Four groups were identified: (i) no-to-mild impairment in QoL; (ii) moderate impairment across dimensions but especially mental health and coping; (iii) moderate impairment across dimensions but especially on the pain dimension; and (iv) poor QoL across all dimensions along with a greater likelihood of complex and severe clinical presentations. Differences between groups were observed with respect to demographic and clinical features. CONCLUSIONS: Adding multi-attribute utility instruments such as the AQoL-6D to routine data collection in mental health services might generate insights into the care needs of young people beyond reducing psychological distress and promoting symptom recovery. In young people with impairments across all QoL dimensions, the need for a holistic and personalised approach to treatment and recovery is heightened.


Assuntos
Serviços de Saúde Mental , Qualidade de Vida , Adaptação Psicológica , Adolescente , Humanos , Saúde Mental , Qualidade de Vida/psicologia , Inquéritos e Questionários
8.
Schizophr Res ; 226: 52-60, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-31606244

RESUMO

Omega-3 long chain polyunsaturated fatty acids (n-3 LCPUFA) are necessary for optimum mental health, with recent studies showing low n-3 LCPUFA in people at ultra-high risk (UHR) of developing psychosis. Furthermore, people at UHR of psychosis had increased erythrocyte sphingomyelin (SM) and reduced phosphatidylethanolamine (PE) concentrations as well as 27 erythrocyte phospholipid species that differed when compared to erythrocytes from age matched people not at UHR of psychosis. The aim of this analysis was to evaluate the effect of n-3 supplementation on the different erythrocyte lipid species (including SM and PE concentrations) in people at UHR of psychosis. Participants were randomly assigned to fish oil (containing 840 mg EPA and 560 mg DHA per day) or placebo (paraffin oil) for 6 months. Fasted blood samples were taken at baseline and post intervention. Mass spectrometry was used to analyse the molecular phospholipids and fatty acid composition of erythrocytes for both groups. The n-3 index was significantly increased from 3.0% to 4.12% after 6 months of receiving n-3 capsules. Fish oil capsules increased the phospholipid molecular species containing n-3 LCPUFA, and concomitant decreases in n-6 LCPUFA species. SM species did not show any significant changes in n-3 LCPUFA group however, three SM species (SM 16:0, SM 18:0, SM 18:1) significantly increased after 6 months of supplementation with placebo. N-3 supplementation for 6 months led to higher n-3 incorporation into erythrocytes, at the expense of n-6 PUFA across all phospholipid classes analyzed and may have prevented the increase in SM seen in the placebo group.


Assuntos
Ácidos Graxos Ômega-3 , Transtornos Psicóticos , Suplementos Nutricionais , Ácidos Docosa-Hexaenoicos , Ácido Eicosapentaenoico , Ácidos Graxos , Humanos , Fosfolipídeos
9.
Biol Psychiatry ; 87(3): 243-252, 2020 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-31690495

RESUMO

BACKGROUND: NEURAPRO was a multicenter, placebo-controlled trial of long-chain omega-3 polyunsaturated fatty acids (n-3 PUFAs) (fish oil) in 304 individuals at ultra-high risk for psychotic disorders. The study failed to show benefits of n-3 PUFAs over placebo. Although the randomized controlled trial design is placed at the top of the evidence hierarchy, this methodology has limitations in fish oil randomized controlled trials, as not only is the test agent present in the intervention group, but also n-3 fats are present in the diet and the body tissue of all participants. METHODS: Analysis of biomarker data (eicosapentaenoic acid [EPA], docosahexaenoic acid [DHA], n-3 index, EPA+DHA) collected as part of NEURAPRO was conducted on 218 participants with longitudinal biomarker data to determine if n-3 PUFAs measured in erythrocytes at baseline and month 6 predicted clinical outcomes. RESULTS: Increases of the n-3 index, EPA, and DHA predicted less severe psychopathology and better functioning at both follow-up time points. Higher baseline levels and increases of n-3 index also predicted overall clinical improvement at month 6 (n-3 index baseline: adjusted odds ratio [95% confidence interval (CI)] = 1.79 [1.30-2.48]; n-3 PUFA increase: adjusted odds ratio [95% CI] = 1.43 [1.16-1.76]) and at month 12 (n-3 index baseline: adjusted odds ratio [95% CI] = 2.60 [1.71-3.97]; n-3 PUFA increase: adjusted odds ratio [95% CI] = 1.36 [1.06-1.74]). CONCLUSIONS: These data suggest that n-3 PUFAs can exert therapeutic effects in ultra-high-risk individuals. This finding has implications for early intervention and treatment guidelines, as n-3 PUFA supplementation can easily and safely be used in a wide variety of settings, from primary care to specialist services.


Assuntos
Ácidos Graxos Ômega-3 , Transtornos Psicóticos , Adolescente , Biomarcadores , Ácidos Docosa-Hexaenoicos , Ácido Eicosapentaenoico , Humanos , Transtornos Psicóticos/tratamento farmacológico
10.
Schizophr Res ; 208: 293-299, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30738699

RESUMO

Decreased brain activity in the frontal region, as indicated by increased slow wave EEG power measured by electrodes place on the skull over this area, in association with negative symptoms has previously been shown to distinguish ultra-high risk (UHR) individuals who later transitioned to psychosis (UHR-P) from those who did not transition (UHR-NP). The aims of the current study were to: 1) replicate these results and 2) investigate whether similar association between increased frontal slow wave activity and functioning shows any value in the prediction of transition to psychosis in UHR individuals. The brain activity, recorded using EEG, of 44 UHR individuals and 38 healthy controls was included in the analyses. Symptom severity was assessed in UHR participants and functioning was measured in both groups. The power in the theta frequency band in the frontal region of UHR individuals was higher than in controls. However, there was no difference between the UHR-P and the UHR-NP groups, and no change in slow frequency power following transition to psychosis. The correlation between delta frequency power and negative symptoms previously observed was not present in our UHR cohort, and there was no association between frontal delta or theta and functioning in either group. Increased delta power was rather correlated with depressive symptoms in the UHR group. Future research will be needed to better understand when, in the course of the illness, does the slow wave activity in the frontal area becomes impaired.


Assuntos
Eletroencefalografia , Lobo Frontal/fisiopatologia , Transtornos Psicóticos/fisiopatologia , Adolescente , Adulto , Austrália , Estudos de Coortes , Correlação de Dados , Ritmo Delta/efeitos dos fármacos , Depressão/diagnóstico , Depressão/fisiopatologia , Depressão/psicologia , Progressão da Doença , Eletroencefalografia/efeitos dos fármacos , Função Executiva/efeitos dos fármacos , Função Executiva/fisiologia , Ácidos Graxos Ômega-3/uso terapêutico , Feminino , Lobo Frontal/efeitos dos fármacos , Humanos , Masculino , Prognóstico , Escalas de Graduação Psiquiátrica/estatística & dados numéricos , Psicometria , Transtornos Psicóticos/diagnóstico , Transtornos Psicóticos/tratamento farmacológico , Transtornos Psicóticos/psicologia , Valores de Referência , Risco , Fatores de Risco , Ritmo Teta/efeitos dos fármacos , Adulto Jovem
11.
BMJ Open ; 9(2): e024104, 2019 02 19.
Artigo em Inglês | MEDLINE | ID: mdl-30782893

RESUMO

INTRODUCTION: Specialised early intervention services have demonstrated improved outcomes in first-episode psychosis (FEP); however, clinical gains may not be sustained after patients are transferred to regular care. Moreover, many patients with FEP remain socially isolated with poor functional outcomes. To address this, our multidisciplinary team has developed a moderated online social media therapy (HORYZONS) designed to enhance social functioning and maintain clinical gains from specialist FEP services. HORYZONS merges: (1) peer-to-peer social networking; (2) tailored therapeutic interventions; (3) expert and peer-moderation; and (4) new models of psychological therapy (strengths and mindfulness-based interventions) targeting social functioning. The aim of this trial is to determine whether following 2 years of specialised support and 18-month online social media-based intervention (HORYZONS) is superior to 18 months of regular care. METHODS AND ANALYSIS: This study is a single-blind randomised controlled trial. The treatment conditions include HORYZONS plus treatment as usual (TAU) or TAU alone. We recruited 170 young people with FEP, aged 16-27 years, in clinical remission and nearing discharge from Early Psychosis Prevention and Intervention Centre, Melbourne. The study includes four assessment time points, namely, baseline, 6-month, 12-month and 18-month follow-up. The study is due for completion in July 2018 and included a 40-month recruitment period and an 18-month treatment phase. The primary outcome is social functioning at 18 months. Secondary outcome measures include rate of hospital admissions, cost-effectiveness, vocational status, depression, social support, loneliness, self-esteem, self-efficacy, anxiety, psychological well-being, satisfaction with life, quality of life, positive and negative psychotic symptoms and substance use. Social functioning will be also assessed in real time through our Smartphone Ecological Momentary Assessment tool. ETHICS AND DISSEMINATION: Melbourne Health Human Research Ethics Committee (2013.146) provided ethics approval for this study. Findings will be made available through scientific journals and forums and to the public via social media and the Orygen website. TRIAL REGISTRATION NUMBER: ACTRN12614000009617; Pre-results.


Assuntos
Intervenção Baseada em Internet , Redes Sociais Online , Psicoterapia , Transtornos Psicóticos/terapia , Adolescente , Adulto , Intervenção Médica Precoce , Humanos , Atenção Plena , Grupo Associado , Transtornos Psicóticos/fisiopatologia , Transtornos Psicóticos/psicologia , Método Simples-Cego , Habilidades Sociais , Adulto Jovem
12.
Biol Psychiatry ; 86(1): 35-44, 2019 07 01.
Artigo em Inglês | MEDLINE | ID: mdl-30771856

RESUMO

BACKGROUND: Elevated homocysteine is observed in schizophrenia and associated with illness severity. The aim of this study was to determine whether vitamins B12, B6, and folic acid lower homocysteine and improve symptomatology and neurocognition in first-episode psychosis. Whether baseline homocysteine, genetic variation, sex, and diagnosis interact with B-vitamin treatment on outcomes was also examined. METHODS: A randomized, double-blind, placebo-controlled trial was used. A total of 120 patients with first-episode psychosis were randomized to an adjunctive B-vitamin supplement (containing folic acid [5 mg], B12 [0.4 mg], and B6 [50 mg]) or placebo, taken once daily for 12 weeks. Coprimary outcomes were change in total symptomatology (Positive and Negative Syndrome Scale) and composite neurocognition. Secondary outcomes included additional measures of symptoms, neurocognition, functioning, tolerability, and safety. RESULTS: B-vitamin supplementation reduced homocysteine levels (p = .003, effect size = -0.65). B-vitamin supplementation had no significant effects on Positive and Negative Syndrome Scale total (p = .749) or composite neurocognition (p = .785). There were no significant group differences in secondary symptom domains. A significant group difference in the attention/vigilance domain (p = .024, effect size = 0.49) showed that the B-vitamin group remained stable and the placebo group declined in performance. In addition, 14% of the sample had elevated baseline homocysteine levels, which was associated with greater improvements in one measure of attention/vigilance following B-vitamin supplementation. Being female and having affective psychosis was associated with improved neurocognition in select domains following B-vitamin supplementation. Genetic variation did not influence B-vitamin treatment response. CONCLUSIONS: While 12-week B-vitamin supplementation might not improve overall psychopathology and global neurocognition, it may have specific neuroprotective properties in attention/vigilance, particularly in patients with elevated homocysteine levels, patients with affective psychosis, and female patients. Results support a personalized medicine approach to vitamin supplementation in first-episode psychosis.


Assuntos
Cognição , Ácido Fólico/uso terapêutico , Transtornos Psicóticos/psicologia , Transtornos Psicóticos/terapia , Vitamina B 12/uso terapêutico , Vitamina B 6/uso terapêutico , Suplementos Nutricionais , Método Duplo-Cego , Feminino , Humanos , Masculino , Adulto Jovem
13.
Early Interv Psychiatry ; 13(1): 159-166, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30311423

RESUMO

AIM: headspace is Australia's innovation in youth mental healthcare and comprises the largest national network of enhanced primary care, youth mental health centres world-wide. headspace centres aim to intervene early in the development of mental ill-health for young people aged 12 to 25 years by breaking down the barriers to service access experienced by adolescents and emerging adults and providing holistic healthcare. Centres have been progressively implemented over the past 12 years and are expected to apply a consistent model of integrated youth healthcare. Internationally, several countries are implementing related approaches, but the specific elements of such models have not been well described in the literature. METHOD: This paper addresses this gap by providing a detailed overview of the 16 core components of the headspace centre model. RESULTS: The needs of young people and their families are the main drivers of the headspace model, which has 10 service components (youth participation, family and friends participation, community awareness, enhanced access, early intervention, appropriate care, evidence-informed practice, four core streams, service integration, supported transitions) and six enabling components (national network, Lead Agency governance, Consortia, multidisciplinary workforce, blended funding, monitoring and evaluation). CONCLUSION: Through implementation of these core components headspace aims to provide easy access to one-stop, youth-friendly mental health, physical and sexual health, alcohol and other drug, and vocational services for young people across Australia.


Assuntos
Serviços de Saúde do Adolescente/organização & administração , Serviços de Saúde da Criança/organização & administração , Serviços de Saúde Mental/organização & administração , Atenção Primária à Saúde/métodos , Desenvolvimento de Programas , Adolescente , Adulto , Austrália , Criança , Feminino , Acessibilidade aos Serviços de Saúde , Humanos , Masculino , Adulto Jovem
14.
Schizophr Res ; 206: 67-74, 2019 04.
Artigo em Inglês | MEDLINE | ID: mdl-30558978

RESUMO

BACKGROUND: Neurocognitive impairments experienced by individuals at ultra-high risk (UHR) for psychosis are potential predictors of outcome within this population, however there is inconsistency regarding the specific neurocognitive domains implicated. This study aimed to examine whether baseline neurocognition predicted transition to psychosis, or functional outcomes, at medium-term (mean = 3.4 years) follow-up, while controlling for other clinical/treatment variables associated with transition to psychosis. METHOD: Analysis of data collected as part of a multi-centre RCT of omega-3 fatty acids and cognitive-behavioural case management (NEURAPRO) for UHR individuals was conducted on the 294 participants (134 males, 160 females) who completed neurocognitive assessment (Brief Assessment of Cognition for Schizophrenia) at baseline. Transition to psychosis was determined using the Comprehensive Assessment of At-Risk Mental States (CAARMS), and functioning was measured with the Global Functioning: Social and Role Scales. RESULTS: Mean baseline z-scores indicated that UHR participants performed a quarter to half a standard deviation below normative means in all domains (range mean z = -0.24 to -0.47), except for executive functioning (mean z = 0.16). After adjusting for covariates, poorer Executive (p = .010) and Motor (p = .030) functions were predictive of transition to psychosis. Processing Speed and Verbal Fluency were significant predictors of role functioning at 12 months (p = .004), and social functioning at medium-term follow-up (p = .015), respectively. CONCLUSIONS: Neurocognitive abilities are independent predictors of both transition to psychosis and functional outcomes within the UHR population. Further research is needed to determine the best combination of risk variables in UHR individuals for prediction of psychosis transition, functioning and other psychopathology outcomes.


Assuntos
Cognição , Sintomas Prodrômicos , Transtornos Psicóticos/psicologia , Adolescente , Progressão da Doença , Função Executiva , Ácidos Graxos Ômega-3/uso terapêutico , Feminino , Humanos , Masculino , Memória de Curto Prazo , Testes de Estado Mental e Demência , Prognóstico , Transtornos Psicóticos/tratamento farmacológico , Ensaios Clínicos Controlados Aleatórios como Assunto , Risco , Aprendizagem Verbal , Adulto Jovem
15.
JMIR Ment Health ; 5(3): e10278, 2018 Sep 25.
Artigo em Inglês | MEDLINE | ID: mdl-30274963

RESUMO

BACKGROUND: Web-based mindfulness interventions are increasingly delivered through the internet to treat mental health conditions. OBJECTIVE: The objective of this study was to determine the effectiveness of web-based mindfulness interventions in clinical mental health populations. Secondary aims were to explore the impact of study variables on the effectiveness of web-based mindfulness interventions. METHODS: We performed a systematic review and meta-analysis of studies investigating the effects of web-based mindfulness interventions on clinical populations. RESULTS: The search strategy yielded 12 eligible studies. Web-based mindfulness interventions were effective in reducing depression in the total clinical sample (n=656 g=-0.609, P=.004) and in the anxiety disorder subgroup (n=313, g=-0.651, P<.001), but not in the depression disorder subgroup (n=251, P=.18). Similarly, web-based mindfulness interventions significantly reduced anxiety in the total clinical sample (n=756, g=-0.433, P=.004) and the anxiety disorder subgroup (n=413, g=-0.719, P<.001), but not in the depression disorder group (n=251, g=-0.213, P=.28). Finally, web-based mindfulness interventions improved quality of life and functioning in the total sample (n=591, g=0.362, P=.02) in the anxiety disorder subgroup (n=370, g=0.550, P=.02) and mindfulness skills in the total clinical sample (n=251, g=0.724, P<.001). CONCLUSIONS: Results support the effectiveness of web-based mindfulness interventions in reducing depression and anxiety and in enhancing quality of life and mindfulness skills, particularly in those with clinical anxiety. Results should be interpreted with caution given the high heterogeneity of web-based mindfulness interventions and the low number of studies included.

16.
World Psychiatry ; 17(2): 133-142, 2018 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-29856558

RESUMO

The "at risk mental state" for psychosis approach has been a catalytic, highly productive research paradigm over the last 25 years. In this paper we review that paradigm and summarize its key lessons, which include the valence of this phenotype for future psychosis outcomes, but also for comorbid, persistent or incident non-psychotic disorders; and the evidence that onset of psychotic disorder can at least be delayed in ultra high risk (UHR) patients, and that some full-threshold psychotic disorder may emerge from risk states not captured by UHR criteria. The paradigm has also illuminated risk factors and mechanisms involved in psychosis onset. However, findings from this and related paradigms indicate the need to develop new identification and diagnostic strategies. These findings include the high prevalence and impact of mental disorders in young people, the limitations of current diagnostic systems and risk identification approaches, the diffuse and unstable symptom patterns in early stages, and their pluripotent, transdiagnostic trajectories. The approach we have recently adopted has been guided by the clinical staging model and adapts the original "at risk mental state" approach to encompass a broader range of inputs and output target syndromes. This approach is supported by a number of novel modelling and prediction strategies that acknowledge and reflect the dynamic nature of psychopathology, such as dynamical systems theory, network theory, and joint modelling. Importantly, a broader transdiagnostic approach and enhancing specific prediction (profiling or increasing precision) can be achieved concurrently. A holistic strategy can be developed that applies these new prediction approaches, as well as machine learning and iterative probabilistic multimodal models, to a blend of subjective psychological data, physical disturbances (e.g., EEG measures) and biomarkers (e.g., neuroinflammation, neural network abnormalities) acquired through fine-grained sequential or longitudinal assessments. This strategy could ultimately enhance our understanding and ability to predict the onset, early course and evolution of mental ill health, further opening pathways for preventive interventions.

17.
Transl Psychiatry ; 8(1): 59, 2018 03 06.
Artigo em Inglês | MEDLINE | ID: mdl-29507281

RESUMO

Mood disturbances seen in first-episode mania (FEM) are linked to disturbed functional connectivity of the striatum. Lithium and quetiapine are effective treatments for mania but their neurobiological effects remain largely unknown. We conducted a single-blinded randomized controlled maintenance trial in 61 FEM patients and 30 healthy controls. Patients were stabilized for a minimum of 2 weeks on lithium plus quetiapine then randomly assigned to either lithium (serum level 0.6 mmol/L) or quetiapine (dosed up to 800 mg/day) treatment for 12 months. Resting-state fMRI was acquired at baseline, 3 months (patient only) and 12 months. The effects of treatment group, time and their interaction, on striatal functional connectivity were assessed using voxel-wise general linear modelling. At baseline, FEM patients showed reduced connectivity in the dorsal (p = 0.05) and caudal (p = 0.008) cortico-striatal systems when compared to healthy controls at baseline. FEM patients also showed increased connectivity in a circuit linking the ventral striatum with the medial orbitofrontal cortex, cerebellum and thalamus (p = 0.02). Longitudinally, we found a significant interaction between time and treatment group, such that lithium was more rapid, compared to quetiapine, in normalizing abnormally increased functional connectivity, as assessed at 3-month and 12-month follow-ups. The results suggest that FEM is associated with reduced connectivity in dorsal and caudal corticostriatal systems, as well as increased functional connectivity of ventral striatal systems. Lithium appears to act more rapidly than quetiapine in normalizing hyperconnectivity of the ventral striatum with the cerebellum. The study was registered on the Australian and New Zealand Clinical Trials Registry (ACTRN12607000639426). http://www.anzctr.org.au.


Assuntos
Antimaníacos/farmacologia , Transtorno Bipolar/tratamento farmacológico , Transtorno Bipolar/fisiopatologia , Conectoma/métodos , Corpo Estriado/efeitos dos fármacos , Corpo Estriado/fisiopatologia , Compostos de Lítio/farmacologia , Fumarato de Quetiapina/farmacologia , Adolescente , Adulto , Antimaníacos/administração & dosagem , Transtorno Bipolar/diagnóstico por imagem , Cerebelo/diagnóstico por imagem , Cerebelo/efeitos dos fármacos , Cerebelo/fisiopatologia , Corpo Estriado/diagnóstico por imagem , Feminino , Seguimentos , Humanos , Compostos de Lítio/administração & dosagem , Imageamento por Ressonância Magnética , Masculino , Córtex Pré-Frontal/diagnóstico por imagem , Córtex Pré-Frontal/efeitos dos fármacos , Córtex Pré-Frontal/fisiopatologia , Fumarato de Quetiapina/administração & dosagem , Método Simples-Cego , Tálamo/diagnóstico por imagem , Tálamo/efeitos dos fármacos , Tálamo/fisiopatologia , Adulto Jovem
18.
Schizophr Res ; 191: 95-100, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29132815

RESUMO

BACKGROUND: There is evidence to suggest that people with established psychotic disorders show impairments in the mismatch negativity induced by a frequency-deviant sound (fMMN), and that these impairments worsen with the deterioration of psychotic symptoms. This study aimed to test whether individuals at ultra-high risk (UHR) for psychosis show pre-morbid impairments in fMMN, and if so, whether fMMN continues to deteriorate with transition to psychosis. METHOD: fMMN was recorded in a cohort of UHR individuals (n=42) and compared to healthy controls (n=29). Of the 27 UHR participants who returned for a second EEG session, six participants had transitioned to psychosis by 12-month follow-up (UHR-T) and were compared to the 21 participants who did not transition (UHR-NT). RESULTS: fMMN amplitude was significantly reduced, relative to healthy controls, in the UHR cohort. Furthermore, UHR-T individuals showed a significant decrease in fMMN amplitude over the period from baseline to post-transition; this reduction was not observed in UHR-NT. CONCLUSIONS: These results suggest that fMMN is abnormal in UHR individuals, as has repeatedly been found previously in people with established psychotic disorders. The finding that fMMN impairment worsens with transition to psychosis is consistent with the staging model of psychosis; however, caution must be taken in interpreting these findings, given the extremely small sample size of the UHR-T group.


Assuntos
Variação Contingente Negativa/fisiologia , Potenciais Evocados Auditivos/fisiologia , Transtornos Psicóticos/fisiopatologia , Estimulação Acústica , Adolescente , Adulto , Análise de Variância , Eletroencefalografia , Feminino , Humanos , Masculino , Testes Neuropsicológicos , Escalas de Graduação Psiquiátrica , Fatores de Risco , Adulto Jovem
20.
Med J Aust ; 207(10): S5-S18, 2017 Nov 20.
Artigo em Inglês | MEDLINE | ID: mdl-29129182

RESUMO

Although mental health problems represent the largest burden of disease in young people, access to mental health care has been poor for this group. Integrated youth health care services have been proposed as an innovative solution. Integrated care joins up physical health, mental health and social care services, ideally in one location, so that a young person receives holistic care in a coordinated way. It can be implemented in a range of ways. A review of the available literature identified a range of studies reporting the results of evaluation research into integrated care services. The best available data indicate that many young people who may not otherwise have sought help are accessing these mental health services, and there are promising outcomes for most in terms of symptomatic and functional recovery. Where evaluated, young people report having benefited from and being highly satisfied with these services. Some young people, such as those with more severe presenting symptoms and those who received fewer treatment sessions, have failed to benefit, indicating a need for further integration with more specialist care. Efforts are underway to articulate the standards and core features to which integrated care services should adhere, as well as to further evaluate outcomes. This will guide the ongoing development of best practice models of service delivery.


Assuntos
Atenção à Saúde/organização & administração , Serviços de Saúde , Transtornos Mentais/terapia , Serviços de Saúde Mental/organização & administração , Atenção Primária à Saúde/organização & administração , Adolescente , Austrália , Medicina Baseada em Evidências , Humanos , Adulto Jovem
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