An environmental scan of mental health services for indigenous youth in Canada.

Background: There is an urgent need for culturally and contextually relevant mental health support for First Nations, Inuit and Métis youth. Objective: Our aim was to identify mental health and wellness services that are currently available to Indigenous youth across Canada. Methodology: As a first step, we conducted a web-based environmental scan of services tailored to Indigenous youth. Specific factors were examined for each program, including organization type and mission, types of services, and who provides services. Results: One hundred and seventeen programs were found, with 54% being non-profits and 34% being on-reserve. Four core features were identified. The first was a strengths-based focus, rather than a pathology/deficit-focus, in programs' vision and mission statements, reflected in words like wellness and resilience. The second (87% of included programs) was the integration of mental health services with a range of other services and supports (e.g., health, employment, housing). The third was the provision of land-based programming (in 34% of programs) such as camps or hunting. Such programs were framed as promoting wellness and healing and strengthening identity. The fourth was the role of community members without formal mental health professional training (in 42% of programs), for example, as youth workers or knowledge keepers. This stems not only from the dearth of specialists in many Indigenous settings, but also a valuing of Indigenous knowledge. Conclusion: These core features in mental health services for Indigenous youth may be promising avenues for communities seeking to strengthen the services they offer to First Nations, Inuit and Métis youth.

Contexte: Il y a un besoin urgent de soutien en santé mentale adapté à la culture et au contexte pour les jeunes des Premières Nations, Inuits et Métis. Objectif: Nous cherchions à identifier les services de santé mentale et de bien-être actuellement disponibles pour les jeunes autochtones du Canada. Méthodologie: Dans un premier temps, nous avons mené une analyse environnementale en ligne des services adaptés aux jeunes autochtones. Des facteurs spécifiques ont été examinés pour chaque programme, notamment le type et la mission de l'organisation, les types de services offerts, et les prestataires de ces services. Résultats: Cent dix-sept programmes ont été recensés, dont 54 % étaient sans but lucratif et 34 % situés dans une réserve. Quatre caractéristiques principales ont été identifiées. La première était l'accent mis sur les forces plutôt que sur la pathologie ou le déficit, reflété dans les énoncés de vision et de mission des programmes, où des termes comme bien-être et résilience étaient utilisés. La deuxième caractéristique (présente dans 87 % des programmes) était l'intégration des services de santé mentale avec une gamme d'autres services et soutiens (p.ex., santé, emploi, logement). La troisième était l'offre de programmes liés au territoire (dans 34 % des programmes) comme des camps ou des activités de chasse, conçus pour promouvoir le bien-être, la guérison et le renforcement de l'identité. La quatrième caractéristique était le rôle des membres de la communauté sans formation professionnelle officielle en santé mentale (dans 42 % des programmes), par exemple en tant que travailleurs auprès des jeunes ou gardiens du savoir. Cela découle non seulement du manque de spécialistes dans de nombreux contextes autochtones, mais aussi de la valorisation des connaissances autochtones. Conclusion: Ces principales caractéristiques des services de santé mentale pour les jeunes autochtones peuvent constituer des avenues prometteuses pour les communautés cherchant à consolider les services qu'elles offrent aux jeunes des Premières Nations, Inuits et Métis.

Mental health service use of young people in child welfare services in Quebec, Canada.

Background: Youth involved in child welfare have high rates of mental health problems and are known to receive mental health services from multiple settings. Still, gaps remain in our understanding of service use patterns across settings over the course of youth's involvement with child welfare. Objective: To examine the settings, reasons for contact, persons involved in initiating care, and timing of each mental health service contact for individuals over their involvement with the child welfare system, and to identify factors that predict multi-setting use. Methods: Data on mental health service contacts were collected retrospectively from charts for youth aged 11-18 (n=226) during their involvement with child welfare services in Montreal, Quebec. Logistic regression analysis was conducted to determine predictors of multi-setting mental health services use (defined as ≥3 settings). Results: 83% of youth had at least one mental health service contact over the course of their child welfare services follow-up, with 45% having multi-setting use. Emergency Departments were the top setting for mental health services. Youth with a higher number of placements and from neighborhoods with greater social and material deprivation were significantly likelier to use ≥3 mental health service settings over the course of their follow-up. Conclusion: These findings suggest a need for enhanced collaboration between youth-serving sectors to ensure that continuous and appropriate mental health care is being offered to youth followed by child welfare systems. The relationship between placement instability and multi-setting mental health service use calls for specific policies to ensure that young people do not experience multiple discontinuities of care.

Contexte: Les jeunes impliqués dans le système de la protection de la jeunesse ont des taux élevés de problèmes de santé mentale et il et ils reçoivent souvent des services de santé mentale dans plusieurs types d'établissements. Pourtant, des lacunes subsistent dans notre compréhension des trajectoires d'utilisation des services à travers divers contextes au cours du suivi d'un jeune dans le système de protection de la jeunesse. Objectif: Examiner les contextes, les raisons pour les contacts, les personnes impliquées dans l'initiation des soins, et le moment de chaque contact avec les services de santé mentale pour les personnes pendant la durée de leur suivi en protection de la jeunesse et identifier les facteurs qui prédisent une trajectoire impliquant de multiples établissements. Méthodes: Des données sur les contacts avec les services de santé mentale ont été recueillies rétrospectivement des dossiers de jeunes de 11 à 18 ans (n=226) leur suivi en protection de la jeunesse à Montréal, Québec. Une analyse de régression logistique a été menée pour déterminer les prédicteurs de l'utilisation des services de santé mentale multi-établissements (définie à ≥3 établissements). Résultats: Quatre-vingt-trois pour cent des jeunes avaient au moins un contact avec un service de santé mentale au cours de leur suivi en protection de la jeunesse, et 45 % avaient une trajectoire impliquant de multiples établissements. Les services d'urgence étaient l'établissement le plus fréquenté pour les services de santé mentale. Les jeunes ayant un nombre plus élevé de placements et provenant de quartiers d'une plus grande défavorisation sociale et matérielle étaient significativement plus susceptibles d'utiliser ≥3 établissements de services de santé mentale au cours de leur suivi. Conclusion: Ces résultats démontrent le besoin d'une collaboration améliorée entre les secteurs des services aux jeunes pour faire en sorte que les jeunes en protection de la jeunesse reçoivent des soins de santé mentale continus et appropriés. La relation entre l'instabilité de placement et les trajectoires complexes à travers les services de santé mentale exige de politiques spécifiques afin d'assurer que les jeunes ne connaissent pas de multiples discontinuités de soins.

Engaging with care in an early intervention for psychosis program: The role of language, communication, and culture.

Language is an important aspect of communication and language status is known to impact healthcare accessibility, its perceived suitability, and outcomes. However, its influence on treatment engagement and/or disengagement is unknown. Our study therefore sought to investigate the impact of language on service disengagement in an early intervention psychosis program in Montreal, Quebec (a province with French as the official language). We aimed to compare service disengagement between a linguistic minority group (i.e., English) vis-à-vis those whose preferred language was French and to explore the role of language in service engagement. Using a mixed methods sequential design, we tested preferred language and several sociodemographic characteristics associated with service disengagement in a time-to-event analysis with Cox proportional hazards regression models (N = 338). We then conducted two focus groups with English (seven patients) and French speakers (five patients) to further explore differences between the two linguistic groups. Overall, 24% (n = 82) disengaged from the service before the two-year mark. Those whose preferred language was English were more likely to disengage (n = 47, 31.5%) than those whose preferred language was French (n = 35, 18.5%; χ2 = 9.11, p < .01). This remained significant in the multivariate regression. In focus groups, participants identified language as one aspect of a complex communication process between patients and clinicians and highlighted the importance of culture in the clinical encounter. Language status of patients plays an important role in their engagement with early psychosis services. Our findings underscore the value of establishing communication and cultural understanding in creating clinical/therapeutic alliance.

Comparing treatment delays and pathways to early intervention services for psychosis in urban settings in India and Canada.

INTRODUCTION: Although extensively studied in high-income countries (HICs) and less so in low- and middle-income countries (LMICs), pathways to care and treatment delays in early psychosis have not been compared across contexts. We compared pathways to early intervention for psychosis in an HIC (Montreal, Canada) and an LMIC (Chennai, India). We hypothesised that the duration of untreated psychosis (DUP) would be longer in Chennai. METHODS: The number of contacts preceding early intervention, referral sources, first contacts, and DUP and its referral and help-seeking components of first-episode psychosis patients at both sites were similarly measured and compared using chi-square analyses and t tests/one-way ANOVAs. RESULTS: Overall and help-seeking DUPs of Chennai (N = 168) and Montreal (N = 165) participants were not significantly different. However, Chennai patients had shorter referral DUPs [mean = 12.0 ± 34.1 weeks vs. Montreal mean = 13.2 ± 28.7 weeks; t(302.57) = 4.40; p < 0.001] as the early intervention service was the first contact for 44% of them (vs. 5% in Montreal). Faith healers comprised 25% of first contacts in Chennai. Those seeing faith healers had significantly shorter help-seeking but longer referral DUPs. As predicted, most (93%) Montreal referrals came from medical sources. Those seeing psychologists/counsellors/social workers as their first contact had longer DUPs. CONCLUSION: Differences in cultural views about mental illnesses and organizational structures shape pathways to care and their associations with treatment delays across contexts. Both formal and informal sources need to be targeted to reduce delays. Early intervention services being the first portal where help is sought can reduce DUP especially if accessed early on in the illness course.

Emergency Department Use for Mental Health Problems by Youth in Child Welfare Services.

Objectives: In Canada, little research has focused on emergency department (ED) use by youth involved with child welfare services, a vulnerable population. Our aims were therefore (1) to examine the characteristics of ED users among child welfare-involved youth, 2) to identify predictors of ED use and 3) to identify youth trajectories to EDs. Methods: Data were collected from child welfare charts from two agencies in Montreal, Canada. Logistic regression was conducted to determine the predictors of ED use. Latent class analysis was used to identify trajectories to the ED. Results: The sample included 226 youth aged 11-18 years. 33% of youth visited the ED at least once for mental health problems during child welfare involvement. ED users were more likely to be youth with a history of 1) sexual abuse, 2) parental mental illness, and 3) placements outside of the home, compared to youth with no ED visits. Mental health treatment was initiated in the 30 days following an ED presentation in 24% of cases. Three trajectories were found: 1) ED contact initiated by child welfare workers for suicidal ideation/attempts, 2) ED contact initiated by police for substance use and externalized behaviours and 3) ED contact initiated by parents for suicidal ideation/attempts. Discussion: Despite all youth being followed by child welfare and many already receiving mental health services, youth had high, often recurrent ED use. This highlights the need for stronger coordination between child welfare, youth mental health services and EDs.

Objectifs: Au Canada, peu de recherche s'est penchée sur l'utilisation du service d'urgence (SU) par les jeunes impliqués dans les services d'aide à l'enfance, une population vulnérable. Nous visions donc à (1) examiner les caractéristiques des utilisateurs de SU chez les jeunes impliqués dans l'aide à l'enfance, 2) identifier les prédicteurs de l'utilisation de SU et 3) identifier les trajectoires des jeunes au SU. Méthodes: Les données ont été recueillies des dossiers de l'aide à l'enfance dans deux agences de Montréal, Canada. La régression logistique a été menée pour déterminer les prédicteurs de l'utilisation du SU. L'analyse de classe latente a servi à identifier les trajectoires au SU. Résultats: L'échantillon comprenait 226 jeunes âgés de 11 à 18 ans, dont 33 % ont visité le SU au moins une fois pour des problèmes de santé mentale durant leur implication à l'aide à l'enfance. Les utilisateurs de SU étaient plus susceptibles d'être jeunes avec des antécédents de 1) abus sexuel, 2) maladie mentale parentale, et 3) placements hors du foyer, comparés aux jeunes sans visite au SU. Un traitement de santé mentale a été initié dans les 30 jours suivant une présentation au SU dans 24 % des cas. Trois trajectoires ont été distinguées: 1) un contact avec un SU initié par les travailleurs de l'aide à l'enfance pour des idéations/tentatives de suicide, 2) un contact avec un SU initié par la police pour utilisation de substances et comportements externalisés et 3) un contact avec un SU initié par les parents pour des idéations/tentatives de suicide. Discussion: Bien que tous les jeunes aient été suivis par l'aide à l'enfance et que nombre d'entre eux aient déjà reçu des services de santé mentale, les jeunes avaient une utilisation élevée souvent récurrente du SU. Ceci met en lumière le besoin d'une coordination plus forte entre l'aide à l'enfance, les services de santé mentale pour les jeunes et les SU.

Investigation of Multicomponent Fluoridated Borate Glasses through a Design of Mixtures Approach.

Due to their enhanced dissolution, solubility and reaction speed, borate glasses offer potential advantages for the design and development of therapeutic ion-release systems. However, the field remains poorly understood relative to traditional phosphosilicate and silicate bioglasses. The increased structural complexity and relative lack of published data relating to borates, particularly borofluorates, also decreases the accuracy of artificial intelligence models, which are used to predict glass properties. To develop predictive models for borofluorate networks, this paper uses a design of mixtures approach for rapid screening of composition-property relationships, including the development of polynomial equations that comprehensively establish the predictive capabilities for glass transition, density, mass loss and fluoride release. A broad range of glass compositions, extending through the boron anomaly range, were investigated, with the inclusion of 45 to 95 mol% B2O3 along with 1-50 mol% MgO, CaO and Na2O as well as 1-30% KF and NaF. This design space allows for the investigation of the impact of fluorine as well as mixed alkali-alkaline earth effects. Glass formation was found to extend past 30 mol% KF or NaF without a negative impact on glass degradation in contrast to the trends observed in phosphosilicates. The data demonstrates that fluoroborate materials offer an exceptional base for the development of fluoride-releasing materials.

In vitro evaluation of Sensi-IP®: A soluble and mineralizing sensitivity solution.

OBJECTIVES: Sensi-IP®OG (SIP-OG) and Sensi-IP®FF (SIP-FF) are soluble bioactive glasses developed to treat dentin hypersensitivity and promote remineralization. Evaluation of their therapeutic potential to reduce dentin hypersensitivity and recover enamel strength was evaluated using standardized in vitro assessments based on simulated use. METHODS: To assess dentin occlusion a visual occlusion methodology was employed. Dentin discs were subjected to twice-daily simulated brushing (for 5 days) using 0.67 g of toothpaste for 10 s. Simple prototype toothpastes containing SIP-OG and SIP-FF were compared to commercially available controls: Colgate® Sensitive Pro-Relief (CPR) and Sensodyne® Repair and Protect with NovaMin® (SRP). Samples were stored in artificial saliva between treatments. All samples were assessed at baseline and subsequent to each treatment and were scored on a 5-point categorical scale for occlusion. For enamel surface effects, test articles of SIP-OG, SIP-FF, and SIP-FF with NaF were compared to a positive (with NaF) and a negative (no NaF) control paste. Enamel samples were subjected to a pH cycling regime, providing exposure to the toothpaste slurry (i.e., 2 parts deionized water to 1 part toothpaste), mineralizing solution, and demineralizing solution over 5 days of simulated use. Samples were stored overnight in mineralizing solution. Samples were evaluated for fluoride uptake and changes to surface microhardness. RESULTS: Visual occlusion scores (1 fully occluded to 5 unoccluded) were 2.6, 3.8, 4.4 and 4.0 after 1 day of simulated use for SIP-OG, SIP-FF with NaF, Colgate® Sensitive Pro-Relief and Sensodyne® Repair and Protect, respectively, decreasing to 1.0, 1.8, 3.1 and 3.9 after 5 days of application. SIP-OG provided superior occlusion at the significance level of p ≤ 0.05 at 1, 2, 3, 4, and 5 days. SIP-FF with NaF provided superior occlusion at the significance level of p ≤ 0.05 at 2, 4, and 5 days. Fluoride uptake ranged from 9.0 µg/cm2 for SIP-OG to 12.4 µg/cm2 for SIP-FF with NaF. Surface microhardness after acid cycling allowed recovery of 59 % of surface microhardness after treatment with SIP-OG or SIP-FF with NaF. SIP-OG achieved significant surface microhardness recovery versus SIP-FF alone, a NaF control paste, and a fluoride free control paste at the significance level of p ≤ 0.05. SIP-FF with NaF achieved surface microhardness recovery versus SIP-FF alone, a NaF control paste, and a fluoride free control paste at the significance level of p ≤ 0.05. CONCLUSIONS: Superior occlusion of dentin tubules was observed with both novel additives compared to commercially available toothpastes. A build-up effect with increasing occlusion was noted with repeated application for both novel additives and ascribed to mineralization effects, as supported by surface microhardness recovery on initial enamel lesions.

The effects of childhood adversity on treatment delays and its components in first-episode psychosis.

Apart from increasing risk for psychotic disorders, childhood adversity has been associated with worse outcomes. One way in which childhood adversity may worsen outcomes is by lengthening treatment delays, which are associated with negative impacts. We tested the influence of childhood trauma on treatment delays, measured as the duration of untreated psychosis (DUP), and its help-seeking and referral components, in a first-episode psychosis cohort (N = 203). We accounted for pertinent social (e.g., migrant status) and other determinants (i.e., age at onset, diagnosis, symptoms) of treatment delays. Multiple linear regression analyses revealed that for a one-unit increase in Childhood Trauma Questionnaire (CTQ) scores, average overall DUP increased by 25%. Higher CTQ scores also significantly predicted help-seeking and referral DUPs. Patients with schizophrenia-spectrum psychosis had longer help-seeking and total DUPs than those with affective psychosis. More severe positive symptoms predicted longer help-seeking DUPs, while more severe negative symptoms predicted longer referral DUPs. Indicators of social disadvantage did not affect DUP. Our results show that childhood trauma increases DUP by prolonging the help-seeking process and delaying access to mental healthcare even after help is sought. Early identification of psychosis among populations with trauma histories seems warranted and can likely positively impact outcomes.

The BDNF val66met polymorphism is associated with decreased use of landmarks and decreased fMRI activity in the hippocampus during virtual navigation.

People can navigate in a new environment using multiple strategies dependent on different memory systems. A series of studies have dissociated between hippocampus-dependent 'spatial' navigation and habit-based 'response' learning mediated by the caudate nucleus. The val66met polymorphism of the brain-derived neurotrophic factor (BDNF) gene leads to decreased secretion of BDNF in the brain, including the hippocampus. Here, we aim to investigate the role of the BDNF val66met polymorphism on virtual navigation behaviour and brain activity in healthy older adults. A total of 139 healthy older adult participants (mean age = 65.8 ± 4.4 years) were tested in this study. Blood samples were collected, and BDNF val66met genotyping was performed. Participants were divided into two genotype groups: val homozygotes and met carriers. Participants were tested on virtual dual-solution navigation tasks in which they could use either a hippocampus-dependent spatial strategy or a caudate nucleus-dependent response strategy to solve the task. A subset of the participants (n = 66) were then scanned in a 3T functional magnetic resonance imaging (fMRI) scanner while engaging in another dual-solution navigation task. BDNF val/val individuals and met carriers did not differ in learning performance. However, the two BDNF groups differed in learning strategy. BDNF val/val individuals relied more on landmarks to remember target locations (i.e., increased use of flexible spatial learning), while met carriers relied more on sequences and patterns to remember target locations (i.e., increased use of inflexible response learning). Additionally, BDNF val/val individuals had more fMRI activity in the hippocampus compared with BDNF met carriers during performance on the navigation task. This is the first study to show in older adults that BDNF met carriers use alternate learning strategies from val/val individuals and to identify differential brain activation of this behavioural difference between the two groups.

The feasibility of degradable glass microspheres as transient embolic medical devices.

The deliberate occlusion of blood flow through transarterial embolization is currently being used to treat conditions ranging from hemorrhages to hypervascular tumors. Degradable, imageable high borate glass microspheres (BRS2) were developed and tested to improve lesion targeting and promote a temporary vascular occlusion which is sufficient for most embolization procedure. A 48 hour pilot study, in a swine renal model, was conducted to assess the embolization effectiveness and potential risks of this new embolic agent. Bilateral embolization of the caudal branch of the renal arteries using test and control particles were performed in 4 pigs. Embolization efficacy, recanalization and resulting ischemia were evaluated at different time frame (0, 24 and 48 hours). The primary outcomes for this study were the assessment of: (i) embolization effectiveness, and (ii) vessel recanalization. The test article was found to occlude vessels as effectively as the control microspheres, with the use of a smaller volume of microspheres. At the 24 hour time point, over 95% of the material was found to be completely degraded, although little to no recanalization was observed. This data suggests that BRS2 is an effective embolic agent, however further investigations into the method of delivery are required prior to clinical implementation.

Experiences of pathways to mental health services for young people and their carers: a qualitative meta-synthesis review.

Worldwide, growing concern with young people's mental health is spurring service reform efforts. Such reform requires a full understanding of the experiences of young people and their carers when seeking mental health help. To generate such an understanding, we conducted a meta-synthesis of qualitative literature on the perspectives of youths and their carers on navigating mental health systems. Five electronic databases were searched (Medline, PsycINFO, EMBASE, CINAHL, HealthSTAR). Studies were included if they explored the experiences of pathways to mental health services of persons aged 11-30 years and/or their carers; were published in English or French; and used qualitative methodology. Quality appraisal was conducted using the CASP tool. The synthesis of 31 included studies yielded three themes-initiating contact with mental health services; characteristics of services' response; and youths' and carers' appraisal of services. Themes about initiating contact included mental health literacy, structural barriers, and social support. Service response-related themes included complex pathways, waitlists, eligibility, and fragmented care. In terms of service appraisal, positive encounters featured providers who were accessible and perceived as caring. Negative appraisals resulted from feeling misunderstood and excluded and being ill-informed about treatment. Across diagnoses and settings, youths and carers had difficult experiences accessing mental healthcare. While individual, social, and healthcare factors shaping pathways to care varied, systemic complexities were a common inhibitor. This synthesis informs recommendations for improving mental health services and youths' pathways to them. It underlines the need for grounding reform in youths' and carers' perspectives and needs.

Mechanical loading, an important factor in the evaluation of ion release from bone augmentation materials.

The controlled release of therapeutic inorganic ions from biomaterials is an emerging area of international research. One of the foci for this research is the development of materials, which spatially and temporally modulate therapeutic release, via controlled degradation in the intended physiological environment. Crucially however, our understanding of the release kinetics for such systems remains limited, particularly with respect to the influence of physiological loading. Consequently, this study was designed to investigate the effect of dynamic mechanical loading on a composite material intended to stabilize, reinforce and strengthen vertebral bodies. The composite material contains a borate glass engineered to release strontium as a therapeutic inorganic ion at clinically relevant levels over extended time periods. It was observed that both cyclic (6 MPa 2 Hz) and static (4.3 MPa) compressive loading significantly increased the release of strontium ions in comparison to the static unloaded case. The observed alterations in ion release kinetics suggest that the mechanical loading of the implantation environment should be considered when evaluating the ion release kinetics.

Pathways to mental health services for young people: a systematic review.

PURPOSE: While early access to appropriate care can minimise the sequelae of mental illnesses, little is known about how youths come to access mental healthcare. We therefore conducted a systematic review to synthesise literature on the pathways to care of youths across a range of mental health problems. METHODS: Studies were identified through searches of electronic databases (MEDLINE, PsycINFO, Embase, HealthSTAR and CINAHL), supplemented by backward and forward mapping and hand searching. We included studies on the pathways to mental healthcare of individuals aged 11-30 years. Two reviewers independently screened articles and extracted data. RESULTS: Forty-five studies from 26 countries met eligibility criteria. The majority of these studies were from settings that offered services for the early stages of psychosis, and others included inpatient and outpatient settings targeting wide-ranging mental health problems. Generally, youths' pathways to mental healthcare were complex, involved diverse contacts, and, sometimes, undue treatment delays. Across contexts, family/carers, general practitioners and emergency rooms featured prominently in care pathways. There was little standardization in the measurement of pathways. CONCLUSIONS: Except in psychosis, youths' pathways to mental healthcare remain understudied. Pathways to care research may need to be reconceptualised to account for the often transient and overlapping nature of youth mental health presentations, and the possibility that what constitutes optimal care may vary. Despite these complexities, additional research, using standardized methodology, can yield a greater understanding of the help-seeking behaviours of youths and those acting on their behalf; service responses to help-seeking; and the determinants of pathways. This understanding is critical to inform ongoing initatives to transform youth mental healthcare.

Heroism and nursing: A thematic review of the literature.

OBJECTIVES: Nursing history is replete with examples of heroic individuals acting courageously to meet the needs of vulnerable patients and communities. Heroism exemplifies the pinnacle of self-actualised behaviour. It fuels the plots of countless human stories, and enthrals and inspires people. Yet, heroism may be seen as an extreme behaviour that only exceptional individuals are capable of enacting, and may thus be seen as out of reach for ordinary nurses, and something that could be risky to teach and disseminate. An alternative view is that altruistic professions such as nursing are often regarded as being heroic by nature, and that nurses therefore need to be encouraged to understand, deepen and exercise their potential through a recognition of acts of heroism in nursing - whether these can be classed as exceptional or everyday acts of nursing heroism. The purpose of this article is to provide a thematic review of the literature on heroism in nursing, in order to understand how recent research in heroism science is being, or could be, applied to the nursing discipline. Heroism science is an emerging research area that is of interest to nursing leaders, educators and all those seeking to advance the social change agenda in healthcare. REVIEW METHODS: A literature review was undertaken in 2017 using CINAHL, PUBMED, Cochrane, Medline, and Google Scholar. The search was limited to papers that were peer reviewed, in English, and published in the last ten years. RESULTS: Four books and 33 papers were identified. CONCLUSION: Gaining a clear understanding of what constitutes a hero and heroism is essential to applying heroism to nursing and to education of students so they are inspired to act courageously.

Description, evaluation and scale-up potential of a model for rapid access to early intervention for psychosis.

AIM: This paper aims to describe the entry protocol of the Prevention and Early Intervention for Psychosis Program (PEPP)-Montreal, an early intervention program for psychosis. The protocol is designed to fulfil a key objective of the early intervention movement-reducing delays to accessing high-quality care. The paper also aims to describe how this rapid entry protocol can be deployed in other services interested in reducing delays in initiating treatment. METHODS: PEPP provides rapid, easy access to quality care by placing a single, well-trained professional, the intake clinician, at the point of entry. Anyone can refer a youth directly and without formalities to the intake clinician who responds promptly and sensitively to all help-seeking, whether by a youth, a family member, a school counsellor or anyone acting on behalf of a youth in need. To promote accessibility, PEPP guarantees an initial assessment within 72 hours; maintains relationships with referral sources; and conducts awareness-enhancing outreach activities. RESULTS: Since 2003, PEPP has received 1750 referrals, which have all been responded to within 72 hours. Families have been involved in the intake process in 60% of the cases and hospitalization may have been averted in over half of the referrals originating from emergency-room services. Another indicator of success is the very low turnover in the intake clinician's position. Overall, the PEPP model has succeeded in providing rapid, engaging, easy and youth-friendly access to high-quality care. CONCLUSION: The success of this protocol at PEPP has inspired the entry protocols at other first-episode psychosis services. Its ability to provide rapid, engaging access to high-quality services may allow this protocol to become a model for other early intervention services for psychosis and other mental illnesses.

Hyperglycaemia does not increase perfusion deficits after focal cerebral ischaemia in male Wistar rats.

BACKGROUND: Hyperglycaemia is associated with a worse outcome in acute ischaemic stroke patients; yet the pathophysiological mechanisms of hyperglycaemia-induced damage are poorly understood. We hypothesised that hyperglycaemia at the time of stroke onset exacerbates ischaemic brain damage by increasing the severity of the blood flow deficit. METHODS: Adult, male Wistar rats were randomly assigned to receive vehicle or glucose solutions prior to permanent middle cerebral artery occlusion. Cerebral blood flow was assessed semi-quantitatively either 1 h after middle cerebral artery occlusion using 99mTc-D, L-hexamethylpropyleneamine oxime (99mTc-HMPAO) autoradiography or, in a separate study, using quantitative pseudo-continuous arterial spin labelling for 4 h after middle cerebral artery occlusion. Diffusion weighted imaging was performed alongside pseudo-continuous arterial spin labelling and acute lesion volumes calculated from apparent diffusion coefficient maps. Infarct volume was measured at 24 h using rapid acquisition with refocused echoes T2-weighted magnetic resonance imaging. RESULTS: Glucose administration had no effect on the severity of ischaemia when assessed by either 99mTc-HMPAO autoradiography or pseudo-continuous arterial spin labelling perfusion imaging. In comparison to the vehicle group, apparent diffusion coefficient-derived lesion volume 2-4 h post-middle cerebral artery occlusion and infarct volume 24 h post-middle cerebral artery occlusion were significantly greater in the glucose group. CONCLUSIONS: Hyperglycaemia increased acute lesion and infarct volumes but there was no evidence that the acute blood flow deficit was exacerbated. The data reinforce the conclusion that the detrimental effects of hyperglycaemia are rapid, and that treatment of post-stroke hyperglycaemia in the acute period is essential but the mechanisms of hyperglycaemia-induced harm remain unclear.

Healthy versus Entorhinal Cortical Atrophy Identification in Asymptomatic APOE4 Carriers at Risk for Alzheimer's Disease.

Early detection of Alzheimer's disease (AD) has been challenging as current biomarkers are invasive and costly. Strong predictors of future AD diagnosis include lower volume of the hippocampus and entorhinal cortex, as well as the ɛ4 allele of the Apolipoprotein E gene (APOE) gene. Therefore, studying functions that are critically mediated by the hippocampus and entorhinal cortex, such as spatial memory, in APOE ɛ4 allele carriers, may be key to the identification of individuals at risk of AD, prior to the manifestation of cognitive impairments. Using a virtual navigation task developed in-house, specifically designed to assess spatial versus non-spatial strategies, the current study is the first to differentiate functional and structural differences within APOE ɛ4 allele carriers. APOE ɛ4 allele carriers that predominantly use non-spatial strategies have decreased fMRI activity in the hippocampus and increased atrophy in the hippocampus, entorhinal cortex, and fimbria compared to APOE ɛ4 allele carriers who use spatial strategies. In contrast, APOE ɛ4 allele carriers who use spatial strategies have grey matter levels comparable to non-APOE ɛ4 allele carriers. Furthermore, in a leave-one-out analysis, grey matter in the entorhinal cortex could predict navigational strategy with 92% accuracy.

Improving patient safety during procedural sedation via respiratory volume monitoring: A randomized controlled trial.

STUDY OBJECTIVE: Assess the utility of a respiratory volume monitor (RVM) to reduce the incidence of low minute ventilation events in procedural sedation. DESIGN: Randomized control trial SETTING: Endoscopy suite PATIENTS: Seventy-three total patients (ASA Physical Status 1-3) undergoing upper endoscopies were analyzed. INTERVENTION: Patients were randomized into two groups using a computer generated randomization table: Control (n=41): anesthesia provider was unable to see the screen of the RVM; RVM (n=32): anesthesia provider had access to RVM data to assist with management of the case. MEASUREMENTS: Minute ventilation (MV), tidal volume, and respiratory rate were continuously recorded by the RVM. MV is presented as percent of Baseline MV (MVBaseline), defined during a 30s period of quiet breathing prior to sedation. We defined Low MV as MV<40% MVBaseline, and calculated the percentage of procedure spent with Low MV. Patients in the RVM group were stratified based on whether the anesthesiologist rated the RVM as "not useful", "somewhat useful", or "very useful" during the case. MAIN RESULTS: Control patients experienced twice as much Low MV compared to RVM patients (15.3±2.8% vs. 7.1±1.4%, P=0.020). The "not useful" (13.7±3.8%) group showed no improvement over the Control group (p=0.81). However, both the "very useful" (4.7±1.4%) and "somewhat useful" (4.9±1.7%) groups showed significant improvement over the "not useful" group (p<0.05). CONCLUSIONS: Patients in the Control group spent more than double the amount of time with Low MV compared to the RVM group. This difference became more pronounced when the anesthesiologist found the RVM useful for managing care, lending credibility to the usage of minute ventilation monitoring in procedural sedation.

Positive Changes Experienced After a First Episode of Psychosis: A Systematic Review.

OBJECTIVE: Although the negative consequences associated with first-episode psychosis (FEP) have been well investigated, relatively less is known about positive changes that people may experience after FEP. Existing literature is disparate and in need of synthesis. Such a synthesis can inform the design of mental health services that foster strengths, hope, and optimism. The objective of this study was to synthesize the literature on how positive change is experienced after FEP by affected persons and their families and friends and to delineate the individual, social, and structural factors facilitating positive change. METHODS: A librarian-assisted systematic review of quantitative, qualitative, and mixed-methods studies published in English between 1970 and 2015 was conducted. Articles identified from three databases (PubMed, PsycINFO, and Embase) and through additional search strategies were screened. Results sections were open coded and analyzed by using thematic synthesis. RESULTS: Of the 2,777 studies identified, 40 were retained. The synthesis of findings showed that after FEP, service users and their families and friends experienced positive changes at the individual (for example, more insight and clarity), interpersonal (for example, improved relationships), and spiritual levels (for example, greater religiosity). In addition to being facilitated by mental health services, these positive changes were enabled by personal (for example, motivation), social (for example, family support), and spiritual (for example, prayer) factors. CONCLUSIONS: Suffering is a core experience of FEP from which a range of positive changes can follow among service users and their families and friends. It may be beneficial for mental health services to specifically strive to promote these positive changes.