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1.
Child Maltreat ; 28(2): 384-395, 2023 05.
Artículo en Inglés | MEDLINE | ID: mdl-35576407

RESUMEN

Early adversity predicts increased risk for mental and physical health problems. As such, intervention efforts, such as home-based parenting programs, have been initiated with vulnerable families to reduce adversity exposure and promote child well-being. The present randomized clinical trial had a parallel design and 1:1 allocation ratio of SafeCare augmented for an urban high-risk population (SC+) compared to standard home-based mental health services (SAU) to examine risk and protective factors proximal to child maltreatment. Parents (N=562) of young children (5 years or less) at risk of depression, intimate partner violence, or substance abuse were randomized to SC+ or SAU. A significant program effect was found in favor of SC+ for parental depression and social support, as well as within-group improvements for both groups in depression, intimate partner victimization, family resources, and social support. Promising next steps include future trials examining how improvements in parental depression and social support impact child well-being over time and further augmentation of SafeCare to enhance healthy relationships and address cultural congruency of services.


Asunto(s)
Experiencias Adversas de la Infancia , Maltrato a los Niños , Trastornos Relacionados con Sustancias , Niño , Humanos , Preescolar , Factores Protectores , Padres/psicología , Maltrato a los Niños/prevención & control , Trastornos Relacionados con Sustancias/epidemiología , Responsabilidad Parental
2.
Front Bioeng Biotechnol ; 10: 983317, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36225599

RESUMEN

Electrical stimulation (ES) promotes healing of chronic epidermal wounds and delays degeneration of articular cartilage. Despite electrotherapeutic treatment of these non-excitable tissues, the mechanisms by which ES promotes repair are unknown. We hypothesize that a beneficial role of ES is dependent on electrokinetic perfusion in the extracellular space and that it mimics the effects of interstitial flow. In vivo, the extracellular space contains mixtures of extracellular proteins and negatively charged glycosaminoglycans and proteoglycans surrounding cells. While these anionic macromolecules promote water retention and increase mechanical support under compression, in the presence of ES they should also enhance electro-osmotic flow (EOF) to a greater extent than proteins alone. To test this hypothesis, we compare EOF rates between artificial matrices of gelatin (denatured collagen) with matrices of gelatin mixed with anionic polymers to mimic endogenous charged macromolecules. We report that addition of anionic polymers amplifies EOF and that a matrix comprised of 0.5% polyacrylate and 1.5% gelatin generates EOF with similar rates to those reported in cartilage. The enhanced EOF reduces mortality of cells at lower applied voltage compared to gelatin matrices alone. We also use modeling to describe the range of thermal changes that occur during these electrokinetic experiments and during electrokinetic perfusion of soft tissues. We conclude that the negative charge density of native extracellular matrices promotes electrokinetic perfusion during electrical therapies in soft tissues and may promote survival of artificial tissues and organs prior to vascularization and during transplantation.

3.
J R Soc Interface ; 19(188): 20210849, 2022 03.
Artículo en Inglés | MEDLINE | ID: mdl-35232280

RESUMEN

Passive filtering is a common strategy to reduce airborne disease transmission and particulate contaminants across scales spanning orders of magnitude. The engineering of high-performance filters with relatively low flow resistance but high virus- or particle-blocking efficiency is a non-trivial problem of paramount relevance, as evidenced in the variety of industrial filtration systems and face masks. Next-generation industrial filters and masks should retain sufficiently small droplets and aerosols while having low resistance. We introduce a novel 3D-printable particle filter inspired by animals' complex nasal anatomy. Unlike standard random-media-based filters, the proposed concept relies on equally spaced channels with tortuous airflow paths. These two strategies induce distinct effects: a reduced resistance and a high likelihood of particle trapping by altering their trajectories with tortuous paths and induced local flow instability. The structures are tested for pressure drop and particle filtering efficiency over different airflow rates. We have also cross-validated the observed efficiency through numerical simulations. We found that the designed filters exhibit a lower pressure drop, compared to commercial masks and filters, while capturing particles bigger than approximately 10 µm. Our findings could facilitate a novel and scalable filter concept inspired by animal noses.


Asunto(s)
Filtración , Aerosoles , Animales , Tamaño de la Partícula
4.
Implement Sci Commun ; 3(1): 1, 2022 Jan 04.
Artículo en Inglés | MEDLINE | ID: mdl-34983689

RESUMEN

BACKGROUND: Sustained delivery of evidence-based treatments (EBTs) is essential to addressing the public health and economic impacts of youth mental health problems, but is complicated by the limited and fragmented funding available to youth mental health service agencies (hereafter, "service agencies"). Strategic planning tools are needed that can guide these service agencies in their coordination of sustainable funding for EBTs. This protocol describes a mixed-methods research project designed to (1) develop and (2) evaluate our novel fiscal mapping process that guides strategic planning efforts to finance the sustainment of EBTs in youth mental health services. METHOD: Participants will be 48 expert stakeholder participants, including representatives from ten service agencies and their partners from funding agencies (various public and private sources) and intermediary organizations (which provide guidance and support on the delivery of specific EBTs). Aim 1 is to develop the fiscal mapping process: a multi-step, structured tool that guides service agencies in selecting the optimal combination of strategies for financing their EBT sustainment efforts. We will adapt the fiscal mapping process from an established intervention mapping process and will incorporate an existing compilation of 23 financing strategies. We will then engage participants in a modified Delphi exercise to achieve consensus on the fiscal mapping process steps and gather information that can inform the selection of strategies. Aim 2 is to evaluate preliminary impacts of the fiscal mapping process on service agencies' EBT sustainment capacities (i.e., structures and processes that support sustainment) and outcomes (e.g., intentions to sustain). The ten agencies will pilot test the fiscal mapping process. We will evaluate how the fiscal mapping process impacts EBT sustainment capacities and outcomes using a comparative case study approach, incorporating data from focus groups and document review. After pilot testing, the stakeholder participants will conceptualize the process and outcomes of fiscal mapping in a participatory modeling exercise to help inform future use and evaluation of the tool. DISCUSSION: This project will generate the fiscal mapping process, which will facilitate the coordination of an array of financing strategies to sustain EBTs in community youth mental health services. This tool will promote the sustainment of youth-focused EBTs.

5.
Pilot Feasibility Stud ; 7(1): 212, 2021 Dec 06.
Artículo en Inglés | MEDLINE | ID: mdl-34872619

RESUMEN

BACKGROUND: Child maltreatment is a major public issue in the United States, yet most children affected by abuse or neglect never engage in evidence-based practices (EBP) for child mental health. Children's Advocacy Centers (CACs') are uniquely situated to serve as Family Navigators who connect children impacted by maltreatment to appropriate EBPs. In fact, the CAC position of Victim Advocate mirrors the Mental Health Family Navigator national initiative. METHODS: The feasibility study protocol is to develop, implement, and evaluate web-based and consultative training for Victim Advocates to enhance early engagement in services (E3 training). The interactive web-based training embeds key targets of knowledge and skills related to family engagement, trauma, and EBP services. Participating CACs were randomized to E3 webinar-based training, E3 webinar plus consultation, or delayed training. The project will test the E3 training's impact on key mechanisms of change (e.g., knowledge, skills) to improve rates of screening, referral, and access to EBP services. The feasibility of implementing the training program and differential impact and costs by level of training will be examined. DISCUSSION: The overarching goal of this project is to test the feasibility of training that is readily implemented through CACs and examine the mechanisms for improving early engagement and, ultimately, child, and adolescent mental health outcomes. Results and cost findings will be used to plan a large-scale comprehensive, mixed-methods hybrid type II effectiveness-implementation and cost-effectiveness trial of family navigator E3 training. If outcomes are positive, considerable infrastructure exists to support the scale-up and sustainability of E3 training nationwide, by embedding the training in national CAC training protocols. TRIAL REGISTRATION: NCT04221633 DATE AND VERSION IDENTIFIER: March 25, 2021; Vers. 1.0 (original); September 11, 2021; Vers 2.0 (revision); October 29, 2021; Vers. 3.0 (revision).

6.
Front Psychol ; 11: 377, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32210890

RESUMEN

The purpose of this laboratory study involving repeated measures of emotion as 214 undergraduates (58.4% male) learned a complex video game was to address the need for empirical research on dynamic personality constructs by examining how two aspects of affect variability-spin and pulse-explain variance in skill acquisition and adaptive performance. Spin refers to within-person fluctuations in affect pleasantness and activation potential. Pulse refers to within-person fluctuations in affect intensity. Despite research showing high affect variability reflects a personality profile of heighted reactivity to emotionally charged events and poor adjustment, little empirical research has examined their relationships with behavioral outcomes, much less aspects of skilled performance. Compared to traditional measures of personality, which yield weak effects for predicting acquisition and adaptive performance, measures of affect variability hold considerable promise because they, like performance, reflect dynamic within-person phenomena. Accordingly, the main question addressed by this study was whether spin and pulse incrementally explain acquisition and adaptive performance beyond Big Five measures of personality. In general, we expected harmful, incremental effects for both spin and pulse, and hypothesized two mechanisms for these harmful effects: (1) by undermining effort and (2) by undermining the effort-performance relationship. Using a task-change paradigm and discontinuous growth modeling that disentangled adaptation from acquisition, results showed that affect variability, independent of the Big Five, produced harmful effects via both hypothesized mechanisms. Participants higher in affect spin and pulse showed less sustained effort across performance sessions and exhibited lower performance. Furthermore, the harmful effects of spin and pulse were stronger in adaptation compared to acquisition, with pulse showing stronger direct effects on performance during adaptation and spin moderating the effort-performance relationship such that effort was only beneficial during adaptation for those lower in spin. In light of these results, one might question the common advice "keep calm and carry on," which may not be viable for persons high in affect variability. Accordingly, results are discussed in terms of the need to better understand the specific mediating processes by which high affect variability undermines success across a variety of learning and performance contexts.

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