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1.
Adm Policy Ment Health ; 51(2): 240-253, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38183521

RESUMEN

Evidence-based practice (EBP) fidelity, understood as the extent to which a program is implemented as the developers intended, is a key implementation variable which likely relates to consumer outcomes. However, studies that track fidelity longitudinally and at large scale are uncommon, and finding reliable predictors of fidelity has proven to be a complex challenge. Further, attitudes toward EBP are a potentially important predictor of fidelity, but results across the literature have been mixed. The purpose of the present study is to use data from the ongoing implementation and dissemination of the SafeCare model to better understand (1) the characteristics of SafeCare implementation fidelity trajectories, and (2) whether individual level factors predict differences in fidelity and fidelity trajectories, especially provider attitudes toward EBP. The analyses reported here include 14,778 observed fidelity sessions by 868 providers in 172 agencies. We use multilevel modeling to examine fidelity, fidelity trajectories over time, and several potential individual-level predictors of fidelity, including demographics, work history, and attitudes toward EBP. We found: (1) that SafeCare fidelity begins high at baseline (93.85% on average); (2) that SafeCare fidelity displays a statistically significant trend of positive linear growth, even among those with less positive attitudes; and (3) that positive attitudes are associated with slightly higher fidelity on average and at baseline, while negative attitudes are associated with slightly lower fidelity on average and at baseline. To our knowledge, this is the largest longitudinal analysis of EBP fidelity in a child welfare program to date, and our findings support the notion that intensive coaching supports which are titrated over time can be sufficient to ensure sustained high fidelity, at least in some cases. Further, these findings indicate that robust training and coaching processes can ensure high fidelity and fidelity growth even among providers with less positive attitudes toward EBP.


Asunto(s)
Protección a la Infancia , Responsabilidad Parental , Niño , Humanos , Práctica Clínica Basada en la Evidencia , Estudios Longitudinales
2.
Drug Alcohol Depend Rep ; 9: 100193, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37876376

RESUMEN

Background: Although use of buprenorphine for treating opioid use disorder increased over the past decade, buprenorphine utilization remains limited in lower-income and rural areas. We examine how the Affordable Care Act Medicaid expansion influenced buprenorphine initiation rates by county income and evaluate how associations differ by county rural-urban status. Methods: This study used nationwide 2009-2018 IQVIA retail pharmacy data and a comparative interrupted time series framework-a hybrid framework combining regression discontinuity and difference-in-difference approaches. We used piecewise linear estimation to quantify changes in buprenorphine initiation rates before and after Medicaid expansion. Results: The sample included observations from 376,704 county-months. We identified 5,227,340 new buprenorphine treatment episodes, with an average of 9.2 new buprenorphine episodes per month per 100,000 county residents. Among urban counties, those with the lowest median incomes experienced significantly larger increases in buprenorphine initiation rates associated with Medicaid expansion than counties with higher median incomes (5-year rates difference est=3525.3, se=1695.3, p = 0.04). However, among rural counties, there was no significant association between buprenorphine initiation rates and county median income after Medicaid expansion (5-year rates difference est=979.0, se=915.8, p = 0.29). Conclusions: Medicaid expansion was associated with a reduction in income-related buprenorphine disparities in urban counties, but not in rural counties. To achieve more equitable buprenorphine access, future policies should target low-income rural areas.

3.
Front Public Health ; 11: 1181543, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37469691

RESUMEN

Background: Gender-based violence (GBV) and violence against children (VAC) are two prevalent and highly interconnected global health challenges, yet data and research capacities to study these forms of violence and to generate evidence-based policies and programs remain limited. To address critical shortages in research capacity in Vietnam and to establish a model for other Low- and Middle-Income Countries (LMICs), we are establishing CONVERGE-the Consortium for Violence Prevention Research, Implementation, and Leadership Training for Excellence. Methods: Based on a needs assessment with partners in Vietnam, CONVERGE will provide a comprehensive research training program supporting 15 long-term, postdoctoral trainees with multi-disciplinary research training in GBV and VAC. We also will offer in-country trainings and short-courses to 40 short-term mid-career academic trainees and 60 short-term practitioner/stakeholder trainees over 5 years to build productive GBV and VAC academic, scientific, and practitioner networks. The CONVERGE training program has four components: (1) 14 h of virtual/in-person annual mentorship training to prepare research mentors and to create a pipeline of future mentors in Vietnam; (2) a one-month intensive research training for long-term postdoctoral fellows at Emory University; (3) a structured 17-month, in-country mentored research project for long-term trainees that results in a peer-reviewed manuscript and a subsequent grant submission; and, (4) week-long in-country intensive translational trainings on implementation science, advanced topics in leadership, and advanced topics in science dissemination. Opportunities for on-going virtual training and professional networking will be provided for CONVERGE trainees and mentors in Vietnam with other trainees and mentors of D43s focused on injury/violence prevention, D43s housed at Emory, and D43s with other institutions in Southeast Asia. To assess the reach, implementation, fidelity, and effectiveness of these four components, we will implement a rigorous, mixed-methods, multi-level evaluation strategy using process and outcome measures. Findings from the evaluation will be used to refine program components for future trainee and mentor cohorts and to assess long-term program impact. Discussion: Led by Emory University in the US and Hanoi Medical University in Vietnam, CONVERGE represents leading institutions and experts from around the world, with a goal of providing mentorship opportunities for early-career scientists with an interest in violence prevention.


Asunto(s)
Violencia de Género , Humanos , Liderazgo , Mentores , Personal de Salud/educación , Violencia/prevención & control
4.
Pilot Feasibility Stud ; 9(1): 81, 2023 May 12.
Artículo en Inglés | MEDLINE | ID: mdl-37173799

RESUMEN

BACKGROUND: Exposure to secondhand tobacco smoke (SHS) and child maltreatment are preventable threats to child health. Few evidence-based interventions target both SHS and child maltreatment risk. The purpose of this paper is to describe the systematic braiding process of two evidence-based programs to address child SHS in the home and maltreatment perpetration risk, and present results from the formative work and pilot study. METHODS: The first 4 steps of the systematic braiding process were completed, including the following: (1) the identification of core elements of both programs, (2) the development of an initial draft of the braided curriculum (Smoke-Free Home SafeCare - SFH-SC), (3) an acceptability and feasibility pilot of SFH-SC with caregivers of young children who reported a smoker living in the home (N = 8), and (4) feedback collection on the braided curriculum from SafeCare Providers (N = 9). RESULTS: Experts identified common pedagogical and theoretical underpinnings for the two programs and braided Smoke-Free Homes: Some Things Are Better Outside into two SafeCare modules. Caregiver feedback from the pilot demonstrated that participants were engaged with SFH-SC and felt supported and comfortable discussing SHS intervention content with the SFH-SC Provider. Caregiver self-reports indicated a slight increase in smoke-free home rules from baseline to follow-up and a notable reduction in parent stress on the Parent Stress Index of 5.9 points (SD = 10.2). SafeCare Provider feedback following intensive review of the curriculum indicated high feasibility for SFH-SC delivery. CONCLUSIONS: Parent and Provider findings suggest SFH-SC is a viable intervention that has potential to reduce the public health impact of SHS and child maltreatment for at-risk families. PROTOCOL: The protocol for the pilot is not published elsewhere; however, the full protocol for the hybrid trial can be found here: https://clinicaltrials.gov/ct2/show/NCT05000632 . TRIAL REGISTRATION: NCT, NCT05000632. Registered 14 July 2021, there is not a separate registration number for the pilot.

5.
BMC Health Serv Res ; 23(1): 88, 2023 Jan 26.
Artículo en Inglés | MEDLINE | ID: mdl-36703142

RESUMEN

BACKGROUND: Evidence-based interventions, which are typically supported by data from randomized controlled trials (RCTs), are highly valued by providers of human services like child welfare. However, implementing such interventions in the context of a randomized clinical trial is a complex process, as conducting an RCT adds extra tasks for providers and complicating factors for provider organizations. Utilizing the Exploration, Preparation, Implementation, and Sustainment Framework, this study examines factors that facilitate or impede success in the implementation of evidence-based interventions in the context of a largescale trial of SafeCare,® a child maltreatment intervention. METHODS: Qualitative data were obtained as part of a larger mixed-methods study involving a cluster randomized trial comparing SafeCare to usual services for caregivers within nine child welfare agencies across four states. Between May and October 2017, individual interviews were conducted with a purposive sample of 21 child welfare administrators and 24 supervisors, and 19 focus groups were conducted with 84 providers. Data were coded iteratively and grouped into themes. RESULTS: Several interconnected themes centered on facilitators and barriers to SafeCare implementation in the context of a randomized clinical trial. Facilitators included: (1) Benefits afforded through RCT participation; (2) Shared vision and sustained buy-in across system and organizational levels; and (3) Ongoing leadership support for SafeCare and the RCT. Barriers that hindered SafeCare were: (1) Insufficient preparation to incorporate SafeCare into services; (2) Perceived lack of fit, leading to mixed support for SafeCare and the RCT; and (3) Requirements of RCT participation at the provider level. CONCLUSIONS: These data yield insight into an array of stakeholder perspectives on the experience of implementing a new intervention in the context of a largescale trial. This research also sheds light on how the dynamics of conducting an RCT may affect efforts to implement interventions in complex and high-pressure contexts. Findings highlight the importance of aligning knowledge and expectations among researchers, administrators of organizations, and supervisors and providers. Researchers should work to alleviate the burdens of study involvement and promote buy-in among frontline staff not only for the program but also for the research itself.


Asunto(s)
Maltrato a los Niños , Medicina Basada en la Evidencia , Niño , Humanos , Maltrato a los Niños/prevención & control , Protección a la Infancia , Grupos Focales , Investigación Cualitativa , Ensayos Clínicos Controlados Aleatorios como Asunto , Estados Unidos
6.
PLoS One ; 17(10): e0275981, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36251646

RESUMEN

BACKGROUND: States, territories, non-profits, and tribes are eligible to obtain federal funding to implement federally endorsed evidence-based home visiting programs. This represents a massive success in translational science, with $400 million a year allocated to these implementation efforts. This legislation also requires that 3% of this annual funding be allocated to tribal entities implementing home visiting in their communities. However, implementing stakeholders face challenges with selecting which program is best for their desired outcomes and context. Moreover, recent reviews have indicated that when implemented in practice and delivered at scale, many evidence-based home visiting programs fail to replicate the retention rates and effects achieved during clinical trials. To inform program implementers and better identify the active ingredients in home visiting programs that drive significant impacts, we aimed to develop an expert derived consensus taxonomy on the elements used in home visiting practice that are essential to priority outcome domains. METHODS: We convened a panel of 16 experts representing researchers, model representatives, and program implementers using a Delphi approach. We first elicited standard practice elements (SPEs) using open-ended inquiry, then compared these elements to behavior change techniques (BCTs) given their general importance in the field of home visiting; and finally rated their importance to 10 outcome domains. RESULTS: Our process identified 48 SPEs derived from the panel, with 83 additional BCTs added based on the literature. Six SPEs, mostly related to home visitor characteristics and skills, were rated essential across all outcome domains. Fifty-three of the 83 BCTs were rated unnecessary across all outcome domains. CONCLUSIONS: This work represents the first step in a consensus-grounded taxonomy of techniques and strategies necessary for home visiting programs and provides a framework for future hypothesis testing and replication studies.


Asunto(s)
Visita Domiciliaria , Atención Posnatal , Terapia Conductista , Femenino , Humanos , Pueblos Indígenas , Embarazo
7.
Am Fam Physician ; 106(3): 288-298, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-36126009

RESUMEN

Thrombocytopenia is a platelet count of less than 150 × 103 per µL and can occur from decreased platelet production, increased destruction, splenic sequestration, or dilution or clumping. Patients with a platelet count greater than 50 × 103 per µL are generally asymptomatic. Patients with platelet counts between 20 and 50 × 103 per µL may have mild skin manifestations such as petechiae, purpura, or ecchymosis. Patients with platelet counts of less than 10 × 103 per µL have a high risk of serious bleeding. Although thrombocytopenia is classically associated with bleeding, there are conditions in which bleeding and thrombosis can occur, such as antiphospholipid syndrome, heparin-induced thrombocytopenia, and thrombotic microangiopathies. Patients with isolated thrombocytopenia in the absence of systemic illness most likely have immune thrombocytopenia or drug-induced thrombocytopenia. In stable patients being evaluated as outpatients, the first step is to exclude pseudothrombocytopenia by collecting blood in a tube containing heparin or sodium citrate and repeating the platelet count. If thrombocytopenia is confirmed, the next step is to distinguish acute from chronic thrombocytopenia by obtaining or reviewing previous platelet counts. Patients with acute thrombocytopenia may require hospitalization. Common causes that require emergency hospitalization are heparin-induced thrombocytopenia, thrombotic microangiopathies, and the hemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome. Common nonemergency causes of thrombocytopenia include drug-induced thrombocytopenia, immune thrombocytopenia, and hepatic disease. Transfusion of platelets is recommended when patients have active hemorrhage or when platelet counts are less than 10 × 103 per µL, in addition to treatment (when possible) of underlying causative conditions. It is important to ensure adequate platelet counts to decrease bleeding risk before invasive procedures; this may also require a platelet transfusion. Patients with platelet counts of less than 50 × 103 per µL should adhere to activity restrictions to avoid trauma-associated bleeding.


Asunto(s)
Púrpura Trombocitopénica Idiopática , Microangiopatías Trombóticas , Hemorragia/diagnóstico , Hemorragia/etiología , Hemorragia/terapia , Heparina/efectos adversos , Humanos , Recuento de Plaquetas , Púrpura Trombocitopénica Idiopática/complicaciones , Citrato de Sodio , Microangiopatías Trombóticas/complicaciones , Microangiopatías Trombóticas/terapia
8.
Nat Chem ; 14(7): 766-774, 2022 07.
Artículo en Inglés | MEDLINE | ID: mdl-35778563

RESUMEN

Nucleosides are essential to the emergence of life, and so their synthesis is a key challenge for prebiotic chemistry. Although amino-nucleosides have enhanced reactivity in water compared with ribonucleosides, they are assumed to be prebiotically irrelevant due to perceived difficulties with their selective formation. Here we demonstrate that 3'-amino-TNA nucleosides (TNA, threose nucleic acid) are formed diastereoselectively and regiospecifically from prebiotic feedstocks in four high-yielding steps. Phosphate provides an unexpected resolution, leading to spontaneous purification of the genetically relevant threo-isomer. Furthermore, 3'-amino-TNA nucleosides are shown to be phosphorylated directly in water, under mild conditions with cyclic trimetaphosphate, forming a nucleoside triphosphate (NTP) in a manner not feasible for canonical nucleosides. Our results suggest 3'-amino-TNA nucleosides may have been present on the early Earth, and the ease with which these NTPs form, alongside the inherent selectivity for the Watson-Crick base-pairing threo-monomer, warrants further study of the role they could play during the emergence of life.


Asunto(s)
Ácidos Nucleicos , Nucleósidos , Emparejamiento Base , Agua
9.
J Am Chem Soc ; 144(23): 10151-10155, 2022 06 15.
Artículo en Inglés | MEDLINE | ID: mdl-35640067

RESUMEN

The prebiotic origin of catalyst-controlled peptide synthesis is fundamental to understanding the emergence of life. Building on our recent discovery that thiols catalyze the ligation of amino acids, amides, and peptides with amidonitriles in neutral water, we demonstrate the outcome of ligation depends on pH and that high pKa primary thiols are the ideal catalysts. While the most rapid thiol catalyzed peptide ligation occurs at pH 8.5-9, the most selective peptide ligation, that tolerates all proteinogenic side chains, occurs at pH 7. We have also identified the highly selective mechanism by which the intermediate peptidyl amidines undergo hydrolysis to α-peptides while demonstrating that the hydrolysis of amidines with nonproteinogenic structures, such as ß- and γ-peptides, displays poor selectivity. Notably, this discovery enables the highly α-selective protecting-group-free ligation of lysine peptides at neutral pH while leaving the functional ε-amine side chain intact.


Asunto(s)
Amidas , Lisina , Amidinas , Catálisis , Hidrólisis , Péptidos/química , Prebióticos , Compuestos de Sulfhidrilo/química , Agua
10.
Drug Alcohol Depend ; 235: 109445, 2022 06 01.
Artículo en Inglés | MEDLINE | ID: mdl-35430522

RESUMEN

BACKGROUND: People with opioid use disorder (OUD) experience lower quality of life (QoL) than the general population, but buprenorphine treatment for OUD could help improve QoL of individuals with OUD. Thus, we conducted a systematic review and meta-analysis of the impact of buprenorphine on QoL among people with OUD. METHODS: Seven databases were searched through August 2020. We included English-language studies with pre- and post- QoL assessments internationally. Standardized mean differences were calculated for five domains of QoL measures using a random effects model for correlated effect sizes with robust variance estimation. Meta-regression was used to assess variation in effect sizes based on QoL domain, treatment, and patient factors. RESULTS: Twenty-one peer-reviewed studies from twelve countries were included. Only three studies included a no-treatment control group and five studies assigned groups using randomization. Improvements between baseline and follow-up were observed across all five domains of QoL measures (overall, physical, psychological, social, and environmental). The certainty of evidence was low for all domains of QoL, and very low for environmental QoL. We did not observe differences in the effect of buprenorphine on QoL by QoL domain, duration, dose, participant characteristics, or adjunctive counseling services. CONCLUSIONS: Buprenorphine treatment likely improves overall, physical, psychological, and social QoL, and may improve environmental QoL, for individuals with OUD. Findings are limited by study quality, including lack of control groups and incomplete reporting. Future studies with more rigorous methods and comprehensive reporting are needed.


Asunto(s)
Buprenorfina , Trastornos Relacionados con Opioides , Analgésicos Opioides/uso terapéutico , Buprenorfina/uso terapéutico , Cognición , Humanos , Tratamiento de Sustitución de Opiáceos/métodos , Trastornos Relacionados con Opioides/tratamiento farmacológico , Calidad de Vida
11.
Case Rep Infect Dis ; 2022: 5500365, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35345475

RESUMEN

Parvimonas micra (P. micra) and Fusobacterium necrophorum (F. necrophorum) are two pathogens known to cause odontogenic and oropharyngeal infections. It is exceedingly rare for these bacteria to cause coinfection and even systemic infection. There is limited literature on liver abscesses and bacteremia involving P. micra. Most cases are found in elderly patients with associated gastrointestinal malignancy (24%) or laryngeal pharynx malignancy (28%). However, a substantial portion of described cases were unable to identify a source (36%). A 36-year-old, otherwise healthy male presented for fevers and chills for 2 weeks. After testing negative for initial infectious workup, including COVID-19 multiple times, he was found to have multiple liver abscesses which grew P. micra and F. necrophorum. This case highlights a rare coinfection of hepatic abscesses in an otherwise healthy young immunocompetent adult with a solitary dental caries, resulting in septic shock.

13.
Chem Commun (Camb) ; 58(14): 2343-2346, 2022 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-35080216

RESUMEN

White-light emission in donor-acceptor systems usually requires relatively high acceptor content and/or multiple acceptors to "neutralize" the primary color of donors. Herein, a cyanostilbene-bridged ditopic ureidopyrimidinone donor (CSU) was designed and synthesized, which can self-assemble into dispersed nanoparticles in water. Fascinatingly, efficient white-light emission can be realized by co-assembling 0.1% DBT into the nanoparticles through a light-harvesting strategy. This new system is further demonstrated for use in white-light encryption materials.

14.
Child Maltreat ; 27(4): 671-682, 2022 11.
Artículo en Inglés | MEDLINE | ID: mdl-34730030

RESUMEN

Given the detrimental impact of substance use (SU) on both parent and child outcomes including child maltreatment, research and service efforts have focused on incorporating parenting resources into integrated SU treatment programs. While promising, it is imperative to examine and test parenting programs in a variety of settings. This study examined whether SU moderated the relationship between treatment condition and parenting outcomes among parents who participated in SafeCare, and parent ratings of engagement, service satisfaction, and perceived cultural competency of services. Results indicated that SU did not moderate the relationship between treatment condition and abuse potential, but did moderate this relationship for depression and parental distress such that parents with higher levels of SU reported less improvement in depression and parental distress. Results underscore that SU problems may impact the effectiveness of SC on specific risk factors, such as depression and parental distress, potentially indicating unique treatment needs and the need to adapt interventions to ensure treatment success. In addition, this study found that SafeCare was not found to be beneficial for parents with SU problems above and beyond the treatment as usual condition. Finally, results indicated that parents with SU concerns and without SU concerns engaged very similarly in SafeCare.


Asunto(s)
Maltrato a los Niños , Padres , Niño , Protección a la Infancia , Humanos , Responsabilidad Parental , Padres/educación , Factores de Riesgo
15.
Am J Prev Med ; 62(1): e45-e55, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34772564

RESUMEN

INTRODUCTION: Intimate partner violence and sexual violence are widespread and often occur early in life. This systematic review examines the effectiveness of interventions for primary prevention of intimate partner violence and sexual violence among youth. METHODS: Studies were identified from 2 previous systematic reviews and an updated search (January 2012-June 2016). Included studies were implemented among youth, conducted in high-income countries, and aimed to prevent or reduce the perpetration of intimate partner violence or sexual violence. In 2016-2017, Guide to Community Preventive Services (Community Guide) methods were used to assess effectiveness as determined by perpetration, victimization, or bystander action. When heterogeneity of outcomes prevented usual Community Guide methods, the team systematically applied criteria for favorability (statistically significant at p<0.05 or approaching significance at p<0.10) and consistency (75% of results in the same direction). RESULTS: A total of 28 studies (32 arms) met inclusion and quality of execution criteria. Interventions used combinations of teaching healthy relationship skills, promoting social norms to protect against violence, or creating protective environments. Overall, 18 of 24 study arms reported favorable results on the basis of the direction of effect for decreasing perpetration; however, favorability for bystander action diminished with longer follow-up. Interventions did not demonstrate consistent results for decreasing victimization. A bridge search conducted during Fall 2020 confirmed these results. DISCUSSION: Interventions for the primary prevention of intimate partner violence and sexual violence are effective in reducing perpetration. Increasing bystander action may require additional follow-up as effectiveness diminishes over time. Findings may inform researchers, school personnel, public health, and other decision makers about effective strategies to prevent intimate partner violence and sexual violence among youth.


Asunto(s)
Víctimas de Crimen , Violencia de Pareja , Delitos Sexuales , Adolescente , Humanos , Violencia de Pareja/prevención & control , Delitos Sexuales/prevención & control , Conducta Sexual , Parejas Sexuales
16.
J Fam Violence ; 37(5): 825-835, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-33173254

RESUMEN

Child maltreatment (CM) is a global public health problem. Evidence-based home visiting programs, such as SafeCare®, reduce CM risk, and enhance parent-child relationships and other protective factors. As the result of the COVID-19 pandemic and resulting restrictions, SafeCare Providers transitioned from home to virtual delivery for the SafeCare curriculum. The purpose of this study is to 1) examine active SafeCare Providers' opinions on the feasibility and effectiveness of SafeCare via remote delivery, and 2) better understand workforce concerns for human service professionals within the context of COVID-19 mitigation efforts. Data are from a cross-sectional survey of SafeCare Providers (N = 303) in the United States, Canada, and Australia. The majority of Providers reported they were actively delivering SafeCare virtually and were comfortable with the delivery format. Providers indicated that the majority of SafeCare families are making progress on target skills, and that engagement is high among many families. Some service delivery challenges were reported, ranging from family data plan limitations to difficulty with delivery of specific components of the SafeCare curriculum related to modeling and assessment. The impact of COVID-19 on Providers' daily routines, stress level, and work-life balance has been significant. Remote, virtual delivery of CM prevention programming offers the opportunity to continue serving vulnerable families in the midst of a pandemic. Barriers related to family technology and data access must be addressed to ensure reach and the effective delivery of prevention programming during the pandemic and beyond.

17.
Nat Mater ; 21(1): 103-109, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34819661

RESUMEN

Supramolecular polymer networks are non-covalently crosslinked soft materials that exhibit unique mechanical features such as self-healing, high toughness and stretchability. Previous studies have focused on optimizing such properties using fast-dissociative crosslinks (that is, for an aqueous system, dissociation rate constant kd > 10 s-1). Herein, we describe non-covalent crosslinkers with slow, tuneable dissociation kinetics (kd < 1 s-1) that enable high compressibility to supramolecular polymer networks. The resultant glass-like supramolecular networks have compressive strengths up to 100 MPa with no fracture, even when compressed at 93% strain over 12 cycles of compression and relaxation. Notably, these networks show a fast, room-temperature self-recovery (< 120 s), which may be useful for the design of high-performance soft materials. Retarding the dissociation kinetics of non-covalent crosslinks through structural control enables access of such glass-like supramolecular materials, holding substantial promise in applications including soft robotics, tissue engineering and wearable bioelectronics.


Asunto(s)
Matriz Extracelular , Polímeros , Hidrogeles/química , Polímeros/química , Ingeniería de Tejidos , Agua
18.
Infant Ment Health J ; 43(1): 143-158, 2022 01.
Artículo en Inglés | MEDLINE | ID: mdl-34969151

RESUMEN

The COVID-19 pandemic has affected many child maltreatment risk factors and may have affected maltreatment among vulnerable families. We surveyed 258 certified providers of an evidence-based home visiting program, SafeCare, about their perception of the impact of the pandemic on the families they serve. We examined if the providers perceived an overall change in child maltreatment and family violence risk among the families with young children they served and factors that may have contributed to changes. Regressions estimated the relationship between providers' assessment of families' ability to social distance, emotional struggles, and access to public resources/services with providers' perception of child maltreatment and family violence risk in the home. Findings indicate that 87% of providers believed maltreatment risk had increased during the pandemic. Providers serving families who were unable to social distance due to employment were more likely to report increased supervisory neglect and material neglect among the families they serve. Providers reporting that families were struggling with elevated frustration levels also reported more family conflict and material neglect among the families they serve. Results from this research can inform strategic decision-making for policies and programs that address the challenges low-income families with young children face in emergency situations.


La pandemia del COVID-19 ha afectado muchos factores de riesgo de maltrato del niño y pudiera haber afectado el maltrato en familias vulnerables. Les preguntamos en una encuesta a 258 proveedores certificados de un programa de visitas a casa con base en la evidencia, SafeCare®, acerca de sus percepciones del impacto de la pandemia en las familias a quienes les ofrecían el servicio. Examinamos si los proveedores percibían un cambio general en el maltrato del niño y el riesgo de violencia familiar en familias con niños pequeños a las que les servían y los factores que pudieran haber contribuido a los cambios. Las regresiones calcularon la relación entre la evaluación de los proveedores acerca de la habilidad de la familia para mantener la distancia social física, los problemas emocionales, así como el acceso a recursos y servicios públicos, con la percepción de los proveedores acerca del maltrato infantil y el riesgo de violencia familiar en la casa. Los resultados indican que el 87 por ciento de los proveedores creía que el riesgo de maltrato había aumentado durante la pandemia. Aquellos proveedores que les servían a familias que no podían mantener la distancia social física debido al empleo, estuvieron más propensas a reportar el aumento en la negligencia de supervisión y la negación de material en las familias a quienes les servían. Los proveedores que reportaron que las familias estaban luchando con elevados niveles de frustración también reportaron más conflicto familiar y negación de material en las familias a las que les servían. Los resultados de esta investigación pueden apoyar la toma de decisiones estratégica para políticas y programas que se enfoquen en los retos que enfrentan las familias de bajos recursos con niños pequeños en situaciones de emergencia.


La pandémie du COVID-19 a affecté bien des facteurs de risque de la maltraitance de l'enfant et peut avoir affecté la maltraitance chez les familles vulnérables. Nous avons questionné 258 prestataires certifiés d'un programme de visite à domicile fondé sur des données probantes, SafeCare®, sur leur perception de l'impact de la pandémie sur les familles qu'ils servent. Nous avons examiné si les prestataires ont perçu un changement général de la maltraitance de l'enfant et dans le risque de violence familiale au sein des familles avec les jeunes enfants qu'ils servaient et les facteurs qui ont pu contribuer à ces changements. Des régressions ont estimé la relation entre l'évaluation qu'ont fait les prestataires de la capacité des familles à assurer la distanciation sociale, des difficutés émotionnelles et de l'accès aux resources/services publiques avec la perception des prestataires de la maltraitance de l'enfant et du risque de violence familiale à la maison. Les résultats indiquent que 87 pourcent des prestataires pensaient que le risque de maltraitance avait augmenté durant la pandémie. Les prestataires servant les familles qui ne pouvaient pas assurer la distanciation sociale à cause de leur emploi étaient plus à même de faire état d'une négligence acrue de la supervision et de négligence matérielle chez les familles qu'ils servent. Les prestataires indiquant que les familles faisaient face à des difficultés avec des niveaux de frustration élevés ont aussi fait état de plus de conflit familial et de néglicence matérielle chez les familles qu'ils servent. Les résultats de ces recherches peuvent aider les prises de décision stratégiques pour les politiques et les programmes qui répondent aux défis des familles défavorisées avec de jeunes enfants dans des situations d'urgence.


Asunto(s)
COVID-19 , Maltrato a los Niños , Violencia Doméstica , Telemedicina , Niño , Preescolar , Visita Domiciliaria , Humanos , Pandemias , SARS-CoV-2
19.
J Subst Abuse Treat ; 135: 108654, 2022 04.
Artículo en Inglés | MEDLINE | ID: mdl-34742608

RESUMEN

INTRODUCTION: Although existing research suggests drug courts reduce recidivism and substance use, a large portion of drug court participants do not graduate. According to a conceptual framework, severity of need and program intensity may help to explain variation in drug court effectiveness. Understanding variation in drug court graduation can help to identify high risk participants and effective programmatic elements. METHODS: Our sample included 247 drug court participants from an adult felony-level drug court located in a large metropolitan area of the southeastern United States that either graduated (n = 113) or were terminated (n = 134) from the program. We used participant and program characteristics from drug court program records to predict drug court graduation. RESULTS: In bivariate analyses, several participant and program characteristics were significantly associated with drug court graduation. In the final multivariate model, only one participant-level characteristic was significantly related to graduation: emotional/personal risk and needs (aOR: 0.56, 95% CI: 0.33, 0.93). Alternatively, three program characteristics remained statistically significant predictors of drug court graduation in the final multivariate model. Receiving more individual counseling sessions was positively associated with drug court graduation (aOR: 1.27, 95% CI: 1.14, 1.41), while jail and monetary fine sanctions were negatively associated with drug court graduation (aOR jail: 0.45, 95% CI: 0.30, 0.68; aOR fine: 0.28, 95% CI: 0.10, 0.78). CONCLUSIONS: Our findings suggest that drug court programs may benefit by tailoring services for individuals with high emotional/personal risk and participants who receive certain types of sanctions. More rigorous research should explore the causal relationship between individual counseling and drug court graduation to determine if wide-scale programmatic changes are warranted.


Asunto(s)
Reincidencia , Trastornos Relacionados con Sustancias , Adulto , Consejo , Crimen , Humanos , Sudeste de Estados Unidos , Trastornos Relacionados con Sustancias/psicología
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