Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 191
Filtrar
Más filtros

Bases de datos
Tipo del documento
Intervalo de año de publicación
1.
Artículo en Inglés | MEDLINE | ID: mdl-38349606

RESUMEN

Adverse life events are associated with greater internalizing symptoms. However, prior research has identified cross-cultural variation in whether and to what extent factors amplify or buffer the impact of these stressors. Broadly defined as the tendency to focus on past, present, or future events, temporal orientation is a dispositional factor that is culturally influenced and may explain variance in internalizing symptoms following adverse events. Cultural congruence, or the degree to which a factor is considered normative in an individual's culture, may be an important explanation of variation in levels of risk. The current study examines how culturally congruent temporal orientation differentially impacts the relation between adverse life events and internalizing symptoms in a longitudinal sample of 10th and 11th grade Vietnamese American (n = 372) and European American adolescents (n = 304). Results indicated that Vietnamese American adolescents endorsed significantly higher levels of past and present, but not future, temporal orientation compared to European American adolescents. Among both Vietnamese and European American adolescents, past temporal orientation was positively associated with internalizing symptoms and adverse life events. Findings also demonstrated that the influence of present temporal orientation on the relation between adverse life events and internalizing symptoms was further moderated by ethnicity, such that present temporal orientation buffered risk for negative outcomes among European Americans but not Vietnamese Americans. These data highlight the importance of measuring and testing specific dimensions of culturally relevant processes when considering responses to adverse life events.

2.
J Clin Microbiol ; 61(3): e0135322, 2023 03 23.
Artículo en Inglés | MEDLINE | ID: mdl-36853008

RESUMEN

Accurate mold identification by matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) is dependent on robust organism representation in available databases. The Mass Spectrometry Identification (MSI) platform has proven successful for mold identification in clinical and veterinary settings but has yet to be studied with a large set of environmental isolates. Here, we performed a retrospective study using spectra collected by the Bruker MALDI Biotyper (MBT) v4.1 microflex LT instrument to evaluate the MSI-2 database alongside the combined use of the Bruker MBT (including the MBT Filamentous Fungi Library) and the National Institutes of Health (NIH) mold database (MBT/NIH databases). Analysis was performed for 462 environmental fungal isolates (representing 73 different fungi) cultured from the hospital pharmacy and cellular therapy suites as part of the current good manufacturing practices (cGMP) environmental monitoring program at the NIH. When used alone, MSI-2 identified 237 spectra (51.3%) at its higher score threshold (index A), while the MBT/NIH databases identified only 183 spectra (39.6%; P < 0.001) at the equivalent threshold of ≥2.0. The combination of all three databases at the respective high thresholds improved identification sensitivity to 327 spectra (70.8%). The combination of MSI-2 with the MBT/NIH databases at a lowered threshold (index B or ≥1.7, respectively) identified 400/462 environmental spectra (86.6%). Our results show that the MSI-2 database, in combination with existing databases, may be useful for environmental surveillance, particularly by clinical or industry laboratories involved in cGMP or current good tissue practices (cGTP) applications, such as cellular therapy manufacturing facilities and sterile compounding pharmacies.


Asunto(s)
Hongos , Humanos , Espectrometría de Masa por Láser de Matriz Asistida de Ionización Desorción/métodos , Estudios Retrospectivos , Bases de Datos Factuales
3.
J Clin Microbiol ; 61(3): e0165422, 2023 03 23.
Artículo en Inglés | MEDLINE | ID: mdl-36847535

RESUMEN

Over the last two decades, rapid technological advances have led to the wide adoption of cell and gene therapy products for the treatment of a variety of disease states. In this study, we reviewed the literature between 2003 and 2021 to provide a summary of overarching trends associated with microbial contamination in hematopoietic stem cells (HSCs) derived from peripheral blood, bone marrow, and cord blood. We provide a brief background on the regulatory context for human cells, tissues, and cellular and tissue-based products (HCT/Ps) as regulated by the US Food and Drug Administration (FDA), sterility testing expectations for autologous (Section 361) and allogeneic (Section 351) HSC products, and discuss clinical risks associated with the infusion of a contaminated HSC product. Finally, we discuss the expectations for current good tissue practices (cGTP) and current good manufacturing practices (cGMP) for the manufacturing and testing of HSC based on Section 361 and Section 351 categorization, respectively. We provide commentary on what is practiced in the field and discuss the critical need for updates to professional standards that keep pace with advancing technologies with an aim to clarify expectations for manufacturing and testing facilities to improve standardization across institutions.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Infertilidad , Humanos , Células Madre Hematopoyéticas , Médula Ósea
4.
J Clin Microbiol ; 61(2): e0149822, 2023 02 22.
Artículo en Inglés | MEDLINE | ID: mdl-36688643

RESUMEN

Testing of cellular therapy products for Mycoplasma is a regulatory requirement by the United States Food and Drug Administration (FDA) to ensure the sterility and safety of the product prior to release for patient infusion. The risk of Mycoplasma contamination in cell culture is high. Gold standard testing follows USP 63 which requires a 28-day agar and broth cultivation method that is impractical for short shelf-life biologics. Several commercial molecular platforms have been marketed for faster raw material and product release testing; however, little performance data are available in the literature. In this study, we performed a proof-of-principle analysis to evaluate the performance of five commercial molecular assays, including the MycoSEQ Mycoplasma detection kit (Life Technologies), the MycoTOOL Mycoplasma real-time detection kit (Roche), the VenorGEM qOneStep kit (Minerva Biolabs), the ATCC universal Mycoplasma detection kit, and the Biofire Mycoplasma assay (bioMérieux Industry) using 10 cultured Mollicutes spp., with each at four log-fold dilutions (1,000 CFU/mL to 1 CFU/mL) in biological duplicates with three replicates per condition (n = 6) to assess limit of detection (LOD) and repeatability. Additional testing was performed in the presence of tumor infiltrating lymphocytes (TILs). Based on LOD alone, the Biofire Mycoplasma assay was most sensitive followed by the MycoSEQ and MycoTOOL which were comparable. We showed that not all assays were capable of meeting the ≤10 CFU/mL LOD to replace culture-based methods according to European and Japanese pharmacopeia standards. No assay interference was observed when testing in the presence of TILs.


Asunto(s)
Mycoplasma , Humanos , Límite de Detección , Técnicas de Cultivo de Célula , Estándares de Referencia , Tratamiento Basado en Trasplante de Células y Tejidos
5.
J Clin Microbiol ; 61(4): e0171222, 2023 04 20.
Artículo en Inglés | MEDLINE | ID: mdl-36912659

RESUMEN

The Streptococcus bovis group (previously group D streptococci) consists of seven distinct species and subspecies. Definitive identification within the group is important, as certain organisms have been associated with gastrointestinal carcinoma, bacteremia, infective endocarditis, meningitis, biliary tract disease, and carcinoma, among others. Definitive identification, however, remains elusive due to limitations and inconsistencies across commonly used identification platforms in the United States. Here, we compared the performance of standard biochemical (Trek Gram-positive identification [GPID] plate, Vitek 2 GPID), sequencing (16S rDNA, sodA) databases (NCBI, RDP, CDC MicrobeNet), and matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) platforms (Vitek MS, Bruker Biotyper MS) using a set of eight type strains representing all seven strains within the S. bovis group. Despite the evaluation of contemporary methods, no single platform was able to definitively identify all type strains within the S. bovis group. Vitek MS (85.7%, 7/8) provided the most accurate definitive identifications, followed by sodA sequencing (75%, 6/8). Vitek 2 and Bruker Biotyper RUO platforms performed the next best (62.5%, 5/8). All remaining platforms failed to adequately differentiate type strains within the S. bovis group (range, 0 to 37.5%). Laboratorians and clinicians should be aware of the identification limitations of routine testing algorithms and incorporate reflex testing, when appropriate, to platforms such as Vitek MS and/or sodA sequencing that are more able to definitively identify S. bovis group organisms. Further clinical evaluation was conducted using 65 clinical isolates from three geographically distinct U.S. institutions. Future improvements in identification platforms may reveal new clinical and epidemiological trends for members of the S. bovis group.


Asunto(s)
Bacteriemia , Endocarditis , Streptococcus bovis , Humanos , Streptococcus bovis/genética , Proteómica , Espectrometría de Masa por Láser de Matriz Asistida de Ionización Desorción/métodos
6.
J Clin Child Adolesc Psychol ; 52(4): 475-489, 2023 07 04.
Artículo en Inglés | MEDLINE | ID: mdl-34424121

RESUMEN

OBJECTIVE: This observational study characterizes youth and caregiver behaviors that may pose challenges to engagement within a system-driven implementation of multiple evidence-based practices (EBPs). We examined links between Engagement Challenges and therapist EBP implementation outcomes. METHOD: Community therapists (N = 102) provided audio recordings of EBP sessions (N = 666) for youth (N = 267; 71.54%, Latinx; 51.69%, female; Mage = 9.85, Range: 1-18). Observers rated the extent to which youth and/or caregivers engaged in the following behaviors: Caregiver and/or Youth Expressed Concerns about interventions, and Youth Disruptive Behaviors. Multilevel modeling was used to identify predictors of observable Engagement Challenges, and examine associations between Engagement Challenges, and therapist-reported ability to deliver planned activities, and observer-rated extensiveness of EBP strategy delivery. RESULTS: At least one Engagement Challenge was observed in 43.99% of sessions. Youth Engagement Challenges were not associated with outcomes. Caregiver Expressed Concerns were negatively associated with therapist-reported ability to carry out planned session activities (B = -.21, 95% CI[-.39-(-.02)], p < .05). However, Caregiver Expressed Concerns were positively associated with extensiveness of EBP Content strategy delivery (B = .08, 95% CI[.01-.15], p < .05). CONCLUSIONS: Results suggest that Youth Engagement Challenges have little observed impact on EBP delivery. In contrast, although therapists perceive that Caregiver Expressed Concerns derail their planned activities, Caregiver Expressed Concerns are associated with more extensive delivery of content about therapeutic interventions. Community therapists' implementation of EBPs appear unaffected by common youth in-session behavioral challenges, but future research is needed to clarify whether caregivers' concerns about interventions prompt, or are prompted by, more intensive therapist EBP content instruction.


Asunto(s)
Cuidadores , Práctica Clínica Basada en la Evidencia , Humanos , Niño , Adolescente , Femenino , Masculino , Práctica Clínica Basada en la Evidencia/métodos
7.
J Clin Child Adolesc Psychol ; 52(3): 360-375, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36448769

RESUMEN

OBJECTIVE: Youth psychiatric emergencies have increased at alarming rates, and disproportionately so for youth of color. Outpatient follow-up care is critical for positive youth outcomes, but rates of follow-up remain low, especially for racial/ethnic minoritized youth. Mobile crisis response can initiate care connection. The current study (1) describes the population who received mobile crisis response (MCR) within the nation's largest county public mental health system, (2) assesses rates of follow-up outpatient services after MCR, and (3) examines racial/ethnic disparities in outpatient services and correlates of receipt of therapy dose (≥8 sessions). METHOD: Administrative claims for MCR and outpatient services for youth ages 0 to 18 were abstracted from the Los Angeles County Department of Mental Health. RESULTS: From October 2016-2019, 20,782 youth received a MCR, 52.5% of youth were female, and youth mean age was 13.41 years. The majority of youth (91.8%) received some outpatient services after their first MCR. However, only 56.7% of youth received ≥1 therapy session. In a logistic regression, youth age, gender, race/ethnicity, primary language, primary diagnosis, insurance status, MCR call location, and MCR disposition significantly predicted receipt of ≥8 therapy sessions. CONCLUSIONS: Findings highlight disparities in therapy receipt for Asian American Pacific Islander, Black, and White youth (relative to Latinx youth), older youth, youth whose MCR was initiated from a police station call, and youth whose MCR did not result in hospitalization. We discuss priorities for quality improvement for MCR processes and strategies to promote linkage to care to achieve mental health equity.


Asunto(s)
Urgencias Médicas , Etnicidad , Humanos , Femenino , Adolescente , Masculino
8.
Adm Policy Ment Health ; 50(4): 673-684, 2023 07.
Artículo en Inglés | MEDLINE | ID: mdl-37145223

RESUMEN

Therapist self-efficacy in delivering evidence-based practices (EBPs) is associated with implementation outcomes, including adoption and sustainment in community mental health settings. Inner context organizational climate, including psychological safety, can proximally shape therapist learning experiences within EBP implementation. Psychologically safe environments are conducive to learning behaviors including taking risks, admitting mistakes, and seeking feedback. Organization leaders are instrumental in facilitating psychological safety, but may have differing perspectives of organizational climate than front-line therapists. Discrepant leader and therapist views of psychological safety may have independent associations with therapist EBP learning and implementation outcomes over and above average therapist perceptions of climate. This study examined survey data from 337 therapists and 123 leaders from 49 programs contracted to deliver multiple EBPs within a study examining determinants of sustainment within a large system-driven implementation. Both leaders and therapists completed measures of psychological safety climate and therapists reported on their self-efficacy in delivering multiple EBPs in children's mental health services. Polynomial regression and response surface analysis models were conducted to examine the associations of therapist and leader reports of psychological safety and therapist EBP self-efficacy. Greater discrepancies between leader and therapist reports of psychological safety, in either direction, were associated with lower therapist EBP self-efficacy. Alignment in leader and therapist views of psychological safety climate may impact EBP implementation outcomes. Strategies for improving alignment in perceptions and priorities among organizational members can be included in organizational implementation interventions and may represent unexamined implementation mechanisms of action.


Asunto(s)
Servicios de Salud Mental , Salud Mental , Niño , Humanos , Cultura Organizacional , Autoeficacia , Práctica Clínica Basada en la Evidencia
9.
Adm Policy Ment Health ; 50(1): 17-32, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-36289142

RESUMEN

PURPOSE: In the U.S., the percentage of youth in need of evidence-based mental health practices (EBPs) who receive them (i.e., coverage rate) is low. We know little about what influences coverage rates. In 2010, the Los Angeles County Department of Mental Health (LACDMH) launched a reimbursement-driven implementation of multiple EBPs in youth mental health care. This study examines two questions: (1) What was the coverage rate of EBPs delivered three years following initial implementation? (2) What factors are associated with the coverage rates? METHODS: To assess coverage rates of publicly insured youth, we used LACDMH administrative claims data from July 1, 2013 to June 30, 2014 and estimates of the size of the targeted eligible youth population from the 2014 American Community Survey (ACS). The unit of analysis was clinic service areas (n = 254). We used Geographic Information Systems and an OLS regression to assess community and clinic characteristics related to coverage. RESULTS: The county coverage rate was estimated at 17%, much higher than national estimates. The proportion of ethnic minorities, individuals who are foreign-born, adults with a college degree within a geographic area were negatively associated with clinic service area coverage rates. Having more therapists who speak a language other than English, providing care outside of clinics, and higher proportion of households without a car were associated with higher coverage rates. CONCLUSION: Heterogeneity in municipal mental health record type and availability makes it difficult to compare the LACDMH coverage rate with other efforts. However, the LACDMH initiative has higher coverage than published national rates. Having bilingual therapists and providing services outside the clinic was associated with higher coverage. Even with higher coverage, inequities persisted.


Asunto(s)
Servicios de Salud Mental , Adulto , Humanos , Niño , Adolescente , Salud Mental , Intervención Educativa Precoz , Necesidades y Demandas de Servicios de Salud , Instituciones de Atención Ambulatoria
10.
Int J Eat Disord ; 55(12): 1721-1732, 2022 12.
Artículo en Inglés | MEDLINE | ID: mdl-36165444

RESUMEN

OBJECTIVE: Comorbidity of disordered eating (DE) behaviors and nonsuicidal self-injury (NSSI) is linked to increased functional impairment. The present study identified subtypes of DE and NSSI comorbidity in a non-Western, low- and middle-income country where there has been particularly little research in this area. METHOD: Latent profile analyses (LPA) were conducted to identify patterns of subgroup comorbidity in self-reported DE behaviors and NSSI behaviors, in a sample of Vietnamese high-school students (N = 1451, 51% female). Parallel-process LPA was used to predict NSSI subgroup membership from DE subgroup membership. RESULTS: A seven-class LPA model was identified for DE: (1) Low frequencies of all DE behaviors; (2) Frequent levels of all DE behaviors; (3) Frequent fasting and purging behaviors; (4) Frequent binge eating only; (5) Moderate binge eating; (6) Moderate fasting and purging behaviors; (7) Exercise and fasting. A two-class (high versus low) model was identified for NSSI. Odds of membership in the high-NSSI class were significantly increased for all DE classes except the class characterized by moderate binge eating. Odds of belonging to the high-NSSI class were highest for those in DE classes involving purging behaviors. Males predominated in classes characterized by high behavior dysregulation. DISCUSSION: DE and NSSI represent important clinical concerns among Vietnamese youth in urban contexts, and males may show particular vulnerability for certain risk behaviors. The association of classes of DE behaviors to NSSI was particularly strong for classes that involved purging, highlighting the importance of this specific behavior for understanding comorbidity of DE and NSSI. PUBLIC SIGNIFICANCE: Disordered eating and nonsuicidal self-injury (NSSI; hurting oneself without intending to die) commonly co-occur. There has been less research on disordered eating and NSSI among individuals from non-Western or low/middle-income countries. We examined patterns of these behaviors in a school-based sample of Vietnamese adolescents. We found that patterns of disordered eating distinguished by purging showed particular links to NSSI, which could have implications for screening and treatment.


Asunto(s)
Trastornos de Alimentación y de la Ingestión de Alimentos , Conducta Autodestructiva , Femenino , Humanos , Adolescente , Masculino , Pueblos del Sudeste Asiático , Conducta Autodestructiva/epidemiología , Trastornos de Alimentación y de la Ingestión de Alimentos/epidemiología
11.
Artículo en Inglés | MEDLINE | ID: mdl-36315616

RESUMEN

OBJECTIVES: Racial/ethnic discrimination has been linked to behavioral and emotional problems in youth from marginalized groups. However, the psychological experience associated with discrimination may differ between immigrant and nonimmigrant youth. Race-based discrimination may impact an adolescent's view of their own group (private regard) and/or their sense of how others view their group (public regard). Owing to differences in racialization, immigrant adolescents may be affected differently by experiences of discrimination than their U.S.-born peers. The present study examined whether nativity moderated the paths from racial/ethnic discrimination to private and public regard to mental health problems among Vietnamese American youth. METHOD: Surveys were completed by 718 Vietnamese American 10th and 11th graders (Mage = 15.54 years, 61.4% female, 38.6% male). In this sample, 21.2% were first-generation (i.e., born outside of the United States) and 78.8% were second-generation (i.e., born in the United States with at least one parent born outside of the United States). RESULTS: Multigroup path analysis tested the direct and indirect effects of racial/ethnic discrimination on behavioral and emotional problems via private and public regard and whether associations differed for first- versus second-generation youth. Racial/ethnic discrimination was associated with lower public regard, but not private regard, for both first- and second-generation Vietnamese American youth. Public regard was negatively associated with behavioral and emotional problems only among second-generation youth. No indirect effects were significant. CONCLUSIONS: Findings suggest differences in racialized experiences, as well as opportunities to support second-generation Vietnamese American and other marginalized youth from immigrant families from the mental health impacts of discrimination. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

12.
Adm Policy Ment Health ; 49(2): 267-282, 2022 03.
Artículo en Inglés | MEDLINE | ID: mdl-34505211

RESUMEN

Although college campuses are diversifying rapidly, students of color remain an underserved and understudied group. Online screening and subsequent allocation to treatment represents a pathway to enhancing equity in college student mental health. The purpose of the current study was to evaluate racial/ethnic differences in mental health problems and treatment enrollment within the context of a largescale screening and treatment research initiative on a diverse college campus. The sample was comprised of n = 2090 college students who completed an online mental health screening survey and were offered either free online or face-to-face treatment based on symptom severity as a part of a research study. A series of ordinal, binomial and multinomial logistic regression models were specified to examine racial/ethnic differences in mental health problems, prior treatment receipt, and enrollment in online and face-to-face treatment through the campus-wide research initiative. Racial/ethnic differences in depression, anxiety and suicidality endorsed in the screening survey were identified. Students of color were less likely to have received prior mental health treatment compared to non-Hispanic white students, but were equally likely to enroll in and initiate online and face-to-face treatment offered through the current research initiative. Rates of enrollment in online therapy were comparable to prior studies. Online screening and treatment may be an effective avenue to reaching underserved students of color with mental health needs on college campuses. Digital mental health tools hold significant promise for bridging gaps in care, but efforts to improve uptake and engagement are needed.


Asunto(s)
Salud Mental , Estudiantes , Etnicidad , Humanos , Grupos Raciales , Universidades
13.
Adm Policy Ment Health ; 49(3): 506-520, 2022 05.
Artículo en Inglés | MEDLINE | ID: mdl-34837572

RESUMEN

The current study (1) characterizes patterns of mental health service utilization over 8 years among youth who received psychotherapy in the context of a community implementation of multiple evidence-based practices (EBPs), and (2) examined youth-, provider- and service-level predictors of service use patterns. Latent profile analyses were performed on 5,663,930 administrative claims data furnished by the county department of mental health. Multinomial logistic regression with Vermunt's method was used to examine predictors of care patterns. Based on frequency, course, cost, and type of services, three distinct patterns of care were identified: (1) Standard EBP Care (86.3%), (2) Less EBP Care (8.5%), and (3) Repeated/Chronic Care (5.2%). Youth age, ethnicity, primary language, primary diagnosis and secondary diagnosis, provider language and provider type, and caregiver involvement and service setting were significant predictors of utilization patterns. Although the majority of youth received care aligned with common child EBP protocols, a significant portion of youth (13.7%) received no evidence-based care or repeated, costly episodes of care. Findings highlight opportunities to improve and optimize services, particularly for youth who are adolescents or transition-aged, Asian-American/Pacific Islander, Spanish-speaking, or presenting with comorbidities.


Asunto(s)
Servicios de Salud Mental , Adolescente , Anciano , Cuidadores , Niño , Etnicidad , Práctica Clínica Basada en la Evidencia , Humanos , Psicoterapia
14.
N Engl J Med ; 379(26): 2529-2539, 2018 12 27.
Artículo en Inglés | MEDLINE | ID: mdl-30586509

RESUMEN

BACKGROUND: Plumbing systems are an infrequent but known reservoir for opportunistic microbial pathogens that can infect hospitalized patients. In 2016, a cluster of clinical sphingomonas infections prompted an investigation. METHODS: We performed whole-genome DNA sequencing on clinical isolates of multidrug-resistant Sphingomonas koreensis identified from 2006 through 2016 at the National Institutes of Health (NIH) Clinical Center. We cultured S. koreensis from the sinks in patient rooms and performed both whole-genome and shotgun metagenomic sequencing to identify a reservoir within the infrastructure of the hospital. These isolates were compared with clinical and environmental S. koreensis isolates obtained from other institutions. RESULTS: The investigation showed that two isolates of S. koreensis obtained from the six patients identified in the 2016 cluster were unrelated, but four isolates shared more than 99.92% genetic similarity and were resistant to multiple antibiotic agents. Retrospective analysis of banked clinical isolates of sphingomonas from the NIH Clinical Center revealed the intermittent recovery of a clonal strain over the past decade. Unique single-nucleotide variants identified in strains of S. koreensis elucidated the existence of a reservoir in the hospital plumbing. Clinical S. koreensis isolates from other facilities were genetically distinct from the NIH isolates. Hospital remediation strategies were guided by results of microbiologic culturing and fine-scale genomic analyses. CONCLUSIONS: This genomic and epidemiologic investigation suggests that S. koreensis is an opportunistic human pathogen that both persisted in the NIH Clinical Center infrastructure across time and space and caused health care-associated infections. (Funded by the NIH Intramural Research Programs.).


Asunto(s)
Infección Hospitalaria/microbiología , Reservorios de Enfermedades/microbiología , Infecciones por Bacterias Gramnegativas/microbiología , Ingeniería Sanitaria , Sphingomonas/genética , Antibacterianos/farmacología , Hospitales Federales , Humanos , Metagenómica , Pruebas de Sensibilidad Microbiana , National Institutes of Health (U.S.) , Estudios Retrospectivos , Sphingomonas/efectos de los fármacos , Sphingomonas/aislamiento & purificación , Estados Unidos , Abastecimiento de Agua , Secuenciación Completa del Genoma
15.
J Clin Microbiol ; 59(11): e0135721, 2021 10 19.
Artículo en Inglés | MEDLINE | ID: mdl-34406794

RESUMEN

The U.S. Food and Drug Administration (FDA) regulates manufacturing and testing of advanced therapeutic medicinal products (ATMPs) to ensure the safety of each product for human use. Gold-standard sterility testing (USP<71>) and alternative blood culture systems have major limitations for the detection of fungal contaminants. In this study, we evaluated the performance of iLYM (lactic acid-fermenting organisms, yeasts, and mold) medium (designed originally for the food and beverage industry) to assess its potential for use in the biopharmaceutical field for ATMP sterility testing. We conducted a parallel evaluation of four different test systems (USP<71>, BacT/Alert, Bactec, and Sabouraud dextrose agar [SDA] culture), three different bottle media formulations (iLYM, iFA Plus, and Myco/F Lytic), and two incubation temperatures (22.5°C and 32.5 to 35°C) using a diverse set of fungi (n = 51) isolated from NIH cleanroom environments and previous product contaminants. Additionally, we evaluated the effect of agitation versus delayed-entry static preincubation on test sensitivity and time to detection (TTD). Overall, delayed entry of bottles onto the BacT/Alert or Bactec instruments (with agitation) did not improve test performance. USP<71> and SDA culture continued to significantly outperform each automated culture condition alone. However, we show, for the first time, that a closed-system, dual-bottle combination of iLYM 22.5°C and iFA Plus 32.5°C can provide high fungal sensitivity, statistically comparable to USP<71>, when tested against a diverse range of environmental fungi. Our study fills a much-needed gap in biopharmaceutical testing and offers a favorable testing algorithm that maximizes bacterial and fungal test sensitivity while minimizing risk of product contamination associated with laboratory handling.


Asunto(s)
Bacterias , Hongos , Medios de Cultivo , Contaminación de Medicamentos , Hongos/genética , Terapia Genética , Humanos
16.
J Clin Microbiol ; 59(3)2021 02 18.
Artículo en Inglés | MEDLINE | ID: mdl-33262219

RESUMEN

We evaluated saliva (SAL) specimens for SARS-CoV-2 reverse transcriptase PCR (RT-PCR) testing by comparison of 459 prospectively paired nasopharyngeal (NP) or midturbinate (MT) swabs from 449 individuals with the aim of using saliva for asymptomatic screening. Samples were collected in a drive-through car line for symptomatic individuals (n = 380) and in the emergency department (ED) (n = 69). The percentages of positive and negative agreement of saliva compared to nasopharyngeal swab were 81.1% (95% confidence interval [CI], 65.8% to 90.5%) and 99.8% (95% CI, 98.7% to 100%), respectively. The percent positive agreement increased to 90.0% (95% CI, 74.4% to 96.5%) when considering only samples with moderate to high viral load (cycle threshold [CT ] for the NP, ≤34). Pools of five saliva specimens were also evaluated on three platforms, bioMérieux NucliSENS easyMAG with ABI 7500Fast (CDC assay), Hologic Panther Fusion, and Roche Cobas 6800. The average loss of signal upon pooling was 2 to 3 CT values across the platforms. The sensitivities of detecting a positive specimen in a pool compared with testing individually were 94%, 90%, and 94% for the CDC 2019-nCoV real-time RT-PCR, Panther Fusion SARS-CoV-2 assay, and Cobas SARS-CoV-2 test, respectively, with decreased sample detection trending with lower viral load. We conclude that although pooled saliva testing, as collected in this study, is not quite as sensitive as NP/MT testing, saliva testing is adequate to detect individuals with higher viral loads in an asymptomatic screening program, does not require swabs or viral transport medium for collection, and may help to improve voluntary screening compliance for those individuals averse to various forms of nasal collections.


Asunto(s)
Prueba de Ácido Nucleico para COVID-19/métodos , COVID-19/diagnóstico , Tamizaje Masivo/métodos , SARS-CoV-2/aislamiento & purificación , Saliva/virología , Humanos , Nasofaringe , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Manejo de Especímenes/métodos
17.
J Clin Child Adolesc Psychol ; 50(5): 565-578, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-31464533

RESUMEN

Objective: Recent research has documented cultural differences in the extent and manner in which various forms of emotion regulation are linked with psychological well-being. Most of these studies, however, have been cross-sectional, nor have they directly examined the values underlying the use of emotion regulation. The present study examined emotion restraint values and their interactions with life stress in predicting internalizing symptoms across time among Vietnamese American and European American adolescents. The study focused on adolescence as a critical developmental period during which life stress and internalizing symptoms increase significantly. Method: Vietnamese American (n = 372) and European American (n = 304) adolescents' levels of emotion restraint values, internalizing symptoms, and stress were assessed at two timepoints six months apart. Results: Results indicated differential associations between emotion restraint values, stress, and symptoms over time for the two groups. For Vietnamese American adolescents, emotion restraint values did not predict depressive, anxiety, or somatic symptoms. For European American adolescents, emotion restraint values predicted higher somatic symptoms but buffered against the effects of interpersonal stress on anxiety and depressive symptoms. Conclusions: These results provide increased understanding of the role of values related to emotion restraint in shaping adolescent internalizing symptoms and responses to stress across cultural groups. Implications of the findings for guiding intervention efforts are discussed.


Asunto(s)
Asiático , Emociones , Adolescente , Ansiedad , Estudios Transversales , Humanos , Estrés Psicológico , Estados Unidos
18.
Cultur Divers Ethnic Minor Psychol ; 27(3): 471-482, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-32391705

RESUMEN

OBJECTIVES: Examining therapists' experiences implementing evidence-based practices (EBPs) is fundamental to understanding how these interventions are perceived, adapted, and delivered in community settings. However, little is known about racial/ethnic variation in the experiences of therapists serving racial/ethnic minority youth and their families. Through an innovative QUAN → qual → QUAN mixed-methods approach, we examined differences in therapists' perceptions, adaptations performed, and client-engagement challenges in the largest county-operated department of mental health in the United States. METHOD: Surveys were completed by 743 therapists (Latinx [44%], White [34%], other ethnic minority [22%]), most of whom were female (88%), master's level (85%), and unlicensed (58%). A subset of therapists (n = 60) completed semistructured interviews. RESULTS: Latinx therapists reported more positive experiences implementing EBPs, making more adaptations to EBPs, and encountering fewer client-engagement challenges than therapists from other racial/ethnic groups. Qualitative analyses expanded on these results, revealing that Latinx therapists commonly described adapting EBPs in terms of language and culture to improve fit and promote client engagement. Informed by these qualitative themes, a refined statistical model revealed that the ability to deliver EBPs in languages other than English might have accounted for differences in therapist-reported EBP adaptations and client-engagement challenges. CONCLUSIONS: The findings suggest that racial/ethnic minority therapists have positive experiences in implementing EBPs in community settings. In the case of Latinx therapists, bilingual/bicultural competence may facilitate adapting EBPs in ways that reduce perceptions of engagement challenges with racially/ethnically diverse clients. (PsycInfo Database Record (c) 2021 APA, all rights reserved).


Asunto(s)
Etnicidad , Grupos Minoritarios , Adolescente , Práctica Clínica Basada en la Evidencia , Femenino , Humanos , Encuestas y Cuestionarios , Estados Unidos
19.
Prof Psychol Res Pr ; 52(1): 67-79, 2021 02.
Artículo en Inglés | MEDLINE | ID: mdl-34349341

RESUMEN

Initiatives to scale up evidence-based practices (EBPs) in routine care are likely to have myriad impacts on community providers, but these impacts have not yet been examined in depth. This is especially true within the context of simultaneous implementation of multiple evidence-based practices. The aim of this study was to characterize the multifaceted impacts on community mental health therapists within a system-driven implementation of multiple EBPs for youth and families. Semistructured interview and survey data were gathered from 60 therapists at 11 agencies contracted with the Los Angeles County Department of Mental Health to deliver EBPs within the Prevention and Early Intervention initiative. Therapists' accounts of impacts varied, and were either predominately negative, predominantly positive, or mixed-valence. Mixed-methods analyses using Kruskal-Wallis tests showed therapist valence groups varied on mean levels of self-reported burnout on surveys. Themes from qualitative data revealed several favorable (e.g., increased EBP knowledge, structure) and unfavorable (e.g., distress, feeling constrained by EBPs) impacts of county-contracted EBP implementation. These findings inform the development and implementation of future system-driven EBP initiatives that consider therapist perspective to optimize positive impacts and minimize negative impacts on therapists.

20.
Cogn Behav Pract ; 28(2): 147-166, 2021 May.
Artículo en Inglés | MEDLINE | ID: mdl-35422577

RESUMEN

Although research has identified effective evidence-based depression prevention interventions for diverse youth, little is known about how the intervention process unfolds with immigrant family youth. This study utilized a qualitative approach to explore cultural and clinical differences in the implementation of Interpersonal Psychotherapy-Adolescent Skills Training (IPT-AST) in two schools, one serving youth from primarily immigrant, Asian American families and the second, youth from mostly nonimmigrant, non-Hispanic White families. A total of 131 IPT-AST sessions were audio recorded, transcribed, and coded for presence and patterns of cultural and clinical constructs. Results revealed that sessions with immigrant family youth were more likely to contain discussions of interpersonal problems characterized by estrangement, goals of spending time together with important others, mentions of emotion suppression and academic achievement expectations, conversations about acculturation, differences in value orientation, and discomfort with implementing new intervention skills. Dialogue from interventionist and youth exchanges is presented to illustrate how these themes emerged and were addressed by interventionists in a culturally responsive manner. The study highlights how IPT-AST with immigrant family and Asian American youth may unfold differently compared to youth from nonimmigrant families. Implications of findings for providers are discussed.

SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA