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1.
Alzheimers Dement (N Y) ; 10(3): e12490, 2024.
Article in English | MEDLINE | ID: mdl-38988416

ABSTRACT

INTRODUCTION: The "A/T/N" (amyloid/tau/neurodegeneration) framework provides a biological basis for Alzheimer's disease (AD) diagnosis and can encompass additional changes such as inflammation ("I"). A spectrum of T/N/I imaging and plasma biomarkers was acquired in a phase 2 clinical trial of rasagiline in mild to moderate AD patients. We evaluated these to understand biomarker distributions and relationships within this population. METHODS: Plasma biomarkers of pTau-181, neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), other inflammation-related proteins, imaging measures including fluorodeoxyglucose (FDG) positron emission tomography (PET), flortaucipir PET, and volumetric magnetic resonance imaging (MRI), and cognitive endpoints were analyzed to assess characteristics and relationships for the overall population (N = 47 at baseline and N = 21 for longitudinal cognitive comparisons) and within age-decade subgroups (57-69, 70-79, 80-90 years). RESULTS: Data demonstrate wide clinical and biomarker heterogeneity in this population influenced by age and sex. Plasma pTau-181 and GFAP correlate with tau PET, most strongly in left inferior temporal cortex (p = 0.0002, p = 0.0006, respectively). In regions beyond temporal cortex, tau PET uptake decreased with age for the same pTau-181 or GFAP concentrations. FDG PET and brain volumes correlate with tau PET in numerous regions (such as inferior temporal: p = 0.0007, p = 0.00001, respectively). NfL, GFAP, and all imaging modalities correlate with baseline MMSE; subsequent MMSE decline is predicted by baseline parahippocampal and lateral temporal tau PET (p = 0.0007) and volume (p = 0.0006). Lateral temporal FDG PET (p = 0.006) and volume (p = 0.0001) are most strongly associated with subsequent ADAS-cog decline. NfL correlates with FDG PET and baseline MMSE but not tau PET. Inflammation biomarkers are intercorrelated but correlated with other biomarkers in only the youngest group. DISCUSSION: Associations between plasma biomarkers, imaging biomarkers, and cognitive status observed in this study provide insight into relationships among biological processes in mild to moderate AD. Findings show the potential to characterize AD patients regarding likely tau pathology, neurodegeneration, prospective clinical decline, and the importance of covariates such as age. Highlights: Plasma pTau-181 and GFAP correlated with regional and global tau PET in mild to moderate AD.NfL correlated with FDG PET and cognitive endpoints but not plasma pTau-181 or tau PET.Volume and FDG PET showed strong relationships to tau PET, one another, and cognitive status.Temporal volumes most strongly predicted decline in both MMSE and ADAS-cog.Volume and plasma biomarkers can enrich for elevated tau PET with age a significant covariate.

2.
Am J Vet Res ; 84(12)2023 Dec 01.
Article in English | MEDLINE | ID: mdl-38041944

ABSTRACT

OBJECTIVE: To understand the comparative concerns and perceptions of veterinary and medical health professionals regarding antimicrobial resistance (AMR) and its effects on their clinical practices. SAMPLE: 17 Doctors of medicine and veterinary medicine and 1 nurse practitioner were interviewed to collect qualitative-based data regarding their clinical experience with AMR. METHODS: The interviews from the health professionals were transcribed and thematically coded to reveal 3 overarching themes and 7 corresponding subthemes. RESULTS: Both veterinary and human medical health professionals share concerns about antimicrobial resistance, specifically regarding the development of "superbugs" and increased difficulty in treating disease. However, there were some unique differences in the clinical effects of AMR between the professions in relation to client demand and satisfaction, ability to track/test trends, and approaches to therapy. Both professions also discussed the possible one-health implications of AMR and its transmission. CLINICAL RELEVANCE: There are several barriers to veterinarians that prevent them from using best-practice methods with antimicrobials that were not shared with human medical personnel, who can use antibiotic stewardship principles and readily access necessary testing. However, many veterinarians possessed a unique one-health-based understanding of how antimicrobial resistance can affect the wider community across species and globally that many human medical professionals had not previously considered. This demonstrates an increased need for one-health understanding within human medical professionals and a need for veterinarians to have access to necessary tools to comply with stewardship guidelines, such as culture and sensitivity testing and antibiograms, to have the ability to limit their contribution to antibiotic resistance.


Subject(s)
Anti-Infective Agents , Veterinarians , Humans , Animals , Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/therapeutic use , Drug Resistance, Bacterial , Health Personnel , Anti-Infective Agents/therapeutic use
3.
Sci Rep ; 13(1): 16958, 2023 10 08.
Article in English | MEDLINE | ID: mdl-37806978

ABSTRACT

Although HIV pre-exposure prophylaxis (PrEP) effectively and safely prevents HIV among adolescents, uptake of PrEP is low. Adolescents must have primary care providers (PCPs) prescribe them PrEP, making PCPs critical actors in PrEP delivery. However, research has primarily investigated determinants of PCPs' intention to prescribe adolescents PrEP rather than the determinants of performing the behavior itself. We examined the demographic, clinical practice, and implementation determinants of PCPs previously prescribing PrEP to adolescents. PCPs were recruited from a national Qualtrics panel of licensed medical providers in the United States from July 15-August 19, 2022. The Theoretical Domains Framework informed the implementation determinants measured. A multivariable logistic regression was used. PCPs who were more knowledgeable of the CDC guidelines (aOR 2.97, 95% CI 2.16-4.10), who were assigned male at birth (aOR 1.64, 95% CI 1.03-2.59), and who practiced in the Western region (aOR 1.85, 95% CI 1.04-3.30) had greater odds of prior prescribing adolescents PrEP. Provider-based educational interventions should be designed, implemented, and tested to encourage PCPs to prescribe PrEP to eligible adolescents.


Subject(s)
Anti-HIV Agents , HIV Infections , Pneumonia, Pneumocystis , Pre-Exposure Prophylaxis , Infant, Newborn , Male , Humans , United States , Adolescent , HIV Infections/prevention & control , HIV Infections/drug therapy , Surveys and Questionnaires , Anti-HIV Agents/therapeutic use , Practice Patterns, Physicians' , Health Knowledge, Attitudes, Practice , Pneumonia, Pneumocystis/drug therapy , Primary Health Care
4.
AIDS Patient Care STDS ; 37(8): 379-393, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37566536

ABSTRACT

Primary care providers (PCPs) are critical in prescribing human immunodeficiency virus (HIV) pre-exposure prophylaxis (PrEP) to adolescents at risk of HIV. More research is needed to identify facilitators and barriers PCPs encounter in prescribing PrEP to eligible adolescents post-Food and Drug Administration (FDA) approval. This online cross-sectional survey examined the PrEP implementation facilitators and barriers among a national sample of PCPs in the United States. PCPs (n = 502) specializing in family medicine or pediatrics were recruited from a Qualtrics panel from July 15 to August 9, 2022. We analyzed the collected data using content analysis and applied the Expert Recommendations for Implementing Change (ERIC) to codebook creation and data analysis. We conducted a Fisher's exact chi-square test of independence to compare facilitator and barrier prevalence differences between participants who had and had not prescribed PrEP to an adolescent patient. Results demonstrate that (1) distributing prescriber-focused educational materials, (2) involving parents, (3) changing liability laws, (4) enhancing adolescent PrEP uptake and adherence, (5) changing clinical resources, and (6) using mass/social media to change community norms might be strategies that influence PCPs prescribing PrEP to eligible adolescent patients. Results from this study could facilitate the planning of hybrid implementation-effectiveness trials designed to determine the acceptability, feasibility, and effectiveness of implementation strategies in improving the practices of PCPs prescribing PrEP to at-risk adolescents.

5.
Prev Med Rep ; 35: 102339, 2023 Oct.
Article in English | MEDLINE | ID: mdl-37576841

ABSTRACT

Few studies have examined the role adverse childhood experiences (ACEs) have on specific diet patterns. This study assessed the association between ACEs and daily fruit and vegetable intake (FVI). Data were derived from the 2019 Behavioral Risk Factor Surveillance System (BRFSS) which surveys 50 states and three U.S. territories. Participants who completed the ACEs module were included in the analyses (N = 106,967). Total ACEs included the summed responses from the domains of abuse, household challenges, and neglect. FVI was reported by number of times consumed per day. The two fruit items included fruit (fresh, frozen, and canned) and fruit juice. The four vegetable items included leafy greens, fried potatoes, non-fried potatoes, and other vegetables. All fruit and vegetable items were analyzed separately to see which specific items drove the relationship between total ACEs and total FVI, equaling a total of 8 regression models. Every model controlled for poor mental health days, sex, age, ethnicity, income, body mass index, and physical activity. Total ACEs were positively associated with daily intake of fried potatoes (ß = 0.008, p =.025), other potatoes (ß = 0.008, p =.049), and other vegetables (ß = 0.024, p <.001). Total ACEs were negatively associated with daily intake of fruit (ß = -0.016, p <.001). ACEs had non-significant relationships with leafy greens and fruit juice. Findings suggests that those with increased ACEs scores report increased consumption of fried potatoes, non-fried potatoes, and other vegetables, and less of fruit. Findings highlight the need for understanding food context and preparation when analyzing the relationship between ACEs and diet intake.

7.
J Adolesc Health ; 73(4): 625-631, 2023 10.
Article in English | MEDLINE | ID: mdl-37031089

ABSTRACT

PURPOSE: Parents' attitudes toward contraceptive delivery methods have been shown to impact their adolescents' use of contraceptive methods. However, little is known about the HIV pre-exposure prophylaxis (PrEP) delivery method attitudes of parents of sexual and gender minority (SGM) adolescents assigned male at birth (AMAB). This exploratory, mixed-method formative study examined the PrEP delivery method preferences among a convenience sample of 33 parents of SGM adolescents AMAB who live in Texas. METHODS: Participants completed an online survey, where they selected their preferred PrEP method for their SGM adolescent AMAB to use: PrEP as a daily oral pill, a bimonthly injectable, or a yearly implant. Parents answered an open-ended question about their reasons for choosing their preferred method. We analyzed data through descriptive statistics and inductive content analysis. RESULTS: Findings from this convenience sample suggest that there is not one PrEP delivery method that parents of SGM adolescents AMAB prefer: one third of parents (33.3%) selected PrEP as a daily oral pill, 45.5% selected PrEP as a bimonthly injectable, and 21.2% selected PrEP as an annual implant. Parents cited multiple reasons for selecting a delivery method over another, with the most prevalent reasons being adherence (57.6%), access or cost (21.2%), and generic convenience or ease (21.2%). DISCUSSION: Findings from this formative exploratory study sets the stage for future research and intervention development in increasing parental knowledge, preferences, and preference motivations for PrEP delivery methods.


Subject(s)
Anti-HIV Agents , HIV Infections , Pre-Exposure Prophylaxis , Sexual and Gender Minorities , Infant, Newborn , Humans , Male , Adolescent , HIV Infections/prevention & control , Sexual Behavior , Patient Acceptance of Health Care , Pre-Exposure Prophylaxis/methods , Parents , Homosexuality, Male , Anti-HIV Agents/therapeutic use
8.
J Adolesc Health ; 73(1): 181-189, 2023 07.
Article in English | MEDLINE | ID: mdl-37031092

ABSTRACT

PURPOSE: In the United States, adolescents (those 13-18 years old) are a key age group of those at risk for and affected by HIV. Although HIV pre-exposure prophylaxis (PrEP), one promising HIV prevention tool, is approved for eligible adolescents to use, adolescent access to PrEP is limited by primary care providers' (PCPs) willingness to prescribe it. This study examined which Theoretical Domains Framework factors are associated with PCPs' intention to prescribe PrEP to sexually active adolescents. METHODS: A total of 770 licensed PCPs practicing family medicine, internal medicine, or pediatrics in the United States completed an online cross-sectional questionnaire. Participants were recruited through a Qualtrics panel. We used a hierarchical regression to assess the association of demographic characteristics, sexual health care practices, and the 10 Theoretical Domains Framework factors with intention to prescribe PrEP to sexually active adolescents aged 13-18 years old. RESULTS: Although nearly all PCPs had heard about PrEP (90.9%), 30.6% ever prescribed PrEP to an adolescent. Intention to prescribe PrEP to sexually active adolescents was associated with seven out of the 10 Theoretical Domains Framework factors: knowledge, skills, professional role, belief capacity, belief consequence, environmental resource, social influence, and emotion. DISCUSSION: Our findings demonstrate that the Theoretical Domains Framework can be employed to understand the intrapersonal, interpersonal, and environmental factors associated with PCPs' intention to prescribe sexually active adolescents PrEP. Implementation strategies are needed to implement interventions that improve provider knowledge, attitudes, and skills related to prescribing PrEP to eligible adolescents.


Subject(s)
Anti-HIV Agents , HIV Infections , Pre-Exposure Prophylaxis , Humans , Adolescent , United States , Child , HIV Infections/drug therapy , Intention , Cross-Sectional Studies , Attitude of Health Personnel , Practice Patterns, Physicians' , Anti-HIV Agents/therapeutic use , Health Knowledge, Attitudes, Practice , Surveys and Questionnaires , Primary Health Care
9.
Alzheimers Dement (N Y) ; 9(1): e12372, 2023.
Article in English | MEDLINE | ID: mdl-36873926

ABSTRACT

Background: The positron emission tomography (PET) radiotracer [18F]MK-6240 exhibits high specificity for neurofibrillary tangles (NFTs) of tau protein in Alzheimer's disease (AD), high sensitivity to medial temporal and neocortical NFTs, and low within-brain background. Objectives were to develop and validate a reproducible, clinically relevant visual read method supporting [18F]MK-6240 use to identify and stage AD subjects versus non-AD and controls. Methods: Five expert readers used their own methods to assess 30 scans of mixed diagnosis (47% cognitively normal, 23% mild cognitive impairment, 20% AD, 10% traumatic brain injury) and provided input regarding regional and global positivity, features influencing assessment, confidence, practicality, and clinical relevance. Inter-reader agreement and concordance with quantitative values were evaluated to confirm that regions could be read reliably. Guided by input regarding clinical applicability and practicality, read classifications were defined. The readers read the scans using the new classifications, establishing by majority agreement a gold standard read for those scans. Two naïve readers were trained and read the 30-scan set, providing initial validation. Inter-rater agreement was further tested by two trained independent readers in 131 scans. One of these readers used the same method to read a full, diverse database of 1842 scans; relationships between read classification, clinical diagnosis, and amyloid status as available were assessed. Results: Four visual read classifications were determined: no uptake, medial temporal lobe (MTL) only, MTL and neocortical uptake, and uptake outside MTL. Inter-rater kappas were 1.0 for the naïve readers gold standard scans read and 0.98 for the independent readers 131-scan read. All scans in the full database could be classified; classification frequencies were concordant with NFT histopathology literature. Discussion: This four-class [18F]MK-6240 visual read method captures the presence of medial temporal signal, neocortical expansion associated with disease progression, and atypical distributions that may reflect different phenotypes. The method demonstrates excellent trainability, reproducibility, and clinical relevance supporting clinical use. Highlights: A visual read method has been developed for [18F]MK-6240 tau positron emission tomography.The method is readily trainable and reproducible, with inter-rater kappas of 0.98.The read method has been applied to a diverse set of 1842 [18F]MK-6240 scans.All scans from a spectrum of disease states and acquisitions could be classified.Read classifications are consistent with histopathological neurofibrillary tangle staging literature.

10.
Am J Prev Med ; 65(1): 30-38, 2023 07.
Article in English | MEDLINE | ID: mdl-36870786

ABSTRACT

INTRODUCTION: This study investigated the intersectionality of adverse childhood experiences (ACEs) among subgroups of sex, race/ethnicity, and sexual orientation. METHODS: Using data from the Behavioral Risk Factor Surveillance Survey across 34 states (N=116,712) from 2009 to 2018, authors stratified subgroups of sex (male/female), race/ethnicity (White/Hispanic/Black/multiracial/other), and sexual orientation (heterosexual/bisexual/gay) to investigate the number of ACEs across groups. Analyses were conducted in 2022. RESULTS: Stratification resulted in 30 distinct subgroups (e.g., bisexual Black females, straight multiracial males) with significant post hoc differences per group. Generally, those identifying as sexual minority individuals had the highest number of ACEs (the top 14 of 30 subgroups), whereas seven of the top ten subgroups were female. Surprisingly, no clear patterns emerged by race/ethnicity, although the two largest groups (straight White females and straight White males) were 27th and 28th of 30, respectively. CONCLUSIONS: Although studies have examined ACEs by individual demographic variables, less is known about the extent to which ACEs are present in stratified subgroups. Sexual minority subgroups (particularly female bisexual subgroups) trend toward a higher number of ACEs, whereas heterosexual subgroups (regardless of sex) comprised the lowest 6 groups with respect to ACEs. Implications include further examination of bisexual and female subgroups (including specific ACE domain investigations) to identify the vulnerable population.


Subject(s)
Adverse Childhood Experiences , Ethnicity , Sexual and Gender Minorities , Female , Humans , Male , Heterosexuality , Hispanic or Latino , Intersectional Framework , Sexual Behavior , United States
11.
AIDS Educ Prev ; 35(1): 85-99, 2023 02.
Article in English | MEDLINE | ID: mdl-36735230

ABSTRACT

Although parents of sexual and gender minority (SGM) adolescents are key stakeholders in SGM adolescents using HIV pre-exposure prophylaxis (PrEP), there is limited understanding of parental concerns and attitudes about their SGM adolescents taking PrEP. Fifty-four parents in the West South Central region of the U.S. completed an online, mixed-method, cross-sectional questionnaire to explore their concerns and questions about PrEP. Quantitative and qualitative results show that participants were more concerned about side effects, drug interactions, (non)adherence, and eligibility and duration of PrEP. Parents are less worried about picking PrEP from a pharmacy or returning to follow-up lab testing every three months. Most parents reported receiving medication information their adolescent takes from a medical provider and the media. Findings from this study can inform the development of parent-based PrEP interventions. Without further parent-based research and programming, SGM adolescents may continue to be disproportionately affected by HIV.


Subject(s)
Anti-HIV Agents , HIV Infections , Pre-Exposure Prophylaxis , Sexual and Gender Minorities , Humans , Adolescent , Male , Pre-Exposure Prophylaxis/methods , Cross-Sectional Studies , HIV Infections/prevention & control , Parents , Anti-HIV Agents/therapeutic use , Homosexuality, Male
12.
LGBT Health ; 10(5): 401-407, 2023 07.
Article in English | MEDLINE | ID: mdl-36735618

ABSTRACT

Purpose: This study examined the consumption of, attitudes toward, and preferences for mpox media among U.S. sexual and gender minority (SGM) people assigned male at birth (AMAB). Methods: A total of 496 SGM people AMAB completed an online cross-sectional survey between August 6 and 15, 2022. Data were analyzed with descriptive statistics and logistic regressions. Results: Approximately two-thirds of participants overall agreed that media-related content about mpox targeted (66.3%) and stigmatized gay, bisexual, and other men who have sex with men (69.2%). The three most preferred mpox content were the destigmatization of SGM people (44.2%), mpox vaccine accessibility (25.2%), and mpox transmission and prevention (19.2%). Rural participants had a lower likelihood of consuming mpox-related media than urban participants. Conclusion: SGM people AMAB prefer mpox messaging campaigns to be grounded in stigma-reduction to ensure that messages do not perpetrate stigma against them. Stigmatizing content might foster SGM people AMAB to distrust mpox interventions.


Subject(s)
Mpox (monkeypox) , Sexual and Gender Minorities , Infant, Newborn , Humans , Male , United States , Homosexuality, Male , Cross-Sectional Studies , Sexual Behavior , Gender Identity , Attitude
13.
AIDS Care ; 35(1): 48-52, 2023 01.
Article in English | MEDLINE | ID: mdl-34612112

ABSTRACT

HIV service providers are the primary implementers of HIV care services, but rural HIV service providers are under researched. We used an interpretative phenomenological analysis to explore rural HIV service providers' lived experiences of working in HIV care, who work in a rural region of a Midwestern state in the United States. From July to August 2019, 15 HIV service providers participated in a one-hour semi-structured telephone interview that elicited their experiences working in the rural HIV care continuum. Participants were tired of constantly educating and working to reduce HIV stigma; however, they received support from family and friends once they educated them about HIV. Participants felt they lacked control over systems and they developed emotional-based coping to address constant occupational stressors. Findings highlight the importance of resiliency and advocacy research and practice across ecological levels.


Subject(s)
HIV Infections , Humans , United States , Social Workers , Adaptation, Psychological
14.
J Rural Health ; 39(2): 508-515, 2023 03.
Article in English | MEDLINE | ID: mdl-36394371

ABSTRACT

PURPOSE: An outbreak of the monkeypox virus has been documented in the United States with most cases occurring among gay, bisexual, and other men who have sex with men (MSM). As monkeypox cases increase among relatively rural states, current public health messaging may not resonate with rural at-risk populations. Given this, there is a need to assess potential rural-urban differences in monkeypox behaviors and attitudes among MSM. METHODS: A total of 582 eligible MSM completed an online cross-sectional survey between August 6 and 15, 2022. Participants answered questions about their demographics, sexual behaviors, monkeypox testing and vaccination behaviors, monkeypox media consumption and attitudes, and their intention and attitudes found in the Health Belief Model of getting the monkeypox vaccine. Rural-urban differences in behaviors and attitudes were assessed with a chi-square test of independence. Differences in intention to get vaccinated and Health Belief Model factors were assessed with a Mann-Whitney U test. FINDINGS: Rural MSM, in comparison to their urban counterparts, were found to be less likely to report modifying their behaviors to decrease monkeypox exposure, being susceptible to monkeypox, or perceiving severe consequences acquiring monkeypox. Similarly, rural MSM had a lower intention to get vaccinated for monkeypox. CONCLUSIONS: As vaccination uptake among rural populations for vaccine-preventable diseases remains suboptimal, results from this novel study can inform the development of monkeypox prevention, testing, and vaccination messaging campaigns geared toward rural MSM and other at-risk populations. It will be important to ensure that monkeypox prevention, testing, and vaccination interventions are available and accessible in rural areas.


Subject(s)
HIV Infections , Mpox (monkeypox) , Sexual and Gender Minorities , Male , Humans , United States , Homosexuality, Male , HIV Infections/epidemiology , Rural Population , Cross-Sectional Studies
15.
Article in English | MEDLINE | ID: mdl-36225538

ABSTRACT

Background: Over the past four decades, advances in HIV treatment have contributed to a longer life expectancy for people living with HIV (PLWH). With these gains, the prevention and management of chronic co-morbidities, such as diabetes, are now central medical care goals for this population. In the United States, food insecurity disproportionately impacts PLWH and may play a role in the development of insulin resistance through direct and indirect pathways. The Nutrition to Optimize, Understand, and Restore Insulin Sensitivity in HIV for Oklahoma (NOURISH-OK) will use a novel, multi-level, integrated framework to explore how food insecurity contributes to insulin resistance among PLWH. Specifically, it will explore how food insecurity may operate as an intermediary risk factor for insulin resistance, including potential linkages between upstream determinants of health and downstream consequences of poor diet, other behavioral risk factors, and chronic inflammation. Methods/design: This paper summarizes the protocol for the first aim of the NOURISH-OK study, which involves purposeful cross-sectional sampling of PLWH (n=500) across four levels of food insecurity to test our conceptual framework. Developed in collaboration with community stakeholders, this initial phase involves the collection of anthropometrics, fasting blood samples, non-blood biomarkers, 24-hour food recall to estimate the Dietary Inflammatory Index (DII®) score, and survey data. A 1-month, prospective observational sub-study (total n=100; n=25 for each food security group) involves weekly 24-hour food recalls and stool samples to identify temporal associations between food insecurity, diet, and gut microbiome composition. Using structural equation modeling, we will explore how upstream risk factors, including early life events, current discrimination, and community food access, may influence food insecurity and its potential downstream impacts, including diet, other lifestyle risk behaviors, and chronic inflammation, with insulin resistance as the ultimate outcome variable. Findings from these analyses of observational data will inform the subsequent study aims, which involve qualitative exploration of significant pathways, followed by development and testing of a low-DII® food as medicine intervention to reverse insulin resistance among PLWH (ClinicalTrials.gov Identifier: NCT05208671). Discussion: The NOURISH-OK study will address important research gaps to inform the development of food as medicine interventions to support healthy aging for PLWH.

17.
One Health ; 15: 100418, 2022 Dec.
Article in English | MEDLINE | ID: mdl-35910301

ABSTRACT

COVID-19 vaccination uptake is disproportionately lower among rural, politically conservative, and underserved individuals in the United States. Engaging this population requires leveraging unique potential human health advocates, like veterinarians. Between September and October 2021, 103 veterinarians responded to open-ended prompts to assess providers' willingness and potential barriers to discussing COVID-19 vaccination within a veterinary visit. Veterinarians perceived they had a public health role in providing reliable and accurate COVID-19 information, including information related to approved vaccines. However, veterinary practitioners were aware of numerous potential barriers to having such discussions within a clinical visit (e.g., scope of practice concerns, shifting focus away from the animal, politicization of vaccination). Findings indicate policy efforts, aligned with the One Health initiative, are needed to address the role of veterinary medicine in human health care following catastrophic events, like the COVID-19 pandemic. Similarly, veterinarians require tailored vaccine materials that can be utilized within the clinic or community setting.

18.
Alzheimers Dement (N Y) ; 8(1): e12325, 2022.
Article in English | MEDLINE | ID: mdl-35846158

ABSTRACT

Introduction: Amyloid measurement provides important confirmation of pathology for Alzheimer's disease (AD) clinical trials. However, many amyloid positive (Am+) early-stage subjects do not worsen clinically during a clinical trial, and a neurodegenerative measure predictive of decline could provide critical information. Studies have shown correspondence between perfusion measured by early amyloid frames post-tracer injection and fluorodeoxyglucose (FDG) positron emission tomography (PET), but with limitations in sensitivity. Multivariate machine learning approaches may offer a more sensitive means for detection of disease related changes as we have demonstrated with FDG. Methods: Using summed dynamic florbetapir image frames acquired during the first 6 minutes post-injection for 107 Alzheimer's Disease Neuroimaging Initiative subjects, we applied optimized machine learning to develop and test image classifiers aimed at measuring AD progression. Early frame amyloid (EFA) classification was compared to that of an independently developed FDG PET AD progression classifier by scoring the FDG scans of the same subjects at the same time point. Score distributions and correlation with clinical endpoints were compared to those obtained from FDG. Region of interest measures were compared between EFA and FDG to further understand discrimination performance. Results: The EFA classifier produced a primary pattern similar to that of the FDG classifier whose expression correlated highly with the FDG pattern (R-squared 0.71), discriminated cognitively normal (NL) amyloid negative (Am-) subjects from all Am+ groups, and that correlated in Am+ subjects with Mini-Mental State Examination, Clinical Dementia Rating Sum of Boxes, and Alzheimer's Disease Assessment Scale-13-item Cognitive subscale (R = 0.59, 0.63, 0.73) and with subsequent 24-month changes in these measures (R = 0.67, 0.73, 0.50). Discussion: Our results support the ability to use EFA with a multivariate machine learning-derived classifier to obtain a sensitive measure of AD-related loss in neuronal function that correlates with FDG PET in preclinical and early prodromal stages as well as in late mild cognitive impairment and dementia. Highlights: The summed initial post-injection minutes of florbetapir positron emission tomography  correlate with fluorodeoxyglucose.A machine learning classifier enabled sensitive detection of early prodromal Alzheimer's disease.Early frame amyloid (EFA) classifier scores correlate with subsequent change in Mini-Mental State Examination, Clinical Dementia Rating Sum of Boxes, and Alzheimer's Disease Assessment Scale-13-item Cognitive subscale.EFA classifier effect sizes and clinical prediction outperformed region of interest standardized uptake value ratio.EFA classification may aid in stratifying patients to assess treatment effect.

19.
Child Abuse Negl ; 129: 105686, 2022 07.
Article in English | MEDLINE | ID: mdl-35662683

ABSTRACT

BACKGROUND: Adverse childhood experiences (ACEs) research has yielded important information regarding ACEs prevalence and impacts; however, few studies have included American Indian/Alaska Native (AI/AN) populations. OBJECTIVE: We aimed to update and expand the ACEs literature by using recent data (2009-2018; over 50% from 2015 to 2017); using a large, nationally representative sample (total N = 166,606) and AI/AN sub-sample (N = 3369); and including additional covariates (i.e., sex, age, income, education) to provide a comprehensive understanding of ACEs across diverse populations. PARTICIPANTS AND SETTING: Data were from the CDC's BRFSS, a standardized scale used in most ACEs literature, to improve generalizability of study findings, which may contribute to investigating future ACEs trends. METHODS: Descriptive statistics and negative binomial regression analyses were conducted to examine the frequency of ACEs and the eight ACEs domains across racial/ethnic and sex groups. RESULTS: AI/ANs had the highest ACEs compared to all racial/ethnic groups. Females had higher mean ACEs compared to males of the same racial/ethnic group; significant differences were identified between non-Hispanic White (NHW) females and NHW males, and between Hispanic females and Hispanic males. Across all 10 stratified subgroups, AI/AN females had the highest average ACEs followed by AI/AN males. Emotional abuse was the most reported ACEs domain across all individuals, and family incarceration was the lowest. AI/AN females and males had the highest ACEs frequencies in family substance use, witnessing intimate partner violence, and sexual and emotional abuse. CONCLUSIONS: Findings have important implications for public health intervention and prevention efforts that may mitigate the impact of ACEs across racial/ethnic groups, particularly for AI/AN populations.


Subject(s)
Adverse Childhood Experiences , Behavioral Risk Factor Surveillance System , Ethnicity , Female , Humans , Male , Racial Groups , Sexual Behavior
20.
Rural Remote Health ; 22(2): 7128, 2022 06.
Article in English | MEDLINE | ID: mdl-35658522

ABSTRACT

INTRODUCTION: COVID-19 vaccination is widely recommended as a prevention strategy; however, vaccine uptake is disproportionately lower among rural Americans compared to their urban counterparts. Development of public health activities to address the rural-urban vaccine gap requires an understanding of determinants of vaccine hesitation. The present study explores perceptions of and barriers to COVID-19 vaccination among rural Oklahomans. METHODS: Between March and May 2021, 222 residents, unvaccinated for COVID-19, within rural Oklahoma counties completed a cross-sectional, online questionnaire to qualitatively assess perceptions, benefits, and concerns regarding getting vaccinated for COVID-19. RESULTS: Approximately two-fifths of rural respondents in the present study were hesitant to get vaccinated, even when a vaccine was made available to them. Major factors included limited knowledge and understanding about the vaccine, including potential side-effects and long-term complications, as well as skepticism surrounding COVID-19 vaccine development and efficacy. Among the potential perceived benefits of vaccination were protecting the health of vulnerable individuals and the ability to return to normal day-to-day activities. CONCLUSION: Increases in COVID-19 cases and deaths in rural areas are expected to continue as new variants are introduced within communities. The present findings highlight the need for the development of culturally tailored vaccine information, to be disseminated by local leaders within rural communities.


Subject(s)
COVID-19 , Vaccines , COVID-19/prevention & control , COVID-19 Vaccines , Cross-Sectional Studies , Humans , Rural Population , SARS-CoV-2 , Vaccination , Vaccination Hesitancy
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