Publications by authors named "Whitfield D"

Article Synopsis
  • One million individuals in England and Wales face sexual violence annually, with only about 30,000 accessing supportive services through sexual assault referral centres.* -
  • The study evaluated care pathways for survivors through a series of sub-studies, including interviews with service providers and survivors, and highlighted the effectiveness of psychosocial interventions for mental health issues like PTSD and depression.* -
  • Findings suggested that while sexual assault referral centres provide high-quality care, certain groups, such as those facing domestic abuse and some ethnic minorities, are underrepresented, emphasizing the need for better inter-agency collaboration and support.*
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Background: Artificial intelligence (AI) has transformative potential to support prehospital clinicians, emergency physicians, and trauma surgeons in acute traumatic injury care. This scoping review examines the literature evaluating AI models using prehospital features to support early traumatic injury care.

Methods: We conducted a systematic search in August 2023 of PubMed, Embase, and Web of Science.

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This retrospective descriptive study sought to explore the lived experiences of Black mothers with HIV navigating HIV medical care while parenting dependent children. Six themes were generated from the semi-structured interviews conducted with mothers ( N = 9) related to motherhood, interactions with health care systems and providers, coping, social support, HIV self-management, and HIV prevention. Findings suggested that supportive interpersonal relationships with HIV health care providers, HIV nondisclosure to family and friends, and social network support, inclusive of health care providers, were protective factors in achieving optimal treatment adherence and viral suppression.

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Introduction: Behavioral health emergencies (BHEs) are a common patient encounter for emergency medical services (EMS) clinicians and other first responders, in particular law enforcement (LE) officers. It is critical for EMS clinicians to have management strategies for BHEs, yet relatively little information exists on best practices. In 2016, the Los Angeles County EMS Agency's Commission initiated a comprehensive evaluation of the 9-1-1 response for BHEs and developed a plan for improving the quality of care and safety for patients and first responders.

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Background: Black men who have sex with men (MSM) experience disproportionately high HIV incidence globally. A comprehensive, intersectional approach (race, gender, and sexuality or sexual behavior) in understanding the experiences of Black MSM in Canada along the HIV prevention and care continuums has yet to be explored.

Objective: This scoping review aims to examine the available evidence on the access, quality, gaps, facilitators, and barriers of engagement and identify interventions relevant to the HIV prevention and care continuum for Black MSM in Canada.

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Methodology development in carbohydrate chemistry entails the stereoselective formation of C-O bonds as a key step in the synthesis of oligo- and polysaccharides. The anomeric selectivity of a glycosylation reaction is affected by a multitude of parameters, such as the nature of the donor and acceptor, activator/promotor system, temperature and solvent. The influence of different solvents on the stereoselective outcome of glycosylation reactions employing thioglucopyranosides as glycosyl donors with a non-participating protecting group at position 2 has been studied.

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Purpose: Our goal was to demonstrate that lymphatic drainage fluid (lymph) has improved sensitivity in quantifying postoperative minimal residual disease (MRD) in locally advanced human papillomavirus (HPV)-associated oropharyngeal squamous cell carcinoma (OPSCC) compared with plasma, and leverage this novel biofluid for patient risk stratification.

Experimental Design: We prospectively collected lymph samples from neck drains of 106 patients with HPV (+) OPSCC, along with 67 matched plasma samples, 24 hours after surgery. PCR and next-generation sequencing were used to quantify cancer-associated cell-free HPV (cf-HPV) and tumor-informed variants in lymph and plasma.

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Background: Lesbian, gay, bisexual, transgender, and queer (LGBTQ+) individuals experience a disproportionately higher prevalence of mental health challenges when compared to their heterosexual and cisgender counterparts. Moreover, they exhibit increased engagement with social media platforms relative to their peers. Understanding the intersectional dynamics of their identities is crucial in elucidating effective and safe approaches to garnering social support through social media channels.

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Background: Transgender and gender non-binary (TNB) youth living in the USA report elevated levels of substance use compared with their cisgender counterparts, with previous literature pointing to minority stressors as some of the factors that could facilitate such elevated levels. Yet, substance use and misuse prevalence and associated modifiable factors among TNB youth are not fully known. The current paper details the protocol for a systematic review aimed at (1) identifying substance use and misuse prevalence among TNB youth (ages <25) and related demographic disparities (based on racial, ethnic and gender identity, and sexual orientation), (2) examining factors associated with substance use and misuse among TNB youth and (3) examining protective factors against substance use and misuse among TNB youth.

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Introduction: Black gay and bisexual men are overburdened by HIV in the USA. While the socioecological model has been applied to understand potential mechanisms of HIV acquisition among black gay and bisexual men, there is mixed evidence on the impact of internalised stigma on HIV risk among this population. This systematic review protocol paper outlines the systematic review being conducted to determine the relationship between internalised racism, internalised homophobia and engagement in sexual behaviour, which puts individuals at risk for HIV infection.

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Little research exists on victimization for gender and sexual minority adolescents (GSMA) of color. This study identifies differences in past year rates across six victimization types for GSMA by ethnoracial identification. Descriptive analyses were conducted on 1,177 GSMA (14-19 years old), with victimization types stratified by ethnoracial identification and multiple logit regression was used to identify differences.

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Background: Allegheny County Pennsylvania has the second highest HIV prevalence in the state. In the county, racial and ethnic minorities are disproportionately impacted by HIV.

Methods: In responses to HIV epidemic in the Allegheny County, AIDS Free Pittsburgh was created with the goals of reducing new HIV infections by 75% and declaring Allegheny County AIDS free (no new AIDS cases) by 2020.

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Birds of prey frequently feature in reintroductions and the hacking technique is typically used. Hacking involves removing large nestlings from donor populations, transferring them to captivity, feeding them ad libitum. Potentially, via the hacking method, the stress of captivity and disruption of parental feeding may be detrimental.

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Autonomy support is a concept that is derived from self-determination theory. Autonomy refers to the freedom to act as one chooses. The current study aimed to examine if autonomy support was associated with dried blood spot validated pre-exposure prophylaxis (PrEP) adherence, and whether the association was mediated by PrEP adherence goal setting and progress toward PrEP adherence goals.

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Limited studies have examined the associations between child sexual abuse (CSA) and depression among Black sexual minority men (SMM) in the Southeastern United States (US). As, such, the current study examined the critical gap in understanding the impact of CSA on Black SMM's mental health. Specifically, we tested the associations between contextual CSA factors and depression among a large population-based sample of Black SMM living in two cities in the Southern US.

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Article Synopsis
  • The paper discusses the development of C4, a theory-driven strategy designed to enhance PrEP (pre-exposure prophylaxis) use among Black men who have sex with men (MSM) by addressing cultural and systemic barriers to HIV prevention.
  • C4 combines self-determination theory with comprehensive risk counseling and an anti-racism perspective, showing promising results in a study with 225 participants across three US cities from 2014-2017, where PrEP use reached 79% and retention was at 92%.
  • The findings suggest that C4 effectively supports both individual motivations and the healthcare environments that service Black MSM, making it a valuable model for public health policy aimed at improving PrEP uptake and retention while promoting
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Black, lesbian, gay, bisexual, and transgender (LGBT), individuals experience higher rates of violent victimization compared to their cisgender heterosexual counterparts over their life course. Among Black LGBT people, witnessing and experiencing violence have been related to poor health outcomes, including depression, risky sexual behavior, substance use, and lower engagement in healthcare services. We engaged in research to better understand the effects of violence experienced by the Black LGBT youth community.

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Healthcare providers who use controlling or coercive strategies may compel short-term enactment of HIV and sexually transmitted infection prevention behaviors but may inadvertently undermine their client's motivation to maintain those behaviors in the absence of external pressure. Autonomous motivation refers to the self-emanating and self-determined drive for engaging in health behaviors. It is associated with long-term maintenance of health behaviors.

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At the end of year 2018, it was estimated that in the United States over 1 million people were living with HIV. Although Black/African American individuals comprise an estimated 13.4% of the US population, as of 2019, they represented an estimated 42% of all new HIV diagnoses in 2018.

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Objectives: Hyperglycemia is associated with poor outcomes in critically-ill patients. This has implications for prognostication of patients with out-of-hospital cardiac arrest (OHCA) and for post-resuscitation care. We assessed the association of hyperglycemia, on field point-of-care (POC) testing, with survival and neurologic outcome in patients with return of spontaneous circulation (ROSC) after OHCA.

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Background: Black men who have sex with men (MSM) experience disproportionate rates of HIV infection in the USA, despite being no more likely to engage in sexual risk behaviors than other MSM racial/ethnic groups. HIV pre-exposure prophylaxis (PrEP) has been shown to reduce risk of HIV acquisition; however, rates of PrEP use among Black MSM remain low. Clinical, psychosocial, and structural factors have been shown to impact PrEP use and adherence among Black MSM.

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