Publications by authors named "Crosby S"

Minimally invasive neural interfaces can be used to diagnose, manage and treat many disorders, with reduced risks of surgical complications. However, endovascular probes lack access to key cortical, subcortical and spinal targets, and are not typically explantable after endothelialization. Here we report the development and testing, in sheep, of endocisternal neural interfaces that approach brain and spinal cord targets through inner and outer spaces filled with cerebrospinal fluid.

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Introduction: It is widely acknowledged that good hand hygiene (HH) is an important non-pharmaceutical method for reducing the transmission of infectious diseases. Children are at high risk of infection due to their immature immune systems. Hospital transmitted infections are a cause for concern worldwide, with poor HH suggested to be responsible for up to 20% of cases.

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Background: Metformin exerts anti-inflammatory properties through a positive effect on oxidative stress, gut barrier integrity, and the gut microbiota. Our aim was to evaluate the influence of metformin on inflammatory bowel disease (IBD) outcomes in patients with type 2 diabetes mellitus (T2DM).

Methods: We conducted a retrospective cohort study using the TriNetX database in patients with IBD and T2DM who initiated metformin vs oral hypoglycemics or insulin (control cohort) between August 31, 2002, and August 31, 2022.

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Cross-sectional studies have demonstrated associations between COVID news exposure, anxiety, and depression. However, longitudinal research examining the directionality of these associations is extremely limited. Further, most studies have focused on the general population and neglected sexual and gender minority individuals (SGM), a population disproportionately impacted by the pandemic.

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Introduction: Hepatitis B virus (HBV) vaccination is recommended in patients with inflammatory bowel disease (IBD). Although the 2-dose Heplisav-B vaccine has proven effective, more than 20% of patients with IBD do not seroconvert. We prospectively evaluated the effectiveness of a third Heplisav-B dose in patients with IBD lacking HBV immunity despite 2-dose vaccination.

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Traditional definitions of polypharmacy may largely not account for the market proliferation of herbal and dietary supplements, cannabis products, or incorporate the new science of pharmacogenomics (PGx). Polypharmacy is encountered by most pharmacists providing patient care in many settings. The "polypharmacist" can assist patients and providers with solving medication-related problems (MRPs) in this new and challenging environment of supplements and cannabis products by utilizing traditional pharmacology and pharmacokinetic principles, including PGx, broadly across many medical disciplines.

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Infectious diseases are a leading cause of death for children from low- and middle-income countries (LMICs), often due to inadequate hand-hygiene. This study evaluates culturally relevant educational resources as a vehicle to disseminate the importance of handwashing amongst children in India. Employing a participatory action research (PAR) model and mixed methods, this follow-up longitudinal study evaluates a set of innovate educational handwashing resources and workshops specifically co-created for use in the State of Gujarat, and how they aid teachers in the teaching of hand-hygiene over a 3 year period.

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Article Synopsis
  • A randomized phase 2 trial was conducted to evaluate the effectiveness of neoadjuvant immune checkpoint blockade (ICB) therapies (nivolumab and nivolumab/ipilimumab) in patients with resectable retroperitoneal DDLPS and extremity/truncal UPS.
  • The primary endpoint of pathologic response showed a median hyalinization of 8.8% in DDLPS and 89% in UPS, with secondary endpoints focusing on immune changes and survival rates over time.
  • Results indicated that lower pre-treatment regulatory T cell densities correlated with better pathological outcomes, and that neoadjuvant ICB led to significant immune changes and benefits, particularly in patients with UPS when combined with radiation therapy
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Medical students (NSB, NM, JDW) spearheaded revision of the policy and clinical practice for shackling incarcerated patients at Boston Medical Center (BMC), the largest safety net hospital in New England. In American hospitals, routine shackling of incarcerated patients with metal restraints is widespread-except for perinatal patients-regardless of consciousness, mobility, illness severity, or age. The modified policy includes individualized assessments and allows incarcerated patients to be unshackled if they meet defined criteria.

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Article Synopsis
  • Multi-centre trials are essential for evidence-based medicine, but starting them can be delayed due to lengthy ethics and governance approval processes, which this study aimed to investigate.
  • The study analyzed factors such as disease area, trial phase, site ownership, and specific ethics processes, using data from 150 activations across 91 sites and 16 trials in five countries over eight years.
  • Results showed that the overall median activation time was 234 days, with ethics and governance approvals averaging 48 and 34 days respectively; shorter approval times were linked to factors like disease area (notably oncology) and the use of scope guidelines and triage processes.
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There has been a trend in recent years toward individualized medicine. Pharmacogenomics (PGx) is the use of patient-specific genetic variations to guide medication selection and treatment. The primary objective was to characterize the population of referring department patients and identify the number of high-evidence, actionable phenotype (HEAP) genes in this referred population to help guide marketing efforts to the most applicable patient populations and departments.

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High dose ascorbic acid may increase risk of phenytoin toxicity. This case report demonstrates high phenytoin levels resulting in adverse drug reactions subsequent to dosing concomitantly with high dose vitamin C, or ascorbic acid (AA), as a precaution against acquiring corona virus (COVID) infection. This patient suffered from a major seizure when he ran out of his phenytoin prescription.

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Objective: Although there is a growing body of literature that discusses the etiology and impact of racial trauma, there are few evidence-based treatment modalities to support BIPOC individuals who have experienced race trauma. Furthermore, current clinicians are ill-equipped to navigate racial trauma symptoms in the therapy due to a dearth in training opportunities during their educational and professional careers. The current study addresses the dearth in racial trauma therapy training opportunities for clinicians through the implementation and evaluation of a training protocol based on the KNIFFLEY Racial Trauma Therapy Model (KRTTM) with community-based clinicians.

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Objectives: Sexual and gender minoritized people (SGM) of color experience stigma unique to their intersection of identities, such as racism from SGM and heterosexism from people of color (POC) in their same racial/ethnic group. SGM POC who experience enacted stigma, like microaggressions, have been found to have poorer mental health outcomes. SGM identity authenticity and connections to the SGM community have been associated with better mental health.

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Pharmacogenomics (PGx) can provide more precision in determining causation of adverse drug reactions (ADRs) from drug-drug-gene interaction clinical application. Patient was an intermediate CYP2C19 metabolizer on stable therapy taking a low but therapeutic dose of sertraline for depression and anxiety over a period of 20 years. The patient then became hyponatremic and cognitively impaired after addition of cannabidiol (CBD) to this sertraline regimen.

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Refugee patients benefit from interdisciplinary approaches that address trauma-related migration in culturally responsive ways. This qualitative evaluation assessed the interdisciplinary trauma-based course for refugee populations. The qualitative data comes from focus groups and surveys to evaluate medical, social work, and public health students' perceptions of the interprofessional education course of refugee patient care.

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On May 11, 2022, the National Park Service (NPS) Office of Public Health (OPH) and Coconino County Health and Human Services (CCHHS) in Flagstaff, Arizona contacted CDC about a rising number of acute gastroenteritis cases among backcountry visitors to Grand Canyon National Park (Grand Canyon). The agencies reviewed illness report forms, assessed infection prevention and control (IPC) practices, and distributed a detailed survey to river rafters and hikers with backcountry permits (backpackers) who visited the Grand Canyon backcountry. During April 1-June 17, a total of 191 rafters and 31 backpackers reported symptoms consistent with acute gastroenteritis.

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Context: Governments have attempted to increase clinical trial activity in their jurisdictions using a range of methods including targeted direct funding and industry tax rebates. The effectiveness of the different approaches employed is unclear.

Objective: To systematically review the effects of direct government financing interventions by allowing companies to reduce their tax payable on clinical trial activity.

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Pharmacogenomics (PGx) melds well with polypharmacy as another tool to identify medication related problems (MRPs) more specifically so they may be solved most effectively. PGx can pre-emptively assist in medication selection, medication dosing or identify better medications for patients already taking a medication. PGx can also confirm suspect medications of causing MRPs such as adverse drug reactions (ADRs) or drug interactions.

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Conversion disorder (CD) is a relatively common psychiatric disorder likely encountered by clinical pharmacists but probably not easily identified by pharmacists. This is a patient case where a patient with a tremor was referred to the pharmacist led, polypharmacy, pharmacogenomics (PGx) service to rule out a PGx cause due to medication metabolism. No pharmacologic or PGx cause was found for the tremor which helped support and confirm a diagnosis of CD.

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In 2019, synthetic cannabinoids accounted for more than one-third of new drugs of abuse worldwide; however, assessment of associated health risks is not ethical for controlled and often illegal substances, making CD-1 mouse exposure studies the gold standard. Interpretation of those findings then depends on the similarity of mouse and human metabolic pathways. Herein, we report the first comparative analysis of steady-state metabolism of -(1-adamantyl)-1-(5-pentyl)-1-indazole-3-carboxamide (5F-APINACA/5F-AKB48) in CD-1 mice and humans using hepatic microsomes.

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