Publications by authors named "POWELL R"

At standard doses, direct oral anticoagulants (DOACs) were associated with a reduced risk of systemic embolism and intracranial hemorrhage (ICH) when compared with warfarin, with a greater derived benefit at lower creatinine clearance (CrCl-down to 25 mL/min). Lower doses of DOACs were associated with increased overall mortality without a significant decrease in ICH and incident bleeding when compared with standard dose DOACs and warfarin, across all CrCl down to 25 mL/min..

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Dysuria, a feeling of pain or discomfort during urination, is often caused by urinary tract infection but can also be due to sexually transmitted infection, bladder irritants, skin lesions, and some chronic pain conditions. History is most often useful for finding signs of sexually transmitted infection, complicated infections, lower urinary symptoms in males, and noninfectious causes. Most patients presenting with dysuria should have a urinalysis performed.

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Objective: The Society for Vascular Surgery (SVS) partnered with Phairify, Inc, an organization with experience in physician compensation data compilation for several other medical specialties, to survey its membership and assess factors influencing vascular surgeon compensation.

Methods: The SVS Compensation Study Task Force developed a vascular surgery-specific survey between January 2023 and May 2023 including experience level, academic rank, bonuses, incentives, gender, race, ethnicity, geography, on-call pay, and other factors influencing overall reimbursement. After a soft launch on May 1, 2023, with an initial phase of SVS leadership engagement in completion, the survey was formally introduced to the SVS membership on June 14, 2023.

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Background: Chronic inflammation has been linked to many psychiatric disorders, and therefore, pertinent anti-inflammatory therapies have been empirically evaluated for management. An enduring example of long-term safety, attainability, and versatility has been pentoxifylline (PTX). PTX is a phosphodiesterase inhibitor that modulates inflammatory mediators and affects most blood components and the blood vessels.

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Background: Adults with ADHD benefit from treatment with extended-release (ER) formulations that provide symptom control for the entire day. Some patients are advised to supplement their extended-release medication with an immediate-release (IR) medication later in the day if they need to prolong its effects. Given that several FDA-approved ER formulations are available and many individual patient variables may affect efficacy, the purpose of this study was to identify reliable predictors of the tendency for patients to supplement their daily ER medication with an IR medication.

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Article Synopsis
  • Protein/protein interactions (PPI) are important for brain functions, but their use as drug targets for brain disorders is not fully explored.
  • A small molecule called compound 1028 has been identified that targets the FGF14/Na1.6 PPI and affects the channel's activity, resulting in increased excitability of neurons.
  • Administering compound 1028 can enhance motivation under challenging conditions, and its effects are linked to changes in dopamine levels in the brain, suggesting a new way to impact behaviors related to neuropsychiatric disorders.
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Immune checkpoint inhibitor-associated myocarditis is the most lethal side effect of immune checkpoint blockade. Myocarditis leads to persistently increased mortality and lacks effective treatments. The development of patient-relevant disease models may enable disease prediction, increased understanding of disease pathophysiology, and the development of effective treatment strategies.

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Most forms of clinical research examine a very minute cross section of the patient journey. Much of the knowledge and evidence base driving current genomic medicine practice entails blind spots arising from underrepresentation and lack of research participation in clinicogenomic databases. The flaws are perpetuated in AI models and clinical practice guidelines that reflect the lack of diversity in data being used.

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Alopecurus aequalis is a winter annual or short-lived perennial bunchgrass which has in recent years emerged as the dominant agricultural weed of barley and wheat in certain regions of China and Japan, causing significant yield losses. Its robust tillering capacity and high fecundity, combined with the development of both target and non-target-site resistance to herbicides means it is a formidable challenge to food security. Here we report on a chromosome-scale assembly of A.

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Background: is frequently mutated in the tumors of patients with metastatic colorectal cancer (mCRC) and thus represents a valid target for therapy. However, the strategies of targeting KRAS directly and targeting the downstream effector mitogen-activated protein kinase kinase (MEK) via monotherapies have shown limited efficacy. Thus, there is a strong need for novel, effective combination therapies to improve MEK-inhibitor efficacy in patients with -mutated mCRC.

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Adult type ovarian granulosa cell tumors (AGCTs) are rare malignancies with the near universal c.C402G (p.Cys134Trp) somatic mutation in FOXL2, a Forkhead box-family transcription factor important for ovarian function.

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Introduction: The WALKSTRONG trial includes a programme of community walking and home-based circuit training which has been developed for people with intermittent claudication (IC). The aim of the present study was to determine the acceptability of the programme for those who took part, by gleaning their opinions and experiences.

Methods: All participants eligible for the WALKSTRONG trial were approached regarding completing a semi-structured interview, selected from three groups: A) programme completers, B) programme withdrawers and C) programme decliners.

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Background: The use of surveillance technologies is becoming increasingly common in inpatient mental health settings, commonly justified as efforts to improve safety and cost-effectiveness. However, their use has been questioned in light of limited research conducted and the sensitivities, ethical concerns and potential harms of surveillance. This systematic review aims to (1) map how surveillance technologies have been employed in inpatient mental health settings, (2) explore how they are experienced by patients, staff and carers and (3) examine evidence regarding their impact.

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Molluscum contagiosum (MC) virus is a poxvirus that infects epidermal keratinocytes producing cutaneous nodules with characteristic intracytoplasmic inclusions. Intradermal nevus is a benign lesion that typically presents as clusters of melanocytes within the dermal layer of skin. Although both MC and melanocytic nevus are common lesions, MC arising within a melanocytic nevus is a rare event with only a few cases published in the literature.

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Spatial repellents may protect personnel in delimited areas from incursion of vector or nuisance Diptera, such as mosquitoes and sand flies. We investigated the efficacy of resin diffusers impregnated with transfluthrin in protecting 2 simulated military field scenarios (partially opened tents and open bivouacs lacking shelter) from natural populations of Culex species mosquitoes and Phlebotomus species sand flies. Using a benchmark efficacy of 61% expected reduction from a recent literature survey, we found that transfluthrin protected bivouacs from sand flies (74.

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In phase II clinical trials, NaV1.8 channels were identified as viable targets to treat acute pain. Results were modest, however, and NaV1.

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Since the introduction of spinal cord stimulation in 1967, the therapy has become a cornerstone in the treatment of several chronic pain syndromes, including but not limited to: postlaminectomy syndrome, lumbar radiculopathy, complex regional pain syndrome and diabetic peripheral neuropathy. This article aims to examine the methodology and practical considerations involved in thoracolumbar spinal cord stimulation implementation, emphasizing procedural techniques and critical criteria for selecting patients to achieve optimal outcomes and minimization of complications.

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Accurate assessment of body composition is essential for evaluating the risk of chronic disease. 3D body shape, obtainable using smartphones, correlates strongly with body composition. We present a novel method that fits a 3D body mesh to a dual-energy X-ray absorptiometry (DXA) silhouette (emulating a single photograph) paired with anthropometric traits, and apply it to the multi-phase Fenland study comprising 12,435 adults.

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Background: The National Health Service (NHS) is suffering from a workforce crisis of mental and physical sickness and attrition following the COVID-19 pandemic. An in-depth understanding of healthcare workers' (HCWs) experiences during the pandemic is required to understand the impacts on their mental health in this challenging work environment. This qualitative study explores HCWs' concerns during the COVID-19 pandemic-expressed in real time during an active mental health crisis.

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Article Synopsis
  • - Myotonic dystrophy type 1 (DM1) is caused by a CTG triplet repeat expansion that leads to the production of RNA with excessive CUG repeats, which accumulate and form structures in cell nuclei; the mechanisms behind their expression and accumulation aren't fully understood.
  • - Researchers discovered that HSP90 plays a crucial role in modifying RNA foci levels in DM1 cells, with its inhibition leading to increased RNA foci and mRNA levels, supported by experiments where HSP90 was either knocked down or overexpressed.
  • - In differentiated DM1 cells, HSP90 inhibition caused a decrease in mRNA levels through a mechanism that doesn't involve p-STAT3, highlighting the complexity of HSP90's role
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Background: The risk of contracting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) via human milk-feeding is virtually nonexistent. Adverse effects of coronavirus disease 2019 (COVID-19) vaccination for lactating individuals are not different from the general population, and no evidence has been found that their infants exhibit adverse effects. Yet, there remains substantial hesitation among this population globally regarding the safety of these vaccines.

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JYNNEOS is a nonreplicating modified vaccinia Ankara vaccine currently licensed to prevent monkeypox infection, and its milk immunogenicity remains unstudied. Investigate the human milk immunogenicity of the JYNNEOS vaccine in one individual and examine the milk for evidence of vaccine components. Immunogenicity of milk and plasma samples were tested by Luminex assays against Vaccinia antigens, and vaccine components were tested using PCR and sandwich ELISA.

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Toxins TcdA and TcdB are the main virulence factors of Clostridioides difficile, a leading cause of hospital-acquired diarrhea. Despite their importance, there is a significant knowledge gap of druggable targets for inhibiting toxin production. To address this, we screened nonantibiotic phytochemicals to identify potential chemical genetic probes to discover antivirulence drug targets.

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Background: During the COVID-19 pandemic in the United Kingdom, multiple aspects of everyday human existence were disrupted. In contrast, almost all levels of educational learning continued, albeit with modifications, including adaptation to virtual-or online-classroom experiences. This pedagogic transition also occurred in the National Institute of Health and Care Research Applied Research Collaboration Northwest London's (NIHR ARC NWL) Improvement Leader Fellowship, an annual programme focusing on quality improvement (QI).

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