Publications by authors named "Evans R"

The initial skin breakdown and subsequent healing processes are complex and influenced by various parameters, including systemic factors, infectious bioburden, and perfusion. Vascular wounds comprise inadequate inflow (due to peripheral artery disease), microvascular damage (result of diabetes mellitus), or vasoconstriction. Normal healing of acute wounds occurs in a sequence of defined stages; however, if a dysregulated inflammatory state ensues, it is classified as chronic.

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In this work, we investigated the response of the metal-organic framework MIL-125-NH to ball-milling. Both localised and bulk analyses revealed prolongued ball-milling results in a complete loss of long-range structural order. Investigation of this disorder revealed partial retention of the local bonding of the secondary building unit, suggesting structure collapse progressed primarily through metal-linker bond breakage.

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Introduction: Low-value diagnostic tests harm patients and healthcare systems. Elucidation of determinants of low-value tests is essential for their de-implementation. The aim of this study was to understand the drivers of low-value tests in emergency medicine (EM) practice.

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Introduction And Hypothesis: Pelvic venous disorders (PVDs) are a group of inter-related pathological diagnoses that can present with a range of symptoms including pelvic and urinary symptoms similar to those seen in interstitial cystitis/bladder pain syndrome (IC/BPS). The relationship between PVDs and IC/BPS in humans has yet to be evaluated. This study's objectives are to determine the prevalence of PVD in patients with IC/BPS and to identify associated characteristics.

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TThe Kolbe-Schmitt reaction is a classic route for CO2 utilisation through organic synthesis of industrially relevant chemicals. Despite the reaction's long-standing history, detailed product separation and analysis remain underexplored, which inherently limits an accurate mechanism elucidation. This study introduces a new comprehensive approach for isolating and characterising reaction products using high-performance liquid chromatography (HPLC) and proton nuclear magnetic resonance (¹H-NMR).

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The quanitative analysis of solid-particle stabilized emulsions, known as Pickering emulsions, is crucial for their application in food, cosmetics, and pharmaceuticals. However, size analysis of these emulsion droplets, with diameters ranging from 5 to 500 μm, is challenging due to their non-uniform spatial and polydisperse size-distribution. Here, we investigate the application of the circle-Hough transform (CHT), a well-established computer-vision technique characterised by its ability to detect circular features in noisy images, for the seldom explored quantitative assessment of droplet size from optical microscopy images.

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Background: Approval of transcatheter aortic valve replacement (TAVR) for all risk profiles has extended TAVR use in patients not otherwise examined in clinical trials. We sought to evaluate contemporary real-world outcomes of surgical aortic valve replacement (SAVR) vs TAVR in Medicare beneficiaries by risk strata.

Methods: Using the United States Centers for Medicare Services database, all patients aged 65-85 undergoing isolated first-time SAVR (n=34,215) or TAVR (n=124,897) were evaluated (2018-2022).

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Objective: To investigate differences in outcome measures between radius and ulna fractures stabilized with minimally invasive plate osteosynthesis (MIPO) or open reduction and plate stabilization (ORPS) and to determine if certain preoperative factors such as the dog's age and weight, fracture morphology, or the attending surgeon influenced which application method was employed.

Study Design: Retrospective clinical outcome study.

Sample Population: Dogs undergoing plate stabilization of antebrachial fractures.

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Parkinson's disease is a neurodegenerative condition associated with the progressive loss of dopaminergic neurons. This leads to neurological impairments with heightening severity and is globally increasing in prevalence due to population ageing. Cell transplantation has demonstrated significant promise in altering the disease course in the clinic, and stem cell-derived grafts are being investigated.

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Introduction: Wolfram syndrome (Spectrum Disorder) is an ultra-rare monogenic form of progressive neurodegeneration and diabetes mellitus. In common with most rare diseases, there are no therapies to slow or stop disease progression. Sodium valproate, an anticonvulsant with neuroprotective properties, is anticipated to mediate its effect via alteration of cell cycle kinetics, increases in p21 expression levels and reduction in apoptosis and increase in Wolframin protein expression.

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The structure of the N-terminal actin-binding domain of human dystrophin was determined at 1.94 Å resolution. Each chain in the asymmetric unit exists in a `closed' conformation, with the first and second calponin homology (CH) domains directly interacting via a 2500.

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Dopaminergic subpopulations of the substantia nigra (SNc) differentially degenerate in Parkinson's disease and are characterized by unique electrophysiological properties. The vulnerable population expresses a T-type calcium channel-mediated afterdepolarization (ADP) and shows rebound activity upon release from inhibition, whereas the resilient population does not have an ADP and is slower to fire after hyperpolarization. This rebound activity can trigger dopamine release in the striatum, an important component of basal ganglia function.

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Urea has environmental, agricultural and clinical importance being present in many bodily fluids including blood, urine, tears and sweat. Monitoring urea levels is crucial, serving as an early warning for many health issues such as dehydration, kidney and liver malfunctions. Herein, semi-interpenetrating network (semi-IPN) poly(ethylene glycol) (PEG) based hydrogels (PEG700-DA/PEG, = Mn) were developed as sensors for the colorimetric detection of urea.

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Children born to mothers infected by Zika virus (ZIKV) during pregnancy are at increased risk of adverse neurodevelopmental outcomes including microcephaly, epilepsy, and neurocognitive deficits, collectively known as Congenital Zika Virus Syndrome. To study the impact of ZIKV on infant brain development, we collected resting-state electroencephalography (EEG) recordings from 28 normocephalic ZIKV-exposed children and 16 socio-demographically similar but unexposed children at 23-27 months of age. We assessed group differences in frequency band power and brain synchrony, as well as the relationship between these metrics and age.

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Competitive runners compared with recreational runners have increased odds of osteoarthritis and running-related injury, potentially from different running types. We compared distal anterior femoral cartilage deformation in competitive runners following a continuous and high-intensity interval run (10 × 400 m, 300 m jog) and evaluated the association between running kinetics and cartilage deformation. Twenty-four competitive runners (11 females and 13 males), between 18 and 35 years old underwent femoral cartilage ultrasound imaging before and after both running conditions in a counterbalanced order 2-7 days apart.

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This paper examines the prevalence and comorbidity of complex post-traumatic stress disorder (CPTSD) and borderline personality disorder (BPD) among individuals with probable personality disorder, using baseline data from the Structured Psychological Support clinical trial. The clinical characteristics and personality functioning of participants are summarised and compared between those meeting criteria for BPD, CPTSD, both or neither condition. Among 292 participants, 97% reported significant trauma exposure, and over half met the criteria for CPTSD.

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Introduction: Limited adoption of first line treatments for low back pain (LBP) in primary care settings may contribute to an overreliance on pain medications by primary care providers (PCPs). While chiropractic care typically includes recommended nonpharmacologic approaches (e.g.

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Objective: Post-COVID syndrome involves prolonged symptoms with multi-system and functional impairment lasting at least 12 weeks after acute COVID-19. We aimed to determine the efficacy of exercise-based rehabilitation interventions, either face-to-face or remote, compared to usual care in individuals experiencing Post-COVID syndrome following a hospitalisation of acute COVID-19.

Design: This single-blind randomised controlled trial compared two COVID exercise-based rehabilitation interventions (face-to-face or remote) to usual care in participants with Post-COVID syndrome following a hospitalisation.

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Randomized controlled trials are the gold standard for causal inference and play a pivotal role in modern evidence-based medicine. However, the sample sizes they use are often too limited to provide adequate power for drawing causal conclusions. In contrast, observational data are becoming increasingly accessible in large volumes but can be subject to bias as a result of hidden confounding.

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Objectives: Online Health Communities (OHCs) contributes to patient access to health information and doctor-patient communication. However, how patient engagement types influence doctor service provision in OHCs remains unclear.

Methods: With the PACE system, this study employs content analysis and clustering methods to examine the relationship between patient engagement types and doctor service provision.

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Background: There is a need to reduce delays to diagnosis for chronic breathlessness to improve patient outcomes.

Objective: To conduct a mixed-methods feasibility study of a larger cluster randomised controlled trial (cRCT) investigating a structured symptom-based diagnostic approach versus usual care for chronic breathlessness in primary care.

Methods: 10 general practitioner practices were cluster randomised to a structured diagnostic approach for chronic breathlessness including early parallel investigations (intervention) or usual care.

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Nisin O is an antimicrobial peptide encoded by the human gut bacterium A2-162 which has antimicrobial activity against clinically relevant organisms. The nisin O biosynthetic gene cluster (BGC) varies from other nisin BGCs as it lacks a leader-peptide cleaving protease and contains two bacterial two-component response regulator-histidine kinase (RK) systems. The dissemination of the nisin O cluster, the final proteolytic biosynthesis step and the regulation of nisin O are currently unknown and are the foci of this study.

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Paroxysmal hemicrania (PH) and hypnic headache (HH) are rare indomethacin-responsive headache syndromes. This case report details the new onset of both disorders in a woman in her late 60s. One headache type presented as severe pain centered on the right eyebrow, lasting 30 minutes, occurring more than 8 times daily, and associated with ipsilateral lacrimation and rhinorrhea.

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Background: This study aimed to explore how expert stakeholders involved in research, policy and practice would define an ideal dataset for collecting infant feeding data, to better align efforts to monitor and evaluate breastfeeding across the UK four nations.

Methodology: Using the Delphi method, two phases of consultation were completed with a total of 42 stakeholders. First, qualitative (Round 1) and quantitative (Round 2) surveys were distributed to an interdisciplinary panel of experts, to identify individual-level agreement for key terms and timepoints for data collection relevant to infant age.

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Objectives: To assess how the cultural safety of primary care-based chronic disease interventions for Aboriginal and Torres Strait Islander Australians is determined.

Methods: Scoping review of peer-reviewed evaluations of chronic disease interventions for Aboriginal and Torres Strait Islander patients, in which cultural safety is an outcome. Searches included Scopus, Informit, OVID Medline, Emcare and CINAHL including all articles published until September 2023.

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