Publications by authors named "Baxter G"

Objective: Performance standards are critical to service design and quality improvement. There are no published standards defining the care inpatients should receive from physiotherapists in Aotearoa New Zealand. This study aims to explore the potential of using clinical practice guidelines (CPGs) to develop a set of evidence-based standards for physiotherapy in inpatient settings.

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Background: Cannabis use severely affects the outcome of people with psychotic disorders, yet there is a lack of treatments. To address this, in 2019 the National Health Service (NHS) Cannabis Clinic for Psychosis (CCP) was developed to support adults suffering from psychosis to reduce and/or stop their cannabis use.

Aims: Examine outcome data from the first 46 individuals to complete the CCP's intervention.

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Background: To study the reproducibility of Na magnetic resonance imaging (MRI) measurements from breast tissue in healthy volunteers.

Methods: Using a dual-tuned bilateral Na/H breast coil at 3-T MRI, high-resolution Na MRI three-dimensional cones sequences were used to quantify total sodium concentration (TSC) and fluid-attenuated sodium concentration (FASC). B-corrected TSC and FASC maps were created.

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Mars is a particularly attractive candidate among known astronomical objects to potentially host life. Results from space exploration missions have provided insights into Martian geochemistry that indicate oxychlorine species, particularly perchlorate, are ubiquitous features of the Martian geochemical landscape. Perchlorate presents potential obstacles for known forms of life due to its toxicity.

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The authors of the manuscript 'Complementary and alternative medicine - practice, attitudes, and knowledge among healthcare professionals in New Zealand: an integrative review' [1] disagree with the assertion by McDowell et al. that our manuscript has extrapolation errors.

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Background: Early access to care for carpal tunnel syndrome (CTS) can avoid higher rates of surgery and permanent harm yet is often delayed, particularly for populations more likely to underutilise care.

Objective: We sought to explore patient experiences and perspectives of health service access for CTS to inform an equity-focussed co-design of a health service for improving early care access.

Methods: In this Normalisation Process Theory (NPT)-informed qualitative study we conducted semistructured in-depth interviews with 19 adults with experience of CTS.

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Objectives: Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of severe and chronic autoimmune diseases. Patients undergo two treatment phases: inducing remission and maintaining remission to prevent organ damage. Immunosuppressants, including glucocorticoids (GCs) are used as first-line treatment, but long-term GC use is associated with toxic effects.

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Triadic closure, the formation of a connection between two nodes in a network sharing a common neighbor, is considered a fundamental mechanism determining the clustered nature of many real-world topologies. In this work we define a static triadic closure (STC) model for clustered networks, whereby starting from an arbitrary fixed backbone network, each triad is closed independently with a given probability. Assuming a locally treelike backbone we derive exact expressions for the expected number of various small, loopy motifs (triangles, 4-loops, diamonds, and 4-cliques) as a function of moments of the backbone degree distribution.

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Article Synopsis
  • This study investigates the link between hypoxia and vascular function in estrogen receptor-positive breast cancer using advanced imaging techniques and immunohistochemical markers.
  • The research involved treatment-naive women who underwent [F]-FMISO-PET/MRI, measuring variables like vessel diameter and microvessel density to assess hypoxia.
  • Results showed a negative correlation between hypoxia and vascular metrics, indicating that lower blood vessel density and smaller vessel sizes are linked to increased hypoxia in breast tumors.
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Retrovirus immature particle morphology consists of a membrane enclosed, pleomorphic, spherical and incomplete lattice of Gag hexamers. Previously, we demonstrated that human immunodeficiency virus type 2 (HIV-2) immature particles possess a distinct and extensive Gag lattice morphology. To better understand the nature of the continuously curved hexagonal Gag lattice, we have used the single particle cryo-electron microscopy method to determine the HIV-2 Gag lattice structure for immature virions.

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Human-dominated landscapes provide heterogeneous wildlife habitat. Conservation of habitat specialists, like red pandas , inhabiting such landscapes is challenging. Therefore, information on resource use across spatial and temporal scales could enable informed-decision making with better conservation outcomes.

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Background: Chronic kidney disease (CKD) patients with and without heart failure (HF) often present with hyperkalaemia (HK) leading to increased risk of hospitalisations, cardiovascular related events and cardiovascular-related mortality. Renin-angiotensin-aldosterone system inhibitor (RAASi) therapy, the mainstay treatment in CKD management, provides significant cardiovascular and renal protection. Nevertheless, its use in the clinic is often suboptimal and treatment is frequently discontinued due to its association with HK.

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Preconditioning, postconditioning, and remote conditioning of the myocardium enhance the ability of the heart to withstand a prolonged ischemia/reperfusion insult and the potential to provide novel therapeutic paradigms for cardioprotection. While many signaling pathways leading to endogenous cardioprotection have been elucidated in experimental studies over the past 30 years, no cardioprotective drug is on the market yet for that indication. One likely major reason for this failure to translate cardioprotection into patient benefit is the lack of rigorous and systematic preclinical evaluation of promising cardioprotective therapies prior to their clinical evaluation, since ischemic heart disease in humans is a complex disorder caused by or associated with cardiovascular risk factors and comorbidities.

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Aims: Remote ischaemic preconditioning (RIPC) is a robust cardioprotective intervention in preclinical studies. To establish a working and efficacious RIPC protocol in our laboratories, we performed randomized, blinded in vivo studies in three study centres in rats, with various RIPC protocols. To verify that our experimental settings are in good alignment with in vivo rat studies showing cardioprotection by limb RIPC, we performed a systematic review and meta-analysis.

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Duchenne muscular dystrophy is a lethal muscle wasting disease caused by the absence of the protein dystrophin. Utrophin is a dystrophin homologue currently under investigation as a protein replacement therapy for Duchenne muscular dystrophy. Dystrophin is hypothesized to function as a molecular shock absorber that mechanically stabilizes the sarcolemma.

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Background: Magnetic resonance imaging (MRI) can be used to diagnose breast cancer. Diffusion weighted imaging (DWI) and the apparent diffusion coefficient (ADC) can reflect tumor microstructure in a non-invasive manner. The correct prediction of response of neoadjuvant chemotherapy (NAC) is crucial for clinical routine.

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Purpose: The purpose of this meta-ethnography was to synthesize the research exploring patient/provider perceptions of clinical conversations (CC) centered on chronic musculoskeletal pain (CMP) in vulnerable adult populations.

Materials And Methods: A systematic search for qualitative/mixed method studies in CINAHL, PubMed, Scopus, Sociology Database in ProQuest, and Web of Science used PRIMSA-P guidelines. Data synthesis used eMERGe guidelines; findings were presented in nested hierarchal theoretical frameworks.

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Most women who develop cancer have not been screened regularly. One in four women in Scotland, is overdue for cervical screening. Aim was to assess the impact of offering multiple cervical screening options to women whose screening is overdue.

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Background: Many men with Parkinson's Disease (PD) do not meet the recommended levels of physical activity (PA) for health benefits. Tailored, meaningful, and culturally sensitive PA health messages may be a catalyst to shape men's motivations toward participation.

Objective: We explored the views of New Zealand (NZ) men with PD about existing PA health messages, and how these could be adapted to be more effective.

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Background: Mentorship is the support model of choice for nursing practice in Ireland and although it follows a similar approach to that provided thus far in the UK, there is little available evidence about the students' lived experience of mentorship and the extent to which it facilitates their development.

Aim: To explore undergraduate nursing students' experiences of mentorship in hospital.

Method: The study used a qualitative approach.

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We consider the effect of a nonvanishing fraction of initially infected nodes (seeds) on the susceptible-infected-recovered epidemic model on random networks. This is relevant when the number of arriving infected individuals is large, or to the spread of ideas with publicity campaigns. This model is frequently studied by mapping to a bond percolation problem, in which edges are occupied with the probability p of eventual infection along an edge.

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Background: Acupoints are considered a dynamic functional area, which can reflect the internal condition of the body. In pathological states, disease-related acupoints are believed to be activated, which is known as acupoint sensitization.

Objective: This study aimed to investigate the major manifestations of acupoint sensitization in patients with chronic low back pain (cLBP) to provide better understanding of acupoint sensitization phenomena in the context of cLBP.

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Background: We evaluated the longitudinal performance of three options: HPV16/18 genotyping (HPV16/18), cytology (LBC), and p16/Ki-67 dual stain cytology (DS) for the triage of high-risk Human Papillomavirus-positive (Hr-HPV+) women within the cervical screening program in Scotland.

Methods: Data were derived from a cohort of Hr-HPV+ women (n = 385) who participated in PaVDaG (Papillomavirus Dumfries and Galloway) study. Performance of triage strategies for detecting high-grade disease was assessed at 3 (in women <50 years) or 5 years (in women >50 years).

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Article Synopsis
  • Breast cancer is a major health issue, and researchers are exploring the use of non-invasive sodium MRI to improve diagnosis and treatment monitoring in preclinical models.* -
  • In studies with mice that had breast tumors, sodium MRI showed higher sodium levels in tumor areas compared to normal tissues, linking these levels to increased cell density.* -
  • The combination of sodium MRI and diffusion-weighted imaging provided better classification of tumor regions, suggesting that sodium MRI could serve as a more sensitive and non-invasive biomarker for tracking treatment response.*
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