Publications by authors named "Kirby C"

Large scale changes in biodiversity and conservation management require long-term goals and planning across multiple sectors in the face of increasing global change. Major trends in land use and management interventions, species additions or losses, and climate are well recognized, but responses are still often short-term and fragmented across agencies and sectors. Scenario-building can be a powerful tool to imagine possible futures, integrating across sectors and disciplines and promoting long-term thinking and planning.

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Trauma exposure and alcohol use often co-occur. Unveiling predictors of drinking behavior, including among those with varying levels of trauma exposure, can inform behavioral health prevention and treatment efforts in at-risk populations. The current study examined associations between depressive symptoms, avoidant coping, gender, and alcohol use among emerging adults with and without trauma exposure and posttraumatic stress disorder (PTSD).

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Article Synopsis
  • The study investigates the effectiveness of a fast-track clinic for early diagnosis and treatment of polymyalgia rheumatica (PMR), aiming to analyze patient and disease characteristics in new cases.
  • Over 12 months, 172 patients were referred, revealing that 39% had alternative diagnoses, and 75% experiencing adverse effects from glucocorticoid treatment.
  • The findings advocate for delaying glucocorticoid therapy until specialist evaluation, highlighting the need for fast-track clinics to improve diagnosis and patient care.
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Introduction: Retention of general practice registrars in their training practices is important for addressing the GP workforce deficit and maldistribution of GPs. Given that rural and remote general practices are disproportionately affected by low retention, identifying the factors that promote retention may be as important as developing recruitment strategies in these areas. Quantifying the impact of relevant factors on registrar retention will enable a better understanding of how to incentivise retention and attenuate the loss of the rural workforce to other areas.

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Genetic variation is known to contribute to the variation of animal social behavior, but the molecular mechanisms that lead to behavioral differences are still not fully understood. Here, we investigate the cellular evolution of the hypothalamic medial preoptic area (MPOA), a brain region that plays a critical role in social behavior, across two sister species of deer mice ( and ) with divergent social systems. These two species exhibit large differences in mating and parental care behavior across species and sex.

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Skin identity is controlled by intrinsic features of the epidermis and dermis and their interactions. Modifying skin identity has clinical potential, such as the conversion of residual limb and stump (nonvolar) skin of amputees to pressure-responsive palmoplantar (volar) skin to enhance prosthesis use and minimize skin breakdown. Greater keratin 9 () expression, higher epidermal thickness, keratinocyte cytoplasmic size, collagen length, and elastin are markers of volar skin and likely contribute to volar skin resiliency.

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Thin layer chromatography-direct bioautography (TLC-DB) is a well-established bioassay used to separate and identify natural products (NPs) that are antagonistic against a target pathogen. It is a rapid, inexpensive, and simple option for the bioassay-guided isolation and identification of NPs that hinges on separation by TLC coupled with the direct application of a target pathogen to examine bioactivity. It is typically used for the analysis of bioactive plant extracts, detecting inhibitory activity against bacteria, fungi, and enzymes.

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Background: Image-defined risk factors (IDRFs) were promulgated for predicting the feasibility and safety of complete primary tumor resection in children with neuroblastoma (NB). There is limited understanding of the impact of individual IDRFs on resectability of the primary tumor or patient outcomes. A multicenter database of patients with high-risk NB was interrogated to answer this question.

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Introduction: Becoming a general practitioner (or family medicine specialist) is challenging, as trainees learn to manage complex and ambiguous situations. Feedback is a key component of this learning. Although research has tended to focus on feedback's momentary processes and impacts, there is value in seeking to understand the work it does over time and how trainees position themselves across multiple feedback encounters.

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There is a growing appreciation that both giant cell arteritis (GCA) and polymyalgia rheumatica (PMR) are closely interrelated conditions that have significant overlap in aetiology, clinical characteristics and treatment regimens. Subclinical GCA in PMR is becoming increasingly recognised, and there is evolving evidence that this may be a more aggressive disease phenotype than PMR. Ultrasound (US) lends itself well as a screening tool for GCA in PMR; it is inexpensive, non-invasive, widely available, lacks ionising radiation, may be performed at the bedside and is recommended by EULAR as a first-line investigation for suspected GCA.

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Article Synopsis
  • The study aimed to assess how often early-career specialist GPs in Australia provide nursing home visits (NHV) and home visits (HV), focusing on the impact of practicing in rural locations.
  • It found that 34% of GPs provide NHVs and 41% offer HVs, with higher rates (59% and 60%, respectively) in rural areas.
  • The research concluded that early-career GPs in regional or remote areas are more likely to offer these services compared to those in major cities.
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Background: The principal barrier to an HIV cure is the presence of the latent viral reservoir (LVR), which has been understudied in African populations. From 2018 to 2019, Uganda instituted a nationwide rollout of ART consisting of Dolutegravir (DTG) with two NRTI, which replaced the previous regimen of one NNRTI and the same two NRTI.

Methods: Changes in the inducible replication-competent LVR (RC-LVR) of ART-suppressed Ugandans with HIV (n = 88) from 2015 to 2020 were examined using the quantitative viral outgrowth assay.

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Children from diverse ethnic groups are at significantly increased risk for dental caries. In particular, American Indian (AI) children have the highest incidence of detal caries of any ethnic group. The COVID-19 pandemic dramatically restricted health care access, including preventive oral health care.

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Variation in the size and number of axial segments underlies much of the diversity in animal body plans. Here we investigate the evolutionary, genetic and developmental mechanisms driving tail-length differences between forest and prairie ecotypes of deer mice (Peromyscus maniculatus). We first show that long-tailed forest mice perform better in an arboreal locomotion assay, consistent with tails being important for balance during climbing.

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The interaction of host and Ebola virus (EBOV) proteins is required for establishing infection of the cell. To identify protein binding partners, a proximity-dependent protein interaction screen was performed for six EBOV proteins. Hits were computationally mapped onto a human protein-protein interactome and then annotated with viral proteins to reveal known and previously undescribed EBOV-host protein interactions and processes.

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Introduction: Supervision of trainees in the health care professions is recognised internationally as core to safe and effective patient care. A supervisor workforce in general practice (GP) is critical to the profession and to the communities where they work and can be demanding as general practitioners incorporate workplace-based education and support of their trainees into their daily consulting work. Little is known about how this is experienced by new supervisors; therefore, this research sought to understand factors that play a significant role in the first semester of becoming a supervisor.

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Article Synopsis
  • There are no specific medical treatments for intracerebral haemorrhage (ICH), but researchers are exploring the link between inflammatory biomarkers in blood and clinical outcomes or brain inflammation.
  • A systematic review of studies revealed that certain biomarkers, including fibrinogen and HMGB1, were associated with worse outcomes (like death or dependency) after ICH.
  • The study included 16 papers on blood biomarkers and their relationship to perihaematomal edema (PHO) and clinical results, indicating that higher levels of these biomarkers could predict poorer outcomes in ICH patients.
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Background: During facelift surgery, anterior platysmaplasty (AP) has been used for decades, but it limits lateral advancement and can induce contour irregularities. Radiofrequency (RF)-assisted-liposuction in the anterior neck can avoid these disadvantages by tightening skin without open surgery.

Purpose: The purpose of the study was to compare the esthetic outcomes of facelift surgery with those of AP and RF.

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The timing of the establishment of the HIV latent viral reservoir (LVR) is of particular interest, as there is evidence that proviruses are preferentially archived at the time of antiretroviral therapy (ART) initiation. Quantitative viral outgrowth assays (QVOAs) were performed using Peripheral Blood Mononuclear Cells (PBMC) collected from Ugandans living with HIV who were virally suppressed on ART for >1 year, had known seroconversion windows, and at least two archived ART-naïve plasma samples. QVOA outgrowth populations and pre-ART plasma samples were deep sequenced for the and genes.

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Introduction: Access to after-hours care (AHC) is an important aspect of general practice service provision.

Objective: To establish the prevalence and associations of early-career GPs' provision of AHC.

Design: An analysis of data from the New alumni Experiences of Training and independent Unsupervised Practice (NEXT-UP) cross-sectional questionnaire-based study.

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Healthcare systems intend to address health needs of a community, but unfortunately may also inadvertently exacerbate the climate crisis through increased greenhouse gas (GHG) emissions. Clinical medicine has not evolved to promote sustainability practices. New attention to the enormous impact of healthcare systems on GHG emissions and an escalating climate crisis has resulted in some institutions taking proactive measures to mitigate these negative effects.

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The principal barrier to an HIV cure is the presence of a latent viral reservoir (LVR) made up primarily of latently infected resting CD4+ (rCD4) T-cells. Studies in the United States have shown that the LVR decays slowly (half-life=3.8 years), but this rate in African populations has been understudied.

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