NT Health Research and Publications Online

Welcome to NT Health Research and Publications Online, an open access digital repository that showcases the research projects and output of researchers working for the Northern Territory Department of Health (NT Health), while also collecting and preserving publications and multimedia produced in an official capacity, that represent the department. This service is maintained by NT Health Library Services
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4211
Projects
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  • Publication
    Journal Article
    Chronic traumatic encephalopathy (CTE) in the context of longstanding intimate partner violence.
    (2024-07-08) ;
    Byard, R W
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    Vink, R
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    Affleck, A J
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    Blumbergs, P
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    Buckland, M E
    No abstract available
  • Publication
    Journal Article
    Clinical Presentation and Outcomes Following Infection With Vibrio spp, Aeromonas spp, Chromobacterium violaceum, and Shewanella spp Water-Associated Organisms in Tropical Australia, 2015-2022
    (2024-06-30T14:00:00Z) ;
    MacGregor, Kirsten
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    Kanitkar, Tanmay
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    Water-associated bacterial infections cause a wide spectrum of disease. Although many of these infections are typically due to human host commensal or spp, water exposure can result in infections with environmental gram negatives such as spp, spp, , and spp (collectively VACS).We performed a retrospective analysis of the epidemiology, clinical presentation, and outcomes of deep and superficial infections associated with VACS organisms in our health service between 1 January 2015 and 31 December 2023.We identified 317 patient episodes of infection with VACS organisms over this period. Of these, spp (63%) was the most common, followed by spp (19%), spp (13%), and (5%). The majority were isolated from males (74.4%) and involved the lower limb (67.5%). Mild infections were more common than severe presentations, with only 15 (4.7%) admissions to the intensive care unit and 8 (2.5%) deaths. Colonization occurred in 6.9% of patients, in contrast to the perceived severity of some of these bacteria. Copathogens were common and included (48%) and enteric bacteria (57%). The majority of patients (60%) had no documented water exposure. Initial empiric antimicrobial therapy presumptively covered the susceptibilities of the isolated organisms in 47.3% of patients; however, a lack of VACS-covering empirical therapy was not associated with readmission.The isolation of a VACS organism in our setting was often not associated with documented water exposure, which has implications for empiric antimicrobial therapy. Severe disease and death were uncommon.
  • Person
    Smith, Emma
  • Person
  • Publication
    Journal Article
    Protocol and rationale of the Australian multicentre registry for serial cardiac computed tomography angiography (ARISTOCRAT): a prospective observational study of the natural history of pericoronary adipose tissue attenuation and radiomics.
    (2024-06-30)
    Cheng, Kevin
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    Lin, Andrew
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    Psaltis, Peter J
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    Rajwani, Adil
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    Brett, Nicholas
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    Otton, James
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    Nicholls, Stephen J
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    Dey, Damini
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    Wong, Dennis T L
    Vascular inflammation plays a crucial role in the development of atherosclerosis and atherosclerotic plaque rupture resulting in acute coronary syndrome (ACS). Pericoronary adipose tissue (PCAT) attenuation quantified from routine coronary computed tomography angiography (CCTA) has emerged as a promising non-invasive imaging biomarker of coronary inflammation. However, a detailed understanding of the natural history of PCAT attenuation is required before it can be used as a surrogate endpoint in trials of novel therapies targeting coronary inflammation. This article aims to explore the natural history of PCAT attenuation and its association with changes in plaque characteristics.The Australian natuRal hISTOry of periCoronary adipose tissue attenuation, RAdiomics and plaque by computed Tomographic angiography (ARISTOCRAT) registry is a multi-centre observational registry enrolling patients undergoing clinically indicated serial CCTA in 9 centres across Australia. CCTA scan parameters will be matched across serial scans. Quantitative analysis of plaque and PCAT will be performed using semiautomated software.The primary endpoint is to explore temporal changes in patient-level and lesion-level PCAT attenuation by CCTA and their associations with changes in plaque characteristics. Secondary endpoints include evaluating: (I) impact of statin therapy on PCAT attenuation and plaque characteristics; and (II) changes in PCAT attenuation and plaque characteristics in specific subgroups according to sex and risk factors. ARISTOCRAT will further our understanding of the natural history of PCAT attenuation and its association with changes in plaque characteristics.This study has been prospectively registered with the Australia and New Zealand Clinical Trials Registry (ACTRN12621001018808).
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