Publications by authors named "McDougall C"

Article Synopsis
  • Fecal microbiota transplantation (FMT) was evaluated for its ability to induce remission in Crohn's disease (CD) in a double-blind study, marking the first investigation of its kind.
  • The study involved 21 patients receiving FMT and 13 receiving a placebo, and was terminated early due to futility, showing no significant difference in remission rates between groups at week 8.
  • While FMT did not improve clinical outcomes, both groups reported improvements in health-related quality of life; future research may explore alternative strategies to boost treatment efficacy.
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  • KMT2C and KMT2D are important enzymes that modify genes, with KMT2C haploinsufficiency recently linked to Kleefstra syndrome 2, a neurodevelopmental disorder (NDD) with unknown clinical details.
  • A study involving 98 individuals found that most pathogenic variants in KMT2C span nearly all its exons, making variant interpretation difficult; the study also established a KMT2C DNA methylation signature for better classification of the disorder.
  • Key features of KMT2C-related NDD include developmental delays, intellectual disabilities, and distinct facial characteristics, setting it apart from similar conditions like Kleefstra and Kabuki syndromes, indicating the need for its renaming and
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Background: The ecology and biology of oysters (Ostreidae) across the tropics is poorly understood. Morphological plasticity and shared characteristics among oysters have resulted in the misidentification of species, creating challenges for understanding basic species-specific biological information that is required for restoration and aquaculture. Genetic barcoding has proven essential for accurate species identification and understanding species geographic ranges.

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Early engagement in employment-related activities is associated with greater lifetime labor force attachment, which correlates with positive health, social, and quality of life outcomes. People with disabilities often require vocational intervention to enter and remain in the workforce and reap the employment-related health and social benefits. Their labor force attachment brings about the added societal-level benefits of increased tax contributions and reduced social assistance funding.

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Objectives: To examine patient, surgical and hospital factors associated with Day-1 postoperative mobility after hip fracture surgery in older adults.

Methods: A cohort study using Australia and New Zealand Hip Fracture Registry was conducted. Participants were aged older than 50 years and underwent hip fracture surgery between 1 January 2020 and 31 December 2020 inclusive.

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This paper outlines a qualitative exploration of the experiences of Youth in Charge (YiC), a 3-year pilot programme. YiC was designed to promote early, immersive community participation for students with physical disabilities, and was co-developed/co-hosted by three agencies (hospital, community rehabilitation, school board). To better understand the experiences of the youth, parents, and staff involved in this broad intervention, observation of 10 programme sessions and annual semi-structured interviews with youth ( = 5), parents ( = 4) and staff ( = 6) were undertaken.

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Objective: The aim of this study was to examine temporal trends (2016-2020) in hip fracture care in Australian and New Zealand (ANZ) hospitals that started providing patient-level data to the ANZ Hip Fracture Registry (ANZHFR) on/before 1 January 2016 (early contributors).

Methods: Retrospective cohort study of early contributor hospitals (n = 24) to the ANZHFR. The study cohort included patients aged ≥50 years admitted with a low trauma hip fracture between 1 January 2016 and 31 December 2020 (n = 26,937).

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Background: The Seattle Science Foundation created the Cerebrovascular Q&A series as a free web-based tool to educate physicians and physicians-in-training about cerebrovascular and endovascular neurosurgery across geographical boundaries and different levels of training.

Objective: This study aims to assess the educational impact and clinical implications of the Cerebrovascular Q&A webinar series, hosted by the Seattle Science Foundation.

Methods: A digital anonymous, self-administered survey was sent to the live webinar participants.

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Background: The addition of vancomycin to beta-lactam prophylaxis in arthroplasty may reduce surgical-site infections; however, the efficacy and safety are unclear.

Methods: In this multicenter, double-blind, superiority, placebo-controlled trial, we randomly assigned adult patients without known methicillin-resistant (MRSA) colonization who were undergoing arthroplasty to receive 1.5 g of vancomycin or normal saline placebo, in addition to cefazolin prophylaxis.

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Background: There is now a relatively well-established evidence base suggesting that greener living environments and time spent in urban green and blue spaces (UGBS) can be beneficial for human health and wellbeing. However, benefits are not universal and there remain widespread social inequalities in access to such resources and experiences, particularly along axes of class, race, ethnicity, age and disability, and in relation to efforts to increase the availability and accessibility of such spaces. These injustices often relate to distributive, procedural and recognition-based processes.

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Anthropomorphic activities have caused major damage to ecosystems worldwide. Although documenting this damage is important, implementing measures to halt and reverse ecosystem decline is critical and is now being prioritised globally. To support global goals to protect and restore nature, BMC Ecology and Evolution has launched a new article collection to encourage contributions from the multifaceted ecosystem restoration community.

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Background: Acute ischemic stroke (AIS) is the second leading cause of death globally. Mechanical thrombectomy (MT) has improved patient prognosis but expedient treatment is still necessary to minimize anoxic injury. Lower intraoperative body temperature decreases cerebral oxygen demand, but the role of hypothermia in treatment of AIS with MT is unclear.

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Article Synopsis
  • Nonadaptive hypotheses suggest that eukaryotic genome size increases when purifying selection weakens, predicting a relaxed selection signature in species with large genomes like lungfish.
  • The study found that the Australian lungfish's transcriptome shows excessive transcription, likely due to poor transcriptional control.
  • It also revealed a notable relaxation in coding genes of lungfish compared to other vertebrates, supporting the idea that large animal genomes evolved in a nearly neutral environment with less constraint on expansion.
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Engaging with natural environments benefits human health by providing opportunities for social interactions, enhancing mental wellbeing and enabling outdoor spaces for physical exercise. Open water swimming has seen a rapid increase in popularity, partly due to the physical health benefits it can provide but also with the growing interest in (re)connecting with nature for environment-health interactions. Using a national-scale online survey of 717 open water swimmers, the aim of this study was to investigate patterns and trends in the perceived benefits and risks of open water swimming to both public health and the environment; and to understand whether these perceived risks and benefits vary across different typologies of swimmers and open water, or 'blue space', environments.

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Background: Perioperative interventions could enhance early mobilisation and physical function after hip fracture surgery.

Objective: Determine the effectiveness of perioperative interventions on early mobilisation and physical function after hip fracture.

Methods: Ovid MEDLINE, CINAHL, Embase, Scopus and Web of Science were searched from January 2000 to March 2022.

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Purpose: To determine discharge outcomes of displaced subcapital NOF patients who were from home, with intact pre-operative cognition, ASA 1 or 2 and independent walkers treated with either THA or hemiarthroplasty.

Methods: A retrospective registry study was performed using data from the Australia and New Zealand Hip Fracture Registry (ANZHFR). Institutional ethics approval was obtained prior to commencement.

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Article Synopsis
  • * The study compares the effectiveness of aspirin versus enoxaparin in reducing 90-day mortality for patients after hip or knee arthroplasties, part of a larger trial conducted in 31 Australian hospitals.
  • * After analyzing 23,458 patients, the results aim to determine if there is a significant difference in 90-day mortality rates between those taking aspirin and those on enoxaparin.
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Background And Objectives: Flow diversion of intracranial aneurysms results in high occlusion rates. However, 10% to 20% remain persistently filling at 1 year. Often, these are retreated, but benefits of retreatment are not well established.

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Background And Aims: Patients with transient ischemic attack (TIA) have a substantially increased risk of early dementia. In this exploratory study, we aim to determine whether patients with TIA have 1) measurable regional cerebral hypoperfusion unrelated to the location of ischemia, and 2) determine the relationship of regional cerebral blood flow (rCBF) with their cognitive profiles.

Methods: Patients with TIA ( = 49) and seventy-nine ( = 79) age and sex matched controls underwent formal neuropsychological testing and MRI.

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Background: Vertebral-venous fistulas (VVFs) are rare. Scarce literature exists to guide our understanding and management. We report our experience and propose a classification based on flow, feeder number, and involvement of accessible veins.

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Human papillomavirus-associated oropharyngeal squamous cell carcinoma (OPSCC) is increasingly prevalent. Despite the overall more favorable outcome, the observed heterogeneous treatment response within this patient group highlights the need for additional means to prognosticate and guide clinical decision-making. Promising prediction models using radiomics from primary OPSCC have been derived.

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Fibular aplasia, tibial campomelia, and oligosyndactyly (FATCO) syndrome (MIM 246570) is a rare disorder characterized by specific skeletal findings (fibular aplasia, shortened or bowed tibia, and oligosyndactyly of the foot and/or hand). Typically, no other anomalies, craniofacial dysmorphism, or developmental delays are associated. Here we report three unrelated individuals with limb anomalies consistent with FATCO syndrome who have been followed clinically for 5 years.

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Aims: The aim was to describe an innovative initiative that took place in a pediatric rehabilitation hospital. The goal of this organization-wide strategic initiative, called the Transition Strategy, was to improve service delivery to children/youth with disabilities and their families at times of life transition. The research question was: What are the key elements that have contributed to the success of the Strategy, from the perspective of team members? The objectives were to describe: (a) the guiding principles underlying team functioning and team practices, (b) key enablers of positive team functioning, (c) the nature of effective team practices, and (d) lessons learned.

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