Publications by authors named "Arbour C"

Aims: Delirium is common among adults recovering from cardiac surgery in the intensive care unit (ICU), prompting increased family involvement in their care. This study aimed to describe ICU nurses' perceptions of factors that support or impede family involvement in preventing, assessing, and managing delirium in the postoperative period following cardiac surgery.

Methods: A convenience sample of 18 nurses with a mean age 36 years (24-49), 89 % female) was recruited from two university-affiliated ICUs in Canada.

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Introduction: Acute pain levels following orthopaedic injury (eg, fracture) are a predictor of the onset of chronic pain, which affects nearly 50% of fracture patients and impairs functional recovery. Among current pharmacological treatments for acute pain, non-steroidal anti-inflammatory drugs have been associated with delayed bone healing, while opioids inhibit effective bone remodelling, increase the risk of pseudarthrosis and carry a high risk of addiction. In light of this, the development of new pain treatments is essential.

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Introduction & Objectives: Agitation is a common complication after an acute TBI in ICU patients. Professionals have a range of strategies to address agitation. Yet the absence of evidence-based guidelines and how these strategies are implemented complicates the management and safety may often be compromised for both ICU professionals and patients.

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Introduction: Recent evidence has shown that vitamin C has analgesic and opioid sparing properties in immediate postoperative context. However, this has never been studied for acute musculoskeletal (MSK) emergency department (ED) injuries. The aim of this pilot study is to evaluate the feasibility of conducting a randomized placebo-controlled study to determine the opioid sparing and analgesic effect of vitamin C compared to placebo, in acute MSK injured ED patients.

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Background: The effect of environmental fidelity on the development of teamwork skills in health care simulations is unclear. This preliminary descriptive study explored how in situ and laboratory environments impact the development of teamwork skills among novice trauma professionals.

Method: Four teams of six novice trauma professionals participated in two in situ or two laboratory simulations.

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Objective: In a recent sham-controlled 13-session prolonged continuous theta burst stimulation intervention protocol, recovery from upper limb fracture at both 1 and 3 months was better than anticipated in patients assigned to the sham intervention group. To determine whether potential placebo effect and close patient monitoring affected recovery, the current study aimed to compare clinical outcomes between sham-treated participants who also received standard care with similarly injured patients who only received standard care.

Methods: Twenty participants with isolated upper limb fractures from the sham group were seen 13 times post-fracture (1 baseline session, 10 treatments, and 2 follow-ups [1 and 3 months]) over 3 months.

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Article Synopsis
  • Phosphoglycosyl transferases (PGTs) are key enzymes in the synthesis of glycoconjugates by transferring sugar components to specific membrane targets, highlighting their importance in biochemical research.
  • The study utilizes a sequence similarity network combined with a luminescence-based assay to investigate the substrate preferences of a specific family of bacterial PGTs, providing insights into their functionality on a broader scale.
  • Additionally, the research establishes a preliminary framework for discovering inhibitors by testing eight nucleoside analogs on four distinct monoPGTs, paving the way for future studies in inhibitor development.
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Recognizing and managing pain is especially challenging for vulnerable populations who cannot communicate their discomfort. Because there is no valid and reliable objective measure of pain, the American Society for Pain Management Nursing advocates for comprehensive assessment practices articulated in a Hierarchy of Pain Assessment. These practices require gathering relevant information to infer the presence of pain and evaluate a patient's response to treatment.

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Recognizing and managing pain is especially challenging for vulnerable populations who cannot communicate their discomfort. Because there is no valid and reliable objective measure of pain, the American Society for Pain Management Nursing advocates for comprehensive assessment practices articulated in a Hierarchy of Pain Assessment. These practices must gather relevant information to infer the presence of pain and evaluate a patient's response to treatment.

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Sleep disruptions are commonly reported during and after cancer. In addition to its immediate relevance for patients' immunity and response to treatment, poor sleep can also affect their psychological health and, ultimately, quality of life. Sleep disturbances can also affect caregivers who are supporting cancer patients, adding to their burden.

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Species within the genus are recognized as emerging human pathogens. Common to all known members of the genus is the presence of an asparagine-linked glycosylation pathway encoded by the pgl operon. species are divided into two major groups, Group I and Group II.

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Phosphoglycosyl transferases (PGTs) are membrane proteins that initiate glycoconjugate biosynthesis by transferring a phospho-sugar moiety from a soluble nucleoside diphosphate sugar to a membrane-embedded polyprenol phosphate acceptor. The centrality of PGTs in complex glycan assembly and the current lack of functional information make these enzymes high-value targets for biochemical investigation. In particular, the small monotopic PGT family is exclusively bacterial and represents the minimal functional unit of the monotopic PGT superfamily.

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Background: Bleeding following cardiac surgery is common and serious, yet a gap persists in understanding how experienced intensive care nurses identify and respond to such complications.

Aim: To describe the clinical decision-making of experienced intensive care unit nurses in addressing bleeding after cardiac surgery.

Study Design: This qualitative study adopted the Recognition-Primed Decision Model as its theoretical framework.

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Introduction: Therapeutic interventions for disorders of consciousness lack consistency; evidence supports non-invasive brain stimulation, but few studies assess neuromodulation in acute-to-subacute brain-injured patients. This study aims to validate the feasibility and assess the effect of a multi-session transcranial alternating current stimulation (tACS) intervention in subacute brain-injured patients on recovery of consciousness, related brain oscillations and brain network dynamics.

Methods And Analyses: The study is comprised of two phases: a validation phase (n=12) and a randomised controlled trial (n=138).

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Article Synopsis
  • Family caregivers' involvement in direct care in intensive care units is gaining recognition as a best practice, but the factors affecting this involvement are not well understood.
  • This study aimed to identify what promotes or hinders family caregivers' participation in adult intensive care settings by conducting a literature review of articles from 2010 to 2021.
  • The review found 25 relevant articles highlighting various factors—categorized as relational, informal, clinical, and political—that influence caregiver involvement and proposed recommendations to enhance this approach in practice.
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Background: Soothing conversation (SC) is particularly promising for symptom management during outpatient chemotherapy. However, we know little about the profile of patients who are most likely to benefit from this intervention.

Objective: To gain a better understanding of the profile of patients most likely to benefit from SC to reduce symptom burden during outpatient chemotherapy.

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Sleep slow waves are the hallmark of deeper non-rapid eye movement sleep. It is generally assumed that gray matter properties predict slow-wave density, morphology, and spectral power in healthy adults. Here, we tested the association between gray matter volume (GMV) and slow-wave characteristics in 27 patients with moderate-to-severe traumatic brain injury (TBI, 32.

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BACKGROUND: Delirium is a common neurological complication in patients admitted to the intensive care unit (ICU) after moderate to severe traumatic brain injury (TBI). Although current clinical guidelines prioritize delirium prevention, no specific tool is tailored to detect early signs of delirium in TBI patients. This preliminary 2-phase observational study investigated the correlation between the pupillary light reflex (PLR), measured with a pupillometer during mechanical ventilation, and the development of postextubation delirium in TBI patients.

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Article Synopsis
  • Agitation in traumatic brain injury (TBI) patients in the ICU can lead to serious issues like self-injury and device removal, making continuous monitoring important.
  • The study aimed to evaluate the use of actigraphy, a method that tracks movement, to monitor agitation levels in TBI patients and compare those who are agitated with those who are not.
  • Results showed that actigraphy is feasible for TBI patients, with agitated individuals exhibiting significantly higher activity levels than non-agitated ones, highlighting its potential as a monitoring tool in ICUs.
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Traumatic brain injury (TBI) survivors often suffer from agitated behaviors and will most likely receive pharmacological treatments. Choosing an optimal and safe treatment that will not interfere with neurological recovery remains controversial. By interfering with dopaminergic circuits, antipsychotics may impede processes important to cognitive recovery.

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Objective: The aim of this study was to conduct a scoping review to determine the nature, variety, and volume of empirical evidence on nonpharmacological interventions for sleep disturbances with potential implications for fatigue in adults sustaining a traumatic brain injury (TBI).

Methods: A systematic literature search was conducted across four databases to identify primary studies testing a single non-pharmacological intervention or a combination of non-pharmacological interventions for sleep disturbances and fatigue in community-dwelling adults with TBI.

Results: Sixteen studies were reviewed addressing six non-pharmacological interventions for sleep disruptions and fatigue after TBI including light therapy, cognitive-behavioral therapy, warm footbath application, shiatsu, and sleep hygiene protocol.

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Purpose: Agitation is a common behavioural problem following traumatic brain injury (TBI). Intensive care unit (ICU) physicians' perspectives regarding TBI-associated agitation are unknown. Our objective was to describe physicians' beliefs and perceived importance of TBI-associated agitation in critically ill patients.

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The genus of Gram-negative bacteria is characterized by the expression of N-linked protein glycosylation (pgl) pathways. As is an emerging human pathogen, a better understanding of the variation of the biosynthetic pathways across the genus is necessary to identify the relationships between protein glycosylation and disease. The pgl pathways of strains have been reported to diverge from other in steps after the biosynthesis of acetylgalactosamine-α1,3-diacetylbacillosamine-α-1-diphosphate undecaprenyl (GalNAc-diNAcBac-PP-Und), which is catalyzed by PglC and PglA, a phosphoglycosyltransferase (PGT) and a glycosyltransferase (GT), respectively.

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Article Synopsis
  • Adults with traumatic brain injury (TBI) often experience sleep disturbances during recovery, particularly while hospitalized, but the factors affecting their sleep are not well understood.* -
  • A review of 30 studies showed that hospitalized TBI patients typically get less than the recommended 7-9 hours of sleep per night and are disrupted by both internal factors (like injury severity and medication) and external factors (like noise and light).* -
  • The findings highlight a growing recognition of sleep issues in this population, but there are still many gaps in the research that need further exploration.*
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