Publications by authors named "Bernard F"

Background: Delirium is a common and serious syndrome of acute brain dysfunction associated with negative outcomes. Melatonin may have a role in delirium prevention for critically ill adults based on data from non-critically ill patient populations. Our objective was to assess the feasibility of a multi-centre, randomized, placebo-controlled trial testing the hypothesis that low-dose melatonin prevents delirium in critically ill adults.

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Background: Intracranial multimodal monitoring (iMMM) is increasingly used in neurocritical care, but a lack of standardization hinders its evidence-based development. Here, we devised core outcome sets (COS) and reporting guidelines to harmonize iMMM practices and research.

Methods: An open, decentralized, three-round Delphi consensus study involved experts between December 2023 and June 2024.

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  • In situ hybridization is a method used to visualize RNA in cells, but analyzing images can be complicated.
  • The presented protocol utilizes open-source software for automating the analysis of multiple RNA probes (up to 14) in fluorescence in situ transcriptomics.
  • Key steps involve segmenting cell nuclei, storing raw data, ensuring quality control, and using a Python app to compile results into a comprehensive spreadsheet that shows cell positivity.
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Early activity-based therapy (E-ABT) has the potential to decrease complications and radically improve neurofunctional recovery following traumatic spinal cord injury (TSCI). Unfortunately, E-ABT after TSCI has never been attempted in humans due to practical obstacles and potential safety concerns. This study aims to report on the safety and feasibility outcomes of the Protocol for Rapid Onset of Mobilization in Patients with Traumatic SCI (PROMPT-SCI) trial: the first-ever trial of E-ABT in critically ill patients who suffered a severe TSCI.

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  • - Osteoarthritis is a degenerative joint disease affecting various tissues, and animal models, particularly the rat medial meniscus transection (MMT) model, are used to study its progression and test potential treatments.
  • - In the MMT model, significant changes to articular cartilage, subchondral bone, and formation of osteophytes were observed as early as 3 weeks post-surgery, with cartilage thickening initially, followed by thickening of subchondral bone and eventual cartilage degradation.
  • - Extending the study period of the MMT model to 6- and 12-weeks is crucial, as it provides a better representation of severe osteoarthritis and helps in assessing the efficacy of new therapies for
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Background: The way that pain is assessed in the PACU could impact on postoperative pain and analgesic consumption. However, there is currently no evidence to support this speculation. The authors hypothesised that using a comfort scale reduces postoperative opioid consumption when compared with a standard numerical rating scale (NRS) to evaluate pain in the PACU.

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Background: Over the recent decades, continuous multi-modal monitoring of cerebral physiology has gained increasing interest for its potential to help minimize secondary brain injury following moderate-to-severe acute traumatic neural injury (also termed traumatic brain injury; TBI). Despite this heightened interest, there has yet to be a comprehensive evaluation of the effects of derangements in multimodal cerebral physiology on global cerebral physiologic insult burden. In this study, we offer a multi-center descriptive analysis of the associations between deranged cerebral physiology and cerebral physiologic insult burden.

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Red-flesh color development in apple fruit is known to depend upon a particular allele of the MdMYB10 gene. While the anthocyanin metabolic pathway is well characterized, current genetic models do not explain the observed variations in red-flesh pigmentation intensity. Previous studies focused on total anthocyanin content as a phenotypic trait to characterize overall flesh color.

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The escalating emissions of CO into the atmosphere require the urgent development of technologies aimed at mitigating environmental impacts. Among these, aqueous amine solutions and polymeric membranes, such as cellulose acetate and polyimide are commercial technologies requiring improvement or substitution to enhance the economic and energetic efficiency of CO separation processes. Ionic liquids and poly(ionic liquids) (PILs) are candidates to replace conventional CO separation technologies.

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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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  • In the interfollicular epidermis, keratinocyte stem cells (KSC) produce transit amplifying (TA) cells that eventually differentiate; a new type called "early" TA (ETA) cells has been identified with unique characteristics.
  • Research shows that as children grow from infancy to childhood, their skin becomes less susceptible to UV damage, with an increase in differentiation gene expression and a decrease in stemness gene expression.
  • Additionally, KSC and ETA cells derived from infants have a higher proliferation rate and regenerative capacity compared to those from young children, highlighting significant changes in skin cell characteristics as children age.
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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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Background: The genetic basis of colour development in red-flesh apples (Malus domestica Borkh) has been widely characterised; however, current models do not explain the observed variations in red pigmentation intensity and distribution. Available methods to evaluate the red-flesh trait rely on the estimation of an average overall colour using a discrete class notation index. However, colour variations among red-flesh cultivars are continuous while development of red colour is non-homogeneous and genotype-dependent.

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The need to find alternative materials to replace aqueous amine solutions for the capture of CO in post-combustion technologies is pressing. This study assesses the CO sorption capacity and CO/N selectivity of three dicationic ionic liquids with distinct anions immobilized in commercial mesoporous silica support (SBA- 15). The samples were characterized by UART-FTIR, NMR, Raman, FESEM, TEM, TGA, Magnetometry (VSM), BET and BJH.

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  • Exercise is a key treatment for post-traumatic osteoarthritis (PTOA) and may help clear inflammatory substances from the joints, potentially providing therapeutic benefits.
  • This study involved inducing PTOA in rats through surgery, followed by a mild treadmill exercise regimen, which helped assess its effects on joint health and function.
  • Results showed that exercise reduced joint damage, improved gait, and increased the rate of joint clearance, indicating it could be an effective approach to managing PTOA progression.
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  • 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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  • * A study involving 20 female patients showed visual symptoms like proptosis and decreased visual acuity were common; with intracranial hypertension occurring in some cases, reinforcing the need for careful diagnosis.
  • * Surgical treatment with complete resection is crucial for reducing recurrence rates and improving visibility, with long-term follow-up necessary due to the slow growth and potential for recurrence of bSOMs.
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Our perceptual system bins elements of the speech signal into categories to make speech perception manageable. Here, we aimed to test whether hearing speech in categories (as opposed to a continuous/gradient fashion) affords yet another benefit to speech recognition: parsing noisy speech at the "cocktail party." We measured speech recognition in a simulated 3D cocktail party environment.

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Background: Near-infrared spectroscopy regional cerebral oxygen saturation (rSO) has gained interest as a raw parameter and as a basis for measuring cerebrovascular reactivity (CVR) due to its noninvasive nature and high spatial resolution. However, the prognostic utility of these parameters has not yet been determined. This study aimed to identify threshold values of rSO and rSO-based CVR at which outcomes worsened following traumatic brain injury (TBI).

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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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Objectives: Depression is one of the most widely reported mental health issues that affect adolescents globally. However, there is a dearth of data on its prevalence and associated factors among senior high school students in Ghana, since previous studies have focused more on adult populations. This can hinder policies needed to champion mental health and mental health care in senior high schools.

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Oogenesis is a developmental process leading to the formation of an oocyte, a haploid gamete, which upon fertilisation and sperm entry allows the male and the female pronuclei to fuse and give rise to a zygote. In addition to forming a haploid gamete, oogenesis builds up a store of proteins, mRNAs, and organelles in the oocyte needed for the development of the future embryo. In several species, such as , the polarity axes determinants of the future embryo must be asymmetrically distributed prior to fertilisation.

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