89,373 results match your criteria: "McGill University Montreal; joseph.kinsella@mcgill.ca.[Affiliation]"

In the context of survival analysis, data-driven neural network-based methods have been developed to model complex covariate effects. While these methods may provide better predictive performance than regression-based approaches, not all can model time-varying interactions and complex baseline hazards. To address this, we propose Case-Base Neural Networks (CBNNs) as a new approach that combines the case-base sampling framework with flexible neural network architectures.

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Percutaneous coronary intervention (PCI) is a mainstay procedure for the treatment of coronary artery disease. PCI techniques have evolved considerably since the advent of PCI in 1978, and with this evolution in techniques has come changes in the best practices for patient management following PCI. The objective of this review is to provide a comprehensive overview of key considerations in patient management following PCI.

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Dominantly inherited intronic GAA repeat expansions in the fibroblast growth factor 14 gene have recently been shown to cause spinocerebellar ataxia 27B. Currently, the pathogenic threshold of (GAA) repeat units is considered highly penetrant, while (GAA) is likely pathogenic with reduced penetrance. This study investigated the frequency of the GAA repeat expansion and the phenotypic profile in a Cypriot cohort with unresolved late-onset cerebellar ataxia.

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The traditional standard of care, tension band wire fixation modalities commonly used to treat non-comminuted olecranon fractures, are frequently associated with complications, with symptomatic hardware being the most common issue, often necessitating subsequent surgical procedures for hardware removal. We present a case of a young, active gentleman who sustained a simple olecranon fracture (Mayo type IIA) and underwent open reduction with the innovative all-suture non-metallic internal fixation procedure. We used a low-profile, cost-effective alternative fracture fixation technique, following the principles of pre-existing surgical techniques, while utilizing FiberWire sutures with biomechanical properties equivalent to, or possibly superior to, conventionally used metallic wires, thereby eliminating the need for additional surgical intervention.

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Cardiovascular Risk in Prostate Cancer: State-of-the-Art Review.

JACC CardioOncol

December 2024

Division of Urology, Department of Surgery, McMaster University, Hamilton, Ontario, Canada.

Cardiovascular disease is common in patients with prostate cancer and is a significant cause of death. Cardiovascular risk factors are frequent in this population and are often not addressed to thresholds recommended by cardiovascular practice guidelines. Androgen deprivation therapy reduces muscle strength and increases adiposity, increasing the risk for diabetes and hypertension, although its relationship with adverse cardiovascular events requires confirmation.

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Schizophrenia is a frequent and disabling disease. The persistence of the disorder despite its harmful consequences represents an evolutionary paradox. Based on recent discoveries in genetics, scientists have formulated the "price-to-pay" hypothesis: schizophrenia would be intimately related to human evolution, particularly to brain development and human-specific higher cognitive functions.

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Preserving the balance of metabolic processes in endothelial cells (ECs) and vascular smooth muscle cells (VSMCs), is crucial for optimal vascular function and integrity. ECs are metabolically active and depend on aerobic glycolysis to efficiently produce energy for their essential functions, which include regulating vascular tone. Impaired EC metabolism is linked to endothelial damage, increased permeability and inflammation.

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Background: Multiracial American adults have the highest rates of binge drinking and illicit drug use of all racial groups, yet little is known about the risk and promotive factors that contribute to their substance use.

Objectives: This study examines how individual factors (i.e.

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Overview of Molecular Prognostication for Common Solid Tumor Histologies - What the Surgeon Should Know.

Global Spine J

January 2025

Combined Neurosurgical and Orthopedic Spine Program, Department of Orthopedics Surgery, University of British Columbia, Vancouver, BC, Canada.

Study Design: Narrative Literature review.

Objective: To provide a general overview of important molecular markers and targeted therapies for the most common neoplasms (lung, breast, prostate and melanoma) that metastasize to the spine and offer guidance on how to best incorporate them in the clinical setting.

Methods: A narrative review of the literature was performed using PubMed, Google Scholar, Medline databases, as well as the histology-specific National Comprehensive Cancer Network guidelines to identify relevant articles limited to the English language.

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Study Design: Delphi study.

Objective: The objective of this study was to identify risk factors associated with the development and/or progression of neurological deficits in patients with metastatic spinal disease.

Methods: A three-round Delphi study was conducted between January-May 2023 including AO Spine members, comprising mainly neurosurgeons and orthopedic surgeons.

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Study Design: Systematic review and clinimetric analysis.

Objectives: Frailty and sarcopenia predict worse surgical outcomes among spinal degenerative and deformity-related populations; this association is less clear in the context of spinal oncology. Here, we sought to identify frailty and sarcopenia tools applied in spinal oncology and appraise their clinimetric properties.

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Study Design: Systematic Review.

Objectives: Formalized terminology for pain experienced by spine cancer patients is lacking. The common descriptors of spine cancer pain as mechanical or non-mechanical is not exhaustive.

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Study Design: Systematic review.

Objective: In patients with extradural metastatic spine disease, we sought to systematically review the outcomes and complications of patients with intermediate Spinal Instability Neoplastic Score (SINS) lesions undergoing radiation therapy, percutaneous interventions, minimally invasive surgeries, or open spinal surgeries.

Methods: Following PRISMA guidelines for systematic reviews, MEDLINE, EMBASE, Web of Science, the Cochrane Database of Systematic Reviews and the Cochrane Center Register of Controlled Trials were queried for studies that reported on SINS intermediate patients who underwent: 1) radiotherapy, 2) percutaneous intervention, 3) minimally invasive, or 4) open surgery.

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Cheek swabs, heterogeneous samples consisting primarily of buccal epithelial cells, are widely used in pediatric DNA methylation studies and biomarker creation. However, the decrease in buccal proportion with age in adults remains unexamined in childhood. We analyzed cheek swabs from 4626 typically developing children 2-months to 20-years-old.

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Acute radiation dermatitis (ARD) is a prevalent adverse effect of radiotherapy in patients with breast cancer, and there is a lack of high-quality data regarding its prevention and management. This study employs a systematic and iterative process to compile the perspectives of Canadian radiation oncology, nursing, and dermatology experts, aiming to establish consensus-based recommendations for the prevention and management of ARD in breast cancer patients. A modified Delphi consensus was conducted with the participation of 19 experts from across Canada.

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Purpose: High dose rate (HDR) prostate brachytherapy (BT) procedure requires image-guided needle insertion. Given that general anesthesia is often employed during the procedure, minimizing overall planning time is crucial. In this study, we explore the clinical feasibility and time-saving potential of artificial intelligence (AI)-driven auto-reconstruction of transperineal needles in the context of US-guided prostate BT planning.

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Previous studies have indicated wide variation in the effectiveness of cognitive and behaviour therapies (CBTs) for preventing and treating anxiety disorders in children and adolescents, indicating the presence of moderators influencing outcomes. This meta-analysis investigated whether sample characteristics (child age, child baseline anxiety levels, parental baseline anxiety levels) and intervention characteristics (intervention duration, facilitator contact time, facilitator background, delivery formats, parental involvement) moderate the effectiveness of CBTs for universal prevention, targeted prevention, and treatment of anxiety disorders in children and adolescents. We identified 86 eligible randomized controlled trials (RCTs) assessing the effectiveness of 98 CBTs versus non-active controls.

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Age of onset of cannabis use and substance use problems: A systematic review of prospective studies.

Addict Behav

January 2025

Azrieli Research Center of Sainte-Justine University Hospital, Montreal, Canada; School of Psychoeducation, University of Montreal, Montreal, Canada. Electronic address:

Background: The association between the age of cannabis use (CU) onset and substance use (SU) problems has been extensively studied, yet findings remain inconsistent.

Aims: This systematic review aimed to examine prospective studies on the association between age of CU onset and later SU problems, controlling for key individual, social, and SU-related risk factors.

Methods: PsycINFO, Web of Science and PubMed were searched for studies published between January 2000 and December 2024.

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Impact of grazing by multiple Daphnia species on wastewater bacterial communities.

Sci Total Environ

January 2025

Department of Civil, Geological, and Mining Engineering, Polytechnique Montreal, Montreal, QC H3C 3A7, Canada. Electronic address:

Understanding the dynamics of fecal bacterial communities is crucial for managing public health risks and protecting drinking water resources. While extensive research exists on how abiotic factors influence the survival of fecal microbial communities in water, less attention has been paid to the impact of predation by higher organisms, such as the widely distributed grazer Daphnia. Nevertheless, Daphnia plays a significant role in regulating bacterial communities in natural aquatic ecosystems, and recent studies highlighted its potential as a biofilter in alternative tertiary wastewater treatment systems.

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[Anemia classification, prevalence and predictive factors in inflammatory bowel disease].

Orv Hetil

January 2025

1 Semmelweis Egyetem, Általános Orvostudományi Kar, Belgyógyászati és Onkológiai Klinika Budapest, Korányi S. u. 2/a, 1083 Magyarország.

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Background: The COVID-19 pandemic necessitated the rapid availability of evidence to respond in a timely manner to the needs of practice settings and decision-makers in health and social services. Now that the pandemic is over, it is time to put in place actions to improve the capacity of systems to meet knowledge needs in a situation of crisis. The main objective of this project was thus to develop an action plan for the rapid syntheses of evidence in times of health crisis in Quebec (Canada).

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Profiles of physician follow-up care, correlates and outcomes among patients affected by an incident mental disorder.

BMC Prim Care

January 2025

Département de psychiatrie, Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Université de Montréal, Montreal, QC, Canada.

Objectives: This study identified profiles of outpatient physician follow-up care and other practice features, mostly after detection of incident mental disorders (MD), and associated these profiles with patient characteristics and subsequent adverse outcomes.

Methods: A cohort of 170,957 patients age 12 + with a new or recurrent MD detected in 2019-20 was investigated based on data from the Quebec Integrated Chronic Disease Surveillance System. Latent class analysis was performed to identify follow-up care profiles, mostly within one year of MD detection.

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PbsNRs: predict the potential binders and scaffolds for nuclear receptors.

Brief Bioinform

November 2024

Institute of Clinical Science, Zhongshan Hospital, Shanghai Medical College, Shanghai Institute of Infectious Disease and Biosecurity, Intelligent Medicine Institute, School of Life Sciences, Fudan University, No. 180 Fenglin Road, Shanghai 200032, China.

Nuclear receptors (NRs) are a class of essential proteins that regulate the expression of specific genes and are associated with multiple diseases. In silico methods for prescreening potential NR binders with predictive binding ability are highly desired for NR-related drug development but are rarely reported. Here, we present the PbsNRs (Predicting binders and scaffolds for Nuclear Receptors), a user-friendly web server designed to predict the potential NR binders and scaffolds through proteochemometric modeling.

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