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Montreal University Hospital Center (CH... Publications | LitMetric

256 results match your criteria: "Montreal University Hospital Center (CHUM) and Montreal University Research Center (CRCHUM)[Affiliation]"

Background: Efforts to improve colonoscopy have recently focused on improving adenoma detection through individual interventions. We evaluated an optimized computer-assisted technique (CADopt) versus standard colonoscopy.

Methods: A prospective randomized controlled trial was conducted enrolling adults (45-80 years) undergoing elective colonoscopy.

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Outcome of Surgery for Hypothalamic Hamartoma-Related Epilepsy: A Systematic Review and Individual Participant Data Meta-Analysis.

Neurology

December 2024

From the Department of Medicine (F.N.), Université de Montréal, Québec, Canada; David Geffen School of Medicine at the University of California, Los Angeles (K.G., A.F.); Warren Alpert Medical School of Brown University (J.-S.C.), Providence, RI; Division of Neurology (A.H.), Department of Pediatrics, Sainte-Justine University Hospital Centre, Montréal; Brain and Development Research Axis (A.H., A.G.W.), Centre de Recherche Azrieli du CHU Sainte-Justine, Montréal; Department of Neuroscience (M.R.K., D.K.N.), Université de Montréal; Research Centre of the University of Montreal Hospital Center (CRCHUM) (M.R.K., D.K.N.); Division of Neurology (M.R.K., D.K.N.), University of Montreal Hospital Center (CHUM); Laboratoire d'Imagerie Optique en Neurodéveloppement (LIONlab) (A.G.), CHU Sainte-Justine Research Center, Montréal; Cerebrum (A.G.), Department of Psychology, Université de Montréal, Québec, Canada; Department of Neurological Surgery (N.S.), Northwestern University Feinberg School of Medicine, Chicago, IL; Neuroscience Advanced Clinical Imaging Service (NACIS) (J.Y.-M.Y.), Department of Neurosurgery, The Royal Children's Hospital; Department of Paediatrics (J.Y.-M.Y.), The University of Melbourne; Neuroscience Research (J.Y.-M.Y.), Murdoch Children's Research Institute, Melbourne, Australia; Hope for Hypothalamic Hamartomas Organization (L.S., E.W.); APHM (B.D., D.S.), Timone Hospital, Epileptology and Cerebral Rhythmology, Marseille, France; Jane and John Justin Institute for Mind Health (M.S.P.), Cook Children's Health Care System, Fort Worth, TX; Division of Neurosurgery (K.M., G.M.I.), Hospital for Sick Children; Neurosciences & Mental Health (K.M., G.M.I.), SickKids Research Institute, Toronto, Ontario, Canada; Center for Neuroscience Research (W.D.G.), and Department of Neurology (W.D.G.), Children's National Hospital, George Washington University School of Medicine, Washington, DC; Department of Neurosurgery (D.M.), Université de Sherbrooke, Quebec, Canada; Pediatric Neurology Division (J.F.K.), Barrow Neurological Institute at Phoenix Children's Hospital, AZ; and Department of Neurosurgery (A.F.), David Geffen School of Medicine at the University of California, Los Angeles; Division of Neurosurgery (A.G.W.), Department of Surgery, Sainte-Justine University Hospital Centre, Montréal; Division of Neurosurgery (A.G.W.), Department of Surgery, University of Montreal Hospital Center (CHUM), Montréal, Québec, Canada.

Background And Objectives: There is a paucity of data directly comparing the outcome of surgical techniques available for the treatment of hypothalamic hamartomas (HHs). This study aims to evaluate the safety and efficacy of commonly used surgical approaches in the treatment of HH-related epilepsy.

Methods: A systematic review and individual participant data (IPD) meta-analysis was conducted.

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Introduction: NSCLC is the leading cause of cancer-related mortality. Although immune-checkpoint inhibitors (ICIs) have improved survival in patients with advanced NSCLC, treatment resistance remains a challenge. Cryoactivation, a technique inducing cell death by cycles of freezing and thawing, has the potential to augment tumor responses when combined with ICIs.

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Advances in the Regulation of Periostin for Osteoarthritic Cartilage Repair Applications.

Biomolecules

November 2024

Department of Surgical and Interventional Sciences, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3G 2M1, Canada.

Article Synopsis
  • - The study investigates the role of periostin (POSTN) in osteoarthritis (OA), finding it is increased in patients and linked to inflammation and cartilage breakdown, suggesting it could be a target for therapy.
  • - Link N (LN), a peptide from link protein, is shown to have anabolic properties and can reduce inflammation and degradation in cartilage, leading the researchers to explore its effects on POSTN expression.
  • - Experimental results reveal that LN can decrease POSTN expression and disrupt its signaling in chondrocytes, indicating it has potential as a therapeutic agent in treating OA by targeting POSTN.
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Article Synopsis
  • New image enhancement techniques and improved endoscopic quality haven't increased the routine use of the resect-and-discard approach for small polyps, even though endoscopists can achieve the necessary quality to perform optical diagnoses.
  • Recent advancements in Artificial Intelligence, specifically Computer Assisted Characterisation (CADx), show promise for better diagnosing diminutive polyps and potentially enhancing the adoption of resect-and-discard strategies.
  • While pathology diagnosis faces challenges like errors and variability, new AI-driven paradigms are emerging, but further research and real-world implementation studies are needed to boost acceptance and address liability concerns among endoscopists.
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Acceptability, engagement, and efficacy of cognitive remediation for cognitive outcomes in young adults with first-episode psychosis and social anxiety: A randomized-controlled trial.

Psychiatry Res

December 2024

Prevention and Early Intervention Program for Psychoses, Douglas Mental Health University Institute, Montreal, 6875 Bd LaSalle, Verdun, Quebec, H4H 1R3, Canada; Department of Psychiatry, McGill University, Ludmer Research & Training Building, 1033 Pine Avenue West, Montreal, Quebec, H3A 1A1, Canada. Electronic address:

Article Synopsis
  • Social anxiety disorder (SAD) often occurs alongside first-episode psychosis (FEP), which can worsen cognitive issues; this study investigates whether group cognitive remediation (CR) is more effective than group cognitive-behavioral therapy (CBT) for improving cognition in FEP+SAD patients.
  • Participants with FEP+SAD were divided into two groups, receiving either CR or CBT, and their cognitive performance was measured at various points, showing significant improvement in executive functions and visual memory for those in the CR group.
  • While 44% of participants completed the CR sessions, the study found challenges in engagement and acceptability, suggesting the need for future research to enhance participation in CR programs.
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Mismatch repair-deficient (dMMR) endometrial cancer (EC) is an inflamed phenotype with poor outcomes when meeting high-risk criteria and limited treatment options in the adjuvant setting. We report protocol-prespecified subgroup analysis of patients with dMMR tumors from the phase III ENGOT-en11/GOG-3053/KEYNOTE-B21 study (ClinicalTrials.gov identifier: NCT04634877) in newly diagnosed, high-risk EC after surgery with curative intent.

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Body fatness across the adult life course and ovarian cancer risk.

Eur J Epidemiol

October 2024

Department of Oncology, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada.

Article Synopsis
  • Excess body fat in older age can increase the risk of ovarian cancer, although the connection is not very strong.
  • A study in Montreal analyzed body mass index (BMI) data over decades for women 50 and older to understand different life stages' impact on ovarian cancer risk.
  • The findings indicate that the accumulation hypothesis best explains the link between BMI and ovarian cancer risk, particularly highlighting the early childbearing years as a potentially sensitive period for increased risk.
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Article Synopsis
  • - In the KEYNOTE-826 study, pembrolizumab combined with chemotherapy significantly boosted overall survival (OS) and progression-free survival (PFS) in patients with advanced cervical cancer, with specific attention to those using bevacizumab.
  • - The analysis included 617 patients, with a majority excluded from bevacizumab due to medical reasons; outcomes showed that those receiving pembrolizumab generally had better survival metrics, regardless of bevacizumab use.
  • - Patients on pembrolizumab experienced a high rate of severe side effects, with 74% suffering grade ≥3 treatment-related adverse events in the bevacizumab group.
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Article Synopsis
  • * Recently, there have been great breakthroughs for MS, with new medications being approved, but people with PD still have not gotten new treatments and only have old ones that don't work as well.
  • * Experts from around the world gathered in Toronto to discuss how to improve treatment for PD by learning from what worked for MS, focusing on things like better clinical trials and understanding the diseases better.
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Article Synopsis
  • Schizophrenia spectrum and other psychotic disorders are serious mental health issues, and the paper discusses a new digital intervention (HoryzonsCa) that aims to improve access to evidence-based support through a secure web platform.
  • The study has several objectives, including translating the platform for English and French speakers, evaluating its acceptability and safety, assessing clinical outcomes, and understanding the impact of sociocultural factors on its use.
  • This feasibility study will involve 100 participants aged 18-50 from Canada, utilizing various data collection methods, and aims to provide insights into the effectiveness of digital mental health services for those with chronic conditions.
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Article Synopsis
  • Patients undergoing open radical cystectomy have a high risk of needing blood transfusions, and the study investigates the use of tranexamic acid (TXA) to potentially reduce this risk.
  • The TACT trial was a randomized, double-blind study conducted in 10 academic centers from 2013 to 2021, involving patients scheduled for this type of surgery due to bladder cancer.
  • Results showed no significant difference in RBC transfusion rates between the TXA group and the placebo group, with both groups needing transfusions at similar rates up to 30 days post-surgery.
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Background And Objectives: Complete resection of epileptogenic zone is the single most important determinant of favorable seizure outcomes in resective surgery. However, identifying and resecting this zone is challenging in patients harboring diffuse; MRI-occult malformations of cortical development, such as focal cortical dysplasia; or acquired pathology, such as Rasmussen encephalitis. Intraoperative adjuncts that can aid in identifying the lesion and/or epileptogenic zone can optimize the extent of resection and seizure outcome.

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Acyl-coenzyme a binding protein (ACBP) - a risk factor for cancer diagnosis and an inhibitor of immunosurveillance.

Mol Cancer

September 2024

Centre de Recherche des Cordeliers, Université Paris Cité, Sorbonne Université, Equipe labellisée par la Ligue contre le cancer, Inserm U1138, Paris, France.

Article Synopsis
  • Higher plasma levels of ACBP/DBI, linked to age and obesity, are associated with an increased risk of cancer, especially in patients with genetic predispositions like BRCA1/2 or TP53 mutations.
  • In studies, elevated ACBP/DBI levels were predictive of future cancer development, particularly lung cancer, while neutralization of ACBP/DBI slowed tumor growth and enhanced the effects of chemoimmunotherapy in animal models.
  • The research suggests that ACBP/DBI functions as an immune suppressor and indicates that targeting it may improve cancer immunotherapy outcomes.
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Gastroenterology

December 2024

Division of Gastroenterology, Montreal University Hospital Center (CHUM), Montreal University Hospital Research Center (CRCHUM), Montreal, Quebec, Canada.

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Reply.

Gastroenterology

December 2024

Division of Gastroenterology, Montreal University Hospital Center (CHUM), Montreal University Hospital Research Center (CRCHUM), Montreal, Quebec, Canada.

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Introduction: Operculo-insular epilepsy (OIE) is a rare condition amenable to surgery in well-selected cases. Despite the high rate of neurological complications associated with OIE surgery, most postoperative deficits recover fully and rapidly. We provide insights into this peculiar pattern of functional recovery by investigating the longitudinal reorganization of structural networks after surgery for OIE in 10 patients.

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N100 as a response prediction biomarker for accelerated 1 Hz right DLPFC-rTMS in major depression.

J Affect Disord

October 2024

Institute of Medical Science, University of Toronto, Toronto, Canada; Department of Psychiatry, Faculty of Medicine, University of Toronto, Canada; Temerty Centre for Therapeutic Brain Intervention, Centre for Addiction and Mental Health, Canada.

Background And Objective: Repetitive transcranial magnetic stimulation (rTMS) is a safe and effective treatment for major depressive disorder (MDD); however, this treatment currently lacks reliable biomarkers of treatment response. TMS-evoked potentials (TEPs), measured using TMS-electroencephalography (TMS-EEG), have been suggested as potential biomarker candidates, with the N100 peak being one of the most promising. This study investigated the association between baseline N100 amplitude and 1 Hz right dorsolateral prefrontal cortex (R-DLPFC) accelerated rTMS (arTMS) treatment in MDD.

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strain EXL01 boosts efficacy of immune checkpoint inhibitors.

Oncoimmunology

July 2024

Gastroenterology Department, Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint-Antoine Hospital, Paris, France.

Article Synopsis
  • Gut microbiota significantly affects how patients respond to immune checkpoint inhibitors (ICIs) in cancer treatment, with a high level of specific bacteria linked to better outcomes.
  • Research shows that in patients with non-small cell lung cancer and melanoma, higher baseline levels of certain gut bacteria correlate with improved responses to ICIs.
  • The EXL01 strain of bacteria, currently in clinical trials for Inflammatory Bowel Disease, has been found to enhance T cell activation and restore anti-tumor responses when combined with ICIs, indicating its potential as an adjuvant therapy in cancer treatment.
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Surgical management of drug-resistant epilepsy (DRE) in patients with multiple periventricular nodular heterotopias (PVNHs) is challenging. Identifying the location of seizure onset within these complex epileptic networks is difficult, and open resection carries risks of injury to surrounding functional white matter tracts such as optic radiations (ORs). The authors demonstrate tractography-assisted laser ablation of a single nodule in a patient with DRE and multiple PVNHs.

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While the efficacy of GpIIb-IIIa-inhibitors during primary PCI (pPCI) for ST-elevated myocardial infarction (STEMI) has previously been demonstrated, its ongoing role and safety in combination with newer P2Y12-inhibitors is unclear. We therefore sought to compare outcomes between two centers with divergent approaches to the use of GpIIbIIIa antagonists in pPCI. We performed a retrospective chart review of all-comer STEMI patients treated with pPCI at two high-volume Montreal academic tertiary care centers.

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