1,589 results match your criteria: "University of Montreal Hospital[Affiliation]"

Background: Refractory (RSE) and super-refractory status epilepticus (SRSE) are serious neurological conditions requiring aggressive management. Beyond anesthetic agents, there is a lack of evidence guiding management in these patients. This systematic review and individual participant data meta-analysis (IPDMA) seeks to evaluate and compare the currently available surgical techniques for the acute treatment of RSE and SRSE.

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Background: In a public health crisis such as COVID-19, cancer teams face significant challenges including acute work disruptions, rapid shifts in clinical practice, and burnout. Within this context, it is crucial to explore team functioning from the perspectives of multiple stakeholders.

Objective: This quantitative pilot study aimed to 1) measure perceptions of multi-stakeholders on key indicators of team functioning (Team Effectiveness, TE, and Team Relational Coordination, TRC) during COVID-19 and its transition, and 2) document whether patient perceptions of TE/TRC are significantly associated with their cancer care experiences.

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Hyperemesis gravidarum and risk of severe maternal morbidity: a retrospective cohort study.

Am J Obstet Gynecol MFM

July 2024

Institut national de santé publique du Québec, Montreal, Quebec, Canada; University of Montreal Hospital Research Centre, Montreal, Quebec, Canada; Department of Social and Preventive Medicine, School of Public Health, University of Montreal, Montreal, Quebec, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada. Electronic address:

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Purpose: To compare the effectiveness of the Endolymphatic duct blockage (EDB) and intratympanic methylprednisolone(ITMP) injection to control refractory Ménière's disease(MD) symptoms and evaluate their impact on hearing level.

Study Design: Retrospective study in a tertiary care center.

Methods: 36 received ITMP injection and 52 EDB.

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Background: Adenoma detection rate (ADR) is higher after a positive fecal immunochemical test (FIT) compared to direct screening colonoscopy.

Objective: This meta-analysis evaluated how ADR, the rates of advanced adenoma detection (AADR), colorectal cancer detection (CDR), and sessile serrated lesion detection (SSLDR) are affected by different FIT positivity thresholds.

Methods: We searched MEDLINE, EMBASE, CINAHL, and EBM Reviews databases for studies reporting ADR, AADR, CDR, and SSLDR according to different FIT cut-off values in asymptomatic average-risk individuals aged 50-74 years old.

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Article Synopsis
  • A study in Quebec examined over 1.4 million women to see if non-cardiac birth defects affect the risk of cardiovascular hospitalisation.
  • Results showed that women with any birth defect had a significantly higher rate of cardiovascular hospitalisation compared to those without defects, with non-cardiac defects increasing the risk 1.61 times.
  • Specific non-cardiac defects, especially urinary and central nervous system defects, were linked to higher risk, though cardiac defects posed the greatest risk overall.
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Importance: Metastatic hormone-sensitive prostate cancer is currently an incurable disease. Despite a high response rate to androgen-deprivation therapy, most cases progress to castration-resistant disease, the terminal phase. This review provides a summary of the most recent evidence for current and emerging management strategies, including treatment intensification with combinations of therapies.

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Using Computer-aided Optical Diagnosis and Expert Review to Evaluate Colorectal Polyps Diagnosed as Normal Mucosa in Pathology.

Clin Gastroenterol Hepatol

November 2024

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

Article Synopsis
  • Pathological assessment is the main method for diagnosing colorectal polyps, but around 10% of submitted polyps are diagnosed as normal or with non-cancerous conditions.
  • Recent studies suggest that discrepancies between endoscopic diagnoses and pathology findings may be due to errors made during the pathology diagnosis.
  • The authors aim to re-evaluate the diagnosis of mucosal polyps by incorporating expert endoscopist insights and computer-assisted diagnosis techniques.
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Background: The risk of metachronous advanced neoplasia after diagnosing serrated polyps in patients with IBD is poorly understood.

Methods: A retrospective multicenter cohort study was conducted between 2010 and 2019 at three tertiary centers in Montreal, Canada. From pathology databases, we identified 1587 consecutive patients with serrated polyps (sessile serrated lesion, traditional serrated adenoma, or serrated epithelial change).

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Triple Barrel Free Fibula Flap for Sternal Stabilization: A Case Report.

Ann Burns Fire Disasters

March 2024

Department of Plastic and Reconstructive Surgery, University of Texas-Southwestern, Dallas, Texas, United States.

Sternal non-union is a rare complication of median sternotomies following cardiac surgery. It results in sternal instability and is associated with a high rate of morbidity. Patients with sternal non-union usually complain of pain and sternal clicking with movement of the chest wall.

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In osteoarthritis (OA), oxidative stress plays a crucial role in maintaining and sustaining cartilage degradation. Current OA management requires a combination of pharmaceutical and non-pharmacological strategies, including intraarticular injections of hyaluronic acid (HA). However, several lines of evidence reported that HA oxidation by reactive oxygen species (ROS) is linked with HA cleavage and fragmentation, resulting in reduced HA viscosity.

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Introduction: Many individuals experiencing mental health complications face barriers when attempting to access services. To bridge this care gap, digital mental health innovations (DMHI) have proven to be valuable additions to in-person care by enhancing access to care. An important aspect to consider when evaluating the utility of DMHI is perceived acceptability.

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Incidence and Risk Factors of Chronic Postoperative Pain in Same-day Surgery: A Prospective Cohort Study.

Anesthesiology

August 2024

Department of Medicine, University of Montreal, Montreal, Quebec, Canada; University of Montreal Hospital Research Centre, Montreal, Quebec, Canada; Population Health Research Institute, Hamilton, Ontario, Canada.

Background: The amount of same-day surgery has increased markedly worldwide in recent decades, but there remains limited evidence on chronic postsurgical pain in this setting.

Methods: This study assessed pain 90 days after ambulatory surgery in an international, multicenter prospective cohort study of patients at least 45 yr old with comorbidities or at least 65 yr old. Pain was assessed using the Brief Pain Inventory.

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Purpose: Evidence on co-occurring mental health problems in youth with physical disabilities is growing, however how services are provided remains unclear. This study examined current interprofessional rehabilitation practices for physical and mental health services.

Methods: Youth (aged 15-24) followed for a physical disability that had mental health problems were identified.

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Background And Objective: Addition of darolutamide to androgen deprivation therapy (ADT) and docetaxel significantly improved overall survival (OS) in ARASENS (NCT02799602). Here we report on prostate-specific antigen (PSA) responses and their association with outcomes.

Methods: ARASENS is an international, double-blind, phase 3 study in patients with metastatic hormone-sensitive prostate cancer (mHSPC) randomized to darolutamide 600 mg orally twice daily (n = 651) or placebo (n = 654), both with ADT + docetaxel.

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Purpose: We assessed the risk of congenital anomalies in children who have a sibling with cancer.

Methods: We performed a matched cohort study of children born between 2006 and 2022 in Quebec. The exposure was having a sibling with cancer.

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Risk of birth defects in children of mothers with defects.

Early Hum Dev

May 2024

Department of Medical Genetics, University of British Columbia, 4500 Oak Street, Vancouver, British Columbia V6H 3N1, Canada.

Background: There is evidence that women with congenital anomalies are at risk of having an infant with the same defect. However, the risk of having an infant with a different type of defect is less well described.

Aims: We evaluated the extent to which offspring of women with congenital anomalies were at risk of having a birth defect, including defects that were similar to or different from their mother's.

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Congenital anomalies during Covid-19: artifact of surveillance or a real TORCH?

Eur J Epidemiol

June 2024

Department of Pediatrics, Sainte-Justine Hospital Research Centre, University of Montreal, Montreal, QC, Canada.

Article Synopsis
  • * Over 420,000 neonates from Quebec were analyzed, revealing that first trimester Covid-19 infections did not significantly increase the risk of birth defects (RR 1.07).
  • * However, there was an increased risk of congenital microcephaly in late pandemic births compared to prepandemic births (RR 1.44), suggesting potential heightened awareness or detection of this anomaly during that time.
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Wearable-based seizure detection devices hold promise in reducing seizure-related adverse events and relieving the daily stress experienced by people with epilepsy. In this work, we present the latest evidence regarding the performance of three seizure detection wearables (eight studies) commercially available in Canada to provide guidance to clinicians. Overall, their ability to detect focal-to-bilateral and/or generalized tonic-clonic seizures ranges between 21.

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CD4 CD25 FOXP3 T regulatory cells (Tregs) are a subset of the immunomodulatory cell population that can inhibit both innate and adaptive immunity by various regulatory mechanisms. In hepatic microenvironment, proliferation, plasticity, migration, and function of Tregs are interrelated to the remaining immune cells and their secreted cytokines and chemokines. In normal conditions, Tregs protect the liver from inflammatory and auto-immune responses, while disruption of this crosstalk between Tregs and other immune cells may result in the progression of chronic liver diseases and the development of hepatic malignancy.

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Evidence from genetic and epidemiological studies point to lipid metabolism defects in both the brain and periphery being at the core of Alzheimer's disease (AD) pathogenesis. Previously, we reported that central inhibition of the rate-limiting enzyme in monounsaturated fatty acid synthesis, stearoyl-CoA desaturase (SCD), improves brain structure and function in the 3xTg mouse model of AD (3xTg-AD). Here, we tested whether these beneficial central effects involve recovery of peripheral metabolic defects, such as fat accumulation and glucose and insulin handling.

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Context: Studies generally focus on one type of chronic condition and the effect of medical cannabis (MC) on symptoms; little is known about the perceptions and engagement of patients living with chronic conditions regarding the use of MC.

Objectives: This scoping review aims to explore: (1) what are the dimensions addressed in studies on MC that deal with patients' perceptions of MC? and (2) how have patients been engaged in developing these studies and their methodologies? Through these objectives, we have identified areas for improving future research.

Methods: We searched five databases and applied exclusion criteria to select relevant articles.

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This review investigates the most recent advances in personalized 3D-printed wound dressings and skin scaffolding. Skin is the largest and most vulnerable organ in the human body. The human body has natural mechanisms to restore damaged skin through several overlapping stages.

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Strategies for CO Laser Use in Laryngeal Microsurgery: A Systematic Review.

Otolaryngol Head Neck Surg

August 2024

Division of Otolaryngology-Head and Neck Surgery, Maisonneuve-Rosemont Hospital, Montréal, Quebec, Canada.

Article Synopsis
  • The study reviews existing literature on the safe and effective use of CO laser during transoral laser microsurgery on the larynx, focusing on perioperative practices.
  • Of the 2143 records reviewed, 103 studies were included, with varying focuses such as oncologic resection, vocal cord paralysis, and pediatric pathologies.
  • Findings highlight the need for standardized safety protocols and strategies across institutions, which can enhance training and improve patient outcomes in laryngeal surgeries.
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Burn Patients and Mental Health: A Matched Cohort Study.

Ann Surg

March 2024

Institut national de santé publique du Québec, Montreal, Quebec, Canada.

Article Synopsis
  • - This study aimed to explore the link between burn injuries and subsequent hospitalization for mental health issues over a span of up to 30 years.
  • - Analyzing data from over 23,000 burn patients in Quebec, researchers found that those with burns faced an increased risk (1.76 times greater) of being hospitalized for mental health disorders, especially notable for extensive burns and those requiring skin grafts.
  • - The findings indicate that burn patients are at heightened risk for mental health hospitalizations, particularly for issues like eating disorders, substance abuse, and suicide attempts, with the most significant risks occurring within the first five years post-burn.
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