355 results match your criteria: "University Health Network(UHN)[Affiliation]"

A heart-brain-spleen axis controls cardiac remodeling to hypertensive stress.

Immunity

February 2025

Department of Angiocardioneurology and Translational Medicine, IRCCS Neuromed, Pozzilli, Italy; Department of Medical-Surgical Sciences and Biotechnologies, "Sapienza" University of Rome, Latina, Italy. Electronic address:

Hypertensive heart disease (HTN-HD) meaningfully contributes to hypertension morbidity and mortality. Initially established as an adaptive response, HTN-HD progresses toward worsening of left ventricule (LV) function and heart failure (HF). Hypertensive stress elevates sympathetic nervous system (SNS) activity, a negative clinical predictor, and expands macrophages.

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The urgency for climate action is recognized by international government and health care organizations, including the United Nations and World Health Organization. Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at highest risk, an inequity further exacerbated by differences in access to health care globally.

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Study Design: Biomechanical modeling study.

Objectives: Despite several recognized risk factors for proximal junctional kyphosis (PJK), its causative mechanism remains unknown. There are limited biomechanical studies to elucidate the association of sagittal alignment with PJK.

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The urgency for climate action is recognized by international government and healthcare organizations, including the United Nations (UN) and World Health Organization (WHO). Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at the highest risk, an inequity further exacerbated by differences in access to healthcare globally.

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The urgency for climate action is recognized by international government and healthcare organizations, including the United Nations (UN) and World Health Organization (WHO). Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at highest risk, an inequity further exacerbated by differences in access to healthcare globally.

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The urgency for climate action is recognised by international government and healthcare organisations, including the United Nations (UN) and World Health Organisation (WHO). Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at highest risk, an inequity further exacerbated by differences in access to healthcare globally.

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Urinary incontinence (UI) is a significant global health issue that impacts mainly middle-aged women, severely affecting their quality of life. Emerging research highlights the urinary microbiome's complex role in the etiology and management of UI, with microbial dysbiosis potentially influencing symptom severity and treatment outcomes. This systematic review aimed to evaluate the current evidence on the urinary microbiome's role in diagnosing and managing UI, focusing on variations in microbial composition across UI subtypes.

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Economic burden of cardiovascular disease in the United Kingdom (UK).

Eur Heart J Qual Care Clin Outcomes

February 2025

Health Organisation, Policy, Economics (HOPE), Centre for Primary Care & Health Services Research, The University of Manchester.

Background And Aims: Direct (medical and non-medical) and indirect (production losses and informal care) costs of cardiovascular disease (CVD) have been captured in two previous United Kingdom (UK) cost-of-illness studies, but the areas of long-term care and medical device costs were neglected. We aimed to quantify the economic burden of CVD in the UK from a societal perspective between fiscal years 2019/20 to 2021/22.

Methods: Mixed-methods study in a prevalence-based retrospective review of economic costs focused on the public sector.

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The urgency for climate action is recognised by international government and healthcare organisations, including the United Nations (UN) and World Health Organisation (WHO). Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at highest risk, an inequity further exacerbated by differences in access to healthcare globally.

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Applications of Artificial Intelligence in Acute Thoracic Imaging.

Can Assoc Radiol J

February 2025

Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.

The applications of artificial intelligence (AI) in radiology are rapidly advancing with AI algorithms being used in a wide range of disease pathologies and clinical settings. Acute thoracic pathologies including rib fractures, pneumothoraces, and acute PE are associated with significant morbidity and mortality and their identification is crucial for prompt treatment. AI models which increase diagnostic accuracy, improve radiologist efficiency and reduce time to diagnosis of acute abnormalities in the thorax have the potential to significantly improve patient outcomes.

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Toronto ACHD program: A 65 year legacy.

Int J Cardiol Congenit Heart Dis

March 2025

Toronto Adult Congenital Heart Disease (ACHD) Program, Peter Munk Cardiac Centre, University Health Network (UHN), Toronto, Canada.

The Toronto Adult Congenital Heart Disease (ACHD) Program at the University Health Network, University of Toronto, began in 1959. It traces its origins to a Paul Wood protégé, Dr. John Evans, and to a long-standing and supportive relationship with Hospital for Sick Children (SickKids), located just across the street.

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Background: This study examines the management and outcomes of large paranasal sinus osteomas (PSO), especially those abutting or encasing critical structures of the skull base and orbit.

Methodology: A multicentric retrospective analysis was conducted between June 2007 and September 2023. The study included surgically treated (regardless the type of approach chosen) PSO, exceeding 3 cm in diameter and/or located in critical anatomical areas.

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Background: As one of the most common non-communicable diseases in Africa, Stroke ought to be dealt with properly with intensifying efforts to control its burden and to face obstacles in its management.

Methods And Results: In this follow-up study we reanalyzed stroke services and related obstacles in 17 African countries that were previously studied in 2021/22 in aspects related to manpower, acute stroke services, rehabilitation programs, number of stroke units/centers, telestroke services, awareness campaigns, and national and international stroke registries through a survey that was sent to stroke specialists and national stroke societies. Overall, there is an improvement in many fields yet many obstacles in the implementation of telestroke services, acute management, secondary prevention, post-discharge services, and follow-ups whether governmental, medical, or societal are prevalent.

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Objectives: Individuals living with advanced cancer commonly experience death anxiety, which refers to the distressing thoughts or feelings associated with awareness of one's mortality. Deriving an overview of existing literature on the psychological and social factors linked to death anxiety may inform conceptual models, clinical screening, and intervention strategies in oncology and palliative care. Therefore, the present scoping review was conducted to summarize the current literature on the psychosocial correlates of death anxiety among individuals with advanced cancer.

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Analysis of outcomes in resected early-stage NSCLC with rare targetable driver mutations.

Ther Adv Med Oncol

December 2024

Division of Medical Oncology and Hematology, Princess Margaret Cancer Centre (PMCC), University Health Network (UHN), 700 University Avenue, 7-812, Toronto, ON M5G 2M9, Canada.

Background: Given advancements in adjuvant treatments for non-small-cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK)-targeted therapies, it is important to consider postoperative targeted therapies for other early-stage oncogene-addicted NSCLC. Exploring baseline outcomes for early-stage NSCLC with these rare mutations is crucial.

Objectives: This study aims to assess relapse-free survival (RFS) and overall survival (OS) in patients with resected early-stage NSCLC with rare targetable driver mutations.

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Exploring Quality and Safety Best Practices at Leading International Centres.

Healthc Q

October 2024

Lucas B. Charter, is the Vice President, Quality & Safety, and the Chief Patient Safety Officer at UHN. He is also an emergency physician and associate professor at the Faculty of Medicine and in the Institute of Health Policy, Management and Evaluation at the University of Toronto in Toronto, ON.

Background: This project aimed to go beyond published literature to glean strategies and lessons learned on quality and safety (Q&S) best practices from centres with pre-eminent international reputations.

Methods: Nine centres participated in an interview; questions centred on approaches to building Q&S infrastructure around the Institute for Healthcare Improvement's (IHI's) Whole System Quality (WSQ) framework (Sampath et al. 2021).

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Introduction: The anatomy of the tongue is three-dimensionally complex and is thought to play a central role in the local growth of oral tongue squamous cell carcinoma (OTSCC). Understanding patterns of tumor extension could improve a multimodal therapeutic approach. Thus, the main aim of this study was to provide a histological and microanatomical analysis of surgical specimens after compartmental surgery for OTSCC.

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Article Synopsis
  • The study surveyed pathologists and thoracic surgeons from the IASLC to evaluate their views on the R classification for lung cancer, with a response rate of 72% from 447 professionals.
  • Findings revealed geographic differences in R classification usage, with Europe and Asia often reporting R status, while 70% of North American pathologists rarely do, and varied practices regarding who assigns R categories between regions.
  • The "uncertain resection" category (R(un)) is largely unused globally, highlighting the need for more evidence and standardization in reporting surgical margins and R categories in pathology.
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Intraoperative surgical navigation improves margin status in advanced malignancies of the anterior craniofacial area: A prospective observational study with systematic review of the literature and meta-analysis.

Eur J Surg Oncol

February 2025

Section of Otorhinolaryngology - Head and Neck Surgery, Department of Neuroscience, University of Padua, Padua, Italy; Unit of Otorhinolaryngology - Head and Neck Surgery, Azienda Ospedale Università Padova, Padua, Italy.

The current scientific evidence suggests that surgical navigation (SN) can contribute to improve oncologic outcomes in sinonasal and craniofacial surgery. The present study investigated the feasibility of intraoperative SN and its role in improving the outcomes of surgically treated sinonasal and craniofacial tumors. This prospective study compared navigation-guided surgery for sinonasal or craniofacial malignancies with a pair-matched cohort (1:2 matching) of patients operated without SN.

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Imperative for a health-centred focus on climate change in radiology.

J Med Imaging Radiat Oncol

December 2024

Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada.

Climate change negatively impacts individual and population-level health through multiple pathways, including poor air quality, extreme heat and changes in infectious disease. These health effects will lead to higher health system and medical imaging utilisation. At the same time, the delivery of radiology services generates substantial greenhouse gas emissions.

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Evaluation of a new soluble transferrin receptor assay and comparison to three measurement procedures.

Clin Biochem

January 2025

Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; Department of Clinical Biochemistry, Laboratory Medicine Program, University Health Network (UHN), Toronto Ontario, Canada. Electronic address:

Background: Soluble transferrin receptor (sTfR) is a useful marker in the differentiation of anemia. Clinical utility is limited by lack of standardization between measurement procedures and interpretative recommendations. Our objective was to evaluate the analytical performance of a research sTfR immunoturbidimetric assay (Alinity c, Abbott Diagnostics) and compare it to three established measurement procedures.

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Using machine learning for personalized prediction of longitudinal coronavirus disease 2019 vaccine responses in transplant recipients.

Am J Transplant

December 2024

Ajmera Transplant Centre, University Health Network, Toronto, Ontario, Canada; Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, Ontario, Canada. Electronic address:

Article Synopsis
  • The study focuses on how well different AI models can predict COVID-19 vaccine responses in solid organ transplant (SOT) recipients, who are at higher risk due to weakened immune systems.
  • It examines various traditional and deep learning models, concluding that a new routed LSTM model outperformed others in accuracy for predicting antibody levels 12 months post-vaccination.
  • The research highlights critical factors like age and immunosuppression that affect vaccine responses, suggesting AI could help customize vaccination strategies for vulnerable populations.
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Automatic Matching Algorithms to Identify Eligible Participants for Stroke Trials: A Proof-of-Concept Study.

Can J Neurol Sci

December 2024

Calgary Stroke Program, Departments of Clinical Neurosciences and Community Health Sciences, the Hotchkiss Brain Institute and the O'Brien Institute for Public Health, University of Calgary Cumming School of Medicine, Calgary, Canada.

Background: Clinical trials often struggle to recruit enough participants, with only 10% of eligible patients enrolling. This is concerning for conditions like stroke, where timely decision-making is crucial. Frontline clinicians typically screen patients manually, but this approach can be overwhelming and lead to many eligible patients being overlooked.

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