Publications by authors named "Madan M"

Background: Chronic kidney disease (CKD) is associated with higher risk of myocardial infarction and anemia. Among patients with anemia and CKD who experience myocardial infarction, it remains uncertain if a liberal red blood cell transfusion threshold strategy (hemoglobin cutoff [Hgb] < 10 g/dL) is superior to a restrictive transfusion threshold (Hgb 7-8 g/dL) strategy.

Methods: Among the 3,504 patients enrolled in the Myocardial Ischemia and Transfusion (MINT) trial with non-missing creatinine, we compared baseline characteristics and 30-day and 6-month outcomes of patients without CKD (N = 1279), CKD with eGFR 30-60 mL/min/1.

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Aims: Catheter-based radiofrequency renal denervation (RF RDN) is an interventional treatment for uncontrolled hypertension. This analysis explored the therapy's lifetime cost-effectiveness in a Canadian healthcare setting.

Materials And Methods: A decision-analytic Markov model was used to project health events, costs, and quality-adjusted life years over a lifetime horizon.

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Spontaneous coronary artery dissection (SCAD) is an increasingly recognized cause of acute coronary syndromes. Fibromuscular dysplasia (FMD) is an idiopathic, nonatherosclerotic, and noninflammatory arterial disease that affects small- to medium-sized arteries that can result in multifocal aneurysms, stenosis, tortuosity, and dissections. Extracoronary FMD has been identified in approximately 70% of SCAD patients and it is recommended that all SCAD patients undergo screening for FMD once in their lifetime using computed tomography angiography from head to pelvis.

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Article Synopsis
  • * It involves a subgroup analysis of over 3,100 participants from the MINT clinical trial conducted across multiple countries between 2017 and 2023, with a 30-day follow-up period and primary outcomes related to death or recurrent MI.
  • * Results indicated that 34.3% of participants had acute anemia, and the researchers explored the link between anemia type and post-MI outcomes, assessing various secondary complications as well.
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  • The study investigates the quality of life (QOL) and psychosocial effects on patients with various blood disorders using a cross-sectional survey format.
  • Out of 417 responses, 389 were analyzed, revealing significant financial stress, social exclusion, and relationship challenges as major psychosocial impacts, with notable differences based on age and type of disorder.
  • The findings highlight a strong need for tailored treatment plans that address both physical and mental health support, awareness, and financial assistance due to the observed issues with social exclusion and patient awareness.
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  • * The research used a tape casting technique to produce larger PLA-oil films that required less solvent, and these films were analyzed for various properties, including their antimicrobial effectiveness, mechanical strength, and moisture barrier capabilities.
  • * Results showed that the 50 wt% essential oil blend significantly extended the shelf-life of waffles from 2 days to 30 days, with Vanilla effectively masking the odor of T. ammi and confirming the films' time-released oil properties through infrared spectroscopy.
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Montenegrin Digital Academic Innovation Hub established within Erasmus+ project DigNEST is essential institutional support for developing innovations in the field of health in academic-business cooperation and partnership. Experience of 18 months in running Hub service provides preliminary results in analysis received innovation ideas, provided support and potentials/capacities in medical informatics advancements at national, regional and global level.

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Secondary spontaneous pneumothoraces occur in patients with known underlying lung disease. Patients with emphysema, bullae, and cystic lesions in the lungs are at high risk of developing pneumothorax. Cystic lung diseases like Langerhans cell histiocytosis (LCH) can present with complications like pneumothorax.

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Background: Transcatheter aortic valve replacement (TAVR) has become the standard of care for severe aortic stenosis treatment. Exponential growth in demand has led to prolonged wait times and adverse patient outcomes. Social marginalization may contribute to adverse outcomes.

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Obstructive sleep apnea (OSA) encompasses a diverse population, manifesting with or without symptoms of excessive daytime sleepiness. There is contention surrounding the significance of non-sleepy OSA within clinical contexts and whether routine treatment is warranted. This study aims to evaluate epidemiological and clinical distinctions between sleepy and non-sleepy OSA patients.

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Article Synopsis
  • * Medical pleurodesis, done either through a chest tube or thoracoscopy, can effectively address these leaks, with thoracoscopy allowing better visualization and treatment directly at the leak site.
  • * The report includes two cases where patients with prolonged air leaks underwent thoracoscopy and received a direct autologous blood patch, leading to successful resolution of the leaks and complete lung recovery.
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  • A study analyzed angiographic characteristics of patients with COVID-19 and STEMI using data from the North American COVID-19 Myocardial Infarction Registry, focusing on various angiographic outcomes.
  • Among 234 patients, 74% had one major blockage (culprit lesion), with significant cases of multivessel disease and stent thrombosis, complicating treatments.
  • One-third of the patients who underwent percutaneous coronary intervention (PCI) had unsuccessful outcomes linked to severe thrombus and poor blood flow, leading to higher in-hospital mortality rates for these cases.
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Background: Transcatheter aortic valve implantation (TAVI) has seen indication expansion and thus exponential growth in demand over the past decade. In many jurisdictions, the growing demand has outpaced capacity, increasing wait times and preprocedural adverse events. In this study, we derived prediction models that estimate the risk of adverse events on the waitlist and developed a triage tool to identify patients who should be prioritized for TAVI.

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Endobronchial ultrasound (EBUS) guided mediastinal cryobiopsy, and intranodal forceps biopsy are newer modalities for sampling mediastinal lymph nodes. The data regarding the diagnostic yield of both modalities is scarce. Patients were recruited retrospectively from our existing database.

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Background: Our study goal was to characterize the relative frequencies of molecular and phenotypic traits of tuberous sclerosis complex (TSC) in a Canadian adult population. Previous studies have sought to identify TSC-related genotypic and phenotypic trends in pediatric cohorts, but little is known about clinical manifestations and severity when it presents in adults.

Methods: We conducted a retrospective chart review of adult patients seen at the TSC clinic at the University Health Network genetics clinics (Toronto, Ontario) to compare trends in the relative frequency of TSC manifestations with genotype.

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Background: Tuberculous meningitis (TBM) is associated with high morbidity and mortality. Most of the literature focuses on outcomes at the end of therapy when it may be too late for intervention to improve the outcomes. So, the present study addresses outcomes by the end of intensive course of therapy.

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Article Synopsis
  • - Antiplatelet therapy (APT) is crucial for preventing atherothrombotic events in patients with cardiovascular disease, and effective strategies need to consider both risk of adverse events and bleeding.
  • - The updated Canadian guidelines provide recommendations on APT use for various conditions, including primary prevention, dual therapy duration post-PCI, and treatment of patients with acute coronary syndrome (ACS).
  • - These guidelines are based on systematic reviews and meta-analyses, ensuring evidence-based approaches for managing APT in different patient scenarios, including those requiring surgery or oral anticoagulation.
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Chronic pulmonary aspergillosis (CPA) is a progressive, debilitating clinical condition associated with significant morbidity. Surgery is the mainstay of treatment for life-threatening hemoptysis in symptomatic patients with simple aspergillomas. However, in patients with chronic cavitary pulmonary aspergillosis, surgical removal of aspergillomas is fraught with difficulty due to debilitating nature of the illness.

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Genome-wide association studies (GWAS) have yielded significant insights into the genetic architecture of myocardial infarction (MI), although studies in non-European populations are still lacking. Saudi Arabian cohorts offer an opportunity to discover novel genetic variants impacting disease risk due to a high rate of consanguinity. Genome-wide genotyping (GWG), imputation and GWAS followed by meta-analysis were performed based on two independent Saudi Arabian studies comprising 3950 MI patients and 2324 non-MI controls.

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  • Monitoring the thickness of the parasternal intercostal muscles can provide important insights into a patient's ability to wean off mechanical ventilation.
  • The study aimed to assess the effectiveness of parasternal intercostal muscle thickness fraction (PICTF%) as a predictor for weaning outcomes in patients who were intubated for over 48 hours.
  • Results showed that a PICTF% of 15.38% or higher accurately predicted extubation failure, with a sensitivity of 75% and specificity of 87.8%.
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