Karim Merchant

ORCID: 0000-0003-3023-5516
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About
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Research Areas
  • Venous Thromboembolism Diagnosis and Management
  • Atrial Fibrillation Management and Outcomes
  • COVID-19 Clinical Research Studies
  • Acute Ischemic Stroke Management
  • Sepsis Diagnosis and Treatment
  • Pharmacological Receptor Mechanisms and Effects
  • Medication Adherence and Compliance
  • Acute Myocardial Infarction Research
  • Cardiac Imaging and Diagnostics
  • Hematological disorders and diagnostics
  • Long-Term Effects of COVID-19
  • Heart Failure Treatment and Management
  • Hemodynamic Monitoring and Therapy
  • COVID-19 and healthcare impacts
  • Disaster Response and Management
  • Neonatal Health and Biochemistry
  • Inflammatory Biomarkers in Disease Prognosis
  • Ultrasound in Clinical Applications

University of Southern California
2024

Keck Hospital of USC
2024

Loyola University Medical Center
2020-2022

Kabul University
2013

Lebanese American University
2013

Duta Wacana Christian University
2013

Daystar University
2013

European Peace University
2013

Sri Lanka Foundation
2013

United Nations
2013

BackgroundRisk stratification models for acute pulmonary embolism (PE) lack positive predictive value to identify patients at highest risk of early PE-related mortality. Tricuspid Annular Plane Systolic Excursion (TAPSE) and tissue doppler (S') from echocardiogram are validated metrics RV function. Computed tomography angiography (CTA) derived Hounsfield Unit (HU) gradient has been shown be a surrogate cardiac index in PE. Our study examined HU aid stratifying the PE population.MethodsWe...

10.1016/j.jscai.2022.100170 article EN cc-by-nc-nd Journal of the Society for Cardiovascular Angiography & Interventions 2022-05-01

Abstract Introduction While the global dissemination of vaccines targeting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has resulted in a decline incidence infections, case fatality rates have remained relative stable. A major objective managing hospitalized patients with documented or suspected COVID-19 infection is rapid identification features associated illness using readily available laboratory tests and clinical tools. The sequential organ failure assessment (SOFA)...

10.1093/eurheartj/ehab724.2492 article EN other-oa European Heart Journal 2021-10-01

Introduction: The six-minute walk test (6MWT) is a simple and well-validated to assess functional status predict morbidity mortality in several chronic cardiopulmonary disease states. Neutrophil Lymphocyte ratio (NLR) reflects pro inflammatory state. Increased platelet lymphocyte (PLR) has been associated with increase thrombus burden. Elevated D-dimer fibrinogen (D/f) fibrinolysis activation. No study investigated the correlation of these indices gender differences 6MWT patients presenting...

10.1161/circ.142.suppl_3.14049 article EN Circulation 2020-11-17

Kuhrau, Shannon; Masic, Dalila; Chowdhury, Ibrahim; Antonios, Nathalie; Brailovsky, Yevgeniy; Allen, Sorcha; Merchant, Karim; Marginean, Alexandru; Manshad, Ahmad; Chan, Lucas; Porcaro, Katerina; Morris, Stephen; Fareed, Jawed; Rech, Megan; Darki, Amir Author Information

10.1097/01.ccm.0000727244.65286.ce article EN Critical Care Medicine 2020-12-11

Anticoagulation (AC) adherence after acute pulmonary embolism (PE) is vital to prevent mortality and future recurrence of venous thromboembolism (VTE). We aimed analyze factors affecting AC PE. Consecutive adult patients with CT angiography or V/Q scan confirmed PE were included in a single-center retrospective study from April 2016 May 2020. Adherence data, including refill dates, collected pharmacies, measures Continuous Measure Medication Acquisition (CMA), Proportion Days Covered (PDC),...

10.1016/j.tru.2022.100100 article EN cc-by-nc-nd Thrombosis Update 2022-01-19

Abstract Introduction Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has resulted in a pandemic which infected more than 128 million people and led to over 2.8 deaths worldwide. Although the introduction of efficacious vaccines overall declines incidence SARS-CoV-2 infection, there been recent increase infections once due appearance mutant strains with higher virulence. It therefore remains vital identify predictors poor outcomes this patient population. Purpose The objective...

10.1093/eurheartj/ehab724.2473 article EN other-oa European Heart Journal 2021-10-01
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