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  • About JDMI
Gauri Karur

Dr. Gauri R. Karur

Dr. Gauri Karur is an Assistant Professor at the Department of Medical Imaging, University of Toronto, a Cardiothoracic radiologist at the Joint Department of Medical Imaging and a Clinician-Investigator at the University Health Network. Dr. Karur’s research interests include the use of new MRI techniques to further our understanding of cardiovascular health in genetic and acquired aortic and pulmonary arterial pathology.

Dr. Karur completed her undergraduate medical education and post-graduate training in Diagnostic Radiology from Kasturba Medical College, Manipal University, India. She pursued clinical fellowships in Adult Cardiothoracic Imaging and Pediatric Cardiac MRI at St. Michaels Hospital, University Health Network and The Hospital for Sick Children, University of Toronto.

Dr. Karur is passionate about medical trainee education and has won teaching awards at the University of Toronto. As an immigrant, person of colour, and a toddler’s mom, she is keenly aware of the challenges people face in the pursuit of their aspirations in medicine. She is particularly passionate about mentoring international students and medical graduates.

Outside of clinical work and academia, Dr. Karur enjoys spending time with her daughter, traveling, and exploring the food scene in different cities with her husband.

Recent Publications

  • Cardiac Magnetic Resonance Imaging T1 and T2 Mapping in Systemic Lupus Erythematosus in Relation to Antimalarial Treatment

    CONCLUSIONS: The relationship between T1 and AM treatment duration differed between groups. Native T1 decreases with longer treatment in patients […]

  • Imaging of Heritable Thoracic Aortic Disease

    Heritable Thoracic Aortic Disease (HTAD) is caused by mutation of a gene that confers a high risk for thoracic aortic aneurysms and dissections. […]

  • Association of Pectus Excavatum With Ventricular Remodelling and Mitral Valve Abnormalities in Marfan Syndrome

    Background: Marfan syndrome (MFS) is an inherited connective tissue disorder. Pectus excavatum (PEX) is common in MFS. The purpose was to evaluate […]

  • Reversal of right ventricular pressure loading improves biventricular function independent of fibrosis in a rabbit model of pulmonary artery banding

    Right ventricular (RV) pressure loading leads to RV and left ventricular (LV) dysfunction through RV hypertrophy, dilatation and fibrosis. Relief of […]

  • Clinical Impact of Cardiac MRI T1 and T2 Parametric Mapping in Patients with Suspected Cardiomyopathy

    Background There are limited data on the incremental value of parametric mapping compared with core cardiac MRI protocols for suspected […]

  • Cardiac MRI and Clinical Follow-up in COVID-19 Vaccine-associated Myocarditis

    No abstract

  • Visual Ordinal Scoring of Coronary Artery Calcium on Contrast-Enhanced and Noncontrast Chest CT: A Retrospective Study of Diagnostic Performance and Prognostic Utility

    BACKGROUND. Current guidelines recommend visual evaluation of coronary artery calcium (CAC) on all nongated noncontrast chest CT examinations. […]

  • Myocardial Injury Pattern at MRI in COVID-19 Vaccine-Associated Myocarditis

    Background There are limited data on the pattern and severity of myocardial injury in patients with COVID-19 vaccination-associated myocarditis. […]

  • Chronic lung allograft dysfunction phenotype and prognosis by machine learning CT analysis

    CONCLUSIONS: Machine learning discriminated between CLAD phenotypes on CT. Both radiologist and machine learning scoring were associated with graft […]

  • Relationships between cardiac structural and functional assessment by cardiac MRI and hemoglobin in end-stage renal disease

    No abstract

  • Prognostic value of cardiovascular magnetic resonance left ventricular volumetry and geometry in patients receiving an implantable cardioverter defibrillator

    CONCLUSION: Both CMR post-processing methods showed similar prognostic value and can be used for LVEF assessment. LVEF and indexed LV mass are […]

  • Left Ventricular Mass and Wall Thickness Measurements Using Echocardiography and Cardiac MRI in Patients with Fabry Disease: Clinical Significance of Discrepant Findings

    CONCLUSION: TTE overestimates LVM and MWT and has lower reproducibility compared with cardiac MRI in Fabry disease. Measurement discrepancies between […]

  • The impact of pulmonary valve replacement on pregnancy outcomes in women with tetralogy of Fallot

    CONCLUSIONS: Pregnancy outcomes did not differ according to PVR status in our cohort. While RV volumes remained unchanged in PVR+ women, interval RV […]

  • Cardiac MRI assessment of the right ventricle pre-and post-kidney transplant

    Worsening renal function in chronic kidney disease correlates with worsening right ventricular (RV) systolic function. We evaluated the association […]

  • Clinical Significance of Papillary Muscles on Left Ventricular Mass Quantification Using Cardiac Magnetic Resonance Imaging: Reproducibility and Prognostic Value in Fabry Disease

    CONCLUSIONS: Inclusion or exclusion of papillary muscles has a significant effect on LVM quantified by cardiac MRI, and therefore, a standardized […]

  • Increased Spread of Native T1 Values Assessed With MRI as a Marker of Cardiac Involvement in Fabry Disease

    OBJECTIVE. Cardiac involvement is the leading cause of mortality in Fabry disease. Noninvasive markers of cardiac involvement are needed to identify […]

  • Augmentation of pulmonary blood flow and cardiac output by non-invasive external ventilation late after Fontan palliation

    CONCLUSION: External ventilation acutely augments PBF and CO in adult Fontan subjects. Confirmation of these findings in larger populations with […]

  • Progressive right ventricular outflow tract fibrosis after repair of tetralogy of Fallot

    CONCLUSION: Increasing right ventricular free wall T1 indicates possible progressive fibrotic remodelling in the right ventricular outflow tract in […]

  • Diagnostic Performance of Abnormal Nulling on Cardiac Magnetic Resonance Imaging Look Locker Inversion Time Sequence in Differentiating Cardiac Amyloidosis Types

    CONCLUSIONS: An abnormal nulling pattern on the Look Locker TI sequence is highly specific for cardiac amyloidosis when present. However, abnormal […]

  • Antimalarial-Induced Cardiomyopathy Resembles Fabry Disease on Cardiac MRI

    No abstract

  • Cardiac MRI measurements of pericardial adipose tissue volumes in patients on in-centre nocturnal hemodialysis

    CONCLUSIONS: INHD was not associated with any changes in EAT index and PAT index over 12 months. Changes in EAT index were not significantly […]

  • Left Ventricular Hypertrophy and Late Gadolinium Enhancement at Cardiac MRI Are Associated with Adverse Cardiac Events in Fabry Disease

    Background Cardiac involvement is the leading cause of mortality in patients with Fabry disease. Identification of imaging findings that predict […]

  • Loss of base-to-apex circumferential strain gradient assessed by cardiovascular magnetic resonance in Fabry disease: relationship to T1 mapping, late gadolinium enhancement and hypertrophy

    CONCLUSIONS: CMR reproducibly identifies myocardial strain abnormalities in FD. Loss of base-to-apex CS gradient may be an early marker of cardiac […]

  • Is T1 Mapping Ready for Rejection Surveillance After Heart Transplantation?

    No abstract

  • Prognostic Significance of Cardiac Magnetic Resonance Imaging Late Gadolinium Enhancement in Fabry Disease

    No abstract

  • Determinants of Left Ventricular Characteristics Assessed by Cardiac Magnetic Resonance Imaging and Cardiovascular Biomarkers Related to Kidney Transplantation

    CONCLUSIONS: The LVESVI and LVEDVI but not LVMI or LVEF improve post-KT. LVMI and LVEF change is independent of renal function and adiponectin. As […]

  • Diffuse Myocardial Fibrosis in Children and Adolescents With Marfan Syndrome and Loeys-Dietz Syndrome

    No abstract

  • Left Atrial Remodeling Assessed by Cardiac MRI after Conversion from Conventional Hemodialysis to In-Centre Nocturnal Hemodialysis

    CONCLUSION: There was no significant change in LA size or systolic function after conversion to INHD. The significant correlations between LA and […]

  • Use of Myocardial T1 Mapping at 3.0 T to Differentiate Anderson-Fabry Disease from Hypertrophic Cardiomyopathy

    Purpose To compare left ventricular (LV) and right ventricular (RV) 3.0-T cardiac magnetic resonance (MR) imaging T1 values in Anderson-Fabry disease […]

  • Noninvasive hematocrit assessment for cardiovascular magnetic resonance extracellular volume quantification using a point-of-care device and synthetic derivation

    CONCLUSIONS: Myocardial ECV can be accurately and reproducibly calculated with input of hematocrit measured using a noninvasive POC device, […]

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