Dariusz Mroczek
University of Toronto
Synchronization (computer science)CorrelationInternal medicineRadiologyCardiac outputLead (electronics)CardiologyHemodynamicsIonizing radiationShunt (electrical)Beat (acoustics)Sudden cardiac deathCardiac magnetic resonance imagingFluoroscopyVeinCardiac catheterizationEnalaprilatCardiomyopathyRadiation exposureHeart diseaseHypertrophic cardiomyopathyDoppler echocardiographyEcho (computing)Pulmonary veinCatheterInterventional cardiologyPopulationFick methodHeart bypassPressure volumeNuclear medicineMulticenter studySignificant differencePediatric cardiologyValidation studyLate gadolinium enhancementComputer scienceAnesthesiaDiastoleVascular resistanceAnnular velocityMedicineReal-time computingDose area productStroke volumeCerebral autoregulation
Publications 7
#1Atsuko Kato (U of T: University of Toronto)H-Index: 3
#2Juan Pablo Sandoval (U of T: University of Toronto)H-Index: 6
Last. Kyong-Jin Lee (U of T: University of Toronto)H-Index: 18
view all 9 authors...
Abstract Background Novel quantification of stroke volume by mitral inflow and aortic outflow using automated real-time three-dimensional volume color-flow Doppler echocardiography (3D-RT-VCFDE) is more accurate than two-dimensional echocardiography and has excellent correlation with cardiac magnetic resonance imaging-based flows in adults. This technology is applied for the first time to the right heart and in children. Methods 3D-RT-VCFDE was performed in 61 image sets of flow through the aort...
#1Seiko IdeH-Index: 5
Last. Raymond H. ChanH-Index: 55
view all 5 authors...
Background: Hypertrophic cardiomyopathy (HCM) is the most common cause of sudden cardiac death (SCD) in the young. Late gadolinium enhancement (LGE) seen on contrast-enhanced cardiovascular magneti...
#1Dariusz Mroczek (U of T: University of Toronto)H-Index: 4
#2Kyong-Jin Lee (U of T: University of Toronto)H-Index: 18
Last. Rajiv Chaturvedi (U of T: University of Toronto)H-Index: 27
view all 7 authors...
#1Sharon Borik (U of T: University of Toronto)H-Index: 3
#2Sunder Devadas (U of T: University of Toronto)H-Index: 1
Last. Lee N. Benson (U of T: University of Toronto)H-Index: 75
view all 6 authors...
Objectives To assess the effectiveness of radiation-reduction measures implemented during pediatric catheterization, and provide data on the radiation doses for common interventional and diagnostic procedures, indexed to body weight. Background Ionizing radiation exposure must be minimized to “as low as reasonably achievable,” by instituting radiation-limiting techniques and knowledge of expected radiation exposure. Methods Radiation-reduction measures included pulsed-fluoroscopy at 7.5 pulses/s...
#1Kenichi Okumura (U of T: University of Toronto)H-Index: 12
#2Cameron Slorach (U of T: University of Toronto)H-Index: 29
Last. Mark K. Friedberg (U of T: University of Toronto)H-Index: 46
view all 7 authors...
Background— Right ventricular diastolic dysfunction influences outcomes in pulmonary arterial hypertension (PAH), but echocardiographic parameters have not been investigated in relation to invasive reference standards in pediatric PAH. We investigated echocardiographic parameters of right ventricular diastolic function in children with PAH in relation to simultaneously measured invasive reference measures. Methods and Results— We prospectively recruited children undergoing a clinically indicated...
#2Shi-Joon Yoo (U of T: University of Toronto)H-Index: 50
Background The bidirectional cavopulmonary connection (BCPC) is used in the staged palliation of univentricular hearts and places the cerebral and pulmonary vascular beds in series. Angiotensin-converting enzyme inhibitors (ACEI) are often used in this complex circulation, but the effects of their vasodilation are unclear. Objective Assessment of the acute response of perfusion pressure, flow and resistance across the systemic, cerebral and pulmonary vascular beds to ACEI in patients with a BCPC...
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