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PURPOSE To examine the effect of aerobic training in mitigating trastuzumab-mediated left ventricular (LV) remodeling in women with human epidermal growth factor receptor 2 (HER2)-positive breast cancer. EXPERIMENTAL DESIGN Seventeen women (53 +/- 7 years) with HER2-positive breast cancer did aerobic training during the first 4 months of adjuvant(More)
PURPOSE The purpose of this study was to analyze reproducibility and inter-observer variability of dobutamine stress cardiac magnetic resonance imaging (dobutamine CMR) and its implications on serial studies. METHODS Nineteen consecutive patients underwent two dobutamine CMR each (median 12 days apart), as part of eligibility criteria for phase I/II stem(More)
BACKGROUND Nationally, symptomatic heart failure affects 1.5-2% of Canadians, incurs $3 billion in hospital costs annually and the global burden is expected to double in the next 1-2 decades. The current one-year mortality rate after diagnosis of heart failure remains high at >25%. Consequently, new therapeutic strategies need to be developed for this(More)
The purpose of this study was to describe and compare the cardiac magnetic resonance (CMR) characteristics of myocarditis caused by high dose interleukin-2 (7 patients) with community-acquired myocarditis (14 patients). A total of 21 patients with suspected myocarditis and elevated cardiac enzymes underwent cine CMR followed by delayed enhancement. The mean(More)
PURPOSE Conventional calculation of myocardial strain requires tissue-tracking. A surrogate for strain called global fractional shortening (GFS) is proposed based on changes in dimensions of endocardial and epicardial surfaces without tissue-tracking. METHODS Three-dimensional endocardial and epicardial left ventricular surfaces traced at end-diastole and(More)
A 49-year-old man with bicuspid aortic valve (BAV) and mild-to-moderate aortic valvular stenosis was referred for investigation of a dilated cardiomyopathy. At the time of presentation, he was physically active, New York Heart Association class I. Physical examination revealed a grade III/ VI harsh crescendo-decrescendo murmur at right upper sternal border(More)
A 49-year-old man with bicuspid aortic valve (BAV) and mild-to-moderate aortic valvular stenosis was referred for investigation of a dilated cardiomyopathy. At the time of presentation, he was physically active, New York Heart Association class I. Physical examination revealed a grade III/ VI harsh crescendo-decrescendo murmur at right upper sternal border(More)
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