نتایج جستجو برای: myocardial perfusion imaging
تعداد نتایج: 629221 فیلتر نتایج به سال:
department with symptoms of chest pain cannot perform adequate treadmill exercise. In these patients we perform vasodilator myocardial perfusion imaging. Our study examined the usefulness of resting myocardial perfusion imaging alone for triaging patients with chest pain and nondiagnostic electrocardiograms. We believe that optimal protocols for evaluating patients with chest pain in emergency ...
Objective(s): To appropriately use one-day myocardial perfusion imaging (MPI) with 99mTc radiopharmaceuticals (i.e. to avoid shine-through artifacts), injection doses need to be optimized and dose ratios between the 1st and 2nd scans should be maintained at ≥ 3. However, the current state of practice in Japan is unclear. Thus, the aim of this study was to clarify the details of MPI protocols us...
Objective: Although coronary artery disease (CAD) is the leading cause of death in type 2 diabetic patients, it is frequently asymptomatic. Myocardial perfusion imaging (MPI) is reported to show ischemia in a significant number of asymptomatic diabetic patients. We studied the prevalence and severity of myocardial perfusion defects in asymptomatic diabetic patients and its clinical impact. Meth...
Introduction Advances in technology to manipulate mice at the genetic level have enabled models with which to study angiogenesis. In order to evaluate these models, an imaging system capable of resolving serial changes in myocardial status in mice is needed. Several reports have previously demonstrated the use of MRI system for anatomic and functional imaging on adult and neonatal mice (l-3). H...
Myocardial involvement in progressive muscular dystrophy of the Duchenne type was evaluated in 19 patients using thallium-201 myocardial perfusion imaging. A qualitative analysis was performed from five projection images by three experienced physicians. Distinct perfusion defects were shown in 13 patients, especially in the LV posterolateral or posterior wall (11 patients). There was no signifi...
AIMS To study recovery of segmental wall thickening (SWT), ejection fraction (EF), and end-systolic volume (ESV) after acute myocardial infarction (AMI) in patients who underwent primary stenting with drug-eluting stents. Additionally, to evaluate the predictive value of magnetic resonance imaging (MRI)-based myocardial perfusion and delayed enhancement (DE) imaging. METHODS AND RESULTS Twent...
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