نتایج جستجو برای: stress rest mpi
تعداد نتایج: 518342 فیلتر نتایج به سال:
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...
OBJECTIVE While nuclear myocardial perfusion imaging (MPI) offers many benefits to patients with known or suspected cardiovascular disease, concerns exist regarding radiation-associated health effects. Little is known regarding MPI practice in Africa. We sought to characterise radiation doses and the use of MPI best practices that could minimise radiation in African nuclear cardiology laborator...
OBJECTIVES The objective of this study was to evaluate the effect of estrogen compared to estrogen plus progesterone on the stress electrocardiogram (ECG) in relationship to stress-gated myocardial perfusion imaging (MPI) in postmenopausal women. BACKGROUND It is generally recognized that estrogen may cause false positive ST depressions on the stress ECG. The effects of estrogen plus progeste...
OBJECTIVE To evaluate the reproducibility of first-pass contrast-enhanced cardiac MR (CMR) myocardial perfusion imaging in patients with non-ischaemic dilated cardiomyopathy (NIDCM). DESIGN Prospective observational study. SETTING Single centre, tertiary care hospital. PARTICIPANTS 6 outpatient participants with NIDCM. OUTCOME Reproducibility of semiquantitative myocardial perfusion ana...
BACKGROUND Fractional flow reserve (FFR) measured on catheterization is now widely used for the diagnosis of functional myocardial ischemia in patients with coronary artery disease (CAD). FFR, however, is invasive and carries potential procedural complications. Therefore, the aim of this study was to compare the diagnostic capability in functionally significant stenosis identified on FFR, betwe...
OBJECTIVE Gated myocardial perfusion single-photon emission computed tomography (GSPECT) has been established as an accurate and reproducible diagnostic and prognostic technique for the assessment of myocardial perfusion and function. Respiratory motion is among the major factors that may affect the quality of myocardial perfusion imaging (MPI) and consequently the accuracy of the examination. ...
Abstract Background Computed Tomography Coronary Angiography (CTCA) is an effective non-invasive imaging modality for anatomo-functional assessment of coronary artery disease (CAD). Radiomics features have been used diagnosis or outcome prediction, however, their potential value characterizing flow limiting lesions has not explored. Purpose To assess whether application novel radiomics and mach...
UNLABELLED Myocardial perfusion imaging with SPECT (SPECT-MPI) and 64-slice CT angiography (CTA) are both established techniques for the noninvasive evaluation of coronary artery disease (CAD). Three-dimensional (3D) SPECT/CT image fusion may offer an incremental diagnostic value by integrating both sets of information. We report our first clinical experiences with fused 3D SPECT/CT in CAD pati...
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