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rubidium/chest pain
Nuoroda įrašoma į mainų sritį
14 rezultatus
The feasibility of Rubidium-82 positron emission tomography stress testing in low-risk chest pain protocol patients.
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OBJECTIVE
To evaluate the feasibility of dipyridamole-induced reversible ischemia on myocardial perfusion positron emission tomography (PET) imaging using Rubidium-82 (Rb-82 PET) to predict the presence of acute coronary syndrome (ACS) in emergency department (ED) chest pain patients at low risk who
Relationship of coronary calcium and myocardial perfusion in individuals with chest pain. Assessed by integrated rubidium-82 PET-CT.
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OBJECTIVE
The integrated value of coronary calcium scoring added to myocardial perfusion assessment in hybrid PET-CT imaging remains poorly defined. In the present study, we sought to determine the relationship between calcium burden, other risk factors, and tissue perfusion in a group of patients
Economic analysis of clinical positron emission tomography of the heart with rubidium-82.
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This report describes a cost analysis for clinical positron emission tomography (PET) of the heart using generator produced rubidium-82 (82Rb). Considered sequentially are the clinical problem, current noninvasive radionuclide methods, positron emission tomograph, and the cost of PET per study. Also
Potential impact of noncontrast computed tomography as gatekeeper for myocardial perfusion positron emission tomography in patients admitted to the chest pain unit.
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We investigated the ability of coronary artery calcium (CAC) to predict a normal adenosine stress rubidium-82 (Rb-82) myocardial perfusion positron emission tomography (PET) in patients admitted to the chest pain unit. Eighty-four consecutive patients (33 men; mean age 62 +/- 14.8 years) with low to
Comparison of computed tomographic angiography versus rubidium-82 positron emission tomography for the detection of patients with anatomical coronary artery disease.
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BACKGROUND
The present study compared computed tomographic coronary angiography (CTA) and positron emission tomography (PET) for the detection of significant anatomical coronary artery stenosis as defined by conventional invasive coronary angiography (CICA).
METHODS
The study protocol was approved
Diagnostic accuracy of rubidium-82 myocardial perfusion imaging with hybrid positron emission tomography/computed tomography in the detection of coronary artery disease.
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OBJECTIVE
Our objective was to determine the accuracy of rubidium-82 myocardial perfusion positron emission tomography-computed tomography (PET-CT) imaging for detecting obstructive coronary artery disease (CAD).
BACKGROUND
Hybrid PET-CT is a new noninvasive imaging modality for evaluating patients
Acute myocardial infarction associated with intravenous dipyridamole for rubidium-82 PET imaging.
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This report describes the occurrence of chest pain and electrocardiographic features of acute myocardial infarction following intravenous dipyridamole-handgrip stress. Myocardial perfusion imaging (Rb-82 PET) demonstrated a stress-induced perfusion defect. Following failure to respond to medical
SPECT imaging for detecting coronary artery disease and determining prognosis by noninvasive assessment of myocardial perfusion and myocardial viability.
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Basic knowledge of active and passive transport mechanisms for concentrating monovalent cations in myocardial cells led to the investigation of the application of radioisotopes of potassium, thallium, rubidium, and ammonia to the in vivo noninvasive assessment of regional myocardial perfusion and
Myocardial ischaemia due to subclavian stenosis after coronary artery bypass graft: a case report.
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Limited myocardial perfusion reserve in patients with left ventricular hypertrophy.
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Experimental studies in animals have suggested that coronary flow reserve may be limited in patients with left ventricular hypertrophy (LVH). Accordingly, to noninvasively determine the effect of LVH on myocardial perfusion reserve, 25 patients, 9 with LVH and 16 controls, underwent positron imaging
Looking outside the "cardiac" box: incidental detection of a metastatic lung tumor on cardiac position emission tomography/computed tomography.
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Incidental extracardiac findings are not uncommon in patients undergoing cardiac positron emission tomography/computed tomography (PET/CT) and some of these findings can have significant clinical impact. We report a case of a 74-year-old man who presented with dyspnea and left sided chest pain.
Increased uptake of 18F-fluorodeoxyglucose in postischemic myocardium of patients with exercise-induced angina.
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Regional myocardial perfusion and exogenous glucose uptake were assessed with rubidium-82 (82Rb) and 18F-2-fluoro-2-deoxyglucose (FDG) in 10 normal volunteers and 12 patients with coronary artery disease and stable angina pectoris by means of positron emission tomography. In patients at rest, the
Clinical evaluation of transient myocardial ischemia during daily life.
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Ambulatory ST-segment monitoring has been introduced in an attempt to obtain an objective measure of transient myocardial ischemia during daily life. Serial observations conducted out of the hospital have produced a picture of the nature and activity of ischemic heart disease that differs markedly
Noninvasive Fractional Flow Reserve for the Diagnosis of Lesion-specific Ischemia: A Case Example.
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A physically active 52-year-old male with atypical chest pain was referred to our department. A coronary computed tomography angiography (CCTA) showed a stenotic plaque in the mid left anterior descending coronary artery (LAD). A rest-stress Rubidium-82 myocardial perfusion was normal. One year
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