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Evaluation of non-stenotic carotid atherosclerotic plaques with combined FDG-PET imaging and CT angiography in patients with ischemic stroke of unknown origin
ConclusionsIn patients with ischemic stroke of unknown origin and non-stenotic plaques, we found an increased prevalence of high-risk plaques features ipsilateral vs. contralateral to stroke on FDG-PET-CTA imaging suggesting a causal role for these plaques.
Source: Journal of Nuclear Cardiology - January 18, 2021 Category: Nuclear Medicine Source Type: research

Association of atrial 18F-fluorodeoxyglucose uptake and prior ischemic stroke in non-atrial fibrillation patients
ConclusionsThis study identified an association between atrial FDG activity and a history of ischemic stroke and atrial cardiomyopathy in non-AF individuals. Further longitudinal study is warranted to demonstrate their causal relationship.
Source: Journal of Nuclear Cardiology - January 26, 2022 Category: Nuclear Medicine Source Type: research

Quantitative assessment of tricuspid regurgitation using right and left ventricular stroke volumes obtained from tomographic equilibrium radionuclide ventriculography
ConclusionTR assessment using the t-ERV correlates well with PISA from TTE in patients referred for right ventricular systolic function assessment.
Source: Journal of Nuclear Cardiology - June 13, 2019 Category: Nuclear Medicine Source Type: research

Risk stratification for large artery or chronic coronary artery disease-related ischemic stroke in octogenarians undergoing exercise stress myocardial perfusion imaging: A cohort study
Conclusion Exercise-MPI in octogenarians can provide risk stratification markers for LACCIS.
Source: Journal of Nuclear Cardiology - December 16, 2015 Category: Nuclear Medicine Source Type: research

Safety of vasodilator stress myocardial perfusion imaging in patients with elevated cardiac biomarkers
Conclusion In the setting of elevated troponin, serious complications associated with either exercise or vasodilator stress testing appear to be relatively rare with no increased risk attributable to a particular vasodilator agent.
Source: Journal of Nuclear Cardiology - February 22, 2016 Category: Nuclear Medicine Source Type: research

Evaluation of ECG-gated 11 Cacetate PET for measuring left ventricular volumes, mass, and myocardial external efficiency
Conclusions Although analysis-related improvements in accuracy are recommended, LV geometry estimated from ECG-gated [11C]acetate PET correlate excellently with CMR and can indeed be used to evaluate MEE.
Source: Journal of Nuclear Cardiology - April 18, 2016 Category: Nuclear Medicine Source Type: research

18 F-sodium fluoride positron emission tomography assessed microcalcifications in culprit and non-culprit human carotid plaques
Conclusions18F-NaF PET represents a different stage in the calcification process than CT. We observed a similar PET assessed18F-NaF uptake and pattern in culprit and non-culprit plaques of high-risk patients, indicating that this method may be of more value in early atherosclerotic stenosis development.
Source: Journal of Nuclear Cardiology - June 25, 2018 Category: Nuclear Medicine Source Type: research

Nutrition, risk factors, prevention, and imaging: The 2018 Mario Verani Lecture
AbstractHeart disease has been the leading cause of death in the United States since 1918. Cardiac mortality rates have dramatically decreased in this era of advanced medical and interventional therapies. However, this has been aptly described as “mopping up the floor instead of turning off the faucet.” With this recognition, prevention in cardiology is poised to become a central focus. Within prevention, dietary intervention is recognized as the single largest opportunity for improved cardiovascular outcomes, including improvement or el imination of cardiac risk factors, prevention of myocardial infarction, stroke and...
Source: Journal of Nuclear Cardiology - November 5, 2018 Category: Nuclear Medicine Source Type: research

Prognostic value of myocardial perfusion imaging with D-SPECT camera in patients with ischemia and no obstructive coronary artery disease (INOCA)
ConclusionsD-SPECT MPI provides excellent prognostic information, with a more severe prognosis in patients with abnormal D-SPECT MPI. INOCA patients with abnormal D-SPECT MPI experience a poor prognosis similar to that of patients with obstructive CAD.
Source: Journal of Nuclear Cardiology - September 29, 2020 Category: Nuclear Medicine Source Type: research

Quantifying microcalcification activity in the thoracic aorta
ConclusionsAMA is a simple, rapid and reproducible method of quantifying global18F-NaF uptake across the ascending aorta and aortic arch that correlates with cardiovascular risk scores.
Source: Journal of Nuclear Cardiology - January 20, 2021 Category: Nuclear Medicine Source Type: research

Hemiplegic migraine episode triggered by regadenoson
AbstractSPECT and PET myocardial perfusion imaging (MPI) are widely used to evaluate patients for coronary artery disease. Regadenoson (a selective A2A adenosine receptor agonist) is a commonly used vasodilator agent for stress MPI because of its safety profile and ease of use. Common adverse reactions such as headache, shortness of breath, flushing, and chest and abdominal discomfort are typically mild and can be effectively reversed using methylxanthines such as aminophylline and caffeine. Neurological adverse reactions such as seizure and stroke have rarely been reported with the use of regadenoson. The hemodynamic chan...
Source: Journal of Nuclear Cardiology - July 25, 2021 Category: Nuclear Medicine Source Type: research

SPECT/CT imaging of inflammation and calcification in human carotid atherosclerosis to identify the plaque at risk of rupture
ConclusionCalcification imaging alone can only accurately identify highly calcified, stable, fibrocalcific plaques. To identify high-risk plaques, with little or no calcification, hybrid imaging of calcification and inflammation could provide diagnostic benefit.
Source: Journal of Nuclear Cardiology - July 27, 2021 Category: Nuclear Medicine Source Type: research

Atrial FDG uptake linked to ischemic stroke in patients without atrial fibrillation
Source: Journal of Nuclear Cardiology - April 26, 2022 Category: Nuclear Medicine Source Type: research

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