Rest positron emission tomography (PET) using Rubidium-82 (82 Rb) tracer has no absolute contraindications and provides rest myocardial perfusion imaging (MPI) in less than 15 minutes in absolute terms (milliliters·minute·gram), which extends the scope of conventional semi-quantitative SPECT. The time aspect combined with the possibility of ...

Objectives: The objective was to determine the prognostic value of rubidium-82 (82Rb) positron emission tomography (PET) myocardial perfusion imaging (MPI). Background: 82Rb PET MPI accurately diagnoses coronary artery disease (CAD). However, there are limited data evaluating its prognostic value. Methods: Follow-up (3.1 +/- 0.9 …

Introduction: Aim was to compare absolute myocardial perfusion using cardiac magnetic resonance imaging (CMRI) based on Tikhonov's procedure of deconvolution and rubidium-82 positron emission tomography (Rb-82 PET). Materials and methods: Fourteen patients with coronary artery stenosis underwent rest and adenosine stress imaging by 1.5-Tesla …

First Coast has identified positron emission tomography (PET) myocardial perfusion imaging (MPI) studies (CPT codes 78491 and 78492) and Rb-82 rubidium (HCPCS code A9555, used with MPI PET), as top claim denials for claims reviewed by the recovery audit contractor (RAC) during 2021. The main category of errors were for …

Serial Assessment of Coronary Flow Reserve by Rubidium-82 Positron Emission Tomography Predicts Mortality in Heart Transplant Recipients. JACC Cardiovasc Imaging. 2020; 13(1 pt 1):109–120. doi: 10.1016/j.jcmg.2018.08.025 Crossref Medline Google Scholar; 12. Guerraty MA, Rao HS, Anjan VY, Szapary H, Mankoff DA, Pryma DA, Rader …

Background Recent reports have demonstrated the clinical use of rubidium-82 chloride (Rb-82) in combination with positron emission tomography (PET) not only as a tracer of myocardial blood flow but also …

Objective Evaluate the impact of 82-Rubidium positron emission tomography (PET) myocardial perfusion imaging (MPI) availability on patient management presenting at the emergency department (ED) with chest pain (CP). Methods This is a single-center retrospective study of clinical databases. Patients presenting with CP with …

Background: We determined staff radiation dose during rest and stress rubidium 82 myocardial perfusion positron emission tomography (PET) imaging. Conclusions: Radiation doses for all tasks during routine Rb-82 stress-rest PET are lower than measured Tc-99m MIBI values. However, the radiation dose in close proximity to the patient during or …

Abstract. Cardiac positron emission tomography (PET) imaging has been used for more than 3 decades to study myocardial perfusion and metabolism, but for a majority of those years, confined to large academic and research centers with access to a cyclotron. With the advent of the generator-produced PET radionuclide Rubidium-82, PET myocardial ...

Positron emission tomography offers the ability to noninvasively assess regional myocardial perfusion in absolute terms (i.e., milliliters per gram per minute). ... Implementation and evaluation of a two-compartment model for quantification of myocardial perfusion with rubidium-82 and positron emission tomography Circ Res. 1992 Mar;70(3):496 ...

Positron emission tomography (PET) in combination with tracers of myocardial perfusion including nitrogen-13 ammonia, oxygen-15 water, or rubidium-82 chloride (Rb-82) and of myocardial metabolism such as carbon-11 acetate or fluorine-18 fluorodeoxyglucose (FDG) has been used as a sensitive imaging technique to assess …

Introduction. Caffeine is a nonselective competitive antagonist of the A 2A-adenosine receptor that mediates coronary vasodilation .However, the effect of interaction between caffeine and adenosine on myocardial blood flow is not clarified .Therefore, we investigated whether caffeine changed the quantitative flow measurements of adenosine stress …

Background: Determining infarct size and myocardial salvage in patients with ST-segment elevation myocardial infarction (STEMI) is important when assessing the efficacy of new reperfusion strategies. We investigated whether rest 82 Rb-PET myocardial perfusion imaging can estimate area at risk, final infarct size, and myocardial salvage index when …

Intended to describe basic principles for the general cardiologist, this review highlights the role of Rb-82 in PET myocardial perfusion imaging and provides an overview of its …

Myocardial perfusion imaging by positron emission tomography (PET) supplies a very high resolution of myocardial perfusion imaging. Infusion of Rubidium-82 results in high sensitivity and specificity ... Rubidium-82 is a potassium analog and behaves in vivo much as thallium-201 does. Its extraction fraction is about 50% to 60% at rest.

The role of rubidium-82 (Rb-82) positron emission tomography (PET) in the evaluation and care of patients with suspected coronary artery disease is evolving in conjunction with advances in PET instrumentation, data analysis, and clinical research. Instrumentation developments such as three-dimension …

Dipyridamole-stress and rest rubidium-82 positron emission tomography-computed tomography (PET-CT) images in corresponding short-axis (top), vertical long-axis (middle), and horizontal long-axis (bottom)slices in a 55-year-old woman with atypical chest pain (height 5'5", weight 205 lbs, body mass index = 34).

Rb-82 positron emission tomography (PET) myocardial perfusion imaging (MPI) is a robust tool for the evaluation for coronary artery disease (CAD), and has very good sensitivity and specificity.1,2 However, gastric uptake and spillover in Rb-82 PET studies can be extensive and may affect the image quality and diagnostic accuracy. …

emission tomography Rubidium-82 a b s t r a c t Introduction: Aim was to compare absolute myocardial perfusion using cardiac magnetic resonance

Prognostic value of Rb-82 positron emission tomography myocardial perfusion imaging in coronary artery bypass patients Eur Heart J Cardiovasc Imaging. 2014 Jul;15(7):787-92. doi: 10.1093/ehjci/jet259. ... Rubidium Radioisotopes* Survival Rate Treatment Outcome ...

Adenosine stress rubidium-82 PET/computed tomography in patients with known and suspected coronary artery disease Nucl Med Commun. 2008 Aug;29 ... Integrated positron emission tomography/computed tomography (PET/CT) is increasingly being utilized for myocardial perfusion imaging (MPI). However, there is a potential for increased imaging ...

Myocardial perfusion scintigraphy using rubidium-82 positron emission tomography Br Med Bull. 2013;107:87-100. doi: 10.1093/bmb/ldt026. Epub 2013 Aug 21. Authors ... Because of the wealth of prognostic data, MPS single photon emission computed tomography (SPECT) is the most commonly used functional test to detect inducible ischaemia. …

Rubidium-82 has a long story, starting in 1954. After preclinical studies in dogs showing that myocardial uptake of this radionuclide was directly proportional to myocardial blood flow (MBF), clinical studies were performed in the 80s leading to an approval in the USA in 1989. From that time, thousands of patients have been tested and their results have been …

Impaired Myocardial Flow Reserve on Rubidium-82 Positron Emission Tomography Imaging Predicts Adverse Outcomes in Patients Assessed for Myocardial Ischemia. ... Among available validated PET tracers for flow quantification, rubidium-82 (82 Rb) has the most potential for broad clinical application. It is more widely available in …

positron emission tomography; myocardial perfusion imaging; 82 Rb; transient ischemic dilation; PET using 82 Rb is becoming a more widespread and attractive alternative to SPECT for myocardial perfusion imaging (1,2), not only because of the persistent shortage of 99m Tc but also because of its superior diagnostic value for …

The role of rubidium-82 (Rb-82) positron emission tomography (PET) in the evaluation and care of patients with suspected coronary artery disease is evolving in conjunction …

Scan with Rubidium-82 Rubidium-82( Rb-82) Rubidium-82 is a positron emitting radiotracer with a physical half-life of 75 seconds. It is administered into the human body intravenously. Following intravenous administration, Rb-82 is an analog to potassium and rapidly taken up by heart muscle. In human studies, Rb-82 activity was noted in the ...

However, the increasing availability of positron emission tomography (PET) scanners for oncology along with the introduction of the generator-produced PET tracer …

Background: Prognostic value of positron emission tomography (PET) myocardial perfusion imaging (MPI) is well established. There is paucity of data on how the prognostic value of PET relates to the hemodynamic response to vasodilator stress. ... Using a multicenter rubidium (Rb)-82 PET registry, 3406 patients who underwent a clinically ...

Rubidium-82 (82 Rb) is a generator-produced PET myocardial perfusion tracer and has been widely used in North America in clinical practice. 82 Rb PET has recently become …