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Specialty: Nuclear Medicine
Procedure: SPECT

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Total 25 results found since Jan 2013.

The prognostic value of CZT SPECT myocardial blood flow (MBF) quantification in patients with ischemia and no obstructive coronary artery disease (INOCA): a pilot study
ConclusionThe preliminary results demonstrated that quantitative analysis on CZT SPECT provides prognostic value for INOCA patients, which may allow the stratification for early prevention and intervention.
Source: European Journal of Nuclear Medicine and Molecular Imaging - February 14, 2023 Category: Nuclear Medicine Source Type: research

Prognostic value of combined coronary angiography-derived IMR and myocardial perfusion imaging by CZT SPECT in INOCA
ConclusioncaIMR-derived CMD is associated with increased risk of MACE among INOCA patients. Patients with abnormalities on both caIMR and MPI had the worse outcomes.Graphical abstract
Source: Journal of Nuclear Cardiology - August 2, 2022 Category: Nuclear Medicine Source Type: research

Echocardiographic indices of left ventricular function and filling pressure are not related to blood pool activity on pyrophosphate scintigraphy
ConclusionApproximately 8% of patients with a negative PYP SPECT have significant blood pool activity. Measures of cardiac function are not different among those with and without blood pool activity. PYP SPECT should be routinely performed in all patients to avoid false image interpretation.
Source: Journal of Nuclear Cardiology - May 16, 2022 Category: Nuclear Medicine Source Type: research

60 Years of Achievements by KSNM in Neuroimaging Research
AbstractNuclear medicine neuroimaging is able to show functional and molecular biologic abnormalities in various neuropsychiatric diseases. Therefore, it has played important roles in the clinical diagnosis and in research on the normal and pathological states of the brain. More than 400 outstanding studies have been conducted by Korean researchers over the past 60  years. In the 1990s, when multiheaded single-photon emission computed tomography (SPECT) scanners were first introduced in South Korea, stroke research using brain perfusion SPECT was conducted. With the spread of positron emission tomography (PET) scanners in...
Source: Nuclear Medicine and Molecular Imaging - January 15, 2022 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

Conventional and molecular imaging in sickle cell disease
Conclusions: Central nervous system: About 25% of SCD patients are affected by vascular involvement of central nervous system. CT scan has been used to detect cerebral infarction. Subclinical cranial MRI lesions yield important predictive values as a risk factor of stroke, even when detected in asymptomatic patients. SPECT is a useful technique for early detection of deficits in cerebral perfusion in patients with SCD. Decreases in cerebral perfusions may lead to silent infarction, stroke, or neurocognitive diseases. PET may improve sensitivity in detection of impaired metabolism in the area surrounding a major vessel infa...
Source: Journal of Nuclear Medicine - May 18, 2021 Category: Nuclear Medicine Authors: Taghvaei, R., Sirous, R., Raynor, W., Amanullah, A., Werner, T., Revheim, M.-E., Hoilund-Carlsen, P. F., Alavi, A. Tags: General Clinical Specialties 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

Value of SPECT/CT over planar imaging during Tc-99m MDP triple phase bone scintigraphy for detection of osteomyelitis in patients with stage IV pressure ulcers
Conclusion: SPECT/CT imaging has a significant added diagnostic value over planar imaging in accurately detecting osseous involvement with stage IV pressure ulcers. It significantly reduced equivocal results by accurate uptake localization, reducing false positive results due to other associated pathologies and reducing false negative results due to overlap by other structures or difficult patient positioning.
Source: Journal of Nuclear Medicine - May 14, 2020 Category: Nuclear Medicine Authors: Nasr, H., Alfawzan, T., Alqarni, A., Farghaly, H. Tags: Infection/Pulmonary/Outcomes (Poster Session) Source Type: research

Current and novel radiopharmaceuticals for imaging cardiovascular inflammation.
Authors: Heo GS, Sultan D, Liu Y Abstract Cardiovascular disease (CVD) remains the leading cause of death worldwide despite advances in diagnostic technologies and treatment strategies. The underlying cause of most CVD is atherosclerosis, a chronic disease driven by inflammatory reactions. Atherosclerotic plaque rupture could cause arterial occlusion leading to ischemic tissue injuries such as myocardial infarction (MI) and stroke. Clinically, most imaging modalities are based on anatomy and provide limited information about the on-going molecular activities affecting the vulnerability of atherosclerotic lesion for...
Source: Quarterly Journal of Nuclear Medicine and Molecular Imaging - February 22, 2020 Category: Nuclear Medicine Tags: Q J Nucl Med Mol Imaging Source Type: research

Clinical imaging of cardiovascular inflammation.
Authors: Calcagno C, Fayad ZA Abstract Cardiovascular disease due to atherosclerosis is the number one cause of morbidity and mortality worldwide. In the past twenty years, compelling preclinical and clinical data have indicated that a maladaptive inflammatory response plays a crucial role in the development of atherosclerosis initiation and progression in the vasculature, all the way to the onset of life-threatening cardiovascular events. Furthermore, inflammation is key to heart and brain damage and healing after myocardial infarction or stroke. Recent evidence indicates that this interplay between the vasculatur...
Source: Quarterly Journal of Nuclear Medicine and Molecular Imaging - February 22, 2020 Category: Nuclear Medicine Tags: Q J Nucl Med Mol Imaging Source Type: research

Super-early images of brain perfusion SPECT using 123 I-IMP for the assessment of hyperperfusion in stroke patients
ConclusionsThe addition of super-early imaging to the conventional early imaging aids assessment of postischemic hyperperfusion by123I-IMP brain perfusion SPECT and may contribute to management of stroke patients in the era of reperfusion therapy.
Source: Annals of Nuclear Medicine - September 1, 2018 Category: Nuclear Medicine Source Type: research

Imaging of Blood-Brain Barrier Disruption by Tc-99m-Tilmanocept Molecular Imaging of a Rodent Model of Traumatic Brain Injury
Conclusions: These results are consistent with the hypothesis that microglial cells bearing CD206 trap fluorescent-labeled Tc-99m-tilmanocept in regions of BBB disruption. This provides the motivation for a clinical trial of intra-venously administered Tc-99m-tilmanocept with the goal of developing a SPECT/CT protocol for the detection of neuro-inflammation.
Source: Journal of Nuclear Medicine - May 23, 2018 Category: Nuclear Medicine Authors: Vera, D., Barback, C., Wang, S., Head, B., Hoh, C. Tags: Basic Science II Source Type: research