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Coronary artery calcifications and 6-month mortality in patients with COVID-19 without known atheromatous disease
CONCLUSIONS: Non-electrocardiogram-gated computed tomography during the initial pulmonary assessment of patients with COVID-19 without atherosclerotic cardiovascular disease showed a high prevalence of mild, moderate and heavy CAC. CAC score was related to 6-month mortality, independent of conventional cardiovascular risk factors. These results highlight the importance of CAC scoring for patients hospitalized with COVID-19, and calls for attention to patients with high CAC.PMID:35305915 | DOI:10.1016/j.acvd.2022.02.007
Source: Archives of Cardiovascular Diseases - March 20, 2022 Category: Cardiology Authors: Anne-Sophie Le Hir Antoine Fayol Elie Mousseaux Nicolas Danchin Victoria Tea Chekrallah Chamandi Gilles Soulat Etienne Puymirat Source Type: research

Thoracic Aortic < sup > 18 < /sup > F-Sodium Fluoride Activity and Ischemic Stroke in Patients With Established Cardiovascular Disease
CONCLUSIONS: In patients with established cardiovascular disease, thoracic aortic 18F-sodium fluoride activity is associated with the progression of atherosclerosis and future ischemic stroke. Arterial 18F-sodium fluoride activity identifies localized areas of atherosclerotic disease activity that are directly linked to disease progression and downstream regional clinical atherothrombotic events. (DIAMOND - Dual Antiplatelet Therapy to Reduce Myocardial Injury [DIAMOND], NCT02110303; Study Investigating the Effect of Drugs Used to Treat Osteoporosis on the Progression of Calcific Aortic Stenosis [SALTIRE II], NCT02132026; ...
Source: Atherosclerosis - February 20, 2022 Category: Cardiology Authors: Alexander J Fletcher Yong Y Tew Evangelos Tzolos Shruti S Joshi Jakub Kaczynski Jennifer Nash Samuel Debono Maria Lembo Jacek Kwiecinski Rong Bing Maaz B J Syed Mhairi K Doris Edwin J R van Beek Alistair J Moss William S Jenkins Niki L Walker Nikhil V Jos Source Type: research

Association Between 18-FDG Positron Emission Tomography and MRI Biomarkers of Plaque Vulnerability in Patients With Symptomatic Carotid Stenosis
Conclusion: This study demonstrated novel correlations of non-invasive imaging biomarkers of inflammation-related plaque metabolism with morphological MRI markers of plaque instability. If replicated, our findings may support the application of combined MRI and PET to detect vulnerable plaque in future clinical practise and randomised trials.
Source: Frontiers in Neurology - December 23, 2021 Category: Neurology Source Type: research

Diagnostic reference levels and median doses for common clinical indications of CT: findings from an international registry
ConclusionsDRLs for CTDIvol and DLP for EUCLID clinical indications from diverse organizations were established and can contribute to dose optimization. These values were usually significantly higher in the US than in Europe.Key Points•Registry data were used to create benchmarks for 10 common indications for CT identified by the European Society of Radiology.•Observed US radiation doses were higher than European for 9 of 10 indications (except chronic sinusitis).•The presented diagnostic reference levels and median doses highlight potentially unnecessary variation in radiation dose.
Source: European Radiology - October 13, 2021 Category: Radiology Source Type: research

Case report of nuclear medicine, bone scan imaging on a patient with heat stroke induced rhabdomyolysis
J Nucl Med Technol. 2021 Jul 30:jnmt.121.262501. doi: 10.2967/jnmt.121.262501. Online ahead of print.ABSTRACTBone scan continues to be the second greatest-volume nuclear imaging procedure, offering the advantage of total body examination, low cost, and high sensitivity not only for metastatic lesions but also benign conditions. Its power rests in the physiological uptake and pathophysiologic behavior of 99m technetium (99m-Tc) diphosphonates. 1 The localization of radiotracers in damaged skeletal muscles is because calcium builds up in them and provides a site for radiotracer deposition when combined with phosphate.1 In ca...
Source: Journal of Nuclear Medicine Technology - July 31, 2021 Category: Nuclear Medicine Authors: Jitesh Dhingra Yoram Baum Source Type: research

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