Long-COVID patients show signs of inflammation on PET/ MRI scans: Study
Long-COVID patients show signs of inflammation on PET/ MRI scans suggests a new study published in the Jouenal of Nuclear Medicine.
The objective of this study is to describe the prevalence of inflammatory cardiopulmonary findings in a prospective cohort of long coronavirus disease (LC) patients. Methods: Subjects with a history of coronavirus disease 2019 infection, persistent cardiopulmonary symptoms 9–12 mo after initial infection, and a clinical assessment compatible with LC underwent cardiopulmonary 18F-FDG PET/MRI, dual-energy CT (DECT) of the lungs, and plasma protein analysis (subgroup).
A control group that included subjects with a history of acute severe acute respiratory syndrome coronavirus 2 infection but without cardiopulmonary symptoms at recruitment was also characterized. Results: Ninety-eight patients (median age, 48.5 y; 47% men) were enrolled.
The most common LC symptom was shortness of breath (80%), and 27% of participants were hospitalized. Of the subjects, 90% presented abnormalities in DECT, with 67% and 59% of participants demonstrating pulmonary infiltrates and abnormal perfusion, respectively. PET/MRI was abnormal for 57% of subjects: 24% showed cardiac involvement suggestive of myocarditis, 22% presented uptake reminiscent of pericarditis, 11% showed periannular uptake, and 30% showed vascular uptake (aortic or pulmonary).
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