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Academic Journal

Imaging Findings of SARS-CoV-2 Infection in Pediatrics: A Systematic Review of Coronavirus Disease 2019 (COVID-19) in 850 Patients

  • Source: In Academic Radiology November 2020 27(11):1608-1621

  • Abstract: Rationale and objectives Children with COVID-19 seem to have a relatively milder disease and better prognosis; however, severe disease or death ... Results A total of 39 studies with 850 pediatric patients were reviewed. 225 (26.5%) of patients had normal CT findings. Ground-glass opacities and consolidations were the most common CT ... Conclusion Our study showed that imaging findings in children were often milder and more focal than adults, typically as ground-glass opacities and consolidations with unilateral ...

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Academic Journal

Imaging Volume Trends and Recovery During the COVID-19 Pandemic: A Comparative Analysis Between a Large Urban Academic Hospital and Its Affiliated Imaging Centers

  • Source: In Academic Radiology October 2020 27(10):1353-1362

  • Abstract: Rationale and Objectives While affiliated imaging centers play an important role in healthcare systems, little is known of how their operations are impacted by the Results Imaging volume began to decrease on March 11, 2020, after hospital policy to delay nonessential studies. The average weekly imaging volume during the post-SOE period declined ... Conclusion Affiliated imaging center volume decreased to a greater degree than the main hospital campus and showed a slower rate of recovery. Furthermore, the trend ...

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Academic Journal

Correlation Between Low-Dose Chest Computed Tomography and RT-PCR Results for the Diagnosis of COVID-19: A Report of 27,824 Cases in Tehran, Iran

  • Source: In Academic Radiology January 2020

  • Abstract: Rationale and Objectives Real-time polymerase chain reaction (RT-PCR) remains the gold standard for confirmation of Coronavirus Disease 2019 (COVID-19Results A strong positive correlation between the numbers of daily positive CT scans and daily PCR-confirmed COVID-19 cases (r = 0.913, p < 0.001) was ... Conclusion Low-dose chest CT is a safe, rapid and reliable alternative to RT-PCR for the diagnosis of COVID-19 in high-prevalence regions. ...

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Academic Journal

Chest Radiographs and CTs in the Era of COVID-19: Indications, Operational Safety Considerations and Alternative Imaging Practices

  • Source: In Academic Radiology September 2020 27(9):1193-1203

  • Abstract: Coronavirus disease-19 (COVID-19) is a pathogen that has shown an ability for sustained community transmission. To ensure ...

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Academic Journal

Imaging Features of Pediatric COVID-19 on Chest Radiography and Chest CT: A Retrospective, Single-Center Study

  • Source: In Academic Radiology January 2020

  • Abstract: Rationale and Objectives This study aims to reveal the imaging features of Coronavirus Disease 2019 (COVID-19) in children.Results Right-sided (3/69, 4.3%) or bilateral (3/69, 4.3%) ground-glass opacities without significant difference in age groups were depicted as radiographic findings related to COVID-19 in ... Conclusion Unilateral or bilateral distributed ground-glass opacities often associated with feeding vessel sign, halo sign, and pleural thickening on chest CT without significant differences between ...

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Academic Journal

Thorax Magnetic Resonance Imaging Findings in Patients with Coronavirus Disease (COVID-19)

  • Source: In Academic Radiology October 2020 27(10):1373-1378

  • Abstract: Rationale and Objectives The aim of this study was to compare the findings found in thorax computed tomography (CT), which is increasingly used in the ... Results Seventeen of the patients were female (53%) and 15 were male (47%). The mean age of the patients was 60.5 (range, 20–85) years. A total of 31 patients (96%) had signs ... Conclusion Although thorax CT is widely used in the imaging of COVID-19 infection, due to its advantages, MRI can also be ...

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Academic Journal

CT Quantification and Machine-learning Models for Assessment of Disease Severity and Prognosis of COVID-19 Patients

  • Source: In Academic Radiology December 2020 27(12):1665-1678

  • Abstract: Objective This study was to investigate the CT quantification of COVID-19 pneumonia and its impacts on the assessment of disease severity ... Results Patients were classified into three groups of disease severity: moderate (n = 25), severe (n = 47) and critical (n = 27), according to the clinical staging. Of which, a ... Conclusion CT quantification and machine-learning models show great potentials for assisting decision-making in the management of COVID-19 patients by assessing disease ...

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Academic Journal

Assessment of Small Pulmonary Blood Vessels in COVID-19 Patients Using HRCT

  • Source: In Academic Radiology October 2020 27(10):1449-1455

  • Abstract: Rationale and Objectives Mounting evidence supports the role of pulmonary hemodynamic alternations in the pathogenesis of COVID-19. Previous studies have demonstrated ... Results Compared to healthy volunteers, COVID-19 patients showed significant reduction in BV5 (pulmonary blood volume contained in blood vessels of Conclusion COVID-19 patients display striking anomalies in the distribution of blood volume within the pulmonary vascular tree, consistent with increased pulmonary ...

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Academic Journal

COVID-19 Pandemic Impact on Decreased Imaging Utilization: A Single Institutional Experience

  • Source: In Academic Radiology September 2020 27(9):1204-1213

  • Abstract: Rationale and Objectives Predictive models and anecdotal articles suggest radiology practices were losing 50%-70% of their normal imaging volume during the COVID-19Results System-wide imaging volume decreased by 55% between April 7 and 13, 2020. Outpatient exams decreased by 68% relative to normal practice. Emergency exams decreased by 48% and inpatient exams declined ... Conclusion The trends and magnitude of the actual imaging utilization data presented will help inform evidence-based decisions for more accurate volume predictions, policy changes, and ...

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Academic Journal

COVID-19 Impact on Well-Being and Education in Radiology Residencies: A Survey of the Association of Program Directors in Radiology

  • Source: In Academic Radiology August 2020 27(8):1162-1172

  • Abstract: Rationale and Objectives The COVID-19 pandemic has forced rapid evolution of the healthcare environment. Efforts to mitigate the spread of the ... Results Respondents felt the COVID-19 pandemic has negatively impacted their residency programs. Regarding the educational mission impact, 70.1% (75/107) report moderate/marked negative ... Conclusion The COVID-19 pandemic has markedly impacted the perceived well-being and educational missions of radiology residency programs across the United States.

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