Published December 3, 2020 as 10.3174/ajnr.A6940 LETTERS A Comparison of Chest Radiograph and CTA Apical Pulmonary Findings in Patients Presenting with Suspected Acute Stroke during the COVID-19 Pandemic n conjunction with our recently published article entitled interrater reliability among the 4 neuroradiologist raters was “sub- I“COVID-19 Stroke Apical Lung Examination Study: A stantial” across the study (Fleiss k ¼ 0.73; 95% CI, 0.62–0.84). Diagnostic and Prognostic Imaging Biomarker in Suspected Shown to be reliable, we then determined the diagnostic accuracy Acute Stroke,” the authors are pleased to also report our sup- of this chest radiograph imaging biomarker for Severe Acute plementary findings related to chest radiographs. Respiratory Syndrome coronavirus 2 (SARS-CoV-2) using the In our search for relevant diagnostic biomarkers within the reverse transcriptase polymerase chain reaction (RT-PCR) test as lung apices on CTA performed in patients presenting with acute the reference standard (Table). Fifty-nine patients had both SARS- stroke, we also determined whether the chest radiograph is a reli- CoV-2 RT-PCR results and a chest radiograph. All measures of able diagnostic imaging biomarker and how it compared with diagnostic accuracy of the chest radiograph were inferior to our CTA-derived reliable diagnostic imaging biomarkers. selected CTA-derived reliable diagnostic imaging
American Journal of Neuroradiology – American Journal of Neuroradiology
Published: Dec 3, 2020
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