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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Ultrasound+Med+Biol 2020 ; 46 (11): 2938-2944 Nephropedia Template TP
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Lung Ultrasound Score in Evaluating the Severity of Coronavirus Disease 2019 (COVID-19) Pneumonia #MMPMID32828577
Zhao L; Yu K; Zhao Q; Tian R; Xie H; Xie L; Deng P; Xie G; Bao A; Du J
Ultrasound Med Biol 2020[Nov]; 46 (11): 2938-2944 PMID32828577show ga
The purpose of this study is to observe the potential of lung ultrasound in evaluating the severity of coronavirus disease 2019 (COVID-19) pneumonia. Lung ultrasound was performed in ten zones of the patients' chest walls. The features of the ultrasound images were observed, and a lung ultrasound score (LUS) was recorded. The ultrasound features and scores were compared between the refractory group (PaO(2)/FiO(2) = 100 mm Hg or on extracorporeal membrane oxygenation) and the non-refractory group. The prediction value of the LUS was studied by receiver operating characteristic (ROC) curve analysis. In total, 7 patients were enrolled in the refractory group and 28 in the non-refractory group. B-line patterns and shred signs were the most common signs in all patients. Patients in the refractory group had significantly more ground-glass signs (median 6 [interquartile range IQR, 2.5-6.5] vs. median 0 [IQR, 0-3]), consolidation signs (median 1 [IQR, 1-1.5] vs. median 0 [IQR, 0-3]) and pleural effusions (median 5 [IQR, 1.5-6] vs. median 0 [IQR, 0-0.25]). The LUS was significantly higher in the refractory group (33.00 [IQR 27.50-34.00] vs. 25.50 [IQR 22.75-30.00]). The ROC of the LUS showed a cutoff score of 32 with a specificity of 0.893 and a sensitivity of 0.571 in diagnosing refractory respiratory failure among patients. In COVID-19 patients, lung ultrasound is a promising diagnostic tool in diagnosing patients with refractory pneumonia.