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The association of lung ultrasound images with COVID-19 infection in an emergency room cohort.
Bar, S; Lecourtois, A; Diouf, M; Goldberg, E; Bourbon, C; Arnaud, E; Domisse, L; Dupont, H; Gosset, P.
  • Bar S; Anaesthesiology and Critical Care Department, Amiens University Hospital, Amiens, France.
  • Lecourtois A; Emergency Medicine Department, Amiens University Hospital, Amiens, France.
  • Diouf M; Amiens University Hospital, Amiens, France.
  • Goldberg E; Anaesthesiology and Critical Care Department, Amiens University Hospital, Amiens, France.
  • Bourbon C; Emergency Medicine Department, Amiens University Hospital, Amiens, France.
  • Arnaud E; Emergency Medicine Department, Amiens University Hospital, Amiens, France.
  • Domisse L; Emergency Medicine Department, Amiens University Hospital, Amiens, France.
  • Dupont H; Anaesthesiology and Critical Care Department, Amiens University Hospital, Amiens, France.
  • Gosset P; Emergency Medicine Department, Amiens University Hospital, Amiens, France.
Anaesthesia ; 75(12): 1620-1625, 2020 12.
Article in English | MEDLINE | ID: covidwho-592486
ABSTRACT
Lung ultrasound could facilitate the triage of patients with suspected COVID-19 infection admitted to the emergency room. We developed a predictive model for COVID-19 diagnosis based on lung ultrasound and clinical features. We used ultrasound to image the lung bilaterally at two anterior sites, one and two hands below each clavicle, and a posterolateral site that was the posterior transverse continuation from the lower anterior site. We studied 100 patients, 31 of whom had a COVID-19 positive reverse transcriptase polymerase chain reaction. A positive test was independently associated with quick sequential organ failure assessment score ≥1; ≥3 B-lines at the upper site; consolidation and thickened pleura at the lower site; and thickened pleura line at the posterolateral site. The model discrimination was an area (95%CI) under the receiver operating characteristic curve of 0.82 (0.75-0.90). The characteristics (95%CI) of the model's diagnostic threshold, applied to the population from which it was derived, were sensitivity, 97% (83-100%); specificity, 62% (50-74%); positive predictive value, 54% (41-98%); and negative predictive value, 98% (88-99%). This model may facilitate triage of patients with suspected COVID-19 infection admitted to the emergency room.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Emergency Service, Hospital / Lung Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: English Journal: Anaesthesia Year: 2020 Document Type: Article Affiliation country: Anae.15175

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Emergency Service, Hospital / Lung Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: English Journal: Anaesthesia Year: 2020 Document Type: Article Affiliation country: Anae.15175