Objectives Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can generate severe pneumonia associated with high mortality. A bedside lung ultrasound (LUS) examination has been shown to have a potential role in this setting. The purpose of this study was to evaluate the potential prognostic value of a new LUS protocol (evaluation of 14 anatomic landmarks, with graded scores of 0–3) in patients with SARS-CoV-2 pneumonia and the association of LUS patterns with clinical or laboratory findings. Methods A cohort of 52 consecutive patients with laboratory-confirmed SARS-CoV-2 underwent LUS examinations on admission in an internal medicine ward and before their discharge. A total LUS score as the sum of the scores at each explored area was computed. We investigated the association between the LUS score and clinical worsening, defined as a combination of high-flow oxygen support, intensive care unit admission, or 30-day mortality as the primary end point. Results Twenty (39%) patients showed a worse outcome during the observation period; the mean LUS scores ± SDs were 20.4 ± 8.5 and 29.2 ± 7.3 in patients without and with worsening, respectively (P < .001). In a multivariable analysis, adjusted for comorbidities (>2), age (>65 years), sex (male), and body mass index (≥25 kg/m2), the association between the LUS score and worsening (odds ratio, 1.17; 95% confidence interval, 1.05 to 1.29; P = .003) was confirmed, with good discrimination of the model (area under the receiver operating characteristic curve, 0.82). A median LUS score higher than 24 was associated with an almost 6-fold increase in the odds of worsening (odds ratio, 5.67; 95% confidence interval, 1.29 to 24.8; P = .021). Conclusions Lung ultrasound can represent an effective tool for monitoring and stratifying the prognosis of patients with SARS-CoV-2 pulmonary involvement.

A New Lung Ultrasound Protocol Able to Predict Worsening in Patients Affected by Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia / Perrone, Tiziano; Soldati, Gino; Padovini, Lucia; Fiengo, Anna; Lettieri, Gianluca; Sabatini, Umberto; Gori, Giulia; Lepore, Federica; Garolfi, Matteo; Palumbo, Ilaria; Inchingolo, Riccardo; Smargiassi, Andrea; Demi, Libertario; Mossolani, Elisa Eleonora; Tursi, Francesco; Klersy, Catherine; Di Sabatino, Antonio. - In: JOURNAL OF ULTRASOUND IN MEDICINE. - ISSN 0278-4297. - 2021/40:8(2021), pp. 1627-1635. [10.1002/jum.15548]

A New Lung Ultrasound Protocol Able to Predict Worsening in Patients Affected by Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia

Demi, Libertario;
2021-01-01

Abstract

Objectives Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can generate severe pneumonia associated with high mortality. A bedside lung ultrasound (LUS) examination has been shown to have a potential role in this setting. The purpose of this study was to evaluate the potential prognostic value of a new LUS protocol (evaluation of 14 anatomic landmarks, with graded scores of 0–3) in patients with SARS-CoV-2 pneumonia and the association of LUS patterns with clinical or laboratory findings. Methods A cohort of 52 consecutive patients with laboratory-confirmed SARS-CoV-2 underwent LUS examinations on admission in an internal medicine ward and before their discharge. A total LUS score as the sum of the scores at each explored area was computed. We investigated the association between the LUS score and clinical worsening, defined as a combination of high-flow oxygen support, intensive care unit admission, or 30-day mortality as the primary end point. Results Twenty (39%) patients showed a worse outcome during the observation period; the mean LUS scores ± SDs were 20.4 ± 8.5 and 29.2 ± 7.3 in patients without and with worsening, respectively (P < .001). In a multivariable analysis, adjusted for comorbidities (>2), age (>65 years), sex (male), and body mass index (≥25 kg/m2), the association between the LUS score and worsening (odds ratio, 1.17; 95% confidence interval, 1.05 to 1.29; P = .003) was confirmed, with good discrimination of the model (area under the receiver operating characteristic curve, 0.82). A median LUS score higher than 24 was associated with an almost 6-fold increase in the odds of worsening (odds ratio, 5.67; 95% confidence interval, 1.29 to 24.8; P = .021). Conclusions Lung ultrasound can represent an effective tool for monitoring and stratifying the prognosis of patients with SARS-CoV-2 pulmonary involvement.
2021
8
Perrone, Tiziano; Soldati, Gino; Padovini, Lucia; Fiengo, Anna; Lettieri, Gianluca; Sabatini, Umberto; Gori, Giulia; Lepore, Federica; Garolfi, Matteo; Palumbo, Ilaria; Inchingolo, Riccardo; Smargiassi, Andrea; Demi, Libertario; Mossolani, Elisa Eleonora; Tursi, Francesco; Klersy, Catherine; Di Sabatino, Antonio
A New Lung Ultrasound Protocol Able to Predict Worsening in Patients Affected by Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia / Perrone, Tiziano; Soldati, Gino; Padovini, Lucia; Fiengo, Anna; Lettieri, Gianluca; Sabatini, Umberto; Gori, Giulia; Lepore, Federica; Garolfi, Matteo; Palumbo, Ilaria; Inchingolo, Riccardo; Smargiassi, Andrea; Demi, Libertario; Mossolani, Elisa Eleonora; Tursi, Francesco; Klersy, Catherine; Di Sabatino, Antonio. - In: JOURNAL OF ULTRASOUND IN MEDICINE. - ISSN 0278-4297. - 2021/40:8(2021), pp. 1627-1635. [10.1002/jum.15548]
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