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Predictive Score for Pulmonary Ultrasound and Factors Associated to Mortality and Hospitalization during the Covid-19 Pandemic

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Open Journal of Emergency Medicine 2022年第4期10卷 210-219页

作者： Leandro Seoane Adrian Ruggiero Anabela Martinelli Cristian Noriega Martin Diana Menendez Marcelo Rodriguez natalia cano Lourdes Posadas Hospital Universitario Austral Pilar Argentina Hospital Italiano de Buenos Aires Buenos Aires Argentina

Pulmonary ultrasound is a non-invasive bedside resource that has showed to be useful for the assessment of patients presenting with respiratory insufficiency as well as the diagnosis of several pleural and other pulmonary pathologies. The pulmonary ultrasound score (LUS) is a semi quantitative scale that measures the loss of pulmonary aeration cause by many pathologic conditions. Our primary objective was to describe factors associated to death and hospitalization in patients aged 16 or older that were admitted to the emergency department (ED) with signs or symptoms of COVID-19 infection through the diagnosis of viral pneumonia with pulmonary ultrasound (PU). It was a cohort retrospective study through a one-year period. Emergency physicians performed lung ultrasounds and calculated LUS. Results: 672 patients suspected of COVID-19 infection with a PU finding of viral pneumonia were included. 495 patients had a positive COVID-19 PCR test, 73.6% of the population. 258 patients presented with high probability of COVID-19 pneumonia following the patterns in PU. 55% were male with a median age of 45 years old. The average LUS score at admission was 8. Global hospitalization rate was 51.5%, 7.5% were admitted to the ICU. Patients with a LUS > 10 had a mortality of 6%, and patients admitted to the ICU had a 50% mortality rate. They presented with an average LUS score at admission of 15.2. Conclusions: LUS was a good predictor of death, hospitalization to general ward or ICU of patients with COVID-19 admitted from the emergency department.

关键词： Pulmonary Ultrasound COVID-19 Pulmonary Ultrasound Score Emergency Physicians Viral Pneumonia

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