Author: Garcia-Gordillo, José Antonio; Camiro-Zúñiga, Antonio; Aguilar-Soto, Mercedes; Cuenca, Dalia; Cadena-Fernández, Arturo; Khouri, Latife Salame; Rayek, Jesica Naanous; Mercado, Moises
Title: COVID-IRS: A novel predictive score for risk of invasive mechanical ventilation in patients with COVID-19 Cord-id: 8h8jhzgg Document date: 2021_4_5
ID: 8h8jhzgg
Snippet: BACKGROUND: Coronavirus disease 2019 (COVID-19) is a systemic disease that can rapidly progress into acute respiratory failure and death. Timely identification of these patients is crucial for a proper administration of health-care resources. OBJECTIVE: To develop a predictive score that estimates the risk of invasive mechanical ventilation (IMV) among patients with COVID-19. STUDY DESIGN: Retrospective cohort study of 401 COVID-19 patients diagnosed from March 12, to August 10, 2020. The score
Document: BACKGROUND: Coronavirus disease 2019 (COVID-19) is a systemic disease that can rapidly progress into acute respiratory failure and death. Timely identification of these patients is crucial for a proper administration of health-care resources. OBJECTIVE: To develop a predictive score that estimates the risk of invasive mechanical ventilation (IMV) among patients with COVID-19. STUDY DESIGN: Retrospective cohort study of 401 COVID-19 patients diagnosed from March 12, to August 10, 2020. The score development cohort comprised 211 patients (52.62% of total sample) whereas the validation cohort included 190 patients (47.38% of total sample). We divided participants according to the need of invasive mechanical ventilation (IMV) and looked for potential predictive variables. RESULTS: We developed two predictive scores, one based on Interleukin-6 (IL-6) and the other one on the Neutrophil/Lymphocyte ratio (NLR), using the following variables: respiratory rate, SpO2/FiO2 ratio and lactic dehydrogenase (LDH). The area under the curve (AUC) in the development cohort was 0.877 (0.823–0.931) using the NLR based score and 0.891 (0.843–0.939) using the IL-6 based score. When compared with other similar scores developed for the prediction of adverse outcomes in COVID-19, the COVID-IRS scores proved to be superior in the prediction of IMV. CONCLUSION: The COVID-IRS scores accurately predict the need for mechanical ventilation in COVID-19 patients using readily available variables taken upon admission. More studies testing the applicability of COVID-IRS in other centers and populations, as well as its performance as a triage tool for COVID-19 patients are needed.
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