Response of patients with acute respiratory failure caused by COVID-19 to awake-prone position outside the intensive care unit based on pulmonary involvement.

Autor:	Silva Junior JM; Departamento de Anestesia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR.; Programa de Pos-Doutorado em Anestesiologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Treml RE; Department of Anesthesia, Critical Care and Pain Medicine, University of Jena, Jena, Germany., Golinelli PC; Departamento de Enfermagem, Hospital do Servidor Publico Estadual (IAMPSE), Sao Paulo, SP, BR., Segundo MRMG; Programa de Pos-Doutorado em Anestesiologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Menezes PFL; Departamento de Anestesia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR.; Programa de Pos-Doutorado em Anestesiologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Umada JDA; Departamento de Enfermagem, Hospital do Servidor Publico Estadual (IAMPSE), Sao Paulo, SP, BR., Alves APS; 11 Health Care Services, Sao Paulo, SP, BR., Nabeshima RP; Departamento de Anestesia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Carvalho ADS; Programa de Pos-Doutorado em Anestesiologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Pereira TS; Departamento de Anestesia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR.; Programa de Pos-Doutorado em Anestesiologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, BR., Sponton ES; Departamento de Enfermagem, Hospital do Servidor Publico Estadual (IAMPSE), Sao Paulo, SP, BR.
Jazyk:	angličtina
Zdroj:	Clinics (Sao Paulo, Brazil) [Clinics (Sao Paulo)] 2021 Dec 10; Vol. 76, pp. e3368. Date of Electronic Publication: 2021 Dec 10 (Print Publication: 2021).
DOI:	10.6061/clinics/2021/e3368
Abstrakt:	Objectives: Since there are difficulties in establishing effective treatments for COVID-19, a vital way to reduce mortality is an early intervention to prevent disease progression. This study aimed to evaluate the performance of patients with COVID-19 with acute hypoxic respiratory failure according to pulmonary impairment in the awake-prone position, outside of the intensive care unit (ICU). Methods: A prospective observational cohort study was conducted on COVID-19 patients under noninvasive respiratory support. Clinical and laboratory data were obtained for each patient before the treatment and after they were placed in the awake-prone position. To identify responders and non-responders after the first prone maneuver, receiver operating characteristic curves with sensitivity and specificity of the PaO2/FiO2 and SpO2/FiO2 indices were analyzed. The maneuver was considered positive if the patient did not require endotracheal intubation for ventilatory assistance. Results: Forty-eight patients were included, and 64.6% were categorized as responders. The SpO2/FiO2 index was effective for predicting endotracheal intubation in COVID-19 patients regardless of lung parenchymal damage (area under the curve 0.84, cutoff point 165, sensitivity 85%, specificity 75%). Responders had better outcomes with lower hospital mortality (hazard ratio [HR]=0.107, 95% confidence interval [CI]: 0.012-0.93) and a shorter length of stay (median difference 6 days, HR=0.30, 95% CI: 0.13-0.66) after adjusting for age, body mass index, sex, and comorbidities. Conclusions: The awake-prone position for COVID-19 patients outside the ICU can improve oxygenation and clinical outcomes regardless of the extent of pulmonary impairment. Furthermore, the SpO2/FiO2 index discriminates responders from non-responders to the prone maneuver predicting endotracheal intubation with a cutoff under or below 165.
Databáze:	MEDLINE
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