Author: RodrÃguez, Alejandro; Moreno, Gerard; Gómez, Josep; Carbonell, Raquel; Picó-Plana, Ester; Bofill, Clara Benavent; Parrilla, Rafael Sánchez; Trefler, Sandra; Pitarch, Erika Esteve; Canadell, Laura; Teixido, Xavier; Claverias, Laura; BodÃ, MarÃa
Title: INFECCIÓN GRAVE POR CORONAVIRUS SARS-CoV-2: Experiencia en un hospital de tercer nivel con pacientes afectados por COVID-19 durante la pandemia 2020 Cord-id: gbay6qvl Document date: 2020_6_19
ID: gbay6qvl
Snippet: Abstract Objective: To describe the clinical and respiratory characteristics of a cohort of 43 patients with COVID-19 after an evolutive period of 28 days. Design: A prospective, single-center observational study was carried out. Setting: Intensive care. Patients: Patients admitted due to COVID-19 and respiratory failure. Interventions: None. Variables: Automatic recording was made of demographic variables, severity parameters, laboratory data, assisted ventilation (HFO: high-flow oxygen therapy
Document: Abstract Objective: To describe the clinical and respiratory characteristics of a cohort of 43 patients with COVID-19 after an evolutive period of 28 days. Design: A prospective, single-center observational study was carried out. Setting: Intensive care. Patients: Patients admitted due to COVID-19 and respiratory failure. Interventions: None. Variables: Automatic recording was made of demographic variables, severity parameters, laboratory data, assisted ventilation (HFO: high-flow oxygen therapy and IMV: invasive mechanical ventilation), oxygenation (PaO2, PaO2/FiO2) and complications. The patients were divided into three groups: survivors (G1), deceased (G2) and patients remaining under admission (G3). The chi-squared test or Fisher exact test (categorical variables) was used, along with the Mann-Whitney U-test or Wilcoxon test for analyzing the differences between medians. Statistical significance was considered for p<0.05. Results: A total of 43 patients were included (G1=28 [65.1%], G2=10 [23.3%] and G3=5[11.6%]), with a mean age of 65 years (range 52-72), 62% males, APACHE II 18 (15-24), SOFA 6 (4-7). Arterial hypertension (30.2%) and obesity (25.6%) were the most frequent comorbidities. High-flow oxygen therapy was used in 62.7% of the patients, with failure in 85%. In turn, 95% of the patients required IMV and 85% received ventilation in prone decubitus. In the general population, initial PaO2/FiO2 improved after 7 days (165 [125-210] vs.194 [153-285]; p=0.02), in the same way as in G1 (164 [125-197] vs. 207 [160-294]; p=0.07), but not in G2 (163 [95-197] vs. 135 [85-177]). No bacterial coinfection was observed. The incidence of IMV-associated pneumonia was high (13 episodes/1000 days of IMV). Conclusions: Patients with COVID-19 require early IMV, a high frequency of ventilation in prone decubitus, and have a high incidence of failed HFO. The lack of improvement of PaO2/FiO2 at 7 days could be a prognostic marker. Resumen Objetivo: Describir las caracterÃsticas clÃnicas y respiratorias de una cohorte de 43 pacientes con COVID-19 tras 28 dÃas de evolución. Diseño: Prospectivo observacional en un solo centro Ãmbito: Medicina intensiva Pacientes: Pacientes ingresados por COVID-19 e insuficiencia respiratoria Intervenciones: Ninguna Variables: Se obtuvieron de forma automática variables demográficas, de gravedad, de laboratorio, de asistencia ventilatoria recibida (OAF: oxigenoterapia alto flujo y VMI: ventilación mecánica invasiva), de oxigenación (PaO2, PaO2/FiO2) y de complicaciones. Los pacientes se dividieron en 3 grupos: supervivientes(G1), fallecidos(G2) y aquellos que continuaban ingresados(G3). Se utilizó “chi†cuadrado o Fisher (variables categóricas) y “U†Mann-Whitney o Wilcoxon para analizar la diferencia entre medianas. Se consideró significativo un valor de p<0.05. Resultados: Se incluyeron 43 pacientes (G1=28[65,1%],G2=10[23,3%] y G3=5[11,6%]), edad 65(52-72) años, 62% hombres, APACHE II 18(15-24), SOFA 6(4-7), Hipertensión arterial(30,2%) y obesidad(25,6%) fueron las comorbilidades más frecuentes. La OAF fue usada en el 62,7% de pacientes, 85% fracasó. El 95% de los pacientes necesitó VMI y el 85% ventilación en prono. En la población general, la PaO2/FiO2 inicial mejoró a los 7 dÃas (165[125-210] vs. 194[153-285], p=0.02), al igual que en G1(164[125-197] vs. 207[160-294], p=0.07) pero no en G2 (163[95-197] vs. 135[85-177]). No se observó co-infección bacteriana. El desarrollo de neumonÃa asociada a la VMI fue elevado (13 episodios/1000 dÃas de VMI) Conclusiones: Los pacientes con Covid-19 requieren VMI precoz, elevada frecuencia de ventilación en prono y presentan alta prevalencia de fracaso a OAF. La falta de mejorÃa de la PaO2/FiO2 a los 7 dÃas podrÃa ser un marcador de pronóstico.
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