Duration of the first prone positioning maneuver and its association with 90-day mortality in patients with acute respiratory failure due to COVID-19: A retrospective study of time terciles.

Objective: To investigate the association between the duration of the first prone positioning maneuver (PPM) and 90-day mortality in patients with C-ARDS.

Design: Retrospective, observational, and analytical study.

Setting: COVID-19 ICU of a tertiary hospital.

Association between different corticosteroid regimens used in severe SARS-CoV-2 infection and short-term mortality: retrospective cohort study.

Introduction: During the SARS-CoV-2 pandemic, several corticosteroid regimens have been used in the treatment of the disease, with disparate results according to drug and regimen used. For this reason, we wanted to analyze differences in early mortality derived from the use of different regimens of dexamethasone and methylprednisolone in SARS-CoV-2 infection in critically ill patients requiring admission to an ICU.

Method: Observational, analytical and retrospective study, in an intensive care unit of a third-level university hospital, (March 2020 and June 2021).

[Analysis of characteristics of elderly patients admitted to an intensive care unit during six waves of the SARS-CoV-2 pandemic: Implications for medical care].

Objective: To analyze the characteristics of seriously ill elderly patients during the six waves of the COVID-19 pandemic.

Method: Retrospective, observational and analytical study of patients over 70 years of age admitted to the ICU (March-2020 to March-2022). Patients were categorized into three groups based on age: 70-74 years; 75-79 years; and >80 years.

[The Bayes factor in the analysis of mechanical power in patients with severe respiratory failure due to SARS-CoV-2].

Objective: To specify the degree of probative force of the statistical hypotheses in relation to mortality at 28 days and the threshold value of 17 J/min mechanical power (MP) in patients with respiratory failure secondary to SARS-CoV-2.

Design: Cohort study, longitudinal, analytical.

Setting: Intensive care unit of a third level hospital in Spain.

Retrospective study of the effect of vaccination against SARS-CoV-2 in seriously ill patients admitted to an intensive care unit.

Background And Objective: Our study aims to compare the clinical and epidemiological characteristics, length of stay in the ICU, and mortality rates of COVID-19 patients admitted to the ICU who are fully vaccinated, partially vaccinated, or unvaccinated.

Patients And Methods: Retrospective cohort study (March 2020-March 2022). Patients were classified into unvaccinated, fully vaccinated, and partially vaccinated groups.

The Bayes factor in the analysis of mechanical power in patients with severe respiratory failure due to SARS-CoV-2.

Objective: To specify the degree of probative force of the statistical hypotheses in relation to mortality at 28 days and the threshold value of 17 J/min mechanical power (MP) in patients with respiratory failure secondary to SARS-CoV-2.

Design: Cohort study, longitudinal, analytical.

Setting: Intensive care unit of a third level hospital in Spain.

[Modification of immediate survival after in-hospital cardiac arrest during evenings and weekends].

Objective: To determine whether cardiac arrests occurring at night or during the weekend, carry lower immediate survival.

Method: An analysis of logistic regression was performed, adjusted for age, sex, time to care of the cardiac arrest and first monitored rhythm, to determine whether there are differences in immediate survival.

Results: The immediate survival of the cohort studied (n=121) was 32 patients (26%).