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Revista Médica del Uruguay

Print version ISSN 0303-3295On-line version ISSN 1688-0390

Abstract

HURTADO, Javier et al. Characteristics of Patients with SARS-CoV-2 in Critical Condition at a COVID-19 reference center in Uruguay. Rev. Méd. Urug. [online]. 2023, vol.39, n.4, e206.  Epub Dec 01, 2023. ISSN 0303-3295.  https://doi.org/10.29193/rmu.39.4.6.

Introduction:

COVID-19 has caused high mortality worldwide. However, the most critical presentations of the disease have been poorly characterized in our region.

Objective:

to study the clinical presentation, progression, and mortality in patients admitted to the Intensive Care Unit (ICU) of a COVID-19 Reference Center.

Patients and methods:

clinical, prospective, observational study of SARS-CoV-2 during the early stages of the pandemic in Uruguay. ICU mortality was defined as the primary outcome.

Results:

in 274 patients, the median age was 65 years (IQR 54-73), male gender accounted for 57%, and the Charlson Index was 3 (IQR 2-5). ICU mortality was 59.9%. The main causes of death were refractory hypoxemia, multiple organ dysfunction, and refractory shock. Age (Odds Ratio (OR) = 1.06; 95% CI 1.03 - 1.09), bed occupancy (OR= 1.04, 95% CI: 1.02 -1.07), male gender (OR= 2.14, 95% CI 0.93 - 5.06), invasive mechanical ventilation (OR= 51.7, 95% CI 16.5 - 208.6), coinfection at admission (OR= 2.34, 95% CI 0.88 - 6.77), and pre-existing chronic kidney disease (OR= 13.1, 95% CI 2.29 - 129.2) were independent predictors of mortality. The first wave of the pandemic was driven by the circulation of the P.6 and P.1 variants of the coronavirus in a population with a very low vaccination percentage (8%).

Conclusions:

these results in critical patients provide a detailed description of the impact of the SARS-CoV-2 pandemic in a reference center and serve as a foundation for addressing future epidemic events.

Keywords : SARS-CoV-2; COVID-19; Acute respiratory distress syndrome; Invasive mechanical ventilation.

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