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Vol. 22. Issue S1.
Special Issue: Lecciones aprendidas del COVID-19
Pages S28-S35 (June 2022)
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Vol. 22. Issue S1.
Special Issue: Lecciones aprendidas del COVID-19
Pages S28-S35 (June 2022)
ORIGINAL
Factores relacionados con la neumonía bacteriana en pacientes con COVID-19 en una unidad de cuidados intensivos de Barranquilla, Colombia
Factors related to bacterial pneumonia in patients with COVID-19 in an intensive care unit in Barranquilla, Colombia
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Holmes Algarín-Laraa,
Corresponding author
holmesalgarin@hotmail.com

Autor para correspondencia.
, Edwin Guevara-Romerob, Elber Osorio-Rodrígueza, Jhonny Patiño-Patiñoa, Víctor Flórez Garcíab,c, Rafael de Jesús Tuescab,c, Mauricio Aldana-Roaa, Yussef Said Arciniegas-Vergela, Rómulo Rodado-Villaa
a Grupo de Medicina Intensiva y Cuidados Integrales (GRIMICI), Departamento de Medicina Intensiva, Camino Universitario Distrital Adelita de Char, MiRed IPS, Barranquilla, Colombia
b Joseph J. Zilber School of Public Health, University of Wisconsin, Milwaukee, Wisconsin, Estados Unidos
c Departamento de Salud Pública, Universidad del Norte, Barranquilla, Colombia
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Special issue
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Vol. 22. Issue S1

Special Issue: Lecciones aprendidas del COVID-19

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Resumen
Objetivo

Determinar los factores relacionados con la neumonía bacteriana en pacientes con COVID-19 en una unidad de cuidados intensivos de Barranquilla, Colombia.

Diseño

Estudio de casos y controles anidado, unicéntrico, realizado entre marzo y agosto del 2020.

Pacientes

Pacientes mayores de 18 años, con una estancia hospitalaria mayor de 72h y soporte de ventilación mecánica invasiva, admitidos en la unidad de cuidados intensivos.

Intervenciones

Ninguna.

Mediciones

Se agruparon variables clínicas para casos y controles. Se calcularon medias y desviación estándar en variables cuantitativas y proporciones en variables categóricas. Para evaluar las diferencias entre proporciones se usó la prueba exacta de Fisher y para las diferencias de medias se usó la prueba U de Mann-Whitney. Las variables con diferencia estadísticamente significativa se corrieron en un modelo explicativo basado en regresión logística binaria.

Resultados

La frecuencia de neumonía bacteriana fue del 10,07%, encontrando un elevado consumo de terapia antibiótica empírica. Se encontró asociación estadística entre el tiempo de uso de dexametasona (OR 1,520; IC 95% 1,131-2,042) y el desarrollo de neumonía bacteriana. El resto de las variables no resultaron estadísticamente significativas tras ajustar el modelo con regresión logística.

Conclusión

Se encontraron tasas bajas de neumonía bacteriana, predominando la Klebsiella pneumoniae como la bacteria más frecuente. El uso excesivo de dexametasona en pacientes con COVID-19 en la unidad de cuidados intensivos podría aumentar el riesgo de neumonía bacteriana. Por este motivo, debe evaluarse con mayor profundidad para explicar causalidad y efecto.

Palabras clave:
SARS-CoV-2
Neumonía bacteriana
Antibióticos
Corticosteroides
Abstract
Objective

To determine the factors related to bacterial pneumonia in patients with COVID-19 in an intensive care unit in Barranquilla, Colombia.

Design

Nested, single-center case-control study, conducted between March and August 2020.

Patients

Patients over 18 years of age, a hospital stay greater than 72h, with invasive mechanical ventilation support admitted to the intensive care unit.

Interventions

None.

Measurements

Clinical variables were grouped for both cases and controls. Means and standard deviation were calculated in quantitative variables and proportions in categorical variables. Fisher's exact test was used to evaluate the differences between proportions, and the Mann-Whitney U test was used for differences in means. Variables with statistically significant differences were run in an explanatory model based on binary logistic regression.

Results

The frequency of bacterial pneumonia was 10.07%, finding a high consumption of empirical antibiotic therapy. A statistical association was found between the time of dexamethasone use (OR 1.520; 95% CI 1.131-2.042) with the development of bacterial pneumonia. The rest of the variables were not statistically significant after adjusting the model with logistic regression.

Conclusion

Low rates of bacterial pneumonia were found, with Klebsiella pneumoniae prevailing as the most frequent bacterium. Overuse of dexamethasone in intensive care unit COVID-19 patients could increase the risk of bacterial pneumonia. For this reason, it must be evaluated in greater depth to explain causality and effect.

Keywords:
SARS-CoV-2
Bacterial pneumonia
Antibiotics
Corticosteroids

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