Análisis del tiempo de crecimiento bacteriano en los hemocultivos realizados en un hospital de la orinoquía colombiana

Erika Marcela Aranguren Reina; Julio César Saavedra Parra; Luis Carlos Avellaneda Curcho; Lorena García Agudelo

doi:10.17533/udea.hm.v14n2a04

Authors

Erika Marcela Aranguren Reina Hospital Regional de la Orinoquía https://orcid.org/0009-0002-8006-8883
Julio César Saavedra Parra Hospital Regional de la Orinoquía https://orcid.org/0000-0003-3973-5752
Luis Carlos Avellaneda Curcho Hospital Regional de la Orinoquía https://orcid.org/0000-0002-2833-2985
Lorena García Agudelo Hospital Regional de la Orinoquia https://orcid.org/0000-0001-9557-0900

DOI:

https://doi.org/10.17533/udea.hm.v14n2a04

Keywords:

Blood Culture, Gram-Negative Bacteria, Gram-Positive Bacteria, Bacteremia, Anti-Infective Agents, Bacterial Growth, Sepsis

Abstract

Introduction: Bloodstream infections have presented important changes in their epidemiology, etiology and clinic, currently standing out for their significant morbidity and mortality, in addition to an increase in their incidence worldwide. Materials and Methods: Descriptive and retrospective study of all blood cultures taken from the population attended with suspected sepsis in a hospital in the years 2021 and 2022. Results: A total of 5257 blood cultures, with bacterial growth in 21.15% (1112) of the samples, gram-negative bacteria in 65.29% (n=726) and gram-positive bacteria in 34.71% (n=386). The shortest bacterial growth time in all blood cultures was in Klebsiella pneumoniae ssp pneumoniae (3.60 hours) and the maximum bacterial growth time was in Staphylococcus hominis ssp hominis (93.80 hours). The minimum bacterial growth time of gram-negative bacteria, the mean was 15.86 hours (SD ± 10.78 hours) and a median of 13.30 hours. The minimum bacterial growth time of gram-positive bacteria, the mean was 16.41 hours (SD ± 8.20 hours) and a median of 14.70 hours. Conclusions: the bacterial growth times are similar in gram-negative and gram-positive bacteria; however, it should be noted that the minimum growth time was obtained in a gram-negative germ and the maximum in a gram-positive germ.

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