Bacteriological profile analysis of patients admitted to intensive care regarding morbidity and mortality: A longitudinal study

Authors

DOI:

https://doi.org/10.21527/2176-7114.2024.48.14017

Keywords:

microbiology, hospital-acquired infection, microbial drug resistance, intensive care units, patient safety

Abstract

Objective: To analyze the bacteriological profile of patients admitted to an intensive care unit and its association with morbidity and mortality. Method: An observational, longitudinal study with a sample of 180 patients admitted to an intensive care unit. Data collection occurred through consultation of the clinical bacteriology laboratory database and electronic medical records between May and July 2022. The Kaplan-Meier method was used for survival analysis. Results: Klebsiella pneumoniae (46.38%) was the most prevalent microorganism, with resistance rates of 90.6% for cefepime, 84.4% for cefotaxime, 84.4% for ceftazidime, 84.4% for ciprofloxacin, and 84.4% for piperacillin + tazobactam. The study showed that with each day of hospitalization, the chance of the patient presenting a positive blood culture increased by 4.1% (p-value <0.001).  Regarding mortality, 85 patients died, with 34 (62.96%) having a positive blood culture. The presence of microorganisms in blood cultures increased the risk of death by 2.5 times (p-value 0.006). Survival analysis showed that patients with positive blood cultures had a longer length of stay. Conclusion: Adequate knowledge of the microbiological profile and antimicrobial resistance by nurses is essential to guide the planning and implementation of care, managerial, and educational strategies for nursing and the entire multidisciplinary team.

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Published

2024-05-06

How to Cite

Henrique, D. M., de Carvalho, A. M., Camerini, F. G., Fassarella, C. S., Leão, R. S., & de Almeida, L. F. (2024). Bacteriological profile analysis of patients admitted to intensive care regarding morbidity and mortality: A longitudinal study. Revista Contexto &Amp; Saúde, 24(48), e14017. https://doi.org/10.21527/2176-7114.2024.48.14017

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Section

ORIGINAL ARTICLE