1. 832. Assessment of Risk Factors Associated with Wide-resistance Gram-negative Bacteria Infections
- Author
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Jorge Luiz Nobre Rodrigues, Luciana Vladia Carvalhedo Fragoso, Thaynara Carvalho de Freitas, Licia Borges Pontes, Geovania Maciel de Souza, Abel Brasil Ramos Da Silva, Germana Perdigão Amaral, Talita Lima Quinaher, Henry Pablo Lopes Campos e Reis, Evelyne Santana Girão, Carla Mônica Porto Pereira, Lia Pinheiro de Lima, Karine Sampaio Nunes Barroso, Arnaldo Aires Peixoto Junior, Breno Queiroz de Araujo, Vitor Nogueira Araújo, Ana Beatriz Ferreira Rodrigues, Fernando Barroso Duarte, and Julio César Castro Silva
- Subjects
Mechanical ventilation ,Univariate analysis ,Gram-negative bacteria ,biology ,business.industry ,Gram Negative Bacillus ,medicine.medical_treatment ,biology.organism_classification ,Enterobacteriaceae ,Intensive care unit ,Microbiology ,law.invention ,AcademicSubjects/MED00290 ,Infectious Diseases ,Oncology ,law ,Poster Abstracts ,Quarantine ,Medicine ,Risk assessment ,business - Abstract
Background Enterobacteria and multidrug-resistant non-fermenting Gram-negative bacilli present a challenge in the management of invasive infections, leading to mortality rates due to their limited therapeutic arsenal. The objective of this work was to analyze risk factors that may be associated with these infections, for a better situational mapping and assertive decision-making in a university hospital in Brazil. Methods The study was conducted between January and September 2019, with 167 patients in contact isolation at a university hospital in Brazil. Potential outcome-related variables for wide-resistance Gram-negative bacteria (BGN) infections were evaluated. Risk factors were identified from univariate statistical analysis using Fisher’s test. Results 51 (30.5%) out of 167 patients in contact isolation evolved with wide-resistance BGN infection. Risk factors in univariate analysis were age, hospital unit and previous use of invasive devices. Patients aged up to 59 years were more likely to progress to infection than those aged over 60 years (p 0.0274, OR 2.2, 95% CI 1.1-4.5). Those admitted to the oncohematology (p < 0.001, OR 32.5, Cl 9.1-116.3) and intensive care unit (p < 0.001, OR 28.0, Cl 3.5-225.9) units were more likely to develop this type of infection. The least likely were those admitted to a kidney transplant unit (p 0.0034, OR 15.33, Cl 1.8-131.0). Prior use of mechanical ventilation (p 0.0058, OR 12.2, Cl 2.0-76.1) and delayed bladder catheter (p 0.0266, OR 5.0, Cl 1.2-20.1) in patients with respiratory and urinary tract infection, respectively, were also reported as risk factors related to these infections. The gender of the patients was not significant for the study. Conclusion This study determined that variables such as age, hospitalization unit, use of mechanical ventilation and delayed bladder catheter could be considered important risk factors in triggering the infectious process by wide-resistant gram-negative bacteria. Thus, the analysis of these factors becomes a great foundation to prevent the development of multiresistant pathogens through prevention strategies, prophylaxis management and more targeted empirical therapies. Disclosures All Authors: No reported disclosures
- Published
- 2020