The Open Public Health Journal




ISSN: 1874-9445 ― Volume 13, 2020
RESEARCH ARTICLE

Community Origin and Previous Use of Antimicrobials Increase the Risk of Nosocomial Multidrug-resistant Bacteria Colonisation in the Intensive Care Unit in a Brazilian Hospital



Debora Vandresen1, Maria Helena B. Werlang2, Mirian Carla B. Silva3, Juliana S. Link3, 4, *, Paulo Cezar N. Fortes3, 5, 6
1 Hospital Infection Control Committee, Southwest Regional Hospital Walter Alberto Pecoits (HRSWAP), Francisco Beltrão, PR, Brazil
2 Department of Epidemiology, Hospital Infection Control and Patient Safety, Southwest Regional Hospital Walter Alberto Pecoits (HRSWAP), Francisco Beltrão, PR, Brazil
3 Intensive Care Unit, Southwest Regional Hospital Walter Alberto Pecoits (HRSWAP), Francisco Beltrão, PR, Brazil
4 Nefrogins, Biology Research Company
5 Intensive Care Unit, Policlínica São Vicente de Paula, Francisco Beltrão, PR, Brazil
6 Universidade Estadual do Oeste do Paraná, UNIOESTE, Francisco Beltrão, PR, Brazil

Abstract

Background:

Hospitalised patients are often surrounded by microorganisms, and antibiotic-resistant pathogens are a major and growing threat to public health.

Objective:

This study aimed to investigate the epidemiology and the risk factors for colonisation by multidrug-resistant organisms (MDROs) in a Brazilian hospital.

Methods:

Patients in the Intensive Care Unit (ICU) who underwent nasal and rectal swab cultures for the surveillance of colonisation by MDROs were evaluated in a retrospective study. MDROs were determined by routine microbiological cultures.

Results:

Of the 785 patients included in this study, 86 presented positive results for MDRO colonisation. Overall, the most frequently isolated organism was Klebsiella pneumoniae (41.9%), followed by Escherichia coli (33.7%). The main type of resistance was the production of extended-spectrum beta-lactamases (ESBL). The prevalence of MDRO infections was significantly associated with the patient's origin (community or hospital-acquired). Having been submitted to previous antimicrobial drug therapy was significantly associated with MDRO infection (relative risk [RR]: 4.02 [2.60 - 6.23]).

Conclusion:

MDRO ICU colonisation was variable, with similar frequencies as other centres, and important factors, including previous hospital stay and antibiotic use, were closely related to MDRO colonisation. Therefore, control interventions should reduce their rates, especially considering the particularities of each geographic centre.

Keywords: Drug resistance, Bacterial resistance, Critical care, Hospital units, Risk-factors, Health-care associated infection.


Article Information


Identifiers and Pagination:

Year: 2019
Volume: 12
First Page: 449
Last Page: 454
Publisher Id: TOPHJ-12-449
DOI: 10.2174/1874944501912010449

Article History:

Received Date: 27/05/2019
Revision Received Date: 25/10/2019
Acceptance Date: 06/11/2019
Electronic publication date: 16/12/2019
Collection year: 2019

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© 2019 Vandresen et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Hospital Regional do Sudoeste Walter Alberto Pecoits (HRSWAP), Rodovia Contorno Leste, 200 - Água Branca - 85601-970 - Francisco Beltrão – PR, Brazil; E-mail: juliseger@gmail.com



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