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Extensively drug-resistant Acinetobacter baumannii and Proteeae association in a Romanian intensive care unit: risk factors for acquisition

Authors Muntean D, Licker M, Horhat F, Dumitrașcu V, Săndesc D, Bedreag O, Dugăeșescu D, Coșniță DA, Krasta A, Bădițoiu L

Received 27 April 2018

Accepted for publication 29 August 2018

Published 8 November 2018 Volume 2018:11 Pages 2187—2197

DOI https://doi.org/10.2147/IDR.S171288

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 3

Editor who approved publication: Dr Joachim Wink


Delia Muntean,1,2 Monica Licker,1,2 Florin Horhat,1 Victor Dumitrașcu,1 Dorel Săndesc,1,2 Ovidiu Bedreag,1,2 Dorina Dugăeșescu,1 Dan A Coșniță,1 Anca Krasta,2 Luminița Bădițoiu1

1Victor Babeș University of Medicine and Pharmacy, Timisoara, Romania; 2Pius Brînzeu Emergency Clinical County Hospital, Timisoara, Romania

Purpose: The purpose of this study was to identify risk factors for extensively drug-resistant (XDR) Acinetobacter baumannii (AB) and XDR Proteeae association in the largest intensive care unit (ICU) in Western Romania.
Materials and methods: This retrospective case-controlled study was conducted between January 2016 and December 2016 in the ICU of the “Pius Brînzeu” County Emergency Clinical Hospital of Timișoara. Data were collected, in strict confidentiality, from the electronic database of the Microbiology Laboratory and the hospital’s electronic medical records. Risk factors were investigated by logistic regression. Independent variables with P≤0.05 and OR >1 (95% CI >1) in the univariate analysis were entered into multivariate sequenced analysis.
Findings: The incidence density of coinfection with XDR AB and XDR Proteeae was 5.31 cases per 1,000 patient-days. Independent risk factors for the association of XDR AB and XDR Proteeae were represented by the presence of tracheostomy and naso-/orogastric nutrition ≥ 8 days. In addition, pressure ulcers were independent predictive factors for infections with all three infection types. Previous antibiotic therapy was an independent risk factor for the acquisition of XDR-AB strains, alone or in association, while the prolonged hospitalization in the ICU, blood transfusion, and hemodialysis appear as independent risk factors for single infections.
Conclusion: This association of XDR AB and XDR Proteeae may well not be limited to our hospital or our geographical area.

Keywords: extensive drug resistance, ICU, infections, risk factors

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