Drug resistance of healthcare-associated pathogenic bacteria and carbapenem-resistant Acinetobacter baumannii homology in the general intensive care unit.

Annals of Palliative Medicine
Weiping LiuTianhui Guo

Abstract

The objective of this study was to understand the distribution and drug resistance of healthcare-associated infection (HAI) pathogens in an intensive care unit (ICU) of a general tertiary hospital in Inner Mongolia, and to classify carbapenem-resistant Acinetobacter baumannii (CR-AB) in ICU patients and environmental samples. Additionally, this study aimed to provide scientific evidence for the use of clinical antibiotics and effective prevention and control measures for CR-AB outbreak. The distribution and drug resistance of pathogens isolated from patient's samples in the ICU of 12 Hospitals from January to May 2019 were retrospectively analyzed. Meanwhile, CR-AB isolated from patients and environmental samples were collected and classified by pulsed-field gel electrophoresis (PFGE). The pathogens isolated from ICU samples, mainly Gram-negative bacteria (63.07%), were CR-AB, Klebsiella pneumoniae, and Pseudomonas aeruginosa; the main Gram-positive bacteria (22.13%) were Enterococcus faecium and Staphylococcus aureus; and fungi accounted for the remaining (14.80%). The samples mainly came from sputum (41.09%). Among non-fermenting bacteria, the resistance rates of CRAB to piperacillin, piperacillin/tazobactam, and other treatm...Continue Reading

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