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Antimicrobial Resistance & Infection Control

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Open Access 01-12-2016 | Guidelines article

Epidemiology and molecular characterization of multidrug-resistant Gram-negative bacteria in Southeast Asia

Authors: Nuntra Suwantarat, Karen C. Carroll

Published in: Antimicrobial Resistance & Infection Control | Issue 1/2016

Abstract

Background

Multidrug-resistant Gram-negative bacteria (MDRGN), including extended-spectrum β-lactamases (ESBLs) and multidrug-resistant glucose-nonfermenting Gram-negative bacilli (nonfermenters), have emerged and spread throughout Southeast Asia.

Methods

We reviewed and summarized current critical knowledge on the epidemiology and molecular characterization of MDRGN in Southeast Asia by PubMed searches for publications prior to 10 March 2016 with the term related to “MDRGN definition” combined with specific Southeast Asian country names (Thailand, Singapore, Malaysia, Vietnam, Indonesia, Philippines, Laos, Cambodia, Myanmar, Brunei).

Results

There were a total of 175 publications from the following countries: Thailand (77), Singapore (35), Malaysia (32), Vietnam (23), Indonesia (6), Philippines (1), Laos (1), and Brunei (1). We did not find any publications on MDRGN from Myanmar and Cambodia. We did not include publications related to Shigella spp., Salmonella spp., and Vibrio spp. and non-human related studies in our review. English language articles and abstracts were included for analysis. After the abstracts were reviewed, data on MDRGN in Southeast Asia from 54 publications were further reviewed and included in this study.

Conclusions

MDRGNs are a major contributor of antimicrobial-resistant bacteria in Southeast Asia. The high prevalence of ESBLs has been a major problem since 2005 and is possibly related to the development of carbapenem resistant organisms in this region due to the overuse of carbapenem therapy. Carbapenem–resistant Acinetobacter baumannii is the most common pathogen associated with nosocomial infections in this region followed by carbapenem-resistant Pseudomonas aeruginosa. Although Southeast Asia is not an endemic area for carbapenem-resistant Enterobacteriaceae (CRE), recently, the rate of CRE detection has been increasing. Limited infection control measures, lack of antimicrobial control, such as the presence of active antimicrobial stewardship teams in the hospital, and outpatient antibiotic restrictions, and travel throughout this region have likely contributed to the increase in MDRGN prevalence.

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Title: Epidemiology and molecular characterization of multidrug-resistant Gram-negative bacteria in Southeast Asia
Authors: Nuntra Suwantarat
Karen C. Carroll
Publication date: 01-12-2016
Publisher: BioMed Central
Published in: Antimicrobial Resistance & Infection Control / Issue 1/2016
Electronic ISSN: 2047-2994
DOI: https://doi.org/10.1186/s13756-016-0115-6

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Epidemiology and molecular characterization of multidrug-resistant Gram-negative bacteria in Southeast Asia

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