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Published on: May 8, 2013
Changing epidemiology of community-associated methicillin-resistant Staphylococcus aureus in the Asia-Pacific region
Kyungmin Huh1, Doo Ryeon Chung2
1a Division of Infectious Diseases, Department of Internal Medicine , Armed Forces Capital Hospital , Seongnam , Korea.
Introduction:
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has become an important threat to public health in the Asia-Pacific region, which is characterized by a large population and relatively insufficient resources. Better understanding on the current status of CA-MRSA in the region is of paramount importance. Areas covered: This article reviews the published literatures on the prevalence, molecular epidemiology, colonization, and hospital spread of CA-MRSA. Expert commentary: The burden of CA-MRSA has been increasing in the past two decades. The molecular epidemiology of CA-MRSA in the Asia-Pacific region shows a marked diversity in each country. Still, some strains - multilocus sequence type (MLST) ST59, ST30, ST72, ST8, and ST772 - are unique clones that have successfully established themselves as predominant, often spreading into nosocomial settings. More coordinated and comprehensive surveillance to understand the true epidemiology of CA-MRSA in the Asia-Pacific region is urgently needed.
Insights
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) is a growing public health concern in the Asia-Pacific. This review highlights the diverse epidemiology and increasing burden of CA-MRSA, emphasizing the need for enhanced surveillance.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) poses a significant public health threat in the Asia-Pacific.
- The region's large population and limited resources exacerbate the challenge of controlling CA-MRSA.
- Understanding the current status of CA-MRSA is crucial for effective public health strategies.
Purpose of the Study:
- To review the prevalence and molecular epidemiology of CA-MRSA in the Asia-Pacific.
- To examine CA-MRSA colonization and hospital spread within the region.
- To provide an expert commentary on the current burden and future surveillance needs.
Main Methods:
- Literature review of published studies on CA-MRSA in the Asia-Pacific.
- Analysis of data on prevalence, molecular typing (MLST), colonization, and nosocomial spread.
- Synthesis of findings to assess the regional epidemiology and burden.
Main Results:
- The burden of CA-MRSA has increased over the last two decades.
- Significant molecular diversity of CA-MRSA strains exists across different countries in the region.
- Specific clones, including ST59, ST30, ST72, ST8, and ST772, are predominant and frequently found in healthcare settings.
Conclusions:
- CA-MRSA represents a substantial and increasing public health challenge in the Asia-Pacific.
- Coordinated and comprehensive surveillance is urgently required to accurately determine the epidemiology of CA-MRSA in this region.
- Targeted interventions based on molecular epidemiology are needed to control CA-MRSA spread.
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