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Community-Acquired Necrotizing Pneumonia Caused by ST72-SCCmec Type IV-Methicillin-Resistant Staphylococcus aureus in Korea
Ji-Won Hwang, M.D.1, Eun-Jeong Joo, M.D.2, Jung Min Ha, M.D.1, Woojoo Lee, M.D.1, Eun Kim, M.D.1, Sehyo Yune, M.D.1, Doo Ryeon Chung, M.D., Ph.D.2 and Kyeongman Jeon, M.D., Ph.D.3
1Department of Medicine, 2Division of Infectious Disease, Department of Medicine, 3Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
Tuberculosis and Respiratory Diseases; 2013 August; 75 (2): 75-78

FullText

Conclusion : Methcillin-resistant Staphylococcus aureus (MRSA) has emerged as an important cause of community-acquired infections, which has been recently designated as community-associated (CA) MRSA. Panton-Valentine leukocidin (PVL)-negative multilocus sequence type 72 (ST72)-staphylococcal cassette chromosome mec (SCCmec) type IV has been reported as the predominat CA-MRSA strain in Korea and is commonly associated with skin and soft tissue infections in addition to healthcare-associated pneumonia. However, community-acquired pneumonia (CAP) for this strain has not yet been reported. We hereby report two cases of CAP caused by PVL-negative ST72-SCCmec type IV strain in patients who had no risk factors for MRSA acquisition. While CA-MRSA infections are not yet prevalent in Korea, our cases suggest that CA-MRSA should be considered in cases of severe CAP, especially for cases associated with necrotizing pneumonia.

Keywords : Methicillin-Resistant Staphylococcus aureus; Pneumonia; Community-Acquired Infections; Korea

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