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Ann Dermatol. 2016 Aug;28(4):470-8. doi: 10.5021/ad.2016.28.4.470. Epub 2016 Jul 26.

Change in Antimicrobial Susceptibility of Skin-Colonizing Staphylococcus aureus in Korean Patients with Atopic Dermatitis during Ten-Year Period.

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Department of Dermatology, Pusan National University School of Medicine, Busan, Korea.
Bon Dermatologic Clinic, Busan, Korea.
Department of Dermatology, Pusan National University School of Medicine, Busan, Korea.; Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
Department of Microbiology, Kyungpook National University School of Medicine, Deagu, Korea.
Department of Dermatology, Kyungpook National University School of Medicine, Deagu, Korea.
Jang Ho Sun Dermatologic Clinic, Busan, Korea.



A small subset of adolescents atopic dermatitis (AD) tends to persist. This also leads to get more antibiotics exposure with advancing years. Antibiotic resistance has been regarded as a serious problem during Staphylococcus aureus treatment, especially methicillin-resistant S. aureus (MRSA).


It was investigated the S. aureus colonization frequency in the skin lesions and anterior nares of adolescent AD patients and evaluated the changes in S. aureus antimicrobial susceptibility for years.


Patients who visited our clinic from September 2003 to August 2005 were classified into group A, and patients who visited from August 2010 to March 2012 were classified into group B. To investigate the differences with regard to patients' age and disease duration, the patients were subdivided into groups according to age. Lesional and nasal specimens were examined.


Among the 295 AD patients, the total S. aureus colonization rate in skin lesions was 66.9% (95/142) for group A and 78.4% (120/153) for group B. No significant changes in the systemic antimicrobial susceptibilities of S. aureus strains isolated from adolescent AD patients were observed during about 10-year period. The increased trend of MRSA isolation in recent adolescent AD outpatients suggest that the community including school could be the source of S. aureus antibiotic resistance and higher fusidic acid resistance rates provides evidence of imprudent topical use.


Relatively high MRSA isolation and fusidic acid resistance rates in recent AD patients suggest that the community harbors antibiotic-resistant S. aureus.


Anti-bacterial agent; Antimicrobial resistance; Antimicrobial susceptibility; Atopic dermatitis; Staphylococcus aureus

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