Journal
ANNALS OF DERMATOLOGY
Volume 28, Issue 4, Pages 470-478Publisher
KOREAN DERMATOLOGICAL ASSOC
DOI: 10.5021/ad.2016.28.4.470
Keywords
Anti-bacterial agent; Antimicrobial resistance; Antimicrobial susceptibility; Atopic dermatitis; Staphylococcus aureus
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Background: 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). Objective: 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. Methods: 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. Results: Among the 295 AD patients, the total S. aureuscolonization 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. aureusstrains 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. aureusantibiotic resistance and higher fusidicacid resistance rates provides evidence of imprudent topical use. Conclusion: Relatively high MRSA isolation and fusidic acid resistance rates in recent AD patients suggest that the community harbors antibiotic-resistant S. aureus.
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