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Trends in Bacterial Skin Infections and their Antibiotic Susceptibility in Korea: a 13-year Single-center Study

Journal of Mycology and Infection 2020년 25권 3호 p.51 ~ 56
정종헌, 이지영, 이승호, 이애영, 홍종수,
소속 상세정보
정종헌 ( Jeong Jong-Heon ) - Dongguk University College of Medicine Dongguk University Ilsan Hospital Department of Dermatology
이지영 ( Lee Ji-Young ) - Dongguk University College of Medicine Dongguk University Ilsan Hospital Department of Dermatology
이승호 ( Lee Seung-Ho ) - Dongguk University College of Medicine Dongguk University Ilsan Hospital Department of Dermatology
이애영 ( Lee Ai-Young ) - Dongguk University College of Medicine Dongguk University Ilsan Hospital Department of Dermatology
홍종수 ( Hong Jong-Soo ) - Dongguk University College of Medicine Dongguk University Ilsan Hospital Department of Dermatology

Abstract


Background: The kinds and identification rates of major bacteria causing bacterial skin infections have changed steadily over time. Although studies of the causative pathogen changes over time have been reported worldwide, no follow-up studies of bacterial skin infections have been conducted in Korea since 2009.

Objective: To investigate the changes in the identification rate and antibiotic susceptibility of causative pathogens of bacterial skin infections, especially S. aureus, over time in Korea.

Methods: This study was conducted in outpatient clinics in 2006, 2009, 2012, 2015, and 2018, in which the data on age, sex, identification of bacteria, and susceptibility to antibiotics were retrospectively analyzed.

Results: Of the 350 cases, except for suspected normal flora, 213 (60.9%) were positive for S. aureus, accounting for the highest percentage, followed by 22 (6.3%) for P. aeruginosa, 7 (2%) for Serratia marcescens, and 6 (1.7%) for Bacillus species, Enterococcus faecalis, and Staphylococcus lugdunensis. The identification rate of methicillin-resistant S. aureus (MRSA) increased from 2009 to 2015 and then decreased in 2018.

Conclusion: The proportion of MRSA gradually increased from 2006 to 2015 but suddenly reversed in 2018, possibly due to improved education for infection prevention or changes in the virulence of the circulating strains of MRSA. Also, based on our findings, MRSA is currently susceptible to trimethoprim-sulfamethoxazole and vancomycin.

키워드

Antibiotics; Bacterial skin infections; MRSA; S. aureus

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