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Methicillin 내성 및 감수성 황색포도알균의 항균제 감수성

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Affiliated Author(s)
서성일백원기서민호
Alternative Author(s)
Suh, Seong IlBaek, Won KiSuh, Min Ho
Journal Title
Keimyung Medical Journal
Issued Date
2011
Keyword
Antimicrobial susceptibilityChloramphenicolLinezolidMethicillin resistant Staphylococcus aureus (MRSA)PrevalenceRifampinTeicoplaninVancomycin
Abstract
Methicillin resistant Staphylococcus aureus (MRSA) is one of the leading causes of nosocomial
infections. MRSA is frequently multidrug-resistant and represent major causes of serious bacterial infections in the hospital environment, and is a general public health problem widely encountered in health care practices. A total of 156 isolates of Staphylococcus aureus from various clinical specimens in Daegu area were tested for antimicrobial drug susceptibility to 33 drugs including vancomycin, linezolid, teicoplanin, rifampin and chloramphenicol. Isolation frequency of MRSA was 60.3% (94 strains) and was highly prevalent. MRSA were most frequently isolated from sputum (38.3%), and followed by wound discharge (28.7%), catheter tip (12.8%), blood (9.6%) and etc. All the MRSA isolates were susceptible to vancomycin, linezolid, teicoplanin and chloramphenicol, and only 2.1% of MRSA were resistant to rifampin. The resistance frequencies of doxycycline, sulfisoxazole and cotrimoxazole were 40.4 - 56.4%. The resistance frequencies of tetracycline and clindamycin were 70.2 and 76.6%, respectively. Most of MRSA were resistant to fluoroquinolones and aminoglycosides (80.9-100% resistant). MIC90 of vancomycin, teicoplanin, chloramphenicol and rifampin were 2-16 μg/mL, and those of doxycycline and tetracycline were 32-64 μg/mL. MIC90 of the rest of the drugs were more than
128 μg/mL. All of the MRSA were resistant to more than 13 drugs. Fifty five (58.4%) strains were resistant to more than 25 drugs, and 86 (91.4%) strains were resistant to more than 21 drugs. In contrast to the MRSA, most of methicillin sensitive Staphylococcus aureus (MSSA) were susceptible to oxacillin, cefoxitin, cefepime, imipenem, meropenem, vancomycin, linezolid, teicoplanin, chloramphenicol, rifampin, doxycycline, cefazolin, cefaclor, cefotaxime, ceftazidime, ceftizoxime and ceftriaxone. The resistance frequencies of tetracycline, sulfisoxazole and cotrimoxazole were 37.1-54.8%. And the resistance frequencies of fluoroquinolones and aminoglycosides to MSSA were high (71.0-80.6% resistant). In conclusion, this report provides an information on effective drugs for MRSA infections. Continued surveillance activities of MRSA prevalence and antimicrobial resistance patterns both in Korea and in an international setting are essential.
Alternative Title
Antimicrobial Drug Susceptibility of Methicillin Resistant and Methicillin Susceptible Staphylococcus aureus
Department
Dept. of Microbiology (미생물학)
Institute for Medical Science (의과학연구소)
Publisher
Keimyung University School of Medicine
Citation
서성일 et al. (2011). Methicillin 내성 및 감수성 황색포도알균의 항균제 감수성. Keimyung Medical Journal, 30(2), 219–231.
Type
Article
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/15542
Appears in Collections:
2. Keimyung Medical Journal (계명의대 학술지) > 2011
1. School of Medicine (의과대학) > Dept. of Microbiology (미생물학)
3. Research Institutues (연구소) > Institute for Medical Science (의과학연구소)
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