2000년-2009년 광주 광역시 지역의 급성설사환자의 분변에서 분리한 살모넬라 균주에서의 항생제 내성률 조사 Antibiotic Resistance Among Salmonella spp. Isolated from Feces of Patients with Acute Diarrhea in Gwangju Area, Korea, during 2000-2009원문보기
지난 2000년부터 2009년까지 10년간 광주광역시 지역의 급성설사환자로부터 분리한 총 596개의 살모넬라균주에 대하여 총 16종의 항생제에 대한 감수성 검사를 실시한 결과, 내성빈도가 가장 높았던 약제는 ampicillin (43%), tetracycline (35.9%), nalidixic acid (31.5%), 그리고 chloramphenicol (26.2%) 순으로 나타났다. 혈청형 간에 항생제 내성률에 차이가 있었는데 S. Enteritidis와 S. Typhimurium이 각각 가장 높은 내성률을 보인 약제는 ampicillin (51.1%)과 tetracycline (77.9%)이었다. 총 89가지 내성패턴이 관찰되었으며, 26% (155/596)의 살모넬라 분리주는 검사한 16가지 약제에 모두 감수성을 보였다. 약 21% (127/596) 및 15% (87/596)의 분리주는 각각 한 개 및 두 개의 약제에 내성을 나타냈다. 그 외의 살모넬라 분리주(227/596, 38%)는 세가지 이상의 약제에 내성을 나타냈다(다제내성균). 다제내성균이 가장 높은 비율로 나타난 혈청형은 S. Paratyphi B (76.5%), S. Typhimurium (58.2%), 그리고 S. Enteritidis (40.2%)의 순이었다. 가장 흔한 다제내성패턴은 ampicillin-chloramphenicol-nalidixic acid-ticarcillin (36/227, 15.8%)이었으며 이러한 패턴을 보였던 다제내성균의 대부분(35/36, 97.2%)이 S. Enteritidis이었다.
지난 2000년부터 2009년까지 10년간 광주광역시 지역의 급성설사환자로부터 분리한 총 596개의 살모넬라균주에 대하여 총 16종의 항생제에 대한 감수성 검사를 실시한 결과, 내성빈도가 가장 높았던 약제는 ampicillin (43%), tetracycline (35.9%), nalidixic acid (31.5%), 그리고 chloramphenicol (26.2%) 순으로 나타났다. 혈청형 간에 항생제 내성률에 차이가 있었는데 S. Enteritidis와 S. Typhimurium이 각각 가장 높은 내성률을 보인 약제는 ampicillin (51.1%)과 tetracycline (77.9%)이었다. 총 89가지 내성패턴이 관찰되었으며, 26% (155/596)의 살모넬라 분리주는 검사한 16가지 약제에 모두 감수성을 보였다. 약 21% (127/596) 및 15% (87/596)의 분리주는 각각 한 개 및 두 개의 약제에 내성을 나타냈다. 그 외의 살모넬라 분리주(227/596, 38%)는 세가지 이상의 약제에 내성을 나타냈다(다제내성균). 다제내성균이 가장 높은 비율로 나타난 혈청형은 S. Paratyphi B (76.5%), S. Typhimurium (58.2%), 그리고 S. Enteritidis (40.2%)의 순이었다. 가장 흔한 다제내성패턴은 ampicillin-chloramphenicol-nalidixic acid-ticarcillin (36/227, 15.8%)이었으며 이러한 패턴을 보였던 다제내성균의 대부분(35/36, 97.2%)이 S. Enteritidis이었다.
Antibiotic susceptibility was examined for 596 Salmonella isolates from patients with acute gastroenteritis during 2000-2009 in Gwangju area in South Korea. Of 16 antibiotics tested, ampicillin resistance (43%) was the most commonly observed resistance among the 596 Salmonella sp. isolates, followed...
Antibiotic susceptibility was examined for 596 Salmonella isolates from patients with acute gastroenteritis during 2000-2009 in Gwangju area in South Korea. Of 16 antibiotics tested, ampicillin resistance (43%) was the most commonly observed resistance among the 596 Salmonella sp. isolates, followed by tetracycline (35.9%), nalidixic acid (31.5%), and chloramphenicol (26.2%). Antibiotic resistance varied among serotypes: The highest resistance of S. Enteritidis and S. Typhimurium was to ampicillin (51.1%) and tetracycline (77.9%), respectively. A total of 89 resistance patterns were observed, and 26% (155/596) of Salmonella isolates were susceptible to all antibiotics tested in this study. About 21% (127/596) and 15% (87/596) of the isolates were resistant to one and two antibiotics, respectively. The rest of Salmonella isolates (227/596, 38%) were resistant to three or more antibiotic agents. The highest multi-drug resistance (MDR) was observed in serotype S. Paratyphi B (76.5%), followed by S. Typhimurium (58.2%), and S. Enteritidis (40.2%). The most common resistance pattern of MDR isolates was ampicillin-chloramphenicol-nalidixic acid-ticarcillin (36/227, 15.8%), most of which (35/36, 97.2%) were S. Enteritidis.
Antibiotic susceptibility was examined for 596 Salmonella isolates from patients with acute gastroenteritis during 2000-2009 in Gwangju area in South Korea. Of 16 antibiotics tested, ampicillin resistance (43%) was the most commonly observed resistance among the 596 Salmonella sp. isolates, followed by tetracycline (35.9%), nalidixic acid (31.5%), and chloramphenicol (26.2%). Antibiotic resistance varied among serotypes: The highest resistance of S. Enteritidis and S. Typhimurium was to ampicillin (51.1%) and tetracycline (77.9%), respectively. A total of 89 resistance patterns were observed, and 26% (155/596) of Salmonella isolates were susceptible to all antibiotics tested in this study. About 21% (127/596) and 15% (87/596) of the isolates were resistant to one and two antibiotics, respectively. The rest of Salmonella isolates (227/596, 38%) were resistant to three or more antibiotic agents. The highest multi-drug resistance (MDR) was observed in serotype S. Paratyphi B (76.5%), followed by S. Typhimurium (58.2%), and S. Enteritidis (40.2%). The most common resistance pattern of MDR isolates was ampicillin-chloramphenicol-nalidixic acid-ticarcillin (36/227, 15.8%), most of which (35/36, 97.2%) were S. Enteritidis.
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문제 정의
In Korea, the surveillance for Salmonella species has been carried out by Korean Center for Diseases Control and Prevention (KCDC) in association with 16 Public Health and Environment Institutes (PHEI) and 106 collaborative hospitals nationwide since 1972, as part of a national program for monitoring acute diarrheal disease. Results of the surveillance were summarized and published on the KCDC website as a comprehensive overview of the prevalence and characteristics of bacteria causing acute diarrhea in Korea. Salmonella sp.
가설 설정
Inhibitory zones were interpreted according to the guidelines of Clinical Laboratory Standards Institute (CLSI, 2010). In this study, MDR was defined as Salmonella resistant to three or more antibiotics.
제안 방법
One presumptive colony from each sample chosen by this screen was identified with confirmatory biochemical tests using API 20E (bioMéreux, France) or VITEK II (bioMéreux).
대상 데이터
This study was conducted by PHEI of Gwangju metropolitan city, which is located in southwestern part of Korea, with cooperation of 12 local hospitals and clinics in the area. Physicians were asked to submit stool samples from patients with diarrhea and other symptoms of acute gastroenteritis to microbiological laboratory in PHEI, Gwangju.
성능/효과
Typhimurium, and Others and the most common type of antibiotic resistance patterns of each group was presented in Table 5. A total of 89 resistance patterns were observed among the 596 Salmonella isolates, and the most common resistance pattern of MDR isolates was ampicillin-chloramphenicol-nalidixic acid-ticarcillin (36/227, 15.8%). The most frequently observed resistance patterns differed among serotypes: ampicillin-chloramphenicol-nalidixic acid-ticarcillin resistance in S.
All Salmonella isolates (n=596) were grouped into three categories including the two most important serotypes, S. Enteritidis, S. Typhimurium. Salmonella isolates not belonging to serotypes S.
In conclusion, this study revealed that the most common resistance observed in salmonella isolates was to penicillin antibiotics, chloramphenicol, nalidxic acid, and tetracycline, while resistance to ciprofloxacin, cephalosporins, amikacin, and gentamicin was rare.
The most frequently observed resistance pattern of the isolates in the study was streptomycin-sulfonamide-tetracycline, which differed from that of our study. In this study, about 18% of S. Typhimurium isolates showed resistance to ampicillin-tetracycline-ticarcillin simultaneously.
The prevalence of antibiotic resistance differed among the three groups, and the most notable differences were observed in resistance to tetracycline and nalidixic acid: 15.7% and 42.7% of S. Enteritidis, 77.9% and 27.0% of S. Typhimurium, and 39.4% and 17.6% of serotype Others, respectively. S.
그 외의 살모넬라 분리주(227/596, 38%)는 세가지 이상의 약제에 내성을 나타냈다(다제내성균). 다제내성균이 가장 높은 비율로 나타난 혈청형은 S. Paratyphi B (76.5%), S. Typhimurium (58.2%), 그리고 S. Enteritidis (40.2%)의 순이었다. 가장 흔한 다제내성패턴은 ampicillinchloramphenicol-nalidixic acid-ticarcillin (36/227, 15.
지난 2000년부터 2009년까지 10년간 광주광역시 지역의 급성설사환자로부터 분리한 총 596개의 살모넬라균주에 대하여 총 16종의 항생제에 대한 감수성 검사를 실시한 결과, 내성빈도가 가장 높았던 약제는 ampicillin (43%), tetracycline (35.9%), nalidixic acid (31.5%), 그리고 chloramphenicol (26.2%) 순으로 나타났다. 혈청형 간에 항생제 내성률에 차이가 있었는데 S.
9%)이었다. 총 89가지 내성패턴이 관찰되었으며, 26% (155/596)의 살모넬라 분리주는 검사한 16가지 약제에 모두 감수성을 보였다. 약 21% (127/596) 및 15% (87/596)의 분리주는 각각 한 개 및 두 개의 약제에 내성을 나타냈다.
2%) 순으로 나타났다. 혈청형 간에 항생제 내성률에 차이가 있었는데 S. Enteritidis와 S. Typhimurium이 각각 가장 높은 내성률을 보인 약제는 ampicillin (51.1%)과 tetracycline (77.9%)이었다. 총 89가지 내성패턴이 관찰되었으며, 26% (155/596)의 살모넬라 분리주는 검사한 16가지 약제에 모두 감수성을 보였다.
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