Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients
Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was...
Ausführliche Beschreibung
Autor*in: |
Marziye Taheri [verfasserIn] Moein Saleh [verfasserIn] Amir Hesam Nemati [verfasserIn] Mehdi Ariana [verfasserIn] Esfandiar Shojaei [verfasserIn] Masoud Mardani [verfasserIn] Mohammad Katouli [verfasserIn] Mohammad Pooya [verfasserIn] |
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E-Artikel |
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Englisch |
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2016 |
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Übergeordnetes Werk: |
In: Journal of Medical Microbiology and Infectious Diseases - Pasteur Institute of Iran, 2021, 4(2016), 3, Seite 76-82 |
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Übergeordnetes Werk: |
volume:4 ; year:2016 ; number:3 ; pages:76-82 |
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DOAJ059033193 |
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520 | |a Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. | ||
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(DE-627)DOAJ059033193 (DE-599)DOAJ9fb5efb0fade47a4a13b8410585671f1 DE-627 ger DE-627 rakwb eng RB1-214 Marziye Taheri verfasserin aut Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. catheter-related infections uropathogenic escherichia coli bacterial drug resistance multiple drug resistance beta-lactam resistance Pathology Moein Saleh verfasserin aut Amir Hesam Nemati verfasserin aut Mehdi Ariana verfasserin aut Esfandiar Shojaei verfasserin aut Masoud Mardani verfasserin aut Mohammad Katouli verfasserin aut Mohammad Pooya verfasserin aut In Journal of Medical Microbiology and Infectious Diseases Pasteur Institute of Iran, 2021 4(2016), 3, Seite 76-82 (DE-627)1692878484 23455330 nnns volume:4 year:2016 number:3 pages:76-82 https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1 kostenfrei http://jommid.pasteur.ac.ir/article-1-135-en.html kostenfrei https://doaj.org/toc/2345-5349 Journal toc kostenfrei https://doaj.org/toc/2345-5330 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2016 3 76-82 |
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(DE-627)DOAJ059033193 (DE-599)DOAJ9fb5efb0fade47a4a13b8410585671f1 DE-627 ger DE-627 rakwb eng RB1-214 Marziye Taheri verfasserin aut Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. catheter-related infections uropathogenic escherichia coli bacterial drug resistance multiple drug resistance beta-lactam resistance Pathology Moein Saleh verfasserin aut Amir Hesam Nemati verfasserin aut Mehdi Ariana verfasserin aut Esfandiar Shojaei verfasserin aut Masoud Mardani verfasserin aut Mohammad Katouli verfasserin aut Mohammad Pooya verfasserin aut In Journal of Medical Microbiology and Infectious Diseases Pasteur Institute of Iran, 2021 4(2016), 3, Seite 76-82 (DE-627)1692878484 23455330 nnns volume:4 year:2016 number:3 pages:76-82 https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1 kostenfrei http://jommid.pasteur.ac.ir/article-1-135-en.html kostenfrei https://doaj.org/toc/2345-5349 Journal toc kostenfrei https://doaj.org/toc/2345-5330 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2016 3 76-82 |
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(DE-627)DOAJ059033193 (DE-599)DOAJ9fb5efb0fade47a4a13b8410585671f1 DE-627 ger DE-627 rakwb eng RB1-214 Marziye Taheri verfasserin aut Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. catheter-related infections uropathogenic escherichia coli bacterial drug resistance multiple drug resistance beta-lactam resistance Pathology Moein Saleh verfasserin aut Amir Hesam Nemati verfasserin aut Mehdi Ariana verfasserin aut Esfandiar Shojaei verfasserin aut Masoud Mardani verfasserin aut Mohammad Katouli verfasserin aut Mohammad Pooya verfasserin aut In Journal of Medical Microbiology and Infectious Diseases Pasteur Institute of Iran, 2021 4(2016), 3, Seite 76-82 (DE-627)1692878484 23455330 nnns volume:4 year:2016 number:3 pages:76-82 https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1 kostenfrei http://jommid.pasteur.ac.ir/article-1-135-en.html kostenfrei https://doaj.org/toc/2345-5349 Journal toc kostenfrei https://doaj.org/toc/2345-5330 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2016 3 76-82 |
allfieldsGer |
(DE-627)DOAJ059033193 (DE-599)DOAJ9fb5efb0fade47a4a13b8410585671f1 DE-627 ger DE-627 rakwb eng RB1-214 Marziye Taheri verfasserin aut Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. catheter-related infections uropathogenic escherichia coli bacterial drug resistance multiple drug resistance beta-lactam resistance Pathology Moein Saleh verfasserin aut Amir Hesam Nemati verfasserin aut Mehdi Ariana verfasserin aut Esfandiar Shojaei verfasserin aut Masoud Mardani verfasserin aut Mohammad Katouli verfasserin aut Mohammad Pooya verfasserin aut In Journal of Medical Microbiology and Infectious Diseases Pasteur Institute of Iran, 2021 4(2016), 3, Seite 76-82 (DE-627)1692878484 23455330 nnns volume:4 year:2016 number:3 pages:76-82 https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1 kostenfrei http://jommid.pasteur.ac.ir/article-1-135-en.html kostenfrei https://doaj.org/toc/2345-5349 Journal toc kostenfrei https://doaj.org/toc/2345-5330 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2016 3 76-82 |
allfieldsSound |
(DE-627)DOAJ059033193 (DE-599)DOAJ9fb5efb0fade47a4a13b8410585671f1 DE-627 ger DE-627 rakwb eng RB1-214 Marziye Taheri verfasserin aut Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. catheter-related infections uropathogenic escherichia coli bacterial drug resistance multiple drug resistance beta-lactam resistance Pathology Moein Saleh verfasserin aut Amir Hesam Nemati verfasserin aut Mehdi Ariana verfasserin aut Esfandiar Shojaei verfasserin aut Masoud Mardani verfasserin aut Mohammad Katouli verfasserin aut Mohammad Pooya verfasserin aut In Journal of Medical Microbiology and Infectious Diseases Pasteur Institute of Iran, 2021 4(2016), 3, Seite 76-82 (DE-627)1692878484 23455330 nnns volume:4 year:2016 number:3 pages:76-82 https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1 kostenfrei http://jommid.pasteur.ac.ir/article-1-135-en.html kostenfrei https://doaj.org/toc/2345-5349 Journal toc kostenfrei https://doaj.org/toc/2345-5330 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2016 3 76-82 |
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English |
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Antibiotic Resistance Pattern and Phylogenetic Groups of the Uropathogenic Escherichia coli Isolates Recovered from the Urinary Catheters of the Hospitalized Patients |
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Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. |
abstractGer |
Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. |
abstract_unstemmed |
Introduction: Almost 80% of nosocomial urinary tract infections (UTIs) are due to catheterization. Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs. |
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Catheter-associated UTI (CAUTI) is the primary source for colonization of antibiotic-resistant pathogens, and uropathogenic Escherichia coli (UPEC) is the most common causative bacteria. This study was conducted to determine the phylogenetic groups, and antibiotic resistance pattern as the two important features of pathogenicity of UPEC isolates collected from urinary catheters. Methods: The UPEC isolates were obtained from the urinary catheters of the patients without UTI, from two referral hospitals during 2015 to 2016. Phylogenetic grouping was performed using a multiplex PCR. Antibiotic susceptibility and extended spectrum beta-lactamase (ESBL) production were tested by the disc diffusion method. Multidrug resistance was determined based on a recent guideline. The presence of some resistance genes was examined by a PCR assay. Results: Thirty-eight percent of the isolates were UPEC, all of them belonged either to B2 (62.5%) or D (37.5%) phylogenetic groups. The UPEC isolates showed a very high resistance to ciprofloxacin (80%) and the third-generation cephalosporins (72.5%). Seventy percent of the isolates were ESBL-producing, and 90% of them were multiple drug resistant (MDR). Meanwhile, the frequency of the resistance genes: ctxM, aacIV, sul1, shv, and qnrA in the isolates were 95%, 82.5%, 77.5%, 72.5%, and 45%, respectively. Conclusion: High resistance to fluoroquinolones and third-generation cephalosporins, as well as high frequency of ESBL-producing and MDR UPEC isolates, are a great concern. This phenomenon is probably the consequence of the indiscriminate use and on the counter availability of antibiotics, which should be considered in empirical therapy of CAUTIs.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">catheter-related infections</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">uropathogenic escherichia coli</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">bacterial drug resistance</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">multiple drug resistance</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">beta-lactam resistance</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Pathology</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Moein Saleh</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield 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code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Journal of Medical Microbiology and Infectious Diseases</subfield><subfield code="d">Pasteur Institute of Iran, 2021</subfield><subfield code="g">4(2016), 3, Seite 76-82</subfield><subfield code="w">(DE-627)1692878484</subfield><subfield code="x">23455330</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:4</subfield><subfield code="g">year:2016</subfield><subfield code="g">number:3</subfield><subfield code="g">pages:76-82</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doaj.org/article/9fb5efb0fade47a4a13b8410585671f1</subfield><subfield code="z">kostenfrei</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://jommid.pasteur.ac.ir/article-1-135-en.html</subfield><subfield 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