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Requena-Cabello H, Rodríguez-Guerrero E, Expósito-Ruiz M, Navarro-Marí JM, Gutierrez-Fernandez J. Antibiotic resistances of Pseudomonas aeruginosa and Acinetobacter baumannii in urine cultures: experience in a hospital of Southeast Spain. APMIS 2024; 132:100-111. [PMID: 37971152 DOI: 10.1111/apm.13360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
The objectives of this study were to perform a systematic review of publications between 2010 and 2021 on the antibiotic resistance of Pseudomonas aeruginosa and Acinetobacter baumannii from urinary tract infections and to analyze changes over time in hospital urine cultures from 2016 through 2021. The literature was searched, and a retrospective cross-sectional descriptive study was performed in the hospital. Out of 21 838 positive urine cultures, 3.86% were due to P. aeruginosa and 0.44% were due to A. baumannii. For P. aeruginosa, lower resistance rates were observed to virtually all tested antibiotics than were obtained in the systematic review, and the present series of hospital samples showed an in vitro resistance rate <10% to ceftazidime, cefepime, meropenem, piperacillin-tazobactam, amikacin, tobramycin, and colistin. For A. baumannii, the resistance rates to almost all antibiotics were higher in the present series than in the systematic review, being lowest to colistin (10%). Both microorganisms show reduced in vitro susceptibility to some antibiotics during the years of the COVID-19 pandemic in comparison to previous years. In our setting, both piperacillin-tazobactam and meropenem can be recommended for the empirical treatment of UTIs by P. aeruginosa, whereas only colistin can be recommended for UTIs by A. baumannii.
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Affiliation(s)
- Horacio Requena-Cabello
- Departamento de Microbiología, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Universidad de Granada, Granada, Spain
| | - Enrique Rodríguez-Guerrero
- Servicio de Microbiología, Hospital Virgen de las Nieves, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Granada, Spain
| | - Manuela Expósito-Ruiz
- Departamento de Estadística e Investigación Operativa, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Universidad de Granada, Granada, Spain
| | - José María Navarro-Marí
- Servicio de Microbiología, Hospital Virgen de las Nieves, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Granada, Spain
| | - Jose Gutierrez-Fernandez
- Departamento de Microbiología, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Universidad de Granada, Granada, Spain
- Servicio de Microbiología, Hospital Virgen de las Nieves, Instituto de Investigación BioSanitaria de Granada (Ibs-Granada), Granada, Spain
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Kawalec A, Józefiak J, Kiliś-Pstrusińska K. Urinary Tract Infection and Antimicrobial Resistance Patterns: 5-Year Experience in a Tertiary Pediatric Nephrology Center in the Southwestern Region of Poland. Antibiotics (Basel) 2023; 12:1454. [PMID: 37760750 PMCID: PMC10525788 DOI: 10.3390/antibiotics12091454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/04/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
(1) Background: Urinary tract infections (UTIs) are among the most common infections in the pediatric population. This study aimed to analyze the urine culture results and antimicrobial patterns over the last 5 years in children diagnosed with UTI. (2) Methods: Retrospective analysis of medical records of 242 patients hospitalized in the Pediatric Nephrology Department diagnosed with a UTI in the years 2018-2022. (3) Results: The most common causative agent was E. coli, responsible for 64% of UTIs, followed by Klebsiella spp. (16%), Pseudomonas spp. (6%), Enterobacter spp. (4%), Proteus spp. (4%), and Enterococcus spp. (3%). Non-E. coli UTIs were significantly more frequently observed in patients with congenital anomalies of the kidney and urinary tract or neurogenic bladder and patients receiving antibiotic prophylaxis. For the whole study period, 32% of E. coli were resistant to amoxicillin/clavulanic acid, 23.3% to trimethoprim/sulfamethoxazole, 12.2% to ciprofloxacin, and 4.4% to nitrofurantoin. During 2018-2022, the prevalence of E. coli resistant to amoxicillin/clavulanic acid varied from 16.7% to 41.2%, and resistance to cefuroxime increased four times (from 4% in 2018 to 16.7% in 2022). Starting in 2021, all isolated E. coli strains were classified as susceptible-increased exposure or resistant to cefuroxime. (4) Conclusion: Managing pediatric UTIs remains challenging in clinical practice. The choice of optimal empiric treatment should be considered following local recommendations and individual risk factors assessment and require careful dosage adjustment. Observed changes in antimicrobial resistance indicated the need for frequent updating of local recommendations for the management of pediatric patients with UTIs.
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Affiliation(s)
- Anna Kawalec
- Clinical Department of Pediatric Nephrology, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland
- Clinic of Pediatric Nephrology, University Hospital in Wroclaw, Borowska Street 213, 50-556 Wroclaw, Poland
| | - Justyna Józefiak
- Clinic of Pediatric Nephrology, University Hospital in Wroclaw, Borowska Street 213, 50-556 Wroclaw, Poland
| | - Katarzyna Kiliś-Pstrusińska
- Clinical Department of Pediatric Nephrology, Wroclaw Medical University, Borowska Street 213, 50-556 Wroclaw, Poland
- Clinic of Pediatric Nephrology, University Hospital in Wroclaw, Borowska Street 213, 50-556 Wroclaw, Poland
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Nazli Zeka A, Avkan‐Oguz V, Irmak C, Eren Kutsoylu O, Alp Cavus S, Kuruüzüm Z, Ergon MC. Daily inpatient ertapenem therapy can be an alternative to hospitalization for the treatment of complicated urinary tract infections during the COVID-19 pandemic. Int J Clin Pract 2021; 75:e14230. [PMID: 33864405 PMCID: PMC8250208 DOI: 10.1111/ijcp.14230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Physicians hospitalize the patients with complicated urinary tract infections (cUTIs) when they need intravenous antibiotics and outpatient parenteral antimicrobial therapy (OPAT) is unavailable. Daily inpatient antimicrobial therapy is an alternative to hospitalization, which is similar to OPAT; patients go home after they are administered antibiotics in a separate room in the hospital setting. OBJECTIVES We assessed our previous daily inpatient practice to revitalize the model in the COVID-19 era. MATERIALS AND METHODS We retrospectively evaluated the clinical and microbiological responses and the cost effectiveness of the patients with cUTIs who received daily inpatient ertapenem therapy. RESULTS Our study population was 136 patients in 156 episodes. It was a difficult-to-treat group with older age (mean 63.0 ± 14.8 years) and a high burden of underlying conditions (86.5%). The most common causative organisms were Escherichia coli (74.4%) and Klebsiella pneumoniae (19.2%); 89.7% of the isolates were producing extended-spectrum beta lactamase (ESBL). The microbiologic and clinical success rates were 82.1% and 95.5%, respectively. The patients required hospitalization in 16 episodes (10.2%) because of clinical failures (3.8%), superinfections (2%), planned invasive interventions (3.2%), and side effects (1.2%). Our university hospital saved 1608 bed-days and 2596 € (9702 TL) bed costs. CONCLUSIONS In the COVID-19 pandemic period, this seems to be an effective, safe, and cost-effective way to decrease hospitalizations for cUTIs in settings where OPAT is unavailable.
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Affiliation(s)
- Arzu Nazli Zeka
- Infectious Diseases and Clinical MicrobiologyFaculty of MedicineDokuz Eylül UniversityIzmirTurkey
| | - Vildan Avkan‐Oguz
- Infectious Diseases and Clinical MicrobiologyDokuz Eylul Universitesi Tip FakultesiIzmirTurkey
| | - Caglar Irmak
- Infectious Diseases and Clinical MicrobiologyDokuz Eylul Universitesi Tip FakultesiIzmirTurkey
| | - Oya Eren Kutsoylu
- Infectious Diseases and Clinical MicrobiologyFaculty of MedicineDokuz Eylül UniversityIzmirTurkey
| | - Sema Alp Cavus
- Infectious Diseases and Clinical MicrobiologyDokuz Eylul Universitesi Tip FakultesiIzmirTurkey
| | - Ziya Kuruüzüm
- Infectious Diseases and Clinical MicrobiologyDokuz Eylul Universitesi Tip FakultesiIzmirTurkey
| | - M. Cem Ergon
- Medical MicrobiologyDokuz Eylul University Faculty of MedicineIzmirTurkey
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Fenta A, Dagnew M, Eshetie S, Belachew T. Bacterial profile, antibiotic susceptibility pattern and associated risk factors of urinary tract infection among clinically suspected children attending at Felege-Hiwot comprehensive and specialized hospital, Northwest Ethiopia. A prospective study. BMC Infect Dis 2020; 20:673. [PMID: 32938424 PMCID: PMC7493977 DOI: 10.1186/s12879-020-05402-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/08/2020] [Indexed: 12/16/2022] Open
Abstract
Background Urinary tract infection is one of the most common bacterial infections in children. Understanding the characteristics of uropathogens and their antimicrobial susceptibility pattern in a particular setting can provide evidence for the appropriate management of cases. This study aimed to assess the bacterial profile of urinary tract infection, their antimicrobial susceptibility pattern and associated factors among clinically suspected children attending at Felege-Hiwot Comprehensive Specialized Hospital, Northwest Ethiopia. Methods A hospital-based cross-sectional study was conducted from February–April, 2019. A systematic sampling technique was employed. A mid-stream urine sample was inoculated on cystine lactose electrolyte deficient media and incubated for 24–48 h. Sub-culturing was done on Mac-Conkey and blood agar. Antimicrobial susceptibility test was done on Muller-Hinton agar. A binary logistic regression model was used to see the association between dependent and independent factors. A p-value< 0.05 at 95% CI was considered as statistically significant. Results The overall prevalence of urinary tract infection was 16.7% (95% CI 12.4–21.1). Both Gram-negative and Gram-positive bacterial isolates were recovered with a rate of 44/50 (88%) and 6/50 (12%) respectively. Among Gram-negative isolates, E. coli 28/44(63.6%) was predominant while S. saprophyticus 2/6(33.3%) was prevalent among Gram-positive bacterial isolates. Overall, a high level of resistance to ampicillin, augmentin, and tetracycline was shown by Gram-negative bacteria with a rate of 44/44(100%), 39/44(88.6%), and36/44 (81.8%) respectively. About 33/50(66%) of overall multidrug resistance was observed (95% CI 52–78). About six Gram-negative bacterial isolates were extended spectrum beta-lactamase (ESBL) producers. Having a history of urinary tract infection (P-0.003, AOR 1.86–22.15) and male uncircumcision (p-0.00, AOR 5.5–65.35) were the independent variables that associate for urinary tract infections. Conclusion In the present study, the prevalence of urinary tract infection among children was high and considerably a high proportion of multidrug resistance was observed. This result will have a significant impact on the selection of appropriate antimicrobial agents for the treatment of urinary tract infection.
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Affiliation(s)
- Adugna Fenta
- Wogera primary hospital, North Gondar, Gondar, Ethiopia
| | - Mulat Dagnew
- College of Medicine and Health Sciences, School of Biomedical and Laboratory Sciences, Department of Medical Microbiology, University of Gondar, Gondar, Ethiopia
| | - Setegn Eshetie
- College of Medicine and Health Sciences, School of Biomedical and Laboratory Sciences, Department of Medical Microbiology, University of Gondar, Gondar, Ethiopia
| | - Teshome Belachew
- College of Medicine and Health Sciences, School of Biomedical and Laboratory Sciences, Department of Medical Microbiology, University of Gondar, Gondar, Ethiopia.
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Yazdi M, Bouzari M, Ghaemi EA, Shahin K. Isolation, Characterization and Genomic Analysis of a Novel Bacteriophage VB_EcoS-Golestan Infecting Multidrug-Resistant Escherichia coli Isolated from Urinary Tract Infection. Sci Rep 2020; 10:7690. [PMID: 32376832 PMCID: PMC7203180 DOI: 10.1038/s41598-020-63048-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 03/05/2020] [Indexed: 12/12/2022] Open
Abstract
Escherichia coli (E. coli) is one of the most common uropathogenic bacteria. The emergence of multi-drug resistance among these bacteria resulted in a worldwide public health problem which requires alternative treatment approaches such as phage therapy. In this study, phage VB_EcoS-Golestan, a member of Siphoviridae family, with high lytic ability against E. coli isolates, was isolated from wastewater. Its burst size was large and about 100 plaque-forming units/infected cell, rapid adsorption time, and high resistance to a broad range of pH and temperatures. Bioinformatics analysis of the genomic sequence suggests that VB_EcoS-Golestan is a new phage closely related to Escherichia phages in the Kagunavirus genus, Guernseyvirinae subfamily of Siphoviridae. The genome size was 44829 bp bp that encodes 78 putative ORFs, no tRNAs, 7 potential promoter sequences and 13 Rho-factor-independent terminators. No lysogenic mediated genes were detected in VB_EcoS-Golestan genome. Overall VB_EcoS-Golestan might be used as a potential treatment approach for controlling E. coli mediated urinary tract infection, however, further studies are essential to ensure its safety.
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Affiliation(s)
- Mahsa Yazdi
- Department of Biology, Faculty of Sciences, University of Isfahan, 81746-73441, Isfahan, Iran
| | - Majid Bouzari
- Department of Biology, Faculty of Sciences, University of Isfahan, 81746-73441, Isfahan, Iran.
| | - Ezzat Allah Ghaemi
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, 4934174515, Gorgan, Iran.
| | - Khashayar Shahin
- Department of Biology, Faculty of Sciences, University of Isfahan, 81746-73441, Isfahan, Iran
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Al-Ouqaili MT, Khalaf EA, Al-Kubaisy SH. DNA Sequence Analysis of BlaVEB Gene Encoding Multi-drug Resistant and Extended-spectrum β-lactamases Producer Isolates of Enterobacteriaceae and Pseudomonas aeruginosa. Open Microbiol J 2020. [DOI: 10.2174/1874285802014010040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objective:
Multi-drug resistance Gram-negative bacteria possessing Extended-Spectrum β-Lactamase (ESBL) genes are of concern because of their resistance to third-generation cephalosporins. This study aims to investigate the molecular basis of resistance to modern β-lactams by ESBLs encoded by the blaVEB gene and the gene’s role in resistance. Also, gene sequencing was used to compare genetic similarities with global isolates using phylogenetic and cluster analyses.
Methods:
Between March and July 2018, a total of 100 Iraqi clinical isolates were examined, in this cross-sectional study, to determine their ESBL status using the double-disc synergy technique. Polymerase Chain Reactions (PCRs) were performed on extracted blaVEB genes and sequencing of the target PCR products was performed. All blaVEB sequences were compared with the available sequence data, using BLAST searches against the GenBank database.
Results:
A total of 35 isolates, comprising 5 Escherichia coli, 18 Klebsiella pneumoniae, and 12 Pseudomonas aeruginosa isolates were confirmed to possess ESBLs; the blaVEB gene was detected in one isolate of each species. The sequencing of these genes revealed 99% similarity with the global standard genes deposited in GenBank.
Conclusion:
The blaVEB gene plays an essential role in the resistance of ESBL-producing isolates to new β-lactams. Further, the sequencing and phylogenetic analyses of the genes from the P. aeruginosa, K. pneumonia, and E. coli isolates revealed 99% similarity with the GenBank global standard genes.
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Prevalence of blaTEM, blaSHV, and blaCTX-M Genes among ESBL-Producing Klebsiella pneumoniae and Escherichia coli Isolated from Thalassemia Patients in Erbil, Iraq. Mediterr J Hematol Infect Dis 2019; 11:e2019041. [PMID: 31308917 PMCID: PMC6613628 DOI: 10.4084/mjhid.2019.041] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 06/10/2019] [Indexed: 11/23/2022] Open
Abstract
Background Due to the recent appearance of organisms that are resistant to several drugs (multidrug-resistant) like Enterobacteriaceae that produce extended-spectrum β-lactamase (ESBL, concerns have remarkably increased regarding the suitable treatment of infections. The present study was an investigation into ESBL molecular characteristics among clinical isolates of Klebsiella pneumoniae and Escherichia coli resulting in urinary tract infections (UTIs) and their pattern of antimicrobial resistance in order to come up with helpful information on the epidemiology of these infections and risk factors accompanied with them. Methods In order to conduct the study, 20 K. pneumoniae and 48 E. coli were isolated and retrieved from thalassemia center in Erbil, Iraq during July 2016 and September 2016. The collected strains were analyzed and the profile of their antimicrobial susceptibility was specified. In order to spot β-lactamase genes (i.e. blaTEM, blaSHV, and blaCTX-M), polymerase chain reaction was conducted. Results The findings obtained from multiplex PCR assay showed that out of the collected strains of ESBL-producing E. coli, had 81% blaTEM, 16.2% blaSHV, and 32.4% blaCTX-M genes. Similarly, 64.7% blaTEM, 35.2% blaSHV, and 41.1% blaCTX-M genes existed in the isolates of K. pneumoniae. It was found that antibiotic resistance pattern of E. coli and K. pneumoniae isolates to 20 antibiotics varied widely. It was also concluded that the majority of the K. pneumoniae and E. coli isolates were multi-drug resistant (MDR). Moreover, 75% and 87.5% of respectively K. pneumoniae and E. coli isolates showed the MDR phenotypes. Conclusion TEM prevalence was high among other types of ESBLs. Over all, the most active antimicrobial agents in vitro remained to be the carbapenems.
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Hyun M, Lee JY, Kim HA, Ryu SY. Comparison of Escherichia coli and Klebsiella pneumoniae Acute Pyelonephritis in Korean Patients. Infect Chemother 2019; 51:130-141. [PMID: 31270992 PMCID: PMC6609746 DOI: 10.3947/ic.2019.51.2.130] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 04/16/2019] [Indexed: 12/15/2022] Open
Abstract
Background Escherichia coli and Klebsiella pneumoniae are two of the most common causes of urinary tract infection. The purpose of this study was to compare clinical characteristics and antimicrobial susceptibility of acute pyelonephritis (APN) between E. coli and K. pneumoniae. Materials and Methods We retrospectively reviewed medical records of patients with APN due to E. coli and K. pneumoniae between February 2014 and October 2017. Results A total 329 patients were enrolled; 258 cases of E. coli and 71 cases of K. pneumoniae. Among them, 219 cases were categorized into community-onset APN; 194 cases of E. coli and 25 cases of K. pneumoniae, and 110 patients were categorized into healthcare-associated APN; 64 cases of E. coli and 46 cases of K. pneumoniae. Catheter-associated APN was more frequently observed in K. pneumoniae in both community-onset and healthcare-associated APN. Neurogenic bladder, obstructive uropathy, urinary tract stone, bacteremia, and severe APN were more related to E. coli in healthcare-associated APN. In multivariate analysis, urinary catheter was more associated with K. pneumoniae (odds ratio [OR] 9.643, 95% confidence intervals [CI] 4.919-18.904, P = 0.001) and neurogenic bladder was more associated with E. coli (OR 3.765, 95% CI 1.112-12.772, P = 0.033). Extended-spectrum β-lactamase (ESBL) production was observed in 29.0% of E. coli in community-onset APN. Among ESBL, antimicrobial susceptibility of piperacillin/tazobactam was significantly higher in E. coli and ciprofloxacin was significantly higher in K. pneumoniae. Conclusion K. pneumoniae were more associated with urinary catheter while E. coli tended to be more associated with urogenital problems. ESBL positivity showed no significance in healthcare-associated APN. In community-onset APN, ESBL producing E. coli was more observed than K. pneumoniae.
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Affiliation(s)
- Miri Hyun
- Department of Infectious Diseases, Keimyung University Dongsan Medical Center, Daegu, Korea
| | - Ji Yeon Lee
- Department of Infectious Diseases, Keimyung University Dongsan Medical Center, Daegu, Korea
| | - Hyun Ah Kim
- Department of Infectious Diseases, Keimyung University Dongsan Medical Center, Daegu, Korea
| | - Seong Yeol Ryu
- Department of Infectious Diseases, Keimyung University Dongsan Medical Center, Daegu, Korea.
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