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Cuningham W, Perera S, Coulter S, Wang Z, Tong SYC, Wozniak TM. Repurposing antibiotic resistance surveillance data to support treatment of recurrent infections in a remote setting. Sci Rep 2024; 14:2414. [PMID: 38287025 PMCID: PMC10825221 DOI: 10.1038/s41598-023-50008-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 12/14/2023] [Indexed: 01/31/2024] Open
Abstract
In northern Australia, a region with limited access to healthcare and a substantial population living remotely, antibiotic resistance adds to the complexity of treating infections. Focussing on Escherichia coli urinary tract infections (UTIs) and Staphylococcus aureus skin & soft tissue infections (SSTIs) captured by a northern Australian antibiotic resistance surveillance system, we used logistic regression to investigate predictors of a subsequent resistant isolate during the same infection episode. We also investigated predictors of recurrent infection. Our analysis included 98,651 E. coli isolates and 121,755 S. aureus isolates from 70,851 patients between January 2007 and June 2020. Following an initially susceptible E. coli UTI, subsequent recovery of a cefazolin (8%) or ampicillin (13%) -resistant isolate during the same infection episode was more common than a ceftriaxone-resistant isolate (2%). For an initially susceptible S. aureus SSTI, subsequent recovery of a methicillin-resistant isolate (8%) was more common than a trimethoprim-sulfamethoxazole-resistant isolate (2%). For UTIs and SSTIs, prior infection with a resistant pathogen was a strong predictor of both recurrent infection and resistance in future infection episodes. This multi-centre study demonstrates an association between antibiotic resistance and an increased likelihood of recurrent infection. Particularly in remote areas, a patient's past antibiograms should guide current treatment choices since recurrent infection will most likely be at least as resistant as previous infection episodes. Using population-level surveillance data in this way can also help clinicians decide if they should switch antibiotics for patients with ongoing symptoms, while waiting for diagnostic results.
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Affiliation(s)
- Will Cuningham
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia.
- Centre for Neonatal and Paediatric Infection, St. George's University of London, London, SW17 0RE, UK.
| | | | - Sonali Coulter
- Medication Services Queensland, Prevention Division, Department of Health, Brisbane, QLD, Australia
| | - Zhiqiang Wang
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
| | - Steven Y C Tong
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
- Victorian Infectious Diseases Service, The Royal Melbourne Hospital at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
- Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Teresa M Wozniak
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia.
- Australian e-Health Research Centre CSIRO, Brisbane, QLD, Australia.
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Hernández-Chiñas U, Ahumada-Cota RE, Navarro-Ocaña A, Chávez-Berrocal ME, Molina-López J, Rocha-Ramírez LM, Navarro-Cid del Prado A, Eslava CA. Phenotypic and genotypic characteristics of Escherichia coli strains isolated during a longitudinal follow-up study of chronic urinary tract infections. Front Public Health 2023; 11:1240392. [PMID: 38074750 PMCID: PMC10702777 DOI: 10.3389/fpubh.2023.1240392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 10/31/2023] [Indexed: 12/18/2023] Open
Abstract
Worldwide, Urinary Tract Infections (UTIs) are an important health problem with many cases reported annually, women being the most affected. UTIs are relevant because they can become a recurrent condition, associated with different factors that contribute to the chronicity of the disease (cUTI). cUTI can be classified as persistent (peUTI) when the causative agent is the same each time the infection occurs or as reinfection (reUTI) when the associated microorganism is different. The purpose of this work was to characterize Escherichia coli isolates obtained in two prospective studies of patients with cUTI, to define which of them corresponded to peUTI and which to reUTI. A total of 394 isolates of E. coli were analyzed by agglutination with specific sera, antimicrobial susceptibility by diffusion disc test, and the phylogroups and presence of genes associated with virulence by PCR assays. Additionally, in some characterized strains adherence, invasiveness, and biofilm formation were analyzed by in vitro assays. The results showed that the peUTI strains belonged mainly to the classical UPEC serogroups (O25, O75, O6), were included in the B2 phylogroup, carried a great number of virulence genes, and were adherent, invasive, and biofilm-forming. Meanwhile, reUTI strains showed great diversity of serogroups, belonged mainly in the A phylogroup, and carried fewer virulence genes. Both peUTI and reUTI strains showed extensively drug-resistant (XDR) and multidrug-resistant (MDR) profiles in the antimicrobial susceptibility test. In conclusion, it appears that peUTIs are caused principally by classical UPEC strains, while reUTIs are caused by strains that appear to be a part of the common E. coli intestinal biota. Moreover, although both peUTI and reUTI strains presented different serotypes and phylogroups, their antimicrobial resistance profile (XDR and MDR) was similar, confirming the importance of regulating prophylactic treatments and seeking alternatives for the treatment and control of cUTI. Finally, it was possible to establish the features of the E. coli strains responsible for peUTI and reUTI which could be helpful to develop a fast diagnostic methodology.
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Affiliation(s)
- Ulises Hernández-Chiñas
- Research Division, Public Health Department, Peripheral Unit of Basic and Clinical Research in Infectious Diseases, Faculty of Medicine, UNAM, Mexico City, Mexico
- Bacterial Pathogenicity Laboratory, Hemato-Oncology and Research Unit, Children’s Hospital of Mexico Federico Gómez, Mexico City, Mexico
| | - Ricardo E. Ahumada-Cota
- Bacterial Pathogenicity Laboratory, Hemato-Oncology and Research Unit, Children’s Hospital of Mexico Federico Gómez, Mexico City, Mexico
| | - Armando Navarro-Ocaña
- Bacteriology Laboratory, Public Health Department, Faculty of Medicine, UNAM, Mexico City, Mexico
| | - María E. Chávez-Berrocal
- Research Division, Public Health Department, Peripheral Unit of Basic and Clinical Research in Infectious Diseases, Faculty of Medicine, UNAM, Mexico City, Mexico
- Bacterial Pathogenicity Laboratory, Hemato-Oncology and Research Unit, Children’s Hospital of Mexico Federico Gómez, Mexico City, Mexico
| | - José Molina-López
- Research Division, Public Health Department, Peripheral Unit of Basic and Clinical Research in Infectious Diseases, Faculty of Medicine, UNAM, Mexico City, Mexico
- Bacterial Pathogenicity Laboratory, Hemato-Oncology and Research Unit, Children’s Hospital of Mexico Federico Gómez, Mexico City, Mexico
| | - Luz M. Rocha-Ramírez
- Unidad de Investigación en Enfermedades Infecciosas, Hospital Infantil de México Federico Gómez, Secretaría de Salud, Mexico City, Mexico
| | | | - Carlos A. Eslava
- Research Division, Public Health Department, Peripheral Unit of Basic and Clinical Research in Infectious Diseases, Faculty of Medicine, UNAM, Mexico City, Mexico
- Bacterial Pathogenicity Laboratory, Hemato-Oncology and Research Unit, Children’s Hospital of Mexico Federico Gómez, Mexico City, Mexico
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Vautrin N, Alexandre K, Pestel-Caron M, Bernard E, Fabre R, Leoz M, Dahyot S, Caron F. Contribution of Antibiotic Susceptibility Testing and CH Typing Compared to Next-Generation Sequencing for the Diagnosis of Recurrent Urinary Tract Infections Due to Genetically Identical Escherichia coli Isolates: a Prospective Cohort Study of Cystitis in Women. Microbiol Spectr 2023; 11:e0278522. [PMID: 37432136 PMCID: PMC10433834 DOI: 10.1128/spectrum.02785-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 06/28/2023] [Indexed: 07/12/2023] Open
Abstract
Recurrent cystitis is a common disease in women, mainly due to uropathogenic Escherichia coli (UPEC). For decades, typing methods now considered obsolete suggested that relapse by the same clone is dominant over reinfection, most UPEC strains being otherwise fully susceptible to antibiotics. We aimed to update these data. Thanks to a prospective study over 17 months, we recruited 323 women with cystitis. Of these, 251 of them had sporadic infection and 72 had recurrence, with 2 to 9 episodes per patient for a total of 131 UPEC isolates and 145 UPEC pairs at patient level. Phylogroups B2 (52.4%) and D (14.1%) were overall dominant, as expected due to their particular urovirulence. CH typing identified 119 distinct profiles with no CH type particularly associated with recurrence. Relapse was attested by CH typing for only 30.6% (22 out of 72), with very diverse situations ranging from all episodes due to the same clone to alternating reinfections and relapses. Next-generation sequencing confirmed the clonality for all but two of the 145 UPEC pairs. Antibiotic resistance was common for recurrent cystitis isolates (only 25 [17.2%] out of 145 UPEC pairs were fully susceptible), allowing us to predict UPEC clonality. Indeed, antibiotic susceptibility profile matched CH typing for 104 (71.7%) pairs. Finally, we demonstrated a large genetic diversity among UPEC isolates responsible for cystitis in women, even in cases of recurrence for which reinfection appeared dominant over relapse. Recurrent cystitis appears to be a heterogeneous disease requiring tailored treatment and prevention. IMPORTANCE More than half of women will experience cystitis during their lifetime. Among these women, 25% will experience a second episode within the following 6 months. It is epidemiologically important to discriminate relapses from reinfections. Relapse identification relies on long and laborious methods and might influence treatment. Therefore, the designation of time- and cost-effective strategies for this goal is of particular interest. Our work suggests using CH typing and antibiotic susceptibility profiles to type Escherichia coli, the main uropathogen.
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Affiliation(s)
- Nicolas Vautrin
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, Rouen, France
| | - Kévin Alexandre
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, CHU Rouen, Department of infectious diseases, Rouen, France
| | - Martine Pestel-Caron
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, CHU Rouen, Department of Bacteriology, Rouen, France
| | | | - Roland Fabre
- Laboratoire d’Analyses Médicales, Elbeuf, France
| | - Marie Leoz
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, Rouen, France
| | - Sandrine Dahyot
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, CHU Rouen, Department of Bacteriology, Rouen, France
| | - François Caron
- Univ Rouen Normandie, Univ Caen Normandie, INSERM, DYNAMICURE UMR 1311, CHU Rouen, Department of infectious diseases, Rouen, France
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Naber KG, Wagenlehner F, Kresken M, Cheng WY, Catillon M, Duh MS, Yu L, Khanal A, Mulgirigama A, Joshi AV, Ju S, Mitrani-Gold FS. Escherichia coli resistance, treatment patterns and clinical outcomes among females with uUTI in Germany: a retrospective physician-based chart review study. Sci Rep 2023; 13:12077. [PMID: 37495602 PMCID: PMC10372039 DOI: 10.1038/s41598-023-38919-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 07/17/2023] [Indexed: 07/28/2023] Open
Abstract
Real-world data were collected to examine antimicrobial resistance (AMR) prevalence, treatment patterns, and clinical outcomes among female patients with uncomplicated urinary tract infection (uUTI) in Germany. Data were from a retrospective physician-based chart review completed by physicians treating patients with uUTI. Non-pregnant women aged ≥ 12 years, with a uUTI diagnosis, an E. coli-positive urine culture between January 2017-December 2019, and susceptibility test results for ≥ 4 drug classes were eligible. Patients were stratified into three cohorts by drug class susceptibility: susceptible to all (SUS), resistant to one or two drug classes (DR1/2), and resistant to ≥ 3 (MDR) drug classes tested. Among 386 eligible patients [SUS (67.1%); DR1/2 (29.0%); MDR (3.9%)], AMR prevalence was highest for FMIs (18.3%) and lowest for fluoroquinolones (5.2%). The most prescribed drugs were fosfomycin in SUS (44.0%), DR1/2 (41.4%), and fluoroquinolones in MDR (40.0%). Treatment for uUTI failed for 8.8% of patients; failure was more likely in MDR versus SUS [adjusted odds ratio [95% CI] = 4.21 [1.14-1.50]; P = 0.031); incidence of recurrent infection in the 6-months post-index period was higher in DR1/2 versus SUS. These findings may have implications for empiric prescribing, suggesting an unmet need for new treatments.
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Affiliation(s)
| | - Florian Wagenlehner
- Clinic of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen, Giessen, Germany
| | | | | | | | | | - Louise Yu
- Analysis Group, Inc., Boston, MA, USA
| | | | | | - Ashish V Joshi
- GSK, 1250 S Collegeville Road, Collegeville, PA, 19426, USA
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Hidad S, van der Putten B, van Houdt R, Schneeberger C, Kuil SD. Recurrent E. coli Urinary Tract Infections in Nursing Homes: Insight in Sequence Types and Antibiotic Resistance Patterns. Antibiotics (Basel) 2022; 11:antibiotics11111638. [PMID: 36421283 PMCID: PMC9686610 DOI: 10.3390/antibiotics11111638] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022] Open
Abstract
Introduction: Recurrent urinary tract infections (rUTI) largely contribute to antibiotic use in older adults. Understanding the genetic characteristics of Escherichia coli (E.coli) is needed to identify patients at risk for recurrence. The aim of this study was to obtain a greater understanding of the genetics of E. coli rUTI in nursing home residents. Methods: This is a secondary analysis of a multicenter Dutch nursing home study (PROGRESS). E. coli strains from residents with a suspected UTI and positive urine culture were analyzed using antimicrobial susceptibility testing and whole-genome sequencing (WGS). Same-strain recurrences were identified by single-nucleotide polymorphism (SNP) analysis. Result: In total, 121 E. coli strains were analyzed using WGS, of which 54 belonged to a rUTI episode. One third of E. coli rUTI episodes were caused by the same strain (n = 18, 33.3%). Same-strain recurrence occurred anywhere between 30 and 434 days after the index UTI, caused by sequence types (ST): ST12, ST23, ST73, ST131, ST453, ST538 and ST2522, in seven nursing home residents. In both single UTI and rUTI, antimicrobial resistance rates were low. Conclusion: Recurrent UTI in nursing home residents are caused by same-strain E. coli as well as due to different E. coli strains or other uropathogens. Same-strain recurrence can occur over 400 days after the index UTI, suggesting that some strains have the ability to colonize the bladder or gut for longer periods.
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Affiliation(s)
- Soemeja Hidad
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Correspondence: or
| | - Boas van der Putten
- Netherlands Reference Laboratory for Bacterial Meningitis, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Robin van Houdt
- Department of Medical Microbiology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam UMC, University of Amsterdam, Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Caroline Schneeberger
- Center for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), 3721 MA Bilthoven, The Netherlands
| | - Sacha Daniëlle Kuil
- Department of Medical Microbiology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
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6
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Analysis of recurrent urinary tract infection management in women seen in outpatient settings reveals opportunities for antibiotic stewardship interventions. ANTIMICROBIAL STEWARDSHIP & HEALTHCARE EPIDEMIOLOGY 2022; 2:e8. [PMID: 36310787 PMCID: PMC9614978 DOI: 10.1017/ash.2021.224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/03/2022]
Abstract
Objectives: We characterized antibiotic prescribing patterns and management practices among recurrent urinary tract infection (rUTI) patients, and we identified factors associated with lack of guideline adherence to antibiotic choice, duration of treatment, and urine cultures obtained. We hypothesized that prior resistance to nitrofurantoin or trimethoprim–sulfamethoxazole (TMP-SMX), shorter intervals between rUTIs, and more frequent rUTIs would be associated with fluoroquinolone or β-lactam prescribing, or longer duration of therapy. Methods: This study was a retrospective database study of adult women with International Classification of Diseases, Tenth Revision (ICD-10) cystitis codes meeting American Urological Association rUTI criteria at outpatient clinics within our academic medical center between 2016 and 2018. We excluded patients with ICD-10 codes indicative of complicated UTI or pyelonephritis. Generalized estimating equations were used for risk-factor analysis. Results: Among 214 patients with 566 visits, 61.5% of prescriptions comprised first-line agents of nitrofurantoin (39.7%) and TMP-SMX (21.5%), followed by second-line choices of fluoroquinolones (27.2%) and β-lactams (11%). Most fluoroquinolone prescriptions (86.7%), TMP-SMX prescriptions (72.2%), and nitrofurantoin prescriptions (60.2%) exceeded the guideline-recommended duration. Approximately half of visits lacked a urine culture. Receiving care through urology via telephone was associated with receiving a β-lactam (adjusted odds ratio [aOR], 6.34; 95% confidence interval [CI], 2.58–15.56) or fluoroquinolone (OR, 2.28; 95% CI, 1.07–4.86). Having >2 rUTIs during the study period and seeking care from a urology practice (RR, 1.28, 95% CI, 1.15–1.44) were associated with longer antibiotic duration. Conclusions: We found low guideline concordance for antibiotic choice, duration of therapy and cultures obtained among rUTI patients. These factors represent new targets for outpatient antibiotic stewardship interventions.
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Hisano M, Bruschini H, Gomes CM. Empiric antimicrobial treatment in women with recurrent urinary tract infection. Neurourol Urodyn 2021; 40:941-942. [PMID: 33604943 DOI: 10.1002/nau.24628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 01/23/2021] [Indexed: 11/12/2022]
Affiliation(s)
- Marcelo Hisano
- Division of Urology, University of São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
| | - Homero Bruschini
- Division of Urology, University of São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
| | - Cristiano M Gomes
- Division of Urology, University of São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
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Maddali N, Cantin A, Koshy S, Eiting E, Fedorenko M. Antibiotic prescribing patterns for adult urinary tract infections within emergency department and urgent care settings. Am J Emerg Med 2020; 45:464-471. [PMID: 33067064 DOI: 10.1016/j.ajem.2020.09.061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 11/30/2022] Open
Abstract
Urinary tract infections (UTI) are a common reason for emergency department (ED) and urgent care (UC) visits. Fluoroquinolones (FQ) are frequently prescribed for treatment of UTI in the outpatient setting; however, data evaluating prescribing patterns after FDA safety warnings is limited, especially in UC. The study goal was to investigate and compare antimicrobial prescribing for UTIs in a single-site ED and an off-site UC in an urban, academic health system. This retrospective study included patients presenting with a UTI to the ED or UC between January and June 2018. Those 18 years or older with uncomplicated, complicated UTI, or pyelonephritis were included. Exclusion criteria were catheter-related UTI, urinary tract abnormalities, immunocompromised, or hospitalization. Primary outcome was FQ prescribing rate for all UTI in the ED and UC. Secondary outcomes were rates of non-FQ prescribing, re-presentation, bug-drug mismatch, and treatment durations. 184 patients were included. FQ prescribing rate was similar in ED and UC (21.2% vs. 16.3%, p = 0.4). Non-FQs prescribed in ED and UC were nitrofurantoin (20.2% vs 53.6%), beta-lactams (46.1% vs 22.6%), and trimethoprim/sulfamethoxazole (12.5% vs. 5%). A longer than recommended duration was identified in 46.3% UC patients compared to 21.2% ED patients. Thirty-day re-presentation with persistent UTI symptoms occurred more frequently in the ED compared to UC (13.5% vs. 7.5%). Predictors of FQ prescribing on logistic regression were male, recurrent UTI, and malignancy. FQ prescribing rate for UTI treatment was low with no difference between ED and UC. Opportunity exists to improve treatment duration and antimicrobial choice.
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Affiliation(s)
- Navya Maddali
- Department of Pharmacy, Mount Sinai Beth Israel, New York, NY, United States.
| | - Amanda Cantin
- Department of Pharmacy, Mount Sinai Beth Israel, New York, NY, United States
| | - Sanjana Koshy
- Division of Infectious Diseases, Mount Sinai Beth Israel, New York, NY, United States; Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Erick Eiting
- Department of Emergency Medicine, Mount Sinai Beth Israel, New York, NY, United States; Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Marianna Fedorenko
- Department of Pharmacy, Mount Sinai Beth Israel, New York, NY, United States
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Ramos JN, Valadão TB, Baio PVP, Mattos-Guaraldi AL, Vieira VV. Novel mutations in the QRDR region gyrA gene in multidrug-resistance Corynebacterium spp. isolates from intravenous sites. Antonie van Leeuwenhoek 2019; 113:589-592. [PMID: 31736013 PMCID: PMC7089888 DOI: 10.1007/s10482-019-01353-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 10/18/2019] [Indexed: 12/16/2022]
Abstract
The resistance to fluoroquinolones in corynebacteria is due to mutations occurring in the quinolone-resistance-determining region (QRDR) of the gyrA gene encoding the enzyme gyrase A subunit. In recent years we can observe an increasing number of infections caused by multidrug-resistant Corynebacterium striatum, Corynebacterium jeikeium and Corynebacterium urealyticum, including wide range of disorders, such as invasive infections. In this study 14 Corynebacterium spp. isolated from intravenous sites were sequenced and new combinations of mutations in the QRDR of the gyrA gene were found in C. jeikeium and C. urealyticum. Nowadays, no study comparing mutations in this region and the susceptibility to fluoroquinolones in C. jeikeium and C. urealyticum has been described. All the isolates that showed double mutation (position 87 and 91) in the QRDR gyrA gene had high MIC to the fluoroquinolones tested.
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Affiliation(s)
- Juliana Nunes Ramos
- Instituto Nacional de Controle de Qualidade em Saúde (INCQS), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
- Laboratório de Difteria e Corinebactérias de Importância Clínica (LDCIC), Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Talita Bernardo Valadão
- Instituto Nacional de Controle de Qualidade em Saúde (INCQS), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Brazil
- Laboratório Interdisciplinar de Pesquisas Médicas (LIPMED), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (FIOCRUZ), Av. Brasil, 4365, Pavilhão Cardoso Fontes, 10 andar, sala 17, Manguinhos, Rio de Janeiro, RJ, CEP 21040-900, Brazil
| | - Paulo Victor Pereira Baio
- Laboratório de Difteria e Corinebactérias de Importância Clínica (LDCIC), Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório Químico-Farmacêutico do Exército (LQFEx), Ministério da Defesa, Rio de Janeiro, Brazil
| | - Ana Luiza Mattos-Guaraldi
- Laboratório de Difteria e Corinebactérias de Importância Clínica (LDCIC), Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Verônica Viana Vieira
- Laboratório Interdisciplinar de Pesquisas Médicas (LIPMED), Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (FIOCRUZ), Av. Brasil, 4365, Pavilhão Cardoso Fontes, 10 andar, sala 17, Manguinhos, Rio de Janeiro, RJ, CEP 21040-900, Brazil.
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Srougi V, Moscardi PR, Marchini GS, Berjeaut RH, Torricelli FC, Mesquita JL, Srougi M, Mazzucchi E. Septic Shock Following Surgical Decompression of Obstructing Ureteral Stones: A Prospective Analysis. J Endourol 2018; 32:446-450. [DOI: 10.1089/end.2017.0896] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Victor Srougi
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Paulo R. Moscardi
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Giovanni S. Marchini
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Ricardo Haidar Berjeaut
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Fabio C. Torricelli
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Jose L.B. Mesquita
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Miguel Srougi
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
| | - Eduardo Mazzucchi
- Division of Urology, Hospital das Clínicas de São Paulo, University of São Paulo Medical School, São Paulo, Brazil
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Gessese YA, Damessa DL, Amare MM, Bahta YH, Shifera AD, Tasew FS, Gebremedhin EZ. Urinary pathogenic bacterial profile, antibiogram of isolates and associated risk factors among pregnant women in Ambo town, Central Ethiopia: a cross-sectional study. Antimicrob Resist Infect Control 2017; 6:132. [PMID: 29299306 PMCID: PMC5747040 DOI: 10.1186/s13756-017-0289-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 12/18/2017] [Indexed: 11/10/2022] Open
Abstract
Background Urinary tract infection (UTI) is a well-known bacterial infection posing serious health problem in pregnant women. A study was conducted in pregnant women with the objectives of estimating prevalence of UTI, determining antibiogram of the bacterial isolates and assessment of the potential risk factors associated with UTI. Methods A cross-sectional study design was used to collect 300 mid-stream urine samples from pregnant women from March 2016 to December, 2016. Samples were inoculated into Cysteine Lactose Electrolyte Deficient medium (CLED). Colonies from CLED were subcultured onto MacConkey and Blood agar plates. A standard agar disc diffusion method was used to determine antimicrobial susceptibility. Chi-square (X2) test & logistic regression were used to show associations between UTI and explanatory variables & identify the predictors of UTI, respectively. Results The age of pregnant women enrolled in this study ranges from 16 to 46 years (mean ± standard deviation = 25 ± 4.7 years).The overall prevalence of UTI in pregnant women was 18.7% (95% confidence interval [CI]: 14.4-23.54%).The prevalence of symptomatic and asymptomatic UTI was 20.4% (95% CI: 13.09-29.46%) and 17.8% (95% CI: 12.70-23.83%) respectively. The predominant bacteria identified were E. coli (46.4%), S. aureus (14.3%), coagulase negative Staphylococci [CoNS] (14.3%) and Proteus species (10.6%). Majority of Gram-negative bacteria isolates were resistant to ampicillin (70%), ceftriaxon (66%), gentamicin (68%) and nitrofurantoin (64%) while 75-100% of the Gram positive isolates were resistance to ampicillin. Multiple drug resistance was observed in all of the isolates. Multivariable logistic regression revealed that the odds of acquiring UTI was 4.78 times higher in pregnant women earning monthly income of ≤500 Ethiopian Birr (21.18 USD) as compared to those earning monthly income >2001 Ethiopian Birr [84.79 USD] (P = 0.046). Similarly, the risk of UTI was higher in those who eat raw meat (OR = 2.04, 95% CI: 1.09, 3.83, P = 0.026) and had previous UTI history (OR = 2.29, 95% CI = 1.15-4.56, P = 0.019) as compared to those who eat cooked meat and had no previous history of UTI. Conclusions The prevalence & antimicrobial resistance of uropathogens was high. Health education, continuous surveillance of UTI and their antimicrobial resistance pattern are essential to reduce the consequence of symptomatic and asymptomatic bacteriuria and multi-drug resistant bacteria in pregnant women.
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Affiliation(s)
- Yonas Alem Gessese
- Department of Medical Laboratory Sciences, Ambo University, College of Medicine and Health Sciences, Ambo, Ethiopia
| | - Dereje Leta Damessa
- West Shewa Health Bureau, Ambo District Health Office, Awaro Health Center, Ambo, Ethiopia
| | - Mebratenesh Mengistu Amare
- Department of Medical Laboratory Sciences, Ambo University, College of Medicine and Health Sciences, Ambo, Ethiopia
| | - Yonas Hailesilassie Bahta
- Department of Medical Laboratory Sciences, Ambo University, College of Medicine and Health Sciences, Ambo, Ethiopia
| | - Assalif Demisew Shifera
- Department of Medical Laboratory Sciences, Ambo University, College of Medicine and Health Sciences, Ambo, Ethiopia
| | | | - Endrias Zewdu Gebremedhin
- Department of Veterinary Laboratory Technology, Ambo University, College of Agriculture and Veterinary Sciences, Ambo, Ethiopia
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Urinary Tract Infections in Women: Pathogenesis, Diagnosis, and Management. CURRENT BLADDER DYSFUNCTION REPORTS 2016. [DOI: 10.1007/s11884-016-0351-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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