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Everard C, Schampaert A, Doyen L, Verbelen V, Marot JC, Wieërs G. Intravenous cefuroxime as a first-line treatment for women hospitalized for pyelonephritis. JAC Antimicrob Resist 2024; 6:dlae071. [PMID: 38716400 PMCID: PMC11073747 DOI: 10.1093/jacamr/dlae071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/15/2024] [Indexed: 06/29/2024] Open
Abstract
Background Empirical treatment of pyelonephritis in the emergency ward includes broad-spectrum antibiotics. Such a strategy favours broad-spectrum antibiotic overuse. Local antibiotic stewardship teams can propose local recommendations to adapt empirical antibiotic treatment devoted to spare precious molecules that remain active on MDR bacteria, such as fluoroquinolones or other broad-spectrum antibiotics. Objectives We aimed to evaluate the incidence of urinary tract infection recurrence within 3 months after hospital discharge following empirical antibiotic therapy with cefuroxime in women with pyelonephritis in the emergency room. Patients and methods We conducted a retrospective, single-centre study. We identified 109 women treated for pyelonephritis, 95 with cefuroxime at any time, and 14 with only other antibiotics, and divided them into subgroups based on antibiotic switch to other molecules. We compared the incidence of urinary tract infection recurrence in the subgroups. Results In the group of patients treated with cefuroxime only, we identified five cases of recurrence (9.4%) in a total of 53 patients, but only 1 (1.9%) case of recurrence associated with the same uropathogen. No significant difference in clinical outcome, length of antibiotic treatment, or urinary tract infection recurrence was observed between the subgroups. Conclusions Our study supports that a strategy elaborated by an antibiotic stewardship team based on local ecology and aimed at proposing the narrowest-spectrum antibiotic upon treatment initiation in the emergency room is safe.
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Affiliation(s)
- Céline Everard
- Service of Internal Medicine, Clinique Saint-Pierre, Ottignies, Belgium
| | - Axelle Schampaert
- Service of Internal Medicine, Clinique Saint-Pierre, Ottignies, Belgium
| | - Louise Doyen
- Service of Internal Medicine, Clinique Saint-Pierre, Ottignies, Belgium
| | - Valérie Verbelen
- Service of Microbiology, Clinique Saint Pierre, Ottignies, Belgium
| | | | - Grégoire Wieërs
- Service of Internal Medicine, Clinique Saint-Pierre, Ottignies, Belgium
- Faculty of Medicine, Department of Medicine, URPC, Namur Research Institute for Life Sciences (NARILIS), University of Namur, Namur, Belgium
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Pharmacodynamics of Piperacillin-Tazobactam/Amikacin Combination versus Meropenem against Extended-Spectrum β-Lactamase-Producing Escherichia coli in a Hollow Fiber Infection Model. Antimicrob Agents Chemother 2022; 66:e0016222. [PMID: 35924928 PMCID: PMC9487465 DOI: 10.1128/aac.00162-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Carbapenems are recommended for the treatment of urosepsis caused by extended-spectrum β-lactamase (ESBL)-producing, multidrug-resistant Escherichia coli; however, due to selection of carbapenem resistance, there is an increasing interest in alternative treatment regimens including the use of β-lactam-aminoglycoside combinations. We compared the pharmacodynamic activity of piperacillin-tazobactam and amikacin as mono and combination therapy versus meropenem monotherapy against extended-spectrum β-lactamase (ESBL)-producing, piperacillin-tazobactam resistant E. coli using a dynamic hollow fiber infection model (HFIM) over 7 days. Broth-microdilution was performed to determine the MIC of E. coli isolates. Whole genome sequencing was conducted. Four E. coli isolates were tested in HFIM with an initial inoculum of ~107 CFU/mL. Dosing regimens tested were piperacillin-tazobactam 4.5 g, 6-hourly, plus amikacin 30 mg/kg, 24-hourly, as combination therapy, and piperacillin-tazobactam 4.5 g, 6-hourly, amikacin 30 mg/kg, 24-hourly, and meropenem 1 g, 8-hourly, each as monotherapy. We observed that piperacillin-tazobactam and amikacin monotherapy demonstrated initial rapid bacterial killing but then led to amplification of resistant subpopulations. The piperacillin-tazobactam/amikacin combination and meropenem experiments both attained a rapid bacterial killing (~4-5 log10) within 24 h and did not result in any emergence of resistant subpopulations. Genome sequencing demonstrated that all ESBL-producing E. coli clinical isolates carried multiple antibiotic resistance genes including blaCTX-M-15, blaOXA-1, blaEC, blaTEM-1, and aac(6')-Ib-cr. These results suggest that the combination of piperacillin-tazobactam/amikacin may have a potential role as a carbapenem-sparing regimen, which should be tested in future urosepsis clinical trials.
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Bjerklund Johansen TE, Kulchavenya E, Lentz GM, Livermore DM, Nickel JC, Zhanel G, Bonkat G. Fosfomycin Trometamol for the Prevention of Infectious Complications After Prostate Biopsy: A Consensus Statement by an International Multidisciplinary Group. Eur Urol Focus 2022; 8:1483-1492. [PMID: 34920977 DOI: 10.1016/j.euf.2021.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/19/2021] [Accepted: 11/26/2021] [Indexed: 12/16/2022]
Abstract
CONTEXT Transrectal ultrasound-guided prostate biopsy (TRPB) has been a standard of care for diagnosing prostate cancer but is associated with a high incidence of infectious complications. OBJECTIVE To achieve an expert consensus on whether fosfomycin trometamol provides adequate prophylaxis in TRPB and discuss its role as prophylaxis in transperineal prostate biopsy (TPPB). EVIDENCE ACQUISITION An international multidisciplinary group of experts convened remotely to discuss how to best use fosfomycin in various clinical settings and patient situations. Six statements related to prostate biopsy and the role of fosfomycin were developed, based on literature searches and relevant clinical experience. EVIDENCE SYNTHESIS Consensus was reached for all six statements. The group of experts was unanimous regarding fosfomycin as a preferred candidate for antimicrobial prophylaxis in TRPB. Fosfomycin potentially also meets the requirements for empiric prophylaxis in TPPB, although further clinical studies are needed to confirm or refute its utility in this setting. There is a risk of bias due to sponsorship by a pharmaceutical company. CONCLUSIONS Antimicrobial prophylaxis is mandatory in TRPB, and fosfomycin trometamol is an appropriate candidate due to low rates of resistance, a good safety profile, sufficient prostate concentrations, and demonstrated efficacy in reducing the risk of infectious complications following TRPB. PATIENT SUMMARY Patients undergoing transrectal ultrasound-guided prostate biopsy (TRPB) have a high risk of infectious complications, and antimicrobial prophylaxis is mandatory. However, increasing antimicrobial resistance, as well as safety concerns with fluoroquinolones, has restricted the number of antimicrobial options. Fosfomycin trometamol meets the requirements for a preferred antimicrobial in the prophylaxis of TRPB.
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Affiliation(s)
- Truls E Bjerklund Johansen
- Department of Urology, Oslo University Hospital, Nydalen, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Norway; Institute of Clinical Medicine, University of Aarhus, Aarhus, Denmark.
| | - Ekaterina Kulchavenya
- Urogenital Department, Novosibirsk Research TB Institute and Novosibirsk Medical University, Novosibirsk, Russian Federation
| | - Gretchen M Lentz
- Department of Obstetrics and Gynecology, University of Washington, Seattle, WA, USA
| | | | - J Curtis Nickel
- Department of Urology, Queens University, Kingston, ON, Canada
| | - George Zhanel
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Gernot Bonkat
- Department of Urology, alta uro AG, Basel, Switzerland
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Islam K, Sime FB, Wallis SC, Bauer MJ, Forde BM, Harris P, Shirin T, Habib ZH, Flora MS, Roberts JA. Pharmacodynamic evaluation of piperacillin/tazobactam versus meropenem against extended-spectrum β-lactamase-producing and non-producing Escherichia coli clinical isolates in a hollow-fibre infection model. J Antimicrob Chemother 2022; 77:2448-2455. [PMID: 35724128 PMCID: PMC9410668 DOI: 10.1093/jac/dkac186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 05/14/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Urosepsis caused by extended-spectrum β-lactamase (ESBL)-producing Escherichia coli is increasing worldwide. Carbapenems are commonly recommended for the treatment of ESBL infections; however, to minimize the emergence of carbapenem resistance, interest in alternative treatments has heightened. OBJECTIVES This study compared pharmacodynamics of piperacillin/tazobactam versus meropenem against ESBL-producing and non-producing E. coli clinical isolates. METHODS E. coli isolates, obtained from national reference laboratory in Bangladesh, were characterized by phenotypic tests, WGS, susceptibility tests and mutant frequency analysis. Three ESBL-producing and two non-producing E. coli were exposed to piperacillin/tazobactam (4.5 g, every 6 h and every 8 h, 30 min infusion) and meropenem (1 g, every 8 h, 30 min infusion) in a hollow-fibre infection model over 7 days. RESULTS Piperacillin/tazobactam regimens attained ∼4-5 log10 cfu/mL bacterial killing within 24 h and prevented resistance emergence over the experiment against ESBL-producing and non-producing E. coli. However, compared with 8 hourly meropenem, the 6 hourly piperacillin/tazobactam attained ∼1 log10 lower bacterial kill against one of three ESBL-producing E. coli (CTAP#173) but comparable killing for the other two ESBL-producing (CTAP#168 and CTAP#169) and two non-producing E. coli (CTAP#179 and CTAP#180). The 6 hourly piperacillin/tazobactam regimen attained ∼1 log10 greater bacterial kill compared with the 8 hourly regimen against CTAP#168 and CTAP#179 at 24 h. CONCLUSIONS Our study suggests piperacillin/tazobactam may be a potential alternative to carbapenems to treat urosepsis caused by ESBL-producing E. coli, although clinical trials with robust design are needed to confirm non-inferiority of outcome.
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Affiliation(s)
- Kamrul Islam
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Fekade B Sime
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Steven C Wallis
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Michelle J Bauer
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Brian M Forde
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Patrick Harris
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia.,Herston Infectious Diseases Institute (HeIDI), Metro North Health, Brisbane, Australia
| | - Tahmina Shirin
- Institute of Epidemiology, Disease Control and Research (IEDCR), Mohakhali, Dhaka, Bangladesh
| | - Zakir H Habib
- Institute of Epidemiology, Disease Control and Research (IEDCR), Mohakhali, Dhaka, Bangladesh
| | - Meerjady S Flora
- Directorate General of Health Services, Mohakhali, Dhaka, Bangladesh
| | - Jason A Roberts
- University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia.,Herston Infectious Diseases Institute (HeIDI), Metro North Health, Brisbane, Australia.,Departments of Pharmacy and Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia.,Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France
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Schneidewind L, Kranz J, Tandogdu Z. Rising significance of antibiotic stewardship in urology and urinary tract infections - a rapid review. Curr Opin Urol 2021; 31:285-290. [PMID: 34009175 DOI: 10.1097/mou.0000000000000897] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW To give an overview of the significance as well as recent developments in antibiotic stewardship (ABS) in urology and for the treatment of urinary tract infections (UTI). This rapid review is focused on recent publications during the past 18 months. RECENT FINDINGS Despite the evidence to support the use of ABS interventions in the treatment of UTIs, there remains considerable inappropriate use of antibiotics, up to 68%, especially concerning the treatment of asymptomatic bacteriuria and the overuse of fluoroquinolones. Emerging evidence indicate that ABS programs can improve patient outcome and reduce multidrug-resistant pathogens.Interestingly, in this past 18 months new targets for ABS have been developed, e.g. involvement of a pharmacist, strict adherence to guidelines, improvement of the guidelines itself and understanding the prescription process in the emergency room as well as the analysis of own surveillance data. SUMMARY ABS programs in urology are essential and their significance has become more apparent than ever before. New targets for ABS interventions should be evaluated in prospective controlled clinical trials of their effectiveness to reduce further inappropriate antibiotic use without hindering the treatment of UTIs.
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Affiliation(s)
| | - Jennifer Kranz
- St. Antonius Hospital Eschweiler, Department of Urology, Eschweiler
- Martin-Luther-University, Department of Urology and Kidney Transplantation, Halle (Saale), Germany
| | - Zafer Tandogdu
- University College London Hospitals, Department of Urology, London
- University College London, Division of Surgery and Interventional Science, London, UK
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Guven S, Mert A. Infections in urology: slow progress reflected in clinical practice. World J Urol 2020; 38:2667-2668. [DOI: 10.1007/s00345-020-03473-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Leveraging Computational Modeling to Understand Infectious Diseases. CURRENT PATHOBIOLOGY REPORTS 2020; 8:149-161. [PMID: 32989410 PMCID: PMC7511257 DOI: 10.1007/s40139-020-00213-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 09/16/2020] [Indexed: 02/06/2023]
Abstract
Purpose of Review Computational and mathematical modeling have become a critical part of understanding in-host infectious disease dynamics and predicting effective treatments. In this review, we discuss recent findings pertaining to the biological mechanisms underlying infectious diseases, including etiology, pathogenesis, and the cellular interactions with infectious agents. We present advances in modeling techniques that have led to fundamental disease discoveries and impacted clinical translation. Recent Findings Combining mechanistic models and machine learning algorithms has led to improvements in the treatment of Shigella and tuberculosis through the development of novel compounds. Modeling of the epidemic dynamics of malaria at the within-host and between-host level has afforded the development of more effective vaccination and antimalarial therapies. Similarly, in-host and host-host models have supported the development of new HIV treatment modalities and an improved understanding of the immune involvement in influenza. In addition, large-scale transmission models of SARS-CoV-2 have furthered the understanding of coronavirus disease and allowed for rapid policy implementations on travel restrictions and contract tracing apps. Summary Computational modeling is now more than ever at the forefront of infectious disease research due to the COVID-19 pandemic. This review highlights how infectious diseases can be better understood by connecting scientists from medicine and molecular biology with those in computer science and applied mathematics.
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Epidemiology, definition and treatment of complicated urinary tract infections. Nat Rev Urol 2020; 17:586-600. [PMID: 32843751 DOI: 10.1038/s41585-020-0362-4] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2020] [Indexed: 11/08/2022]
Abstract
UTIs are amongst the most frequent bacterial infections. However, the clinical phenotypes of UTI are heterogeneous and range from rather benign, uncomplicated infections to complicated UTIs (cUTIs), pyelonephritis and severe urosepsis. Stratification of patients with UTIs is, therefore, important. Several classification systems exist for the description and classification of UTIs, with the common rationale that cUTIs have a higher risk of recurrence or chronification, progression or severe outcome than uncomplicated UTIs. The pathophysiology and treatment of cUTIs and pyelonephritis are driven more by host factors than by pathogen attributes. cUTIs and pyelonephritis are associated with high antimicrobial resistance rates among causative pathogens. However, antimicrobial resistance rates can differ substantially, depending on the population being studied and whether the data being analysed are from surveillance studies, registry data or interventional studies, in which specific inclusion and exclusion criteria are used for patient selection. For example, antibiotic resistance rates are higher in patients with urosepsis than in those with less severe infections. Thus, treatment outcomes differ substantially among studies, ranging from 50% to almost 100% clearance of infection, depending on the patient population analysed, the UTI entities included and the primary outcome of the study. Pyelonephritis and cUTIs have emerged as infection models for the study of novel antibiotics, including extensive investigation of novel substances active against Gram-negative bacteria.
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Infectious complications of prostate biopsy: winning battles but not war. World J Urol 2020; 38:2743-2753. [PMID: 32095882 DOI: 10.1007/s00345-020-03112-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/30/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Prostate biopsy is a standard tool for diagnosing prostate cancer, with more than 4 million procedures performed worldwide each year. Infectious complications and economic burden are reportedly rising with continued use of trans-rectal ultrasound-guided biopsy, despite the transperineal approach being associated with less infectious complications. OBJECTIVE AND METHODS In this review, the contemporary literature on pathophysiology, epidemiology, risk factors, causative organisms and emerging approaches for prevention of infectious complications are outlined. RESULTS Management of infectious complications after TRUSB has caused significant financial burden on health systems. The most frequent causative agents of infectious complications after prostate biopsy are Gram-negative bacilli are particularly concerning in the era of antibiotic resistance. Increasing resistance to fluoroquinolones and beta-lactam antibiotics has complicated traditional preventive measures. Patient- and procedure-related risk factors, reported by individual studies, can contribute to infectious complications after prostate biopsy. CONCLUSIONS Recent literature shows that the transrectal ultrasound-guided prostate biopsy results in higher infectious complication rate than the transperineal prostate biopsy. NAATs, recently introduced technique to detect FQr may detect all antibiotic-resistant rectal microbiota members-included MDRs-although the technique still has limitations and economical burdens. Transient solutions are escalating antibiotic prophylaxis and widening the indications for TPB.
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