1
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de Lorenzi-Tognon M, Schrenzel J. Simplified Spectrum Score (S 3) app for pathogen-agnostic antimicrobial drug spectrum ranking to assess for antimicrobial de-escalation events. Sci Rep 2024; 14:9776. [PMID: 38684841 PMCID: PMC11059348 DOI: 10.1038/s41598-024-60041-6] [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: 12/14/2023] [Accepted: 04/18/2024] [Indexed: 05/02/2024] Open
Abstract
Antimicrobial/antibiotic de-escalation (ADE) is a key feature of antimicrobial stewardship programs (ASP) that relies mainly on individual panels for determining ADE events based on subjective ranking of antibiotics' spectrum activity. The lack of consensus among ASP experts leads to reproducibility issues in the measure of this clinical outcome, making difficult to assess its real impact on patient care. The S3 score (Simplified Spectrum Score) app was developed to allow an objective ranking of antibiotics. Ranking was achieved by developing a database harboring pairs of bacteria-antibiotics for which each molecule was assigned a score based on published and clinically validated data from a recognized international committee. S3 score shows a strong correlation relationship and substantial agreement to a clinically validated spectrum score, and its framework enables any person to use it for ADE detection without assuming prior knowledge or training. In addition, its design enables regular updates and sustainability.
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Affiliation(s)
- Mikaël de Lorenzi-Tognon
- Bacteriology Laboratory, Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals, 4 Rue Gabrielle-Perret-Gentil, 1211, Geneva 14, Switzerland.
- Genomic Research Laboratory, Faculty of Medicine, University of Geneva, Geneva, Switzerland.
| | - Jacques Schrenzel
- Bacteriology Laboratory, Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals, 4 Rue Gabrielle-Perret-Gentil, 1211, Geneva 14, Switzerland
- Genomic Research Laboratory, Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Division of Infectious Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland
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2
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Moehring R, Vaughn VM. Development of Inpatient Stewardship Metrics: Is It Time for Public Reporting? Infect Dis Clin North Am 2023; 37:853-871. [PMID: 37661471 DOI: 10.1016/j.idc.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Given the complexity and nuance needed to make antimicrobial prescribing decisions, metrics aiming to assess these decisions can be complex in method, require resource investment for measurement, and demand thoughtfulness in how to use data for program implementation and messaging to key partners. Antimicrobial stewardship programs today use several metrics of antimicrobial use in parallel with other clinical data for a multitude of purposes and audiences. Here, we discuss goals for inpatient stewardship metrics, current metrics used by stewardship programs locally and nationally, and future directions for antimicrobial use metric development.
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Affiliation(s)
| | - Valerie M Vaughn
- Division of General Internal Medicine, University of Utah, 30 Mario Capecchi Drive, 3S149, Salt Lake City, UT 84112, USA
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3
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Britt NS, Khader K, He T, Willson TM, Effiong A, Timbrook TT, Potter EM, Lodise TP. Examining the clinical impact of rapid multiplex polymerase chain reaction-based diagnostic testing for bloodstream infections in a national cohort of the Veterans Health Administration. Pharmacotherapy 2023; 43:24-34. [PMID: 36484553 DOI: 10.1002/phar.2747] [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: 09/26/2022] [Revised: 11/17/2022] [Accepted: 11/17/2022] [Indexed: 12/14/2022]
Abstract
STUDY OBJECTIVE Bloodstream infections (BSIs) are a significant cause of mortality. Use of a rapid multiplex polymerase chain reaction-based blood culture identification panel (BCID) may improve antimicrobial utilization and clinical outcomes by shortening the time to appropriate therapy and de-escalating antibiotics among patients on overly broad-spectrum empiric therapy. The effect of BCID on clinical outcomes across varying institutional antimicrobial stewardship program (ASP) practices is unclear. This study evaluated clinical outcomes associated with the "real-world" implementation of BCID in a national health system with varying ASP practices. DESIGN National, multicenter, retrospective, pre-post quasi-experimental study of hospitalized patients admitted from 2015 to 2020 to VHA facilities, which introduced the BCID for ≥1 year. SETTING United States Veterans Health Administration (VHA) hospitals with BCID. PATIENTS Hospitalized VHA patients with ≥1 blood culture positive for bacteria featured on the BCID panel. INTERVENTION Comparison of outcomes between the pre- and post-BCID implementation groups. MEASUREMENTS Outcomes evaluated included early antimicrobial de-escalation within 48 h, defined as reduction in antimicrobial spectrum scores, time to appropriate therapy, and 30-day mortality. MAIN RESULTS A total of 4138 patients (pre-BCID, n = 2100; post-BCID, n = 2038) met the study criteria. Implementation of BCID was associated with significant improvements in early antimicrobial de-escalation (34.6%: pre-BCID vs. 38.1%: post-BCID; p = 0.022), which persisted after adjusting for other covariates (adjusted risk ratio [aRR], 1.11; 95% confidence interval [CI], 1.02-1.20; p = 0.011). Median time to appropriate therapy was shorter in the post-BCID implementation group relative to the pre-BCID group (9 h: pre-BCID vs. 8 h: post-BCID, respectively, p = 0.005), and a greater percentage of patients received early appropriate antimicrobial therapy within 48 h in the post-BCID implementation group (91.7%: pre-BCID vs. 93.8%: post-BCID; p = 0.008). In the multivariable regression analysis, BCID implementation was significantly associated with a higher likelihood of appropriate therapy within 48 h (aRR, 1.02; 95% CI, 1.01-1.08; p = 0.020). There was no difference in 30-day mortality between groups overall (12.6% pre-BCID vs. 11.2% post-BCID; p = 0.211). CONCLUSIONS In a "real-world" clinical setting, the implementation of BCID was associated with clinical improvements in antimicrobial utilization. The BCID platform may serve as a useful adjunct for BSI management in facilities with ASP.
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Affiliation(s)
- Nicholas S Britt
- Department of Pharmacy Practice, University of Kansas School of Pharmacy, Lawrence, Kansas, USA.,Department of Internal Medicine, University of Kansas School of Medicine, Kansas City, Kansas, USA.,Dwight D. Eisenhower Veterans Affairs Medical Center, Leavenworth, Kansas, USA
| | - Karim Khader
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.,Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah, USA
| | - Tao He
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.,Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah, USA
| | - Tina M Willson
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.,Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah, USA
| | - Atim Effiong
- Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.,Veterans Affairs Salt Lake City Health Care System, Salt Lake City, Utah, USA
| | | | - Emily M Potter
- Dwight D. Eisenhower Veterans Affairs Medical Center, Leavenworth, Kansas, USA
| | - Thomas P Lodise
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA.,Samuel S. Stratton Veterans Affairs Medical Center, Albany, New York, USA
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4
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Smith JT, Manickam RN, Barreda F, Greene JD, Bhimarao M, Pogue J, Jones M, Myers L, Prescott HC, Liu VX. Quantifying the breadth of antibiotic exposure in sepsis and suspected infection using spectrum scores. Medicine (Baltimore) 2022; 101:e30245. [PMID: 36254043 PMCID: PMC9575768 DOI: 10.1097/md.0000000000030245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 07/13/2022] [Indexed: 11/20/2022] Open
Abstract
A retrospective cohort study. Studies to quantify the breadth of antibiotic exposure across populations remain limited. Therefore, we applied a validated method to describe the breadth of antimicrobial coverage in a multicenter cohort of patients with suspected infection and sepsis. We conducted a retrospective cohort study across 21 hospitals within an integrated healthcare delivery system of patients admitted to the hospital through the ED with suspected infection or sepsis and receiving antibiotics during hospitalization from January 1, 2012, to December 31, 2017. We quantified the breadth of antimicrobial coverage using the Spectrum Score, a numerical score from 0 to 64, in patients with suspected infection and sepsis using electronic health record data. Of 364,506 hospital admissions through the emergency department, we identified 159,004 (43.6%) with suspected infection and 205,502 (56.4%) with sepsis. Inpatient mortality was higher among those with sepsis compared to those with suspected infection (8.4% vs 1.2%; P < .001). Patients with sepsis had higher median global Spectrum Scores (43.8 [interquartile range IQR 32.0-49.5] vs 43.5 [IQR 26.8-47.2]; P < .001) and additive Spectrum Scores (114.0 [IQR 57.0-204.5] vs 87.5 [IQR 45.0-144.8]; P < .001) compared to those with suspected infection. Increased Spectrum Scores were associated with inpatient mortality, even after covariate adjustments (adjusted odds ratio per 10-point increase in Spectrum Score 1.31; 95%CI 1.29-1.33). Spectrum Scores quantify the variability in antibiotic breadth among individual patients, between suspected infection and sepsis populations, over the course of hospitalization, and across infection sources. They may play a key role in quantifying the variation in antibiotic prescribing in patients with suspected infection and sepsis.
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Affiliation(s)
- Joshua T. Smith
- Pharmacy Quality and Medication Safety, Kaiser Permanente Northern California, Oakland, CA
| | - Raj N. Manickam
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
| | - Fernando Barreda
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
| | - John D. Greene
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
| | - Meghana Bhimarao
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
| | - Jason Pogue
- College of Pharmacy, University of Michigan, Ann Arbor, MI
| | - Makoto Jones
- Division of Epidemiology, VA Salt Lake City Health Care System, Salt Lake City, UT
- Division of Epidemiology, University of Utah, Salt Lake City, UT
| | - Laura Myers
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
| | - Hallie C. Prescott
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI
- VA Center for Clinical Management Research, Ann Arbor, MI
| | - Vincent X. Liu
- Division of Research, Kaiser Permanente Northern California, Oakland, CA
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5
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Prescott HC, Seelye S, Wang XQ, Hogan CK, Smith JT, Kipnis P, Barreda F, Donnelly JP, Pogue JM, Iwashyna TJ, Jones MM, Liu VX. Temporal Trends in Antimicrobial Prescribing During Hospitalization for Potential Infection and Sepsis. JAMA Intern Med 2022; 182:805-813. [PMID: 35759274 PMCID: PMC9237797 DOI: 10.1001/jamainternmed.2022.2291] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/28/2022] [Indexed: 12/19/2022]
Abstract
Importance Some experts have cautioned that national and health system emphasis on rapid administration of antimicrobials for sepsis may increase overall antimicrobial use even among patients without sepsis. Objective To assess whether temporal changes in antimicrobial timing for sepsis are associated with increasing antimicrobial use, days of therapy, or broadness of antimicrobial coverage among all hospitalized patients at risk for sepsis. Design, Setting, and Participants This is an observational cohort study of hospitalized patients at 152 hospitals in 2 health care systems during 2013 to 2018, admitted via the emergency department with 2 or more systemic inflammatory response syndrome (SIRS) criteria. Data analysis was performed from June 10, 2021, to March 22, 2022. Exposures Hospital-level temporal trends in time to first antimicrobial administration. Outcomes Antimicrobial outcomes included antimicrobial use, days of therapy, and broadness of antibacterial coverage. Clinical outcomes included in-hospital mortality, 30-day mortality, length of hospitalization, and new multidrug-resistant (MDR) organism culture positivity. Results Among 1 559 523 patients admitted to the hospital via the emergency department with 2 or more SIRS criteria (1 269 998 male patients [81.4%]; median [IQR] age, 67 [59-77] years), 273 255 (17.5%) met objective criteria for sepsis. In multivariable models adjusted for patient characteristics, the adjusted median (IQR) time to first antimicrobial administration to patients with sepsis decreased by 37 minutes, from 4.7 (4.1-5.3) hours in 2013 to 3.9 (3.6-4.4) hours in 2018, although the slope of decrease varied across hospitals. During the same period, antimicrobial use within 48 hours, days of antimicrobial therapy, and receipt of broad-spectrum coverage decreased among the broader cohort of patients with SIRS. In-hospital mortality, 30-day mortality, length of hospitalization, new MDR culture positivity, and new MDR blood culture positivity decreased over the study period among both patients with sepsis and those with SIRS. When examining hospital-specific trends, decreases in antimicrobial use, days of therapy, and broadness of antibacterial coverage for patients with SIRS did not differ by hospital antimicrobial timing trend for sepsis. Overall, there was no evidence that accelerating antimicrobial timing for sepsis was associated with increasing antimicrobial use or impaired antimicrobial stewardship. Conclusions and Relevance In this multihospital cohort study, the time to first antimicrobial for sepsis decreased over time, but this trend was not associated with increasing antimicrobial use, days of therapy, or broadness of antimicrobial coverage among the broader population at-risk for sepsis, which suggests that shortening the time to antibiotics for sepsis is feasible without leading to indiscriminate antimicrobial use.
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Affiliation(s)
- Hallie C. Prescott
- Department of Internal Medicine, University of Michigan, Ann Arbor
- VA Center for Clinical Management Research, Ann Arbor, Michigan
| | - Sarah Seelye
- VA Center for Clinical Management Research, Ann Arbor, Michigan
| | - Xiao Qing Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor
| | | | - Joshua T. Smith
- Division of Research, Kaiser Permanente Northern California, Oakland
| | - Patricia Kipnis
- Division of Research, Kaiser Permanente Northern California, Oakland
| | - Fernando Barreda
- Division of Research, Kaiser Permanente Northern California, Oakland
| | - John P. Donnelly
- Department of Learning Health Sciences, University of Michigan, Ann Arbor
| | - Jason M. Pogue
- Department of Clinical Pharmacy, University of Michigan College of Pharmacy, Ann Arbor
| | - Theodore J. Iwashyna
- Department of Internal Medicine, University of Michigan, Ann Arbor
- VA Center for Clinical Management Research, Ann Arbor, Michigan
| | - Makoto M. Jones
- Salt Lake City VA Healthcare System, Salt Lake City, Utah
- Department of Medicine, University of Utah, Salt Lake City
| | - Vincent X. Liu
- Division of Research, Kaiser Permanente Northern California, Oakland
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6
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Antimicrobial Stewardship Program: Reducing Antibiotic's Spectrum of Activity Is not the Solution to Limit the Emergence of Multidrug-Resistant Bacteria. Antibiotics (Basel) 2022; 11:antibiotics11010070. [PMID: 35052947 PMCID: PMC8772858 DOI: 10.3390/antibiotics11010070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/20/2021] [Accepted: 12/30/2021] [Indexed: 12/10/2022] Open
Abstract
Overconsumption of antibiotics in hospitals has led to policy implementation, including the control of antibiotic prescriptions. The impact of these policies on the evolution of antimicrobial resistance remains uncertain. In this work, we review the possible limits of such policies and focus on the need for a more efficient approach. Establishing a causal relationship between the introduction of new antibiotics and the emergence of new resistance mechanisms is difficult. Several studies have demonstrated that many resistance mechanisms existed before the discovery of antibiotics. Overconsumption of antibiotics has worsened the phenomenon of resistance. Antibiotics are responsible for intestinal dysbiosis, which is suspected of being the source of bacterial resistance. The complexity of the intestinal microbiota composition, the impact of the pharmacokinetic properties of antibiotics, and the multiplicity of other factors involved in the acquisition and emergence of multidrug-resistant organisms, lead us to think that de-escalation, in the absence of studies proving its effectiveness, is not the solution to limiting the spread of multidrug-resistant organisms. More studies are needed to clarify the ecological risk caused by different antibiotic classes. In the meantime, we need to concentrate our efforts on limiting antibiotic prescriptions to patients who really need it, and work on reducing the duration of these treatments.
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7
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Fierens J, De Bus L, Colpaert K, Boelens J, Gadeyne B, Decruyenaere J, Van Braeckel E, Depuydt P. Antimicrobial prescription in severe COVID-19 and CAP: a matched case-control study. Acta Clin Belg 2021; 77:837-844. [PMID: 34709997 DOI: 10.1080/17843286.2021.1996068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND In severe coronavirus diseases 2019 (COVID-19), a high and potentially excessive use of antimicrobials for suspected bacterial co-infection and intensive care unit (ICU)-acquired infections has been repeatedly reported. OBJECTIVES To compare an ICU cohort of community-acquired pneumonia (CAP) with a cohort of severe COVID-19 pertaining to co-infections, ICU-acquired infections and associated antimicrobial consumption. METHODS We retrospectively compared a cohort of CAP patients with a cohort of COVID-19 patients matched according to organ failure, ICU length of stay (LOS) and ventilation days. Patient data such as demographics, infection focus, probability and severity, ICU severity scores and ICU and in-hospital mortality, days of antimicrobial therapy (DOT) and number of antimicrobial prescriptions, using an incremental scale, were registered and analysed. The total number of cultures (sputum, urinary, blood cultures) was collected and corrected for ICU LOS. FINDINGS CAP patients (n = 148) were matched to COVID-19 patients (n = 74). Significantly less sputum cultures (68.2% versus 18.9%, P < 0.05) and bronchoalveolar lavages (BAL) (73.7% versus 36.5%, P < 0.05) were performed in COVID-19 patients. Six (8.1%) COVID-19 patients were diagnosed with a co-infection. Respectively, 58 of 148 (39.2%) CAP and 38 of 74 (51.4%) COVID-19 patients (P = 0.09) developed ICU-acquired infections. Antimicrobial distribution, both in the number of prescriptions and DOT, was similar in both cohorts. CONCLUSIONS We found a low rate of microbiologically confirmed bacterial co-infection and a high rate of ICU-acquired infections in COVID-19 patients. Infection probabilities, antimicrobial prescriptions and DOT were comparable with a matched CAP cohort.
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Affiliation(s)
- J. Fierens
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - L. De Bus
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - K. Colpaert
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - J. Boelens
- Department of Laboratory Medicine and Department of Diagnostic Sciences, Ghent University Hospital and Ghent University, Ghent, Belgium
| | - B. Gadeyne
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
| | - J. Decruyenaere
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
| | - E. Van Braeckel
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
- Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - P. Depuydt
- Department of Intensive Care, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Ghent University, Ghent, Belgium
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8
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Wilson BM, Jiang Y, Jump RLP, Viau RA, Perez F, Bonomo RA, Evans SR. Desirability of Outcome Ranking for the Management of Antimicrobial Therapy (DOOR MAT): A Framework for Assessing Antibiotic Selection Strategies in the Presence of Drug Resistance. Clin Infect Dis 2021; 73:344-350. [PMID: 33245333 DOI: 10.1093/cid/ciaa1769] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 11/23/2020] [Indexed: 11/12/2022] Open
Abstract
The complexities of antibiotic resistance mean that successful stewardship must consider both the effectiveness of a given antibiotic and the spectrum of that therapy to minimize imposing further selective pressure. To meet this challenge, we propose the Desirability of Outcome Ranking approach for the Management of Antimicrobial Therapy (DOOR MAT), a flexible quantitative framework that evaluates the desirability of antibiotic selection. Herein, we describe the steps required to implement DOOR MAT and present examples to illustrate how the desirability of treatment selection can be evaluated using resistance information. While treatments and the scoring of treatment selections must be adapted to specific clinical settings, the principle of DOOR MAT remains constant: The most desirable antibiotic choice effectively treats the patient while exerting minimal pressure on future resistance.
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Affiliation(s)
- Brigid M Wilson
- Research Service, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, Ohio, USA.,Geriatric Research Education and Clinical Center, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, Ohio, USA.,Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Yunyun Jiang
- George Washington Biostatistics Center, George Washington University, Washington, District of Columbia, USA
| | - Robin L P Jump
- Geriatric Research Education and Clinical Center, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, Ohio, USA.,Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.,Medical Service, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, USA.,Department of Population and Quantitative Health Sciences, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | | | - Federico Perez
- Geriatric Research Education and Clinical Center, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, Ohio, USA.,Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.,Medical Service, Veterans Affairs Northeast Ohio Healthcare System, Cleveland, USA
| | - Robert A Bonomo
- Departments of Pharmacology, Molecular Biology and Microbiology, Biochemistry, and Proteomics and Bioinformatics, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.,Center for Antimicrobial Resistance and Epidemiology, Case Western Reserve University-Cleveland Veterans Affairs Medical Center, Cleveland, Ohio, USA
| | - Scott R Evans
- George Washington Biostatistics Center, George Washington University, Washington, District of Columbia, USA
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9
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Evaluation of an initiative to improve prophylactic antimicrobial prescribing in patients on extracorporeal membrane oxygenation (ECMO) through the application of three antimicrobial-spectrum scores. Infect Control Hosp Epidemiol 2021; 43:96-98. [PMID: 33557991 DOI: 10.1017/ice.2021.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Antimicrobial spectrum scoring is a method to quantify the spectrum of antimicrobial utilization. Herein, we applied a locally adapted scoring system, with other pre-existing scoring systems, using a data set of prophylactically administered antibiotics following a 2-stage antimicrobial stewardship program (ASP) intervention in a population of patients on extracorporeal membrane oxygenation (ECMO).
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10
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Abstract
Responsible use of antibiotics is critical to preserve their effectiveness and to minimize adverse outcomes associated with overuse and misuse. Newborn infants are a unique population with high rates of antibiotic exposure. In order to improve neonatal antibiotic use, accurate and meaningful metrics are required. In this review, we highlight and compare existing antibiotic use metrics in detail, including definitions, current applications, advantages, and limitations of each metric, with a focus on applicability to neonatal populations. We explore future directions for identification of accurate and meaningful metrics that will allow hospitals and stakeholders to pinpoint antibiotic utilization practices that should be emulated or avoided, and ultimately improve the safety and quality of neonatal care.
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11
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Pharmacist-Driven Implementation of Fast Identification and Antimicrobial Susceptibility Testing Improves Outcomes for Patients with Gram-Negative Bacteremia and Candidemia. Antimicrob Agents Chemother 2020; 64:AAC.00578-20. [PMID: 32601164 PMCID: PMC7449197 DOI: 10.1128/aac.00578-20] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/19/2020] [Indexed: 12/14/2022] Open
Abstract
Bloodstream infections (BSI) are associated with increased morbidity and mortality, especially when caused by Gram-negative or fungal pathogens. The objective of this study was to assess the impact of fast identification-antimicrobial susceptibility testing (ID/AST) with the Accelerate Pheno system (AXDX) from May 2018 to December 2018 on antibiotic therapy and patient outcomes. A pre-post quasiexperimental study of 200 patients (100 pre-AXDX implementation and 100 post-AXDX implementation) was conducted. Bloodstream infections (BSI) are associated with increased morbidity and mortality, especially when caused by Gram-negative or fungal pathogens. The objective of this study was to assess the impact of fast identification-antimicrobial susceptibility testing (ID/AST) with the Accelerate Pheno system (AXDX) from May 2018 to December 2018 on antibiotic therapy and patient outcomes. A pre-post quasiexperimental study of 200 patients (100 pre-AXDX implementation and 100 post-AXDX implementation) was conducted. The primary endpoints measured were time to first antibiotic intervention, time to most targeted antibiotic therapy, and 14-day hospital mortality. Secondary endpoints included hospital and intensive care unit (ICU) length of stay (LOS), antibiotic intensity score at 96 h, and 30-day readmission rates. Of 100 patients with Gram-negative bacteremia or candidemia in each cohort, 84 in the preimplementation group and 89 in the AXDX group met all inclusion criteria. The AXDX group had a decreased time to first antibiotic intervention (26.3 versus 8.0, P = 0.003), hours to most targeted therapy (14.4 versus 9, P = 0.03), hospital LOS (6 versus 8, P = 0.002), and average antibiotic intensity score at 96 h (16 versus 12, P = 0.002). Both groups had a comparable 14-day mortality (0% versus 3.6%, P = 0.11). In this analysis of patients with Gram-negative bacteremia or candidemia, fast ID/AST implementation was associated with decreased hospital LOS, decreased use of broad-spectrum antibiotics, shortened time to targeted therapy, and an improved utilization of antibiotics within the first 96 h of therapy.
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12
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Appaneal HJ, Caffrey AR, Lopes VV, Dosa DM, Shireman TI, LaPlante KL. Frequency and Predictors of Suboptimal Prescribing Among a Cohort of Older Male Residents with Urinary Tract Infection. Clin Infect Dis 2020; 73:e2763-e2772. [PMID: 32590839 DOI: 10.1093/cid/ciaa874] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Unnecessary antibiotic treatment of suspected urinary tract infection (UTI) is common in long-term care facilities (LTCFs). However, less is known about the extent of suboptimal treatment, in terms of antibiotic choice, dose, and duration, after the decision to use antibiotics has been made. METHODS We described the frequency of potentially suboptimal treatment among residents with an incident UTI (first during the study with none in the year prior) in Veterans Affairs' (VA) Community Living Centers (CLCs, 2013-2018). Time trends were analyzed using Joinpoint regression. Residents with UTIs receiving potentially suboptimal treatment were compared to those receiving optimal treatment to identify resident characteristics predictive of suboptimal antibiotic treatment, using multivariable unconditional logistic regression models. RESULTS We identified 21,938 residents with an incident UTI treated in 120 VA CLCs, of which 96.0% were male. Potentially suboptimal antibiotic treatment was identified in 65.0% of residents and decreased 1.8% annually (p<0.05). Potentially suboptimal initial drug choice was identified in 45.6% of residents, suboptimal dose frequency in 28.6%, and longer than recommended duration in 12.7%. Predictors of suboptimal antibiotic treatment included: prior fluoroquinolone exposure (adjusted odds ratio [aOR] 1.38), chronic renal disease (aOR 1.19), age >85 years (aOR 1.17), prior skin infection (aOR 1.14), recent high white blood cell count (aOR 1.08), and genitourinary disorder (aOR 1.08). CONCLUSION Similar to findings in non-VA facilities, potentially suboptimal treatment was common but improving in CLC residents with an incident UTI. Predictors of suboptimal antibiotic treatment should be targeted with antibiotic stewardship interventions to improve UTI treatment.
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Affiliation(s)
- Haley J Appaneal
- Infectious Diseases Research Program, Providence Veterans Affairs Medical Center, Providence, RI, United States.,Center of Innovation in Long-Term Support Services, Providence Veterans Affairs Medical Center, Providence, RI, United States.,College of Pharmacy, University of Rhode Island, Kingston, RI.,Center for Gerontology & Health Care Research and Department of Health Services Policy & Practice, Brown University School of Public Health, Providence, RI
| | - Aisling R Caffrey
- Infectious Diseases Research Program, Providence Veterans Affairs Medical Center, Providence, RI, United States.,Center of Innovation in Long-Term Support Services, Providence Veterans Affairs Medical Center, Providence, RI, United States.,College of Pharmacy, University of Rhode Island, Kingston, RI.,Center for Gerontology & Health Care Research and Department of Health Services Policy & Practice, Brown University School of Public Health, Providence, RI
| | - Vrishali V Lopes
- Infectious Diseases Research Program, Providence Veterans Affairs Medical Center, Providence, RI, United States
| | - David M Dosa
- Infectious Diseases Research Program, Providence Veterans Affairs Medical Center, Providence, RI, United States.,Center of Innovation in Long-Term Support Services, Providence Veterans Affairs Medical Center, Providence, RI, United States.,College of Pharmacy, University of Rhode Island, Kingston, RI.,Center for Gerontology & Health Care Research and Department of Health Services Policy & Practice, Brown University School of Public Health, Providence, RI
| | - Theresa I Shireman
- Center for Gerontology & Health Care Research and Department of Health Services Policy & Practice, Brown University School of Public Health, Providence, RI
| | - Kerry L LaPlante
- Infectious Diseases Research Program, Providence Veterans Affairs Medical Center, Providence, RI, United States.,Center of Innovation in Long-Term Support Services, Providence Veterans Affairs Medical Center, Providence, RI, United States.,College of Pharmacy, University of Rhode Island, Kingston, RI.,Warren Alpert Medical School of Brown University, Division of Infectious Diseases, Providence, RI
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13
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Application of an antibiotic spectrum index in the neonatal intensive care unit. Infect Control Hosp Epidemiol 2019; 40:1181-1183. [PMID: 31352907 DOI: 10.1017/ice.2019.221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Antimicrobial stewardship programs typically use days of therapy to assess antimicrobial use. However, this metric does not account for the antimicrobial spectrum of activity. We applied an antibiotic spectrum index to a population of very-low-birth-weight infants to assess its utility to evaluate the impact of antimicrobial stewardship interventions.
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14
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Science M, Timberlake K, Morris A, Read S, Le Saux N. Quality Metrics for Antimicrobial Stewardship Programs. Pediatrics 2019; 143:peds.2018-2372. [PMID: 30926619 DOI: 10.1542/peds.2018-2372] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/16/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Antimicrobial stewardship programs (ASPs) are targeted to optimize antimicrobial use. However, pediatric metrics used to measure outcomes of ASPs are not well established. Our aim for this project was to identify, refine, and develop consensus on standard metrics for pediatric ASPs. METHODS By using a modified Delphi process, 2 surveys were sent to experts and stakeholders to establish consensus on the utility of metrics. These were subdivided into 4 ASP domains: (1) antimicrobial consumption, (2) microbiologic outcomes, (3) clinical outcomes, and (4) process measures. Respondents were asked to rank the scientific merit, impact, feasibility, and accountability of each metric. Metrics with ≥75% agreement for scientific merit were included and metrics with ≤25% agreement were discarded. Consensus was finalized with a face-to-face meeting and final survey. RESULTS Thirty-eight participants from 15 pediatric hospitals across Canada completed all 3 rounds of the Delphi survey. In the domain of antimicrobial consumption, the 2 selected metrics were (1) days of therapy per 1000 patient-days and (2) total antimicrobial days. The clinical and process outcomes chosen were (1) 30-day readmission rate and (2) adherence to ASP recommendations, respectively. A microbiologic outcome was felt to be important and feasible, but consensus could not be obtained on a measure. Several barriers to implementation of the metrics were identified, including information technology limitations at various centers. CONCLUSIONS We obtained consensus on 4 metrics to evaluate pediatric antimicrobial stewardship activities in Canada. Adoption of these metrics by pediatric ASPs will facilitate measurement of outcomes nationally and internationally.
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Affiliation(s)
- Michelle Science
- Division of Infectious Diseases and .,Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Kathryn Timberlake
- Department of Pharmacy, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Andrew Morris
- Division of Infectious Diseases, Sinai Health System, Toronto, Ontario, Canada.,Department of Medicine, University Health Network, Toronto, Ontario, Canada; and
| | - Stanley Read
- Division of Infectious Diseases and.,Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Nicole Le Saux
- Division of Infectious Diseases, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
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15
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Coburn B, Daneman N, MacFadden DR, Rooney A. Re: The impact of antibiotics on the Intestinal microbiota needs to be re-defined in order to optimize the antibiotic usage; by Ruppe et al. Clin Microbiol Infect 2018; 24:783-784. [PMID: 29608966 DOI: 10.1016/j.cmi.2018.03.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 01/13/2018] [Indexed: 11/25/2022]
Affiliation(s)
- B Coburn
- Department of Medicine, Division of Infectious Diseases and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Toronto General Hospital Research Institute, Toronto, Canada.
| | - N Daneman
- Department of Medicine, Divisions of Infectious Diseases and Clinical Epidemiology, University of Toronto and Sunnybrook Health Sciences Centre, Toronto, Canada
| | - D R MacFadden
- Department of Medicine, University of Toronto, Toronto, Canada; Harvard Chan School of Public Health, Harvard University, Boston, MA, USA
| | - A Rooney
- Faculty of Medicine, Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
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16
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Cambau E, Durand-Zaleski I, Bretagne S, Brun-Buisson C, Cordonnier C, Duval X, Herwegh S, Pottecher J, Courcol R, Bastuji-Garin S. Performance and economic evaluation of the molecular detection of pathogens for patients with severe infections: the EVAMICA open-label, cluster-randomised, interventional crossover trial. Intensive Care Med 2017; 43:1613-1625. [PMID: 28374097 PMCID: PMC5633620 DOI: 10.1007/s00134-017-4766-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Accepted: 03/08/2017] [Indexed: 12/19/2022]
Abstract
Purpose Microbiological diagnosis (MD) of infections remains insufficient. The resulting empirical antimicrobial therapy leads to multidrug resistance and inappropriate treatments. We therefore evaluated the cost-effectiveness of direct molecular detection of pathogens in blood for patients with severe sepsis (SES), febrile neutropenia (FN) and suspected infective endocarditis (SIE). Methods Patients were enrolled in a multicentre, open-label, cluster-randomised crossover trial conducted during two consecutive periods, randomly assigned as control period (CP; standard diagnostic workup) or intervention period (IP; additional testing with LightCycler®SeptiFast). Multilevel models used to account for clustering were stratified by clinical setting (SES, FN, SIE). Results A total of 1416 patients (907 SES, 440 FN, 69 SIE) were evaluated for the primary endpoint (rate of blood MD). For SES patients, the MD rate was higher during IP than during CP [42.6% (198/465) vs. 28.1% (125/442), odds ratio (OR) 1.89, 95% confidence interval (CI) 1.43–2.50; P < 0.001], with an absolute increase of 14.5% (95% CI 8.4–20.7). A trend towards an association was observed for SIE [35.4% (17/48) vs. 9.5% (2/21); OR 6.22 (0.98–39.6)], but not for FN [32.1% (70/218) vs. 30.2% (67/222), P = 0.66]. Overall, turn-around time was shorter during IP than during CP (22.9 vs. 49.5 h, P < 0.001) and hospital costs were similar (median, mean ± SD: IP €14,826, €18,118 ± 17,775; CP €17,828, €18,653 ± 15,966). Bootstrap analysis of the incremental cost-effectiveness ratio showed weak dominance of intervention in SES patients. Conclusion Addition of molecular detection to standard care improves MD and thus efficiency of healthcare resource usage in patients with SES. ClinicalTrials.gov registration number: NCT00709358. Electronic supplementary material The online version of this article (doi:10.1007/s00134-017-4766-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Emmanuelle Cambau
- APHP-Lariboisière, Bacteriology Laboratory, 75010, Paris, France. .,Univ Paris Diderot, Sorbonne Paris Cité, INSERM, UMR1137 IAME, 75018, Paris, France.
| | - Isabelle Durand-Zaleski
- APHP-URC ECO, Créteil, France.,Université Paris Est, UFR de Médecine, 94010, Créteil, France
| | - Stéphane Bretagne
- APHP-Henri Mondor, Parasitology and Mycology Laboratory, 94010, Créteil, France.,APHP-Saint Louis, Parasitology and Mycology Laboratory, 75010, Paris, France.,Sorbonne Paris Cité, University Paris Diderot, Paris, France.,Molecular Mycology Unit, Institut Pasteur, National Reference Center of Invasive Mycoses and Antifungals, Paris, France
| | | | - Catherine Cordonnier
- APHP- Henri Mondor, Haematology Department and University Paris-Est Créteil, 94010, Créteil, France
| | - Xavier Duval
- APHP-Bichat, Centre d'investigation Clinique CIC 1425, INSERM UMR 1137 IAME, University Paris Diderot, 75018, Paris, France
| | | | - Julien Pottecher
- Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Service d'Anesthésie-Réanimation chirurgicale, Université de Strasbourg, FMTS, EA 3072, 67098, Strasbourg, France
| | - René Courcol
- CHU Lille, Microbiology Institute, 59000, Lille, France
| | - Sylvie Bastuji-Garin
- APHP-Henri Mondor, Public Health Department, 94010, Créteil, France.,University Paris Est (UPE), IMRB, CEpiA (Clinical Epidemiology and Ageing Unit, EA7376), 94010, Créteil, France.,APHP, Henri Mondor Hospital, Clinical Research Unit (URC Mondor), 94010, Créteil, France
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17
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Bohan JG, Remington R, Jones M, Samore M, Madaras-Kelly K. Outcomes Associated With Antimicrobial De-escalation of Treatment for Pneumonia Within the Veterans Healthcare Administration. Open Forum Infect Dis 2016; 4:ofw244. [PMID: 28480242 PMCID: PMC5414017 DOI: 10.1093/ofid/ofw244] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 11/28/2016] [Indexed: 11/14/2022] Open
Abstract
De-escalation, an antimicrobial stewardship concept, involves narrowing broad-spectrum empiric antimicrobial therapy based on clinical data. Current health outcomes evidence is lacking to support de-escalation. Studying Veterans Healthcare Administration pneumonia patients, de-escalation was associated with improved length of stay without affecting 30-day readmission or 30-day Clostridium difficile infection rates.
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Affiliation(s)
| | - Richard Remington
- Research, Boise Veterans Affairs Medical Center, Boise, Idaho
- Quantified Inc., Boise, Idaho
| | - Makoto Jones
- Department of Medicine, George E. Wahlen Veterans Affairs Medical Center and Division of Epidemiology, University of Utah, Salt Lake City, Utah
| | - Matthew Samore
- Department of Medicine, George E. Wahlen Veterans Affairs Medical Center and Division of Epidemiology, University of Utah, Salt Lake City, Utah
| | - Karl Madaras-Kelly
- College of Pharmacy, Idaho State University, Meridian, Idaho
- College of Pharmacy, Idaho State University, Meridian, Idaho
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18
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Sartelli M, Weber DG, Ruppé E, Bassetti M, Wright BJ, Ansaloni L, Catena F, Coccolini F, Abu-Zidan FM, Coimbra R, Moore EE, Moore FA, Maier RV, De Waele JJ, Kirkpatrick AW, Griffiths EA, Eckmann C, Brink AJ, Mazuski JE, May AK, Sawyer RG, Mertz D, Montravers P, Kumar A, Roberts JA, Vincent JL, Watkins RR, Lowman W, Spellberg B, Abbott IJ, Adesunkanmi AK, Al-Dahir S, Al-Hasan MN, Agresta F, Althani AA, Ansari S, Ansumana R, Augustin G, Bala M, Balogh ZJ, Baraket O, Bhangu A, Beltrán MA, Bernhard M, Biffl WL, Boermeester MA, Brecher SM, Cherry-Bukowiec JR, Buyne OR, Cainzos MA, Cairns KA, Camacho-Ortiz A, Chandy SJ, Che Jusoh A, Chichom-Mefire A, Colijn C, Corcione F, Cui Y, Curcio D, Delibegovic S, Demetrashvili Z, De Simone B, Dhingra S, Diaz JJ, Di Carlo I, Dillip A, Di Saverio S, Doyle MP, Dorj G, Dogjani A, Dupont H, Eachempati SR, Enani MA, Egiev VN, Elmangory MM, Ferrada P, Fitchett JR, Fraga GP, Guessennd N, Giamarellou H, Ghnnam W, Gkiokas G, Goldberg SR, Gomes CA, Gomi H, Guzmán-Blanco M, Haque M, Hansen S, Hecker A, Heizmann WR, Herzog T, Hodonou AM, Hong SK, Kafka-Ritsch R, Kaplan LJ, Kapoor G, Karamarkovic A, Kees MG, Kenig J, Kiguba R, Kim PK, Kluger Y, Khokha V, Koike K, Kok KYY, Kong V, Knox MC, Inaba K, Isik A, Iskandar K, Ivatury RR, Labbate M, Labricciosa FM, Laterre PF, Latifi R, Lee JG, Lee YR, Leone M, Leppaniemi A, Li Y, Liang SY, Loho T, Maegele M, Malama S, Marei HE, Martin-Loeches I, Marwah S, Massele A, McFarlane M, Melo RB, Negoi I, Nicolau DP, Nord CE, Ofori-Asenso R, Omari AH, Ordonez CA, Ouadii M, Pereira Júnior GA, Piazza D, Pupelis G, Rawson TM, Rems M, Rizoli S, Rocha C, Sakakhushev B, Sanchez-Garcia M, Sato N, Segovia Lohse HA, Sganga G, Siribumrungwong B, Shelat VG, Soreide K, Soto R, Talving P, Tilsed JV, Timsit JF, Trueba G, Trung NT, Ulrych J, van Goor H, Vereczkei A, Vohra RS, Wani I, Uhl W, Xiao Y, Yuan KC, Zachariah SK, Zahar JR, Zakrison TL, Corcione A, Melotti RM, Viscoli C, Viale P. Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA). World J Emerg Surg 2016; 11:33. [PMID: 27429642 PMCID: PMC4946132 DOI: 10.1186/s13017-016-0089-y] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 07/04/2016] [Indexed: 02/08/2023] Open
Abstract
Intra-abdominal infections (IAI) are an important cause of morbidity and are frequently associated with poor prognosis, particularly in high-risk patients. The cornerstones in the management of complicated IAIs are timely effective source control with appropriate antimicrobial therapy. Empiric antimicrobial therapy is important in the management of intra-abdominal infections and must be broad enough to cover all likely organisms because inappropriate initial antimicrobial therapy is associated with poor patient outcomes and the development of bacterial resistance. The overuse of antimicrobials is widely accepted as a major driver of some emerging infections (such as C. difficile), the selection of resistant pathogens in individual patients, and for the continued development of antimicrobial resistance globally. The growing emergence of multi-drug resistant organisms and the limited development of new agents available to counteract them have caused an impending crisis with alarming implications, especially with regards to Gram-negative bacteria. An international task force from 79 different countries has joined this project by sharing a document on the rational use of antimicrobials for patients with IAIs. The project has been termed AGORA (Antimicrobials: A Global Alliance for Optimizing their Rational Use in Intra-Abdominal Infections). The authors hope that AGORA, involving many of the world's leading experts, can actively raise awareness in health workers and can improve prescribing behavior in treating IAIs.
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Affiliation(s)
- Massimo Sartelli
- Department of Surgery, Macerata Hospital, Via Santa Lucia 2, 62100 Macerata, Italy
| | - Dieter G. Weber
- Department of Trauma Surgery, Royal Perth Hospital, Perth, Australia
| | - Etienne Ruppé
- Genomic Research Laboratory, Geneva University Hospitals, Geneva, Switzerland
| | - Matteo Bassetti
- Infectious Diseases Division, Santa Maria Misericordia University Hospital, Udine, Italy
| | - Brian J. Wright
- Department of Emergency Medicine and Surgery, Stony Brook University School of Medicine, Stony Brook, NY USA
| | - Luca Ansaloni
- General Surgery Department, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - Fausto Catena
- Department of General, Maggiore Hospital, Parma, Italy
| | | | - Fikri M. Abu-Zidan
- Department of Surgery, College of Medicine and Health Sciences, UAE University, Al-Ain, United Arab Emirates
| | - Raul Coimbra
- Department of Surgery, UC San Diego Medical Center, San Diego, USA
| | - Ernest E. Moore
- Department of Surgery, University of Colorado, Denver Health Medical Center, Denver, CO USA
| | - Frederick A. Moore
- Department of Surgery, Division of Acute Care Surgery, and Center for Sepsis and Critical Illness Research, University of Florida College of Medicine, Gainesville, FL USA
| | - Ronald V. Maier
- Department of Surgery, University of Washington, Seattle, WA USA
| | - Jan J. De Waele
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
| | - Andrew W. Kirkpatrick
- General, Acute Care, and Trauma Surgery, Foothills Medical Centre, Calgary, AB Canada
| | - Ewen A. Griffiths
- General and Upper GI Surgery, Queen Elizabeth Hospital, Birmingham, UK
| | - Christian Eckmann
- Department of General, Visceral, and Thoracic Surgery, Klinikum Peine, Academic Hospital of Medical University Hannover, Peine, Germany
| | - Adrian J. Brink
- Department of Clinical microbiology, Ampath National Laboratory Services, Milpark Hospital, Johannesburg, South Africa
| | - John E. Mazuski
- Department of Surgery, School of Medicine, Washington University in Saint Louis, Missouri, USA
| | - Addison K. May
- Departments of Surgery and Anesthesiology, Division of Trauma and Surgical Critical Care, Vanderbilt University Medical Center, Nashville, TN USA
| | - Rob G. Sawyer
- Department of Surgery, University of Virginia Health System, Charlottesville, VA USA
| | - Dominik Mertz
- Departments of Medicine, Clinical Epidemiology and Biostatistics, and Pathology and Molecular Medicine, McMaster University, Hamilton, ON Canada
| | - Philippe Montravers
- Département d’Anesthésie-Réanimation, CHU Bichat Claude-Bernard-HUPNVS, Assistance Publique-Hôpitaux de Paris, University Denis Diderot, Paris, France
| | - Anand Kumar
- Section of Critical Care Medicine and Section of Infectious Diseases, Department of Medicine, Medical Microbiology and Pharmacology/Therapeutics, University of Manitoba, Winnipeg, MB Canada
| | - Jason A. Roberts
- Australia Pharmacy Department, Royal Brisbane and Womens’ Hospital; Burns, Trauma, and Critical Care Research Centre, Australia School of Pharmacy, The University of Queensland, Brisbane, QLD Australia
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université libre de Bruxelles, Brussels, Belgium
| | - Richard R. Watkins
- Department of Internal Medicine, Division of Infectious Diseases, Akron General Medical Center, Northeast Ohio Medical University, Akron, OH USA
| | - Warren Lowman
- Clinical Microbiology and Infectious Diseases, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Brad Spellberg
- Division of Infectious Diseases, Los Angeles County-University of Southern California (USC) Medical Center, Keck School of Medicine at USC, Los Angeles, CA USA
| | - Iain J. Abbott
- Department of Infectious Diseases, Alfred Hospital, Melbourne, VIC Australia
| | | | - Sara Al-Dahir
- Division of Clinical and Administrative Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA USA
| | - Majdi N. Al-Hasan
- Department of Medicine, Division of Infectious Diseases, University of South Carolina School of Medicine, Columbia, SC USA
| | | | | | - Shamshul Ansari
- Department of Microbiology, Chitwan Medical College, and Department of Environmental and Preventive Medicine, Oita University, Oita, Japan
| | - Rashid Ansumana
- Centre for Neglected Tropical Diseases, Liverpool School of Tropical Medicine, University of Liverpool, and Mercy Hospital Research Laboratory, Njala University, Bo, Sierra Leone
| | - Goran Augustin
- Department of Surgery, University Hospital Center, Zagreb, Croatia
| | - Miklosh Bala
- Trauma and Acute Care Surgery Unit, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Zsolt J. Balogh
- Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW Australia
| | | | - Aneel Bhangu
- Academic Department of Surgery, Queen Elizabeth Hospital, Birmingham, UK
| | - Marcelo A. Beltrán
- Department of General Surgery, Hospital San Juan de Dios de La Serena, La Serena, Chile
| | | | - Walter L. Biffl
- Department of Surgery, University of Colorado, Denver, CO USA
| | | | - Stephen M. Brecher
- Department of Pathology and Laboratory Medicine, VA Boston HealthCare System, and Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA USA
| | - Jill R. Cherry-Bukowiec
- Division of Acute Care Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI USA
| | - Otmar R. Buyne
- Department of Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Miguel A. Cainzos
- Department of Surgery, Hospital Clínico Universitario, Santiago de Compostela, Spain
| | - Kelly A. Cairns
- Pharmacy Department, Alfred Health, Melbourne, VIC Australia
| | - Adrian Camacho-Ortiz
- Hospital Epidemiology and Infectious Diseases, Hospital Universitario Dr Jose Eleuterio Gonzalez, Monterrey, Mexico
| | - Sujith J. Chandy
- Department of Pharmacology, Pushpagiri Institute of Medical Sciences and Research Centre, Thiruvalla, Kerala India
| | - Asri Che Jusoh
- Department of General Surgery, Kuala Krai Hospital, Kuala Krai, Kelantan Malaysia
| | - Alain Chichom-Mefire
- Department of Surgery and Obstetrics/Gynaecology, Regional Hospital, Limbe, Cameroon
| | - Caroline Colijn
- Department of Mathematics, Imperial College London, London, UK
| | - Francesco Corcione
- Department of Laparoscopic and Robotic Surgery, Colli-Monaldi Hospital, Naples, Italy
| | - Yunfeng Cui
- Department of Surgery, Tianjin Nankai Hospital, Nankai Clinical School of Medicine, Tianjin Medical University, Tianjin, China
| | - Daniel Curcio
- Infectología Institucional SRL, Hospital Municipal Chivilcoy, Buenos Aires, Argentina
| | - Samir Delibegovic
- Department of Surgery, University Clinical Center of Tuzla, Tuzla, Bosnia and Herzegovina
| | - Zaza Demetrashvili
- Department General Surgery, Kipshidze Central University Hospital, Tbilisi, Georgia
| | | | - Sameer Dhingra
- School of Pharmacy, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Eric Williams Medical Sciences Complex, Uriah Butler Highway, Champ Fleurs, Trinidad and Tobago
| | - José J. Diaz
- Division of Acute Care Surgery, Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland, Baltimore, MD USA
| | - Isidoro Di Carlo
- Department of Surgical Sciences, Cannizzaro Hospital, University of Catania, Catania, Italy
| | - Angel Dillip
- Ifakara Health Institute, Dar es Salaam, Tanzania
| | | | - Michael P. Doyle
- Center for Food Safety, Department of Food Science and Technology, University of Georgia, Griffin, GA USA
| | - Gereltuya Dorj
- School of Pharmacy and Biomedicine, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - Agron Dogjani
- Department of Surgery, University Hospital of Trauma, Tirana, Albania
| | - Hervé Dupont
- Département d’Anesthésie-Réanimation, CHU Amiens-Picardie, and INSERM U1088, Université de Picardie Jules Verne, Amiens, France
| | - Soumitra R. Eachempati
- Department of Surgery, Division of Burn, Critical Care, and Trauma Surgery (K.P.S., S.R.E.), Weill Cornell Medical College/New York-Presbyterian Hospital, New York, USA
| | - Mushira Abdulaziz Enani
- Department of Medicine, Infectious Disease Division, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Valery N. Egiev
- Department of Surgery, Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Mutasim M. Elmangory
- Sudan National Public Health Laboratory, Federal Ministry of Health, Khartoum, Sudan
| | - Paula Ferrada
- Department of Surgery, Virginia Commonwealth University, Richmond, VA USA
| | - Joseph R. Fitchett
- Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA USA
| | - Gustavo P. Fraga
- Division of Trauma Surgery, Department of Surgery, School of Medical Sciences, University of Campinas (Unicamp), Campinas, SP Brazil
| | | | - Helen Giamarellou
- 6th Department of Internal Medicine, Hygeia General Hospital, Athens, Greece
| | - Wagih Ghnnam
- Department of General Surgery, Mansoura Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - George Gkiokas
- 2nd Department of Surgery, Aretaieion University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Carlos Augusto Gomes
- Department of Surgery, Hospital Universitário Terezinha de Jesus, Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Juiz de Fora, Brazil
| | - Harumi Gomi
- Center for Global Health, Mito Kyodo General Hospital, University of Tsukuba, Mito, Ibaraki Japan
| | - Manuel Guzmán-Blanco
- Hospital Privado Centro Médico de Caracas and Hospital Vargas de Caracas, Caracas, Venezuela
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defense Health, National Defence University of Malaysia, Kuala Lumpur, Malaysia
| | - Sonja Hansen
- Institute of Hygiene, Charité-Universitätsmedizin Berlin, Hindenburgdamm 27, 12203 Berlin, Germany
| | - Andreas Hecker
- Department of General and Thoracic Surgery, University Hospital Giessen, Giessen, Germany
| | | | - Torsten Herzog
- Department of Surgery, St. Josef Hospital, Ruhr University Bochum, Bochum, Germany
| | - Adrien Montcho Hodonou
- Department of Surgery, Faculté de médecine, Université de Parakou, BP 123 Parakou, Bénin
| | - Suk-Kyung Hong
- Division of Trauma and Surgical Critical Care, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Reinhold Kafka-Ritsch
- Department of Visceral, Transplant and Thoracic Surgery, Innsbruck Medical University, Innsbruck, Austria
| | - Lewis J. Kaplan
- Department of Surgery Philadelphia VA Medical Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Garima Kapoor
- Department of Microbiology, Gandhi Medical College, Bhopal, India
| | | | - Martin G. Kees
- Department of Anesthesiology and Intensive Care, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Jakub Kenig
- 3rd Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Ronald Kiguba
- Department of Pharmacology and Therapeutics, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Peter K. Kim
- Department of Surgery, Albert Einstein College of Medicine and Jacobi Medical Center, Bronx, NY USA
| | - Yoram Kluger
- Department of General Surgery, Division of Surgery, Rambam Health Care Campus, Haifa, Israel
| | - Vladimir Khokha
- Department of Emergency Surgery, City Hospital, Mozyr, Belarus
| | - Kaoru Koike
- Department of Primary Care and Emergency Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kenneth Y. Y. Kok
- Department of Surgery, The Brunei Cancer Centre, Jerudong Park, Brunei
| | - Victory Kong
- Department of Surgery, Edendale Hospital, Pietermaritzburg, South Africa
| | - Matthew C. Knox
- School of Medicine, Western Sydney University, Campbelltown, NSW Australia
| | - Kenji Inaba
- Division of Acute Care Surgery and Surgical Critical Care, Department of Surgery, Los Angeles County and University of Southern California Medical Center, University of Southern California, Los Angeles, CA USA
| | - Arda Isik
- Department of General Surgery, Erzincan University, Faculty of Medicine, Erzincan, Turkey
| | - Katia Iskandar
- Department of Pharmacy, Lebanese International University, Beirut, Lebanon
| | - Rao R. Ivatury
- Department of Surgery, Virginia Commonwealth University, Richmond, VA USA
| | - Maurizio Labbate
- School of Life Science and The ithree Institute, University of Technology, Sydney, NSW Australia
| | - Francesco M. Labricciosa
- Department of Biomedical Sciences and Public Health, Unit of Hygiene, Preventive Medicine and Public Health, UNIVMP, Ancona, Italy
| | - Pierre-François Laterre
- Department of Critical Care Medicine, Cliniques Universitaires Saint Luc, Université Catholique de Louvain (UCL), Brussels, Belgium
| | - Rifat Latifi
- Department of Surgery, Division of Trauma, University of Arizona, Tucson, AZ USA
| | - Jae Gil Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Young Ran Lee
- Texas Tech University Health Sciences Center School of Pharmacy, Abilene, TX USA
| | - Marc Leone
- Department of Anaesthesiology and Critical Care, Hôpital Nord, Assistance Publique-Hôpitaux de Marseille, Aix Marseille Université, Marseille, France
| | - Ari Leppaniemi
- Abdominal Center, University Hospital Meilahti, Helsinki, Finland
| | - Yousheng Li
- Department of Surgery, Inling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Stephen Y. Liang
- Division of Infectious Diseases, Division of Emergency Medicine, Washington University School of Medicine, St. Louis, MO USA
| | - Tonny Loho
- Division of Infectious Diseases, Department of Clinical Pathology, Faculty of Medicine, University of Indonesia, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
| | - Marc Maegele
- Department for Traumatology and Orthopedic Surgery, Cologne Merheim Medical Center (CMMC), University of Witten/Herdecke (UW/H), Cologne, Germany
| | - Sydney Malama
- Health Research Program, Institute of Economic and Social Research, University of Zambia, Lusaka, Zambia
| | - Hany E. Marei
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Ignacio Martin-Loeches
- Multidisciplinary Intensive Care Research Organization (MICRO), Wellcome Trust-HRB Clinical Research, Department of Clinical Medicine, Trinity Centre for Health Sciences, St James’ University Hospital, Dublin, Ireland
| | - Sanjay Marwah
- Department of Surgery, Post-Graduate Institute of Medical Sciences, Rohtak, India
| | - Amos Massele
- Department of Clinical Pharmacology, School of Medicine, University of Botswana, Gaborone, Botswana
| | - Michael McFarlane
- Department of Surgery, Radiology, University Hospital of the West Indies, Kingston, Jamaica
| | - Renato Bessa Melo
- General Surgery Department, Centro Hospitalar de São João, Porto, Portugal
| | - Ionut Negoi
- Department of Surgery, Emergency Hospital of Bucharest, Bucharest, Romania
| | - David P. Nicolau
- Center of Anti-Infective Research and Development, Hartford, CT USA
| | - Carl Erik Nord
- Department of Laboratory Medicine, Division of Clinical Microbiology, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | | | | | - Carlos A. Ordonez
- Department of Surgery and Critical Care, Universidad del Valle, Fundación Valle del Lili, Cali, Colombia
| | - Mouaqit Ouadii
- Department of Surgery, Hassan II University Hospital, Medical School of Fez, Sidi Mohamed Benabdellah University, Fez, Morocco
| | | | - Diego Piazza
- Division of Surgery, Vittorio Emanuele Hospital, Catania, Italy
| | - Guntars Pupelis
- Department of General and Emergency Surgery, Riga East University Hospital ‘Gailezers’, Riga, Latvia
| | - Timothy Miles Rawson
- National Institute for Health Research, Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London, Hammersmith Campus, London, UK
| | - Miran Rems
- Department of General Surgery, Jesenice General Hospital, Jesenice, Slovenia
| | - Sandro Rizoli
- Trauma and Acute Care Service, St Michael’s Hospital, University of Toronto, Toronto, Canada
| | | | - Boris Sakakhushev
- General Surgery Department, Medical University, University Hospital St George, Plovdiv, Bulgaria
| | | | - Norio Sato
- Department of Primary Care and Emergency Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Helmut A. Segovia Lohse
- II Cátedra de Clínica Quirúrgica, Hospital de Clínicas, Universidad Nacional de Asunción, San Lorenzo, Paraguay
| | - Gabriele Sganga
- Department of Surgery, Catholic University of Sacred Heart, Policlinico A Gemelli, Rome, Italy
| | - Boonying Siribumrungwong
- Department of Surgery, Faculty of Medicine, Thammasat University Hospital, Thammasat University, Pathum Thani, Thailand
| | - Vishal G. Shelat
- Department of General Surgery, Tan Tock Seng Hospital, Tan Tock Seng, Singapore
| | - Kjetil Soreide
- Department of Gastrointestinal Surgery, Stavanger University Hospital, Stavanger, Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Rodolfo Soto
- Department of Emergency Surgery and Critical Care, Centro Medico Imbanaco, Cali, Colombia
| | - Peep Talving
- Department of Surgery, North Estonia Medical Center, Tallinn, Estonia
| | - Jonathan V. Tilsed
- Surgery Health Care Group, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK
| | | | - Gabriel Trueba
- Institute of Microbiology, Biological and Environmental Sciences College, University San Francisco de Quito, Quito, Ecuador
| | - Ngo Tat Trung
- Department of Molecular Biology, Tran Hung Dao Hospital, No 1, Tran Hung Dao Street, Hai Ba Trung Dist, Hanoi, Vietnam
| | - Jan Ulrych
- 1st Department of Surgery - Department of Abdominal, Thoracic Surgery and Traumatology, General University Hospital, Prague, Czech Republic
| | - Harry van Goor
- Department of Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Andras Vereczkei
- Department of Surgery, Medical School University of Pécs, Pécs, Hungary
| | - Ravinder S. Vohra
- Nottingham Oesophago-Gastric Unit, Nottingham University Hospitals, Nottingham, UK
| | - Imtiaz Wani
- Department of Surgery, Sheri-Kashmir Institute of Medical Sciences, Srinagar, India
| | - Waldemar Uhl
- Department of Surgery, St. Josef Hospital, Ruhr University Bochum, Bochum, Germany
| | - Yonghong Xiao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affilliated Hospital, Zhejiang University, Zhejiang, China
| | - Kuo-Ching Yuan
- Trauma and Emergency Surgery Department, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | | | - Jean-Ralph Zahar
- Infection Control Unit, Angers University, CHU d’Angers, Angers, France
| | - Tanya L. Zakrison
- Division of Trauma and Surgical Critical Care, DeWitt Daughtry Family Department of Surgry, University of Miami, Miami, FL USA
| | - Antonio Corcione
- Anesthesia and Intensive Care Unit, AORN dei Colli Vincenzo Monaldi Hospital, Naples, Italy
| | - Rita M. Melotti
- Anesthesiology and Intensive Care Unit, Sant’Orsola University Hospital, Bologna, Italy
| | - Claudio Viscoli
- Infectious Diseases Unit, University of Genoa (DISSAL) and IRCCS San Martino-IST, Genoa, Italy
| | - Perluigi Viale
- Infectious Diseases Unit, Department of Medical and Surgical Sciences, Sant’ Orsola Hospital, University of Bologna, Bologna, Italy
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Madaras-Kelly K, Jones M, Remington R, Caplinger CM, Huttner B, Jones B, Samore M. Antimicrobial de-escalation of treatment for healthcare-associated pneumonia within the Veterans Healthcare Administration. J Antimicrob Chemother 2015; 71:539-46. [PMID: 26538501 DOI: 10.1093/jac/dkv338] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 09/17/2015] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES The objective of this study was to measure quantitatively antimicrobial de-escalation utilizing electronic medication administration data based on the spectrum of activity for antimicrobial therapy (i.e. spectrum score) to identify variables associated with de-escalation in a nationwide healthcare system. METHODS A retrospective cohort study of patients hospitalized for healthcare-associated pneumonia was conducted in Veterans Affairs Medical Centers (n = 119). Patients hospitalized for healthcare-associated pneumonia on acute-care wards between 5 and 14 days who received antimicrobials for ≥ 3 days during calendar years 2008-11 were evaluated. The spectrum score method was applied at the patient level to measure de-escalation on day 4 of hospitalization. De-escalation was expressed in aggregate and facility-level proportions. Logistic regression was used to assess variables associated with de-escalation. ORs with 95% CIs were reported. RESULTS Among 9319 patients, the de-escalation proportion was 28.3% (95% CI 27.4-29.2), which varied 6-fold across facilities [median (IQR) facility-level de-escalation proportion 29.1% (95% CI 21.7-35.6)]. Variables associated with de-escalation included initial broad-spectrum therapy (OR 1.5, 95% CI 1.4-1.5 for each 10% increase in spectrum), collection of respiratory tract cultures (OR 1.1, 95% CI 1.0-1.2) and care in higher complexity facilities (OR 1.3, 95% CI 1.1-1.6). Respiratory tract cultures were collected from 35.3% (95% CI 32.7-37.7) of patients. CONCLUSIONS De-escalation of antimicrobial therapy was limited and varied substantially across facilities. De-escalation was associated with respiratory tract culture collection and treatment in a high complexity-level facility.
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Affiliation(s)
- Karl Madaras-Kelly
- Boise Veterans Affairs Medical Center, T111, 500 W. Fort Street, Boise, ID 83702, USA College of Pharmacy, Idaho State University, Meridian, ID, USA
| | - Makoto Jones
- George E. Whalen Veterans Affairs Medical Center, Salt Lake City, UT, USA Division of Epidemiology, University of Utah, Salt Lake City, UT, USA
| | - Richard Remington
- Boise Veterans Affairs Medical Center, T111, 500 W. Fort Street, Boise, ID 83702, USA Quantified Inc., Boise, ID, USA
| | - Christina M Caplinger
- Boise Veterans Affairs Medical Center, T111, 500 W. Fort Street, Boise, ID 83702, USA College of Pharmacy, Idaho State University, Meridian, ID, USA
| | - Benedikt Huttner
- Division of Infectious Diseases and Infection Control Program, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Barbara Jones
- George E. Whalen Veterans Affairs Medical Center, Salt Lake City, UT, USA Division of Pulmonology and Critical Care Medicine, University of Utah, Salt Lake City, UT, USA
| | - Matthew Samore
- George E. Whalen Veterans Affairs Medical Center, Salt Lake City, UT, USA Division of Epidemiology, University of Utah, Salt Lake City, UT, USA
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