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Wu X, Wu J, Wang P, Fang X, Yu Y, Tang J, Xiao Y, Wang M, Li S, Zhang Y, Hu B, Ma T, Li Q, Wang Z, Wu A, Liu C, Dai M, Ma X, Yi H, Kang Y, Wang D, Han G, Zhang P, Wang J, Yuan Y, Wang D, Wang J, Zhou Z, Ren Z, Liu Y, Guan X, Ren J. Diagnosis and Management of Intraabdominal Infection: Guidelines by the Chinese Society of Surgical Infection and Intensive Care and the Chinese College of Gastrointestinal Fistula Surgeons. Clin Infect Dis 2021; 71:S337-S362. [PMID: 33367581 DOI: 10.1093/cid/ciaa1513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The Chinese guidelines for IAI presented here were developed by a panel that included experts from the fields of surgery, critical care, microbiology, infection control, pharmacology, and evidence-based medicine. All questions were structured in population, intervention, comparison, and outcomes format, and evidence profiles were generated. Recommendations were generated following the principles of the Grading of Recommendations Assessment, Development, and Evaluation system or Best Practice Statement (BPS), when applicable. The final guidelines include 45 graded recommendations and 17 BPSs, including the classification of disease severity, diagnosis, source control, antimicrobial therapy, microbiologic evaluation, nutritional therapy, other supportive therapies, diagnosis and management of specific IAIs, and recognition and management of source control failure. Recommendations on fluid resuscitation and organ support therapy could not be formulated and thus were not included. Accordingly, additional high-quality clinical studies should be performed in the future to address the clinicians' concerns.
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Affiliation(s)
- Xiuwen Wu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jie Wu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China.,BenQ Medical Center, Nanjing Medical University, Nanjing, China
| | - Peige Wang
- Department of Emergency Medicine, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xueling Fang
- Department of Critical Care Medicine, First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yunsong Yu
- Department of Infectious Diseases, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianguo Tang
- Department of Emergency Medicine, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Yonghong Xiao
- Department of Infectious Diseases, First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Minggui Wang
- Institute of Antibiotics, Huashan Hospital, Fudan University, Shanghai, China
| | - Shikuan Li
- Department of Emergency Medicine, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yun Zhang
- Department of Hepatobiliary and Pancreatic Surgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Bijie Hu
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Tao Ma
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiang Li
- Department of General Surgery, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiming Wang
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Anhua Wu
- Infection Control Center, Xiangya Hospital, Central South University, Changsha, China
| | - Chang Liu
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Menghua Dai
- Department of Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Xiaochun Ma
- Department of Critical Care Medicine, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Huimin Yi
- Department of Critical Care Medicine, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yan Kang
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Daorong Wang
- Department of General Surgery, Northern Jiangsu People's Hospital, Yangzhou, China
| | - Gang Han
- Department of Gastroenterology, Second Hospital of Jilin University, Changchun, China
| | - Ping Zhang
- Department of General Surgery, First Hospital of Jilin University, Changchun, China
| | - Jianzhong Wang
- Department of Gastroenterology, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yufeng Yuan
- Department of General Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Dong Wang
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing, China
| | - Jian Wang
- Department of Biliary and Pancreatic Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zheng Zhou
- Department of General Surgery, First Affiliated Hospital of University of Science and Technology of China, Hefei, China
| | - Zeqiang Ren
- Department of General Surgery, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yuxiu Liu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiangdong Guan
- Department of Critical Care Medicine, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jianan Ren
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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Fluoroquinolone-based versus β-lactam-based regimens for complicated intra-abdominal infections: a meta-analysis of randomised controlled trials. Int J Antimicrob Agents 2019; 53:746-754. [PMID: 30639629 DOI: 10.1016/j.ijantimicag.2019.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/27/2018] [Accepted: 01/06/2019] [Indexed: 11/24/2022]
Abstract
Complicated intra-abdominal infections (cIAIs) are common and confer significant morbidity, mortality and costs. In this era of evolving antimicrobial resistance, selection of appropriate empirical antimicrobials is paramount. This systematic review and meta-analysis of randomised controlled trials compared the effectiveness and safety of fluoroquinolone (FQ)-based versus β-lactam (BL)-based regimens for the treatment of patients with cIAIs. Primary outcomes were treatment success in the clinically evaluable (CE) population and all-cause mortality in the intention-to-treat (ITT) population. Subgroup analyses were performed based on specific antimicrobials, infection source and isolated pathogens. Seven trials (4125 patients) were included. FQ-based regimens included moxifloxacin (four studies) or ciprofloxacin/metronidazole (three studies); BL-based regimens were ceftriaxone/metronidazole (three studies), carbapenems (two studies) or piperacillin/tazobactam (two studies). There was no difference in effectiveness in the CE (2883 patients; RR = 1.00, 95% CI 0.95-1.04) or ITT populations (3055 patients; RR = 0.97, 95% CI 0.94-1.01). Mortality (3614 patients; RR = 1.04, 95% CI 0.75-1.43) and treatment-related adverse events (2801 patients; RR = 0.97, 95% CI 0.70-1.33) were also similar. On subset analysis, moxifloxacin was slightly less effective than BLs in the CE (1934 patients; RR = 0.96, 95% CI 0.93-0.99) and ITT populations (1743 patients; RR = 0.94, 95% CI 0.91-0.98). Although FQ- and BL-based regimens appear equally effective and safe for the treatment of cIAIs, limited data suggest slightly inferior results with moxifloxacin. Selection of empirical coverage should be based on local bacterial epidemiology and patterns of resistance as well as antimicrobial stewardship protocols.
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Mazuski JE, Tessier JM, May AK, Sawyer RG, Nadler EP, Rosengart MR, Chang PK, O'Neill PJ, Mollen KP, Huston JM, Diaz JJ, Prince JM. The Surgical Infection Society Revised Guidelines on the Management of Intra-Abdominal Infection. Surg Infect (Larchmt) 2017; 18:1-76. [PMID: 28085573 DOI: 10.1089/sur.2016.261] [Citation(s) in RCA: 321] [Impact Index Per Article: 45.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Previous evidence-based guidelines on the management of intra-abdominal infection (IAI) were published by the Surgical Infection Society (SIS) in 1992, 2002, and 2010. At the time the most recent guideline was released, the plan was to update the guideline every five years to ensure the timeliness and appropriateness of the recommendations. METHODS Based on the previous guidelines, the task force outlined a number of topics related to the treatment of patients with IAI and then developed key questions on these various topics. All questions were approached using general and specific literature searches, focusing on articles and other information published since 2008. These publications and additional materials published before 2008 were reviewed by the task force as a whole or by individual subgroups as to relevance to individual questions. Recommendations were developed by a process of iterative consensus, with all task force members voting to accept or reject each recommendation. Grading was based on the GRADE (Grades of Recommendation Assessment, Development, and Evaluation) system; the quality of the evidence was graded as high, moderate, or weak, and the strength of the recommendation was graded as strong or weak. Review of the document was performed by members of the SIS who were not on the task force. After responses were made to all critiques, the document was approved as an official guideline of the SIS by the Executive Council. RESULTS This guideline summarizes the current recommendations developed by the task force on the treatment of patients who have IAI. Evidence-based recommendations have been made regarding risk assessment in individual patients; source control; the timing, selection, and duration of antimicrobial therapy; and suggested approaches to patients who fail initial therapy. Additional recommendations related to the treatment of pediatric patients with IAI have been included. SUMMARY The current recommendations of the SIS regarding the treatment of patients with IAI are provided in this guideline.
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Affiliation(s)
- John E Mazuski
- 1 Department of Surgery, Washington University School of Medicine , Saint Louis, Missouri
| | | | - Addison K May
- 3 Department of Surgery, Vanderbilt University , Nashville, Tennessee
| | - Robert G Sawyer
- 4 Department of Surgery, University of Virginia , Charlottesville, Virginia
| | - Evan P Nadler
- 5 Division of Pediatric Surgery, Children's National Medical Center , Washington, DC
| | - Matthew R Rosengart
- 6 Department of Surgery, University of Pittsburgh , Pittsburgh, Pennsylvania
| | - Phillip K Chang
- 7 Department of Surgery, University of Kentucky , Lexington, Kentucky
| | | | - Kevin P Mollen
- 9 Division of Pediatric Surgery, Department of Surgery, University of Pittsburgh , Pittsburgh, Pennsylvania
| | - Jared M Huston
- 10 Department of Surgery, Hofstra Northwell School of Medicine , Hempstead, New York
| | - Jose J Diaz
- 11 Department of Surgery, University of Maryland School of Medicine , Baltimore, Maryland
| | - Jose M Prince
- 12 Departments of Surgery and Pediatrics, Hofstra-Northwell School of Medicine , Hempstead, New York
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Cheng G, Hao H, Dai M, Liu Z, Yuan Z. Antibacterial action of quinolones: From target to network. Eur J Med Chem 2013; 66:555-62. [DOI: 10.1016/j.ejmech.2013.01.057] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Revised: 01/23/2013] [Accepted: 01/26/2013] [Indexed: 11/27/2022]
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Chow AW, Evans GA, Nathens AB, Ball CG, Hansen G, Harding GKM, Kirkpatrick AW, Weiss K, Zhanel GG. Canadian practice guidelines for surgical intra-abdominal infections. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2010; 21:11-37. [PMID: 21358883 PMCID: PMC2852280 DOI: 10.1155/2010/580340] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Anthony W Chow
- Division of Infectious Disease, Department of Medicine, University of British Columbia and Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia
| | - Gerald A Evans
- Division of Infectious Diseases, Department of Medicine, Queen’s University, Kingston
| | - Avery B Nathens
- Department of Surgery, University of Toronto, Toronto, Ontario
| | - Chad G Ball
- Department of Surgery, University of Calgary, Calgary, Alberta
| | - Glen Hansen
- Departments of Pathology and Laboratory Medicine, University of Minnesota and Hennepin County Medical Center, Minnesota, USA
| | - Godfrey KM Harding
- Department of Medical Microbiology and Medicine, University of Manitoba, Winnipeg, Manitoba
| | | | - Karl Weiss
- Department of Infectious Diseases and Microbiology, Hôspital Maisonneuve-Rosemont, University of Montreal, Montreal, Quebec
| | - George G Zhanel
- Department of Medical Microbiology and Medicine, University of Manitoba, Winnipeg, Manitoba
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Mazuski JE, Sawyer RG, Nathens AB, DiPiro JT, Schein M, Kudsk KA, Yowler C. The Surgical Infection Society guidelines on antimicrobial therapy for intra-abdominal infections: an executive summary. Surg Infect (Larchmt) 2006; 3:161-73. [PMID: 12542922 DOI: 10.1089/109629602761624171] [Citation(s) in RCA: 160] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
The Surgical Infection Society last published guidelines on antimicrobial therapy for intra-abdominal infections in 1992 (Bohnen JMA, et al., Arch Surg 1992;127:83-89). Since then, an appreciable body of literature has been published on this subject. Therefore, the Therapeutics Agents Committee of the Society undertook an effort to update the previous guidelines, primarily using data published over the past decade. An additional goal of the Committee was to characterize its recommendations according to contemporary principles of evidence-based medicine. To develop these guidelines, the Committee carried out a systematic search for all English language articles published between 1990 and 2000 related to antimicrobial therapy for intra-abdominal infections. This literature was reviewed individually and collectively by the Committee, and categorized according to the type of study and its quality. Additional articles published prior to 1990 were also utilized when necessary. By a process of iterative consensus, the Committee developed provisional guidelines for antimicrobial therapy for intra-abdominal infections based on this evidence. Following extensive review by members of the Society, these guidelines were approved for publication in final form by the Council of the Surgical Infection Society. This executive summary delineates the Society's current recommendations for antimicrobial therapy of patients with intra-abdominal infections. Topics discussed include the selection of patients needing therapeutic antimicrobials, duration of antimicrobial therapy, acceptable antimicrobial regimens, and identification and treatment of higher-risk patients. Guidelines for patient selection and specific antimicrobial regimens were based on relatively good evidence, but those regarding optimal duration of therapy and treatment of higher-risk patients relied mostly on expert opinion, since there was a paucity of high-quality studies on those issues. Relevant areas for future investigation include the safety, convenience, and cost-effectiveness of available antimicrobial regimens for lower-risk patients, and better means for identifying and treating higher-risk patients with intra-abdominal infections.
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Affiliation(s)
- John E Mazuski
- Department of Surgery, Saint Louis University School of Medicine, St. Louis, MO 63110-1093, and Bronx Lebanon Hospital Center, Bronx, NY, USA.
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Mazuski JE, Sawyer RG, Nathens AB, DiPiro JT, Schein M, Kudsk KA, Yowler C. The Surgical Infection Society guidelines on antimicrobial therapy for intra-abdominal infections: evidence for the recommendations. Surg Infect (Larchmt) 2006; 3:175-233. [PMID: 12542923 DOI: 10.1089/109629602761624180] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Revised guidelines for the use of antimicrobial therapy in patients with intra-abdominal infections were recently developed by the Therapeutic Agents Committee of the Surgical Infection Society (Mazuski et al., Surg Infect 2002;3:161-173). These were based, insofar as possible, on evidence published over the past decade. The objective of this document is to describe the process by which the Committee identified and reviewed the published literature utilized to develop the recommendations and to summarize the results of those reviews. English-language articles published between 1990 and 2000 related to antimicrobial therapy for intra-abdominal infections were identified by a systematic MEDLINE search and an examination of references included in recent review articles. If current literature with regard to a specific issue was lacking, relevant articles published prior to 1990 were identified. All prospective randomized controlled trials, as well as other articles selected by the Committee, were evaluated individually and collectively. Data with regard to patient numbers, types of infections, and results of interventions were abstracted. Studies were categorized according to their design, and all included trials were graded according to quality. On the basis of this evidence, the Committee formulated recommendations for antimicrobial therapy for intra-abdominal infections and graded those recommendations. After receiving comments from invited reviewers and the general membership of the Society, the guidelines were finalized and submitted to the Council of the Surgical Infection Society for approval. The final recommendations related to the selection of patients needing therapeutic antimicrobials, acceptable antimicrobial regimens, duration of antimicrobial use, and the identification and treatment of higher-risk patients. Although numerous publications pertaining to these topics were identified, but nearly all of the prospective randomized controlled trials represented comparisons of different antimicrobial regimens for the treatment of intra-abdominal infections. A few prospective trials evaluated the need for therapeutic antimicrobial therapy in patients with peritoneal contamination following abdominal trauma. The quality of these prospective trials was highly variable. Many did not limit enrollment to patients with complicated intra-abdominal infections, lacked blinding of treatment assignment, did not provide a complete description of the criteria used to determine therapeutic success or failure, failed to identify the reasons why patients were excluded from analysis, or did not include an intention-to-treat analysis. For many issues, no prospective randomized controlled trials were encountered, and guidelines had to be formulated using evidence from studies with historical controls or uncontrolled data, or on the basis of expert opinion
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Affiliation(s)
- John E Mazuski
- Department of Surgery, Saint Louis University School of Medicine, St. Louis, MO 63110-1093, and Bronx Lebanon Hospital Center, Bronx, NY, USA.
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Noel AR, Bowker KE, Macgowan AP. Pharmacodynamics of moxifloxacin against anaerobes studied in an in vitro pharmacokinetic model. Antimicrob Agents Chemother 2006; 49:4234-9. [PMID: 16189103 PMCID: PMC1251564 DOI: 10.1128/aac.49.10.4234-4239.2005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The antibacterial effects of moxifloxacin against Bacteroides fragilis, Clostridium perfringens, and gram-positive anaerobic cocci (GPAC) were studied in an in vitro pharmacokinetic model. Initially, a dose-ranging study with area under the concentration-time curve (AUC)/MIC ratios of 6.7 to 890 was used to investigate the effect of anaerobic conditions on the AUC/MIC antibacterial effect (ABE) relationship with Escherichia coli. The AUC/MIC ratios for 50% and 90% effects, using a log CFU drop at 24 h as the antibacterial effect measure, were 34 and 59, respectively, aerobic and 54 and 96, respectively, anaerobic. These values are not significantly different. Dose ranging at AUC/MIC ratios of 9 to 216 against the anaerobes indicated a differing AUC/MIC ABE pattern, and the AUC/MICs for 50% and 90% effects were lower: for B. fragilis, they were 10.5 and 25.7, respectively; for C. perfringens, they were 8.6 and 16.2; and for GPAC, they were 7.3 and 17.4. The maximum-effect log drops were as follows: for B. fragilis, -3.2 +/- 0.2 logs; for C. perfringens, -3.7 +/- 0.1 logs; and for GPAC, -2.5 +/- 0.1 logs. Although the anaerobes were not eradicated, there was no emergence of resistance. Comparison of the ABE of moxifloxacin to that of ertapenem against B. fragilis indicated that moxifloxacin was superior at 24 h and 48 h. In contrast, ertapenem was superior to moxifloxacin against GPAC at 24 h and 48 h and against C. perfringens at 48 h. Both drugs performed equivalently against C. perfringens at 24 h. Monte Carlo simulations using human serum AUC data and an AUC/MIC anaerobe target of 7.5 suggests a >90% target achievement at MICs of <2 mg/liter. This divides the B. fragilis wild-type MIC distribution. The pharmacodynamic properties of moxifloxacin against anaerobes are different than those against aerobic species. The clinical implications of these differences need further exploration.
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Affiliation(s)
- Alan R Noel
- Bristol Centre for Antimicrobial Research & Evaluation, Department of Medical Microbiology, Southmead Hospital, UK
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Wong PF, Gilliam AD, Kumar S, Shenfine J, O'Dair GN, Leaper DJ. Antibiotic regimens for secondary peritonitis of gastrointestinal origin in adults. Cochrane Database Syst Rev 2005:CD004539. [PMID: 15846719 DOI: 10.1002/14651858.cd004539.pub2] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Secondary peritonitis is associated with a high mortality rate and if not treated successfully leads to development of abscesses, severe sepsis and multi-organ failure. Source control and adjunctive antibiotics are the mainstay of treatment. However, no conclusive evidence suggest that one antibiotic regimen is better than any other but at the same time have a lower toxicity. OBJECTIVES To ascertain the efficacy and adverse effects of different antibiotic regimens in treating intra-abdominal infections in adults. Outcomes were divided into primary (clinical success and effectiveness in reducing mortality) and secondary (microbiological success, preventing wound infection, intra-abdominal abscess, clinical sepsis, remote infection, superinfection, adverse reactions, duration of treatment required, effectiveness in reducing hospitalised stay, and time to defervescence). SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (Cochrane Library, Issue 4, 2004), MEDLINE (from 1966 to November 2004), EMBASE (from 1980 to November 2004) and Cochrane Colorectal Cancer Group specialised register SR-COLOCA. Bibliographies of identified studies were screened for further relevant trials. SELECTION CRITERIA Randomised and quasi-randomised controlled trials comparing different antibiotic regimens in the treatment of secondary peritonitis in adults were selected. Trials reporting gynaecological or traumatic peritonitis were excluded from this review. Ambiguity regarding suitability of trials were discussed among the review team. DATA COLLECTION AND ANALYSIS Six reviewers independently assessed trial quality and extracted data. Data collection was standardised using data collection form to ensure uniformity among reviewers. Statistical analyses were performed using the random effects model and the results expressed as odds ratio for dichotomous outcomes, or weight mean difference for continuous data with 95% confidence intervals. MAIN RESULTS Fourty studies with 5094 patients met the inclusion criteria. Sixteen different comparative antibiotic regimens were reported. All antibiotics showed equivocal comparability in terms of clinical success. Mortality did not differ between the regimens. Despite the potential high toxicity profile of regimens using aminoglycosides, this was not demonstrated in this review. The reason for this could be the inherent bias within clinical trials in the form of patient selection and stringency in monitoring drug levels. AUTHORS' CONCLUSIONS No specific recommendations can be made for the first line treatment of secondary peritonitis in adults with antibiotics, as all regimens showed equivocal efficacy. Other factors such as local guidelines and preferences, ease of administration, costs and availability must therefore be taken into consideration in deciding the antibiotic regimen of choice. Future trials should attempt to stratify patients and perform intention-to-treat analysis to allow better external validity.
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Affiliation(s)
- P F Wong
- Professorial Unit of Surgery, University Hospital of North Tees, Hardwick, Stockton on Tees, UK, TS19 8PE.
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Solomkin JS, Mazuski JE, Baron EJ, Sawyer RG, Nathens AB, DiPiro JT, Buchman T, Dellinger EP, Jernigan J, Gorbach S, Chow AW, Bartlett J. Guidelines for the Selection of Anti-infective Agents for Complicated Intra-abdominal Infections. Clin Infect Dis 2003; 37:997-1005. [PMID: 14523762 DOI: 10.1086/378702] [Citation(s) in RCA: 379] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2003] [Accepted: 06/30/2003] [Indexed: 02/02/2023] Open
Affiliation(s)
- Joseph S Solomkin
- Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0558, USA.
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Barie PS, Coppa G, Cryer HG, Fry DE, Lee PC, Martens MG, Nichols RL, O'Leary JP, Rapp RP, Sirinek KR, Smith DW, Wilson SE. Roundtable discussion of antibiotic therapy in surgical infections. Surg Infect (Larchmt) 2003; 1:79-89. [PMID: 12594913 DOI: 10.1089/109629600321335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- P S Barie
- Cornell University Medical College and Anne and Max A. Cohen Surgical Intensive Care Unit, The New York Presbyterian Hospital-Cornell Medical Center, New York, NY 10021, USA.
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Abstract
The quinolone antibiotics have been a major advance for the treatment of various types of infections. These agents have generally good safety profiles, broad-spectrum activity, and favorable pharmacokinetics. In addition, several of these antibiotics are available in both intravenous and oral formulations, which allows for sequential therapy resulting in potential cost savings. However, patients can develop serious central nervous system side effects (seizures) and phototoxicity. In addition, the bioavailability of agents in this class can be reduced by coadministration with cations, such as magnesium, aluminum, calcium, and iron, which may make bioavailability unpredictable in patients. Although older quinolones such as ciprofloxacin were effective as prophylactic agents for biliary procedures and colorectal surgery and for the treatment of intra-abdominal infections, the use of these older quinolones was limited by the development of resistant organisms. In addition, because these agents had poor activity against anaerobes such as Bacteroides fragilis, the agents had to be combined with an antianaerobic agent, such as metronidazole, when anaerobic coverage was required. Recently, a new quinolone, trovafloxacin, has become available. Trovafloxacin has demonstrated increased activity against anaerobes in animal and human studies. However, the clinical profile of trovafloxacin for abdominal infections has not been fully demonstrated, and there is some concern that its activity against aerobic gram-negative bacilli, especially Pseudomonas aeruginosa, may not equal that of ciprofloxacin. Moreover, the safety profile of trovafloxacin is disadvantageous owing to reports of severe hepatic toxicity.
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Affiliation(s)
- R L Nichols
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA 70112-2699, USA.
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Singh J, Burr B, Stringham D, Arrieta A. Commonly used antibacterial and antifungal agents for hospitalised paediatric patients: implications for therapy with an emphasis on clinical pharmacokinetics. Paediatr Drugs 2002; 3:733-61. [PMID: 11706924 DOI: 10.2165/00128072-200103100-00003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Due to normal growth and development, hospitalised paediatric patients with infection require unique consideration of immune function and drug disposition. Specifically, antibacterial and antifungal pharmacokinetics are influenced by volume of distribution, drug binding and elimination, which are a reflection of changing extracellular fluid volume, quantity and quality of plasma proteins, and renal and hepatic function. However, there is a paucity of data in paediatric patients addressing these issues and many empiric treatment practices are based on adult data. The penicillins and cephalosporins continue to be a mainstay of therapy because of their broad spectrum of activity, clinical efficacy and favourable tolerability profile. These antibacterials rapidly reach peak serum concentrations and readily diffuse into body tissues. Good penetration into the cerebrospinal fluid (CSF) has made the third-generation cephalosporins the agents of choice for the treatment of bacterial meningitis. These drugs are excreted primarily by the kidney. The carbapenems are broad-spectrum beta-lactam antibacterials which can potentially replace combination regimens. Vancomycin is a glycopeptide antibacterial with gram-positive activity useful for the treatment of resistant infections, or for those patients allergic to penicillins and cephalosporins. Volume of distribution is affected by age, gender, and bodyweight. It diffuses well across serous membranes and inflamed meninges. Vancomycin is excreted by the kidneys and is not removed by dialysis. The aminoglycosides continue to serve a useful role in the treatment of gram-negative, enterococcal and mycobacterial infections. Their volume of distribution approximates extracellular space. These drugs are also excreted renally and are removed by haemodialysis. Passage across the blood-brain barrier is poor, even in the face of meningeal inflammation. Low pH found in abscess conditions impairs function. Toxicity needs to be considered. Macrolide antibacterials are frequently used in the treatment of respiratory infections. Parenteral erythromycin can cause phlebitis, which limits its use. Parenteral azithromycin is better tolerated but paediatric pharmacokinetic data are lacking. Clindamycin is frequently used when anaerobic infections are suspected. Good oral absorption makes it a good choice for step-down therapy in intra-abdominal and skeletal infections. The use of quinolones in paediatrics has been restricted and most information available is in cystic fibrosis patients. High oral bioavailability is also important for step-down therapy. Amphotericin B has been the cornerstone of antifungal treatment in hospitalised patients. Its metabolism is poorly understood. The half-life increases with time and can be as long as 15 days after prolonged therapy. Oral absorption is poor. The azole antifungals are being used increasingly. Fluconazole is well tolerated, with high bioavailability and good penetration into the CSF. Itraconazole has greater activity against aspergillus, blastomycosis, histoplasmosis and sporotrichosis, although it's pharmacological and toxicity profiles are not as favourable.
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Affiliation(s)
- J Singh
- Division of Infectious Disease, Children's Hospital of Orange County, Orange, California 92868, USA
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Abstract
OBJECTIVE To review clinical information on fluoroquinolone antimicrobials to distinguish between these agents and help define their place in clinical practice. DATA SOURCES Primary and review articles on fluoroquinolones available commercially in the US as of August 2000 were identified through MEDLINE (from 1993-August 2000) and secondary sources. STUDY SELECTION AND DATA EXTRACTION All pertinent, published, clinical trials for levofloxacin, moxifloxacin, and gatifloxacin were included. Minimal data were included for quinolones with restricted or limited uses, including trovafloxacin, sparfloxacin, enoxacin, and lomefloxacin. Due to the quantity of data on ciprofloxacin, only more recent or pivotal trials or articles summarizing data on specific infections were included. Relevant information was included if it was believed to assist in differentiating between the fluoroquinolones for infections for which these agents would most commonly be considered. DATA SYNTHESIS Fluoroquinolones are a potent class of intravenous and oral broad-spectrum antimicrobial agents used for treating a wide range of community-acquired and nosocomial infections. More than 10 quinolones have been approved for use; although some of these have been withdrawn from the market, numerous others are under investigation. It has become increasingly important to be able to differentiate between these agents. CONCLUSIONS Differences in safety, antimicrobial spectrum of activity, and resistance development support the selective use of various fluoroquinolones in differing clinical situations.
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Affiliation(s)
- J A Paladino
- Clinical Outcomes & Pharmacoeconomics, CPL Associates, Amherst, NY 14226-1727, USA.
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Solomkin JS, Wilson SE, Christou NV, Rotstein OD, Dellinger EP, Bennion RS, Pak R, Tack K. Results of a clinical trial of clinafloxacin versus imipenem/cilastatin for intraabdominal infections. Ann Surg 2001; 233:79-87. [PMID: 11141229 PMCID: PMC1421170 DOI: 10.1097/00000658-200101000-00013] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Clinafloxacin is a novel quinolone with wide activity against the plethora of microorganisms encountered in intraabdominal infections. This trial was performed to examine its clinical efficacy. SUMMARY BACKGROUND DATA Clinafloxacin is representative of a new class of quinolones with considerable antimicrobial activity resulting from their mechanisms of action and pharmacodynamics. There is, however, concern about specific potential toxicities, including photosensitivity. METHODS This prospective, randomized, double-blind trial was conducted to compare clinafloxacin with imipenem/cilastatin as adjuncts in the management of complicated intraabdominal infections. RESULTS Five hundred twenty-nine patients were included in the intent-to-treat population, with 312 meeting all criteria for the valid population. Patients with a wide range of infections were enrolled; perforated or abscessed appendicitis was the most common (approximately 50%). One hundred twenty-three of the 150 valid patients treated with clinafloxacin (82%) had successful outcomes, as did 130 of the 162 (80%) treated with imipenem. For the intent-to-treat groups, 219 of 259 patients treated with clinafloxacin (85%) had successful outcomes, as did 219 of 270 patients treated with imipenem/cilastatin (81%). Treatment failure occurred in 39 patients who underwent drainage. There were substantially more gram-negative organisms recovered from the patients with treatment failure who were initially treated with imipenem/cilastatin. CONCLUSIONS The results of this study clearly demonstrate the safety and efficacy of clinafloxacin in the treatment of a range of intraabdominal infections, and in patients with a broad range of physiologic disturbances.
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Affiliation(s)
- J S Solomkin
- Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267-0558, USA.
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Pickerill KE, Paladino JA, Schentag JJ. Comparison of the fluoroquinolones based on pharmacokinetic and pharmacodynamic parameters. Pharmacotherapy 2000; 20:417-28. [PMID: 10772373 DOI: 10.1592/phco.20.5.417.35062] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Assessment of pharmacodynamic activity from standard in vitro minimum inhibitory concentrations (MICs) alone is insufficient to predict in vivo potency. Achievable serum and tissue concentrations as well as pharmacokinetic characteristics must be considered. When pharmacokinetic and pharmacodynamic values are combined, the area under the inhibitory curve (AUIC) and peak concentration:MIC ratio predict clinical cure for fluoroquinolones. Clinical data and animal models indicate that a peak:MIC of 10:1 and above and an AUIC of 125 and above are predictive of a clinical cure for this class of antimicrobials against gram-negative organisms. The values may be used to compare and contrast fluoroquinolones to determine which would be best for treating a specific microorganism. Pharmacodynamic data also can be used to design regimens that minimize the risk of suboptimal drug levels. Ensuring the optimal fluoroquinolone dosage based on pharmacodynamic principles would diminish the emergence of resistant organisms and prevent treatment failures.
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Affiliation(s)
- K E Pickerill
- Clinical Pharmacokinetics Laboratory, Millard Fillmore Hospitals, Buffalo, New York 14221, USA
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Abstract
The second-generation fluoroquinolones have enjoyed successful clinical use for more than 10 years in many countries, and they have a valued and proven record of safety and efficacy. However, deficiencies with respect to gram-positive and anaerobic organisms limit the use of these agents in respiratory, intra-abdominal, and pelvic infections. New, third-generation agents with dramatically increased activity against gram-positive and anaerobic bacteria--notably, Streptococcus pneumoniae and Bacteroides fragilis--have shown high rates of efficacy in pneumonia, bronchitis, and surgical and gynecologic infections. Although most of these new drugs produce similar clinical results, adverse reaction profiles differ and may influence therapeutic choices.
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Affiliation(s)
- P Ball
- 6, Gilchrist Row, St. Andrews, Fife KY16 8XU, Scotland
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20
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Williams DJ, Hopkins S. Safety and tolerability of intravenous-to-oral treatment and single-dose intravenous or oral prophylaxis with trovafloxacin. Am J Surg 1998; 176:74S-79S. [PMID: 9935261 DOI: 10.1016/s0002-9610(98)00224-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND The new fourth-generation fluoroquinolone, trovafloxacin, is active in vitro against gram-positive and gram-negative organisms, atypical pathogens, and anaerobes, and has pharmacokinetics permitting once-daily intravenous or oral dosing. Safety/tolerability data from phase II/III clinical trials of sequential intravenous alatrofloxacin to oral trovafloxacin and single-dose intravenous or oral prophylaxis are summarized. METHODS All trials were double-blind, randomized, and multicenter. In multidose trials with alatrofloxacin, 1,257 patients requiring initial intravenous therapy received once-daily alatrofloxacin (trovafloxacin prodrug, 200 or 300 mg/day) followed by oral 200 mg/day trovafloxacin. An additional 444 patients received a single alatrofloxacin or trovafloxacin dose prophylactically for surgical procedures. RESULTS Therapy with alatrofloxacin was well tolerated. The most common treatment-related adverse events in studies of intravenous alatrofloxacin followed by oral trovafloxacin were nausea, headache, insertion site reaction, and dizziness. In single-dose intravenous or oral prophylaxis studies, insertion-site reaction, pruritus, and insertion-site pain were the most common treatment-related adverse events. No serious quinolone toxicity or drug interactions were reported. The incidence of serious treatment-related adverse events was < 1% in both the alatrofloxacin and comparator groups. In comparative trials, mortality due to all causes after trovafloxacin was similar to that after comparative agents; there was no mortality related to trovafloxacin administration. CONCLUSION In this large patient sample, intravenous alatrofloxacin followed by oral trovafloxacin was safe and well tolerated. Serious adverse events, such as phototoxicity, cardiovascular toxicity, and hemolytic anemia associated with older fluoroquinolones, were not noted with trovafloxacin. No interactions of trovafloxacin with other drugs were reported. The safety and tolerability of trovafloxacin, along with in vitro activity against key pathogens and pharmacokinetics permitting once-daily administration, support its oral and intravenous use in patients with obstetric, gynecologic, and intra-abdominal infections as well as for prophylaxis of surgical infection.
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Affiliation(s)
- D J Williams
- Pfizer Central Research, Groton, Connecticut 06340, USA
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21
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Abstract
Postoperative infection remains a complication of surgical procedures, resulting in increased morbidity, mortality, and cost. The frequent polymicrobial etiology and emerging patterns of resistance continue to compromise cure rates. Although quinolones have many attractive properties for the surgical setting, combination therapy is routinely indicated for appropriate coverage. Advanced-generation quinolones, such as trovafloxacin, offer an increased antimicrobial spectrum, including activity against important surgical pathogens, and longer elimination half-lives. These newer agents may be used intravenously or orally as once-daily single-agent therapy for surgical prophylaxis, and in place of combination therapy for complex intra-abdominal and pelvic infections.
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Affiliation(s)
- J A Weigelt
- Department of Surgery, St. Paul-Ramsey Medical Center, University of Minnesota, 55101, USA
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Roy S, Koltun W, Chatwani A, Martens MG, Dittrich R, Luke DR. Treatment of acute gynecologic infections with trovafloxacin. Trovafloxacin Surgical Group. Am J Surg 1998; 176:67S-73S. [PMID: 9935260 DOI: 10.1016/s0002-9610(98)00223-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
BACKGROUND Trovafloxacin, a broad-spectrum fourth-generation quinolone with gram-positive and gram-negative aerobic and anaerobic bacterial activity, is available in oral and intravenous formulations. The objective of this prospective, multicenter, double-blind, randomized study was to compare the efficacy of trovafloxacin with that of cefoxitin, an approved drug for treatment of acute gynecologic infections, together with amoxicillin/clavulanic acid as oral follow-on treatment. METHODS Patients with a clinical diagnosis of acute pelvic infection received either intravenous alatrofloxacin with oral trovafloxacin follow-on (trovafloxacin) or a combined regimen of cefoxitin followed by amoxicillin/clavulanic acid for a maximum of 14 days. The primary endpoint was clinical response to therapy on follow-up at day 30. RESULTS Clinical success rates were comparable between the trovafloxacin (n = 107) and comparative (n = 119) groups at study end (90% vs. 86%, respectively; 95% confidence interval, -4.5, 12.5). Among clinically evaluable patients, clinical success rates for infections involving Enterococcus species were higher with trovafloxacin than with the comparative regimen at the end of treatment (96% and 85%) and at study end (96% and 86%). CONCLUSION Intravenous alatrofloxacin followed by oral trovafloxacin for a maximum of 14 days of total therapy was efficacious in the treatment of acute pelvic infections.
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Affiliation(s)
- S Roy
- Women and Children's Hospital, Los Angeles, California 90033, USA
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Weigelt JA, Faro S. Antimicrobial therapy for surgical prophylaxis and for intra-abdominal and gynecologic infections. Am J Surg 1998; 176:1S-3S. [PMID: 9935248 DOI: 10.1016/s0002-9610(98)00211-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- J A Weigelt
- Department of Surgery, St. Paul-Ramsey Medical Center, University of Minnesota, 55101, USA
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