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De Waele JJ, Coccolini F, Lagunes L, Maseda E, Rausei S, Rubio-Perez I, Theodorakopoulou M, Arvanti K. Optimized Treatment of Nosocomial Peritonitis. Antibiotics (Basel) 2023; 12:1711. [PMID: 38136745 PMCID: PMC10740749 DOI: 10.3390/antibiotics12121711] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/24/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
This comprehensive review aims to provide a practical guide for intensivists, focusing on enhancing patient care associated with nosocomial peritonitis (NP). It explores the epidemiology, diagnosis, and management of NP, a significant contributor to the mortality of surgical patients worldwide. NP is, per definition, a hospital-acquired condition and a consequence of gastrointestinal surgery or a complication of other diseases. NP, one of the most prevalent causes of sepsis in surgical Intensive Care Units (ICUs), is often associated with multi-drug resistant (MDR) bacteria and high mortality rates. Early clinical suspicion and the utilization of various diagnostic tools like biomarkers and imaging are of great importance. Microbiology is often complex, with antimicrobial resistance escalating in many parts of the world. Fungal peritonitis and its risk factors, diagnostic hurdles, and effective management approaches are particularly relevant in patients with NP. Contemporary antimicrobial strategies for treating NP are discussed, including drug resistance challenges and empirical antibiotic regimens. The importance of source control in intra-abdominal infection management, including surgical and non-surgical interventions, is also emphasized. A deeper exploration into the role of open abdomen treatment as a potential option for selected patients is proposed, indicating an area for further investigation. This review underscores the need for more research to advance the best treatment strategies for NP.
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Affiliation(s)
- Jan J. De Waele
- Department of Intensive Care Medicine, Ghent University Hospital, 9000 Ghent, Belgium
- Department of Internal Medicine and Pediatrics, Faculty of Medicine and Health Sciences, Ghent University, 9000 Ghent, Belgium
| | - Federico Coccolini
- General, Emergency and Trauma Surgery Department, Pisa University Hospital, 56124 Pisa, Italy;
| | - Leonel Lagunes
- Vall d’Hebron Institut de Recerca CRIPS, 08035 Barcelona, Spain;
- Facultad de Medicina, Universidad Autónoma de San Luis Potosi, 78210 San Luis Potosi, Mexico
| | - Emilio Maseda
- Department of Anesthesia and Critical Care, Hospital Quironsalud Valle del Henares, 28850 Madrid, Spain;
- Department of Pharmacology and Toxicology, Complutense University of Madrid, 28040 Madrid, Spain
| | - Stefano Rausei
- General Surgery Unit, Department of Surgery, Cittiglio-Angera Hospital, ASST SetteLaghi, 21100 Varese, Italy;
| | - Ines Rubio-Perez
- Colorectal Surgery Unit, Department of General Surgery, Hospital Universitario La Paz, 28029 Madrid, Spain;
- Hospital La Paz Institute for Health Research (Idipaz), 28029 Madrid, Spain
- Universidad Autonoma de Madrid, 28029 Madrid, Spain
| | - Maria Theodorakopoulou
- 1st Department of Critical Care Medicine & Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, Evangelismos Hospital, 10675 Athens, Greece;
| | - Kostoula Arvanti
- Department of Intensive Care Medicine, Papageorgiou Hospital, 54646 Thessaloniki, Greece;
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2
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Lee RA, Stripling JT, Spellberg B, Centor RM. Short-course antibiotics for common infections: what do we know and where do we go from here? Clin Microbiol Infect 2023; 29:150-159. [PMID: 36075498 DOI: 10.1016/j.cmi.2022.08.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Over the past 25 years, researchers have performed >120 randomized controlled trials (RCTs) illustrating short courses to be non-inferior to long courses of antibiotics for common bacterial infections. OBJECTIVE We sought to determine whether clinical data from RCTs affirm the mantra of 'shorter is better' for antibiotic durations in 7 common infections: pneumonia, urinary tract infection, intra-abdominal infection, bacteraemia, skin and soft tissue infection, bone and joint infections, pharyngitis and sinusitis. SOURCES Published RCTs comparing short- versus long-course antibiotic durations were identified through searches of PubMed and clinical guideline documents. CONTENT Short-course antibiotic durations consistently result in similar treatment success rates as longer antibiotic courses among patients with community-acquired pneumonia, complicated urinary tract infections in women, gram-negative bacteraemia, and skin and soft tissue infections when the diagnosis is confirmed, appropriate antimicrobials are used, and patients show clinical signs of improvement. For patients with osteomyelitis, 6 weeks of antibiotics is adequate for the treatment of osteomyelitis in the absence of implanted foreign bodies and surgical debridement. Whether durations can be further shortened with debridement is unclear, although small studies are promising. IMPLICATIONS With few exceptions, short courses were non-inferior to long courses; future research should focus on appropriately defining the patient population, ensuring the correct choice and dose of antimicrobials and developing meaningful outcomes relevant for frontline clinicians.
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Affiliation(s)
- Rachael A Lee
- Department of Medicine, Division of Infectious Diseases, University of Alabama Heersink School of Medicine, Birmingham, AL, USA; Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA.
| | - Joshua T Stripling
- Department of Medicine, Division of Infectious Diseases, University of Alabama Heersink School of Medicine, Birmingham, AL, USA; Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA
| | - Brad Spellberg
- Los Angeles County + University of Southern California Medical Center, Los Angeles, CA, USA
| | - Robert M Centor
- Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA; Department of Medicine, University of Alabama Heersink School of Medicine, Birmingham, AL, USA
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3
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Yoon YK, Moon C, Kim J, Heo ST, Lee MS, Lee S, Kwon KT, Kim SW. Korean Guidelines for Use of Antibiotics for Intra-abdominal Infections in Adults. Infect Chemother 2022; 54:812-853. [PMID: 36596690 PMCID: PMC9840951 DOI: 10.3947/ic.2022.0156] [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: 11/02/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
The guidelines are intended to provide practical information for the correct use of antibiotics for intra-abdominal infections in Korea. With the aim of realizing evidence-based treatment, these guidelines for the use of antibiotics were written to help clinicians find answers to key clinical questions that arise in the course of patient care, using the latest research results based on systematic literature review. The guidelines were prepared in consideration of the data on the causative pathogens of intra-abdominal infections in Korea, the antibiotic susceptibility of the causative pathogens, and the antibiotics available in Korea.
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Affiliation(s)
- Young Kyung Yoon
- Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.,Korean Society for Antimicrobial Therapy, Seoul, Korea
| | - Chisook Moon
- Korean Society for Antimicrobial Therapy, Seoul, Korea.,Division of Infectious Diseases, Department of Internal Medicine, Inje University College of Medicine, Busan, Korea
| | - Jieun Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.,Korean Society of Infectious Diseases, Seoul, Korea
| | - Sang Taek Heo
- Korean Society of Infectious Diseases, Seoul, Korea.,Division of Infectious Diseases, Department of Internal Medicine, Jeju National University College of Medicine, Jeju, Korea
| | - Mi Suk Lee
- Korean Society of Infectious Diseases, Seoul, Korea.,Department of Internal Medicine, Kyung Hee University College of Medicine, Seoul, Korea
| | - Shinwon Lee
- Korean Society of Infectious Diseases, Seoul, Korea.,Department of Internal Medicine, Pusan National University School of Medicine and Medical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Ki-Tae Kwon
- Korean Society for Antimicrobial Therapy, Seoul, Korea.,Division of Infectious Diseases, Department of Internal Medicine, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Shin-Woo Kim
- Korean Society for Antimicrobial Therapy, Seoul, Korea.,Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
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4
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Yasin NA, Ali AM, Ahmed MA, Keleşoğlu Sİ. Epidemiological Characteristics, Antimicrobial Susceptibility Profile, and Surgical Outcome of Complicated Intra-Abdominal Infection at a Tertiary Hospital in Somalia. Int J Gen Med 2022; 15:7427-7434. [PMID: 36172084 PMCID: PMC9512019 DOI: 10.2147/ijgm.s379711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/09/2022] [Indexed: 11/30/2022] Open
Abstract
Background Intra-abdominal infections (IAIs) are common surgical emergencies and one of the leading causes of non-trauma deaths in hospitals worldwide. Because of limited resources, most patients in low-income countries experience delayed diagnosis and treatment. To the best of our knowledge, this is the first study to evaluate the epidemiological characteristics, antimicrobial susceptibility profile, and outcome of patients with complicated IAI at a tertiary hospital in Somalia. Methods This study included all patients with confirmed IAIs who underwent laparotomy or percutaneous drainage, either emergency or elective, and whose cultures showed growth. Sociodemographic and clinical characteristics, culture results, antimicrobial susceptibility profile, and the type of source control were reviewed. Results The prevalence of CIAI was 5.3%, 144 (70%) were male, and 61 (30%) were female. The mean age was 38.6±8.5 years. Appendicitis was the most common source of infection, accounting for 32%, followed by bowel perforation in 37 (18%). Out of 15 patients with liver abscesses, ten patients had diabetes (67%). E. coli 82 (40%) was the most common isolated organism, followed by Klebsiella pneumonia (n = 44, 21.5%). The prevalence of extended-spectrum beta-lactamase-producing and multidrug-resistant pathogens was 6.8% and 5.9%, respectively. The pathogens revealed a higher antimicrobial resistance against penicillins in 62%, cephalosporins in 54%, and fluoroquinolones in 44%. E. coli showed 2.5–13% antimicrobial resistance against carbapenems, lower than Klebsiella pneumonia in about 4.5%. Tigecycline, teicoplanin, and linezolid revealed the highest sensitivity against pathogens, about 100%. Source control was achieved by laparotomy in 81%, while the 19% were managed in a percutaneous approach. The mortality rate in our study was 9.3%. Conclusion The prevalence of CIAI in our study was 5.3%, with an increasing number of MDR microorganisms isolated from cultures. CIAI and intra-abdominal abscess are significant sources of high morbidity and mortality with sepsis and poor clinical outcome; thus, early detection and intervention are crucial.
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Affiliation(s)
- Nor Abdi Yasin
- Department of General Surgery, Mogadishu Somalia Turkish Training and Research Hospital, Mogadishu, Somalia
- Correspondence: Nor Abdi Yasin, Tel +252 615732173, Email
| | - Abdihamid Mohamed Ali
- Department of General Surgery, Mogadishu Somalia Turkish Training and Research Hospital, Mogadishu, Somalia
| | - Mohamed Abdi Ahmed
- Department of General Surgery, Mogadishu Somalia Turkish Training and Research Hospital, Mogadishu, Somalia
| | - Salim İdris Keleşoğlu
- Department of General Surgery, Mogadishu Somalia Turkish Training and Research Hospital, Mogadishu, Somalia
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5
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Abstract
Antibiotic resistance is a public health concern. A critical care clinician is faced with a clinical dilemma of using the appropriate treatment without compromising the antibiotic armamentarium. Postoperative and trauma patients in the intensive care unit (ICU) pose a unique challenge of mounting a systemic inflammatory response, which makes it even more difficult to differentiate inflammation from infection. The decision for type of empirical therapy should be individualized to the patient and local ecology data and resistance profiles. After initiation of empirical therapy, deescalation should be done once microbiology data are available. Antibiotic stewardship programs are essential in the ICU.
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6
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Pörner D, Von Vietinghoff S, Nattermann J, Strassburg CP, Lutz P. Advances in the pharmacological management of bacterial peritonitis. Expert Opin Pharmacother 2021; 22:1567-1578. [PMID: 33878993 DOI: 10.1080/14656566.2021.1915288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: Bacterial peritonitis is an infection with high mortality if not treated immediately. In the absence of an intraabdominal source of infection, bacterial peritonitis may arise in patients with liver cirrhosis, in patients on peritoneal dialysis (PD) for end-stage renal disease or in patients with tuberculosis. In patients with cirrhosis, bacterial peritonitis may trigger acute on chronic liver failure with substantial mortality despite optimal treatment. In patients on PD, peritonitis may make continuation of PD impossible, necessitating the switch to hemodialysis.Areas covered: Recovery from peritonitis and prevention of complications depend on timely pharmacological management. Challenges are the broad microbiological spectrum with growing rates of antimicrobial resistance, the underlying chronic liver or kidney failure and high rates of relapse. The authors provide a review of predisposing conditions, diagnosis, and prevention of bacterial peritonitis with a particular focus on the pharmacological management.Expert opinion: Diagnosis of the type of bacterial peritonitis is essential to pharmacological management. In patients with spontaneous bacterial peritonitis, broad-spectrum antibiotics should be given intravenously in conjunction with albumin. In patients on PD, antibiotic therapy should be preferably applied intraperitoneally with empirical coverage of gram-positive and gram-negative bacteria. Secondary peritonitis usually requires surgical or interventional treatment.
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Affiliation(s)
- Daniel Pörner
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Sibylle Von Vietinghoff
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Jacob Nattermann
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
- German Center for Infection Research (DZIF), University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Christian P Strassburg
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
- German Center for Infection Research (DZIF), University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
| | - Philipp Lutz
- Department of Internal Medicine I, University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
- German Center for Infection Research (DZIF), University Hospital Bonn, Venusberg-Campus 1, Bonn, Germany
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7
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Antibiotic-resistant microorganisms in patients with bloodstream infection of intraabdominal origin: risk factors and impact on mortality. Infection 2021; 49:693-702. [PMID: 33728587 DOI: 10.1007/s15010-021-01592-y] [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] [Received: 12/14/2020] [Accepted: 02/20/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Knowledge of resistance patterns is essential to choose empirical treatment. We aimed to determine the risk factors for antibiotic-resistant microorganisms (ARM) in intraabdominal infections (IAI) and their impact on mortality. METHODS Retrospective cohort study of patients with bacteremia from IAI origin in a single hospital between January 2006 and July 2017. RESULTS A total of 1485 episodes were recorded, including 381 (25.6%) due to ARM. Independent predictors of ARM were cirrhosis (OR 2; [95% CI 1.15-3.48]), immunosuppression (OR 1.49; 1.12-1.97), prior ceftazidime exposure (OR 3.7; 1.14-11.9), number of prior antibiotics (OR 2.33; 1.61-3.35 for 1 antibiotic), biliary manipulation (OR 1.53; 1.02-2.96), hospital-acquisition (OR 2.77; 1.89-4) and shock (OR 1.48; 1.07-2). Mortality rate of the whole cohort was 11.1%. Age (OR 1.03; 1.01-1.04), cirrhosis (OR 2.32; 1.07-4.38), urinary catheter (OR 1.99; 1.17-3.38), ultimately (OR 2.28; 1.47-3.51) or rapidly (OR 13.3; 7.12-24.9) fatal underlying disease, nosocomial infection (OR 2.76; 1.6-4.75), peritonitis (OR 1.95, 1.1-3.45), absence of fever (OR 2.17; 1.25-3.77), shock (OR 5.96; 3.89-9.13), and an ARM in non-biliary infections (OR 2.14; 1.19-3.83) were independent predictors of 30-day mortality. Source control (OR 0.24; 0.13-0.44) and 2015-2017 period (OR 0.29; 0.14-0.6) were protective. CONCLUSION Biliary manipulation and septic shock are predictors of ARM. The presence of an ARM from a non-biliary focus is a poor-prognosis indicator. Source control continues to be of paramount importance.
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8
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Huang Z, Ghasemi H. Hydrophilic polymer-based anti-biofouling coatings: Preparation, mechanism, and durability. Adv Colloid Interface Sci 2020; 284:102264. [PMID: 32947152 DOI: 10.1016/j.cis.2020.102264] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 01/16/2023]
Abstract
Anti-biofouling materials that combat microorganism attachment have been intensively studied due to the ever-growing demand on smart and durable coatings. Although various hydrophilic polymer surfaces demonstrated superior anti-biofouling properties, their practical application was hampered by the undesired mechanical vulnerability and complicated fabrication process. In this review, we summarized the mechanically and chemically robust anti-biofouling coatings into six strategies namely (i) 3D-grafted coatings, (ii) hierarchical spheres-based coatings, (iii) inorganic nanomaterials-reinforced coatings, (iv) hydrolysis-based coating, (v) semi-interpenetrating structure-based coatings, and (vi) layer-by-layer (LbL) assembled coatings. The anti-biofouling efficacy and durability of these coatings over a series of challenges were also comprehensively presented. The purpose of this review is to inspire researchers to develop novel anti-biofouling coatings for future practical applications.
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9
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Tufa TB, Fuchs A, Feldt T, Galata DT, Mackenzie CR, Pfeffer K, Häussinger D. CTX-M-9 group ESBL-producing Raoultella planticola nosocomial infection: first report from sub-Saharan Africa. Ann Clin Microbiol Antimicrob 2020; 19:36. [PMID: 32807201 PMCID: PMC7430002 DOI: 10.1186/s12941-020-00380-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 08/11/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Raoultella are Gram-negative rod-shaped aerobic bacteria which grow in water and soil. They mostly cause nosocomial infections associated with surgical procedures. This case study is the first report of a Raoultella infection in Africa. Case presentation We report a case of a surgical site infection (SSI) caused by Raoultella planticola which developed after caesarean section (CS) and surgery for secondary small bowel obstruction. The patient became febrile with neutrophilia (19,157/µL) 4 days after laparotomy and started to develop clinical signs of a SSI on the 8th day after laparotomy. The patient continued to be febrile and became critically ill despite empirical treatment with ceftriaxone and vancomycin. Raoultella species with extended antimicrobial resistance (AMR) carrying the CTX-M-9 β-lactamase was isolated from the wound discharge. Considering the antimicrobial susceptibility test, ceftriaxone was replaced by ceftazidime. The patient recovered and could be discharged on day 29 after CS. CONCLUSIONS Raoultella planticola was isolated from an infected surgical site after repeated abdominal surgery. Due to the infection the patient's stay in the hospital was prolonged for a total of 4 weeks. It is noted that patients undergoing surgical and prolonged inpatient treatment are at risk for infections caused by Raoultella. The development of a SSI caused by Raoultella planticola with extended AMR has to be assumed to be a consequence of ineffective antibiotic utilization. The presented case advices that rare bacteria as Raoultella should be considered as potential cause of nosocomial SSI with challenging treatment due to high levels of AMR.
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Affiliation(s)
- Tafese Beyene Tufa
- Asella Teaching and Referral Hospital, College of Health Sciences, Arsi University, P.O. Box 04, Asella, Ethiopia. .,Hirsch Institute of Tropical Medicine, P.O. Box 04, Asella, Ethiopia. .,Department of Gastroenterology, Hepatology and Infectious Diseases, Düsseldorf University Hospital Center, Moorenstr. 5, 40225, Düsseldorf, Germany.
| | - Andre Fuchs
- Hirsch Institute of Tropical Medicine, P.O. Box 04, Asella, Ethiopia.,Department of Gastroenterology, Hepatology and Infectious Diseases, Düsseldorf University Hospital Center, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Torsten Feldt
- Hirsch Institute of Tropical Medicine, P.O. Box 04, Asella, Ethiopia.,Department of Gastroenterology, Hepatology and Infectious Diseases, Düsseldorf University Hospital Center, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Desalegn Tadesse Galata
- Asella Teaching and Referral Hospital, College of Health Sciences, Arsi University, P.O. Box 04, Asella, Ethiopia
| | - Colin R Mackenzie
- Institute of Medical Microbiology and Hospital Hygiene, Düsseldorf University Hospital Centre, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Klaus Pfeffer
- Institute of Medical Microbiology and Hospital Hygiene, Düsseldorf University Hospital Centre, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Dieter Häussinger
- Hirsch Institute of Tropical Medicine, P.O. Box 04, Asella, Ethiopia.,Department of Gastroenterology, Hepatology and Infectious Diseases, Düsseldorf University Hospital Center, Moorenstr. 5, 40225, Düsseldorf, Germany
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10
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Manohar P, Loh B, Athira S, Nachimuthu R, Hua X, Welburn SC, Leptihn S. Secondary Bacterial Infections During Pulmonary Viral Disease: Phage Therapeutics as Alternatives to Antibiotics? Front Microbiol 2020; 11:1434. [PMID: 32733404 PMCID: PMC7358648 DOI: 10.3389/fmicb.2020.01434] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 06/03/2020] [Indexed: 12/25/2022] Open
Abstract
Secondary bacterial infections manifest during or after a viral infection(s) and can lead to negative outcomes and sometimes fatal clinical complications. Research and development of clinical interventions is largely focused on the primary pathogen, with research on any secondary infection(s) being neglected. Here we highlight the impact of secondary bacterial infections and in particular those caused by antibiotic-resistant strains, on disease outcomes. We describe possible non-antibiotic treatment options, when small molecule drugs have no effect on the bacterial pathogen and explore the potential of phage therapy and phage-derived therapeutic proteins and strategies in treating secondary bacterial infections, including their application in combination with chemical antibiotics.
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Affiliation(s)
- Prasanth Manohar
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, China.,The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Belinda Loh
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, China
| | - Sudarsanan Athira
- Antibiotic Resistance and Phage Therapy Laboratory, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Ramesh Nachimuthu
- Antibiotic Resistance and Phage Therapy Laboratory, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Xiaoting Hua
- Department of Infectious Diseases, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou, China
| | - Susan C Welburn
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, China.,Infection Medicine, Biomedical Sciences, Edinburgh Medical School, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, United Kingdom
| | - Sebastian Leptihn
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, China.,Department of Infectious Diseases, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Infection Medicine, Biomedical Sciences, Edinburgh Medical School, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, United Kingdom
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11
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Kim IK, Lee JG. Antibiotic duration can be shortened in postoperative intra-abdominal infection. J Thorac Dis 2018; 10:S3182-S3183. [PMID: 30370107 DOI: 10.21037/jtd.2018.07.93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Im-Kyung Kim
- Department of Surgery, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Jae Gil Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul 03722, Korea
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12
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Guilbart M, Zogheib E, Ntouba A, Rebibo L, Régimbeau JM, Mahjoub Y, Dupont H. Compliance with an empirical antimicrobial protocol improves the outcome of complicated intra-abdominal infections: a prospective observational study. Br J Anaesth 2018; 117:66-72. [PMID: 27317705 DOI: 10.1093/bja/aew117] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2016] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Despite improvements in medical and surgical care, mortality attributed to complicated intra-abdominal infections (cIAI) remains high. Appropriate initial antimicrobial therapy (ABT) is key to successful management. The main causes of non-compliance with empirical protocols have not been clearly described. METHODS An empirical ABT protocol was designed according to guidelines, validated in the institution and widely disseminated. All patients with cIAI (2009-2011) were then prospectively studied to evaluate compliance with this protocol and its impact on outcome. Patients were classified into two groups according to whether or not they received ABT in compliance with the protocol. RESULTS 310 patients were included: 223 (71.9%) with community-acquired and 87 (28.1%) with healthcare-associated cIAI [mean age 60(17-97) yr, mean SAPS II score 24(16)]. Empirical ABT complied with the protocol in 52.3% of patients. The appropriateness of empirical ABT to target the bacteria isolated was 80%. Independent factors associated with non-compliance with the protocol were the anaesthetist's age ≥36 yr [OR 2.1; 95%CI (1.3-3.4)] and the presence of risk factors for multidrug-resistant bacteria (MDRB) [OR 5.4; 95%CI (3.0-9.5)]. Non-compliance with the protocol was associated with higher mortality (14.9 vs 5.6%, P=0.011) and morbidity: relaparotomy (P=0.047), haemodynamic failure (P=0.001), postoperative pneumonia (P=0.025), longer duration of mechanical ventilation (P<0.001), longer ICU stay (P<0.001) and longer hospital stay (P=0.002). On multivariate logistic regression analysis, non-compliance with the ABT protocol was independently associated with mortality [OR 2.4; 95% CI (1.1-5.7), P=0.04]. CONCLUSIONS Non-compliance with empirical ABT guidelines in cIAI is associated with increased morbidity and mortality. Information campaigns should target older anaesthetists and risk factors for MDRB.
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Affiliation(s)
- M Guilbart
- Department of Anaesthesiology and Critical Medicine
| | - E Zogheib
- Department of Anaesthesiology and Critical Medicine INSERM UMR 1088, Jules Verne University Picardy, Amiens, France
| | - A Ntouba
- Department of Anaesthesiology and Critical Medicine
| | - L Rebibo
- Department of Digestive and Metabolic Surgery, Amiens University Hospital, Amiens, France
| | - J M Régimbeau
- Department of Digestive and Metabolic Surgery, Amiens University Hospital, Amiens, France
| | - Y Mahjoub
- Department of Anaesthesiology and Critical Medicine INSERM UMR 1088, Jules Verne University Picardy, Amiens, France
| | - H Dupont
- Department of Anaesthesiology and Critical Medicine INSERM UMR 1088, Jules Verne University Picardy, Amiens, France
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13
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Abstract
Secondary peritonitis accounts for 1% of urgent or emergent hospital admissions and is the second leading cause of sepsis in patients in intensive care units globally. Overall mortality is 6%, but mortality rises to 35% in patients who develop severe sepsis. Despite the dramatic growth in the availability and use of imaging and laboratory tests, the rapid diagnosis and early management of peritonitis remains a challenge for physicians in emergency medicine, surgery, and critical care. In this article, we review the pathophysiology of peritonitis and its potential progression to sepsis, discuss the utility and limitations of the physical examination and laboratory and radiographic tests, and present a paradigm for the management of secondary peritonitis.
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Affiliation(s)
- James T Ross
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Michael A Matthay
- Departments of Medicine and Anesthesia, Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Hobart W Harris
- Department of Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
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Montravers P, Tubach F, Lescot T, Veber B, Esposito-Farèse M, Seguin P, Paugam C, Lepape A, Meistelman C, Cousson J, Tesniere A, Plantefeve G, Blasco G, Asehnoune K, Jaber S, Lasocki S, Dupont H. Short-course antibiotic therapy for critically ill patients treated for postoperative intra-abdominal infection: the DURAPOP randomised clinical trial. Intensive Care Med 2018; 44:300-310. [PMID: 29484469 DOI: 10.1007/s00134-018-5088-x] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 02/05/2018] [Indexed: 12/21/2022]
Abstract
PURPOSE Shortening the duration of antibiotic therapy (ABT) is a key measure in antimicrobial stewardship. The optimal duration of ABT for treatment of postoperative intra-abdominal infections (PIAI) in critically ill patients is unknown. METHODS A multicentre prospective randomised trial conducted in 21 French intensive care units (ICU) between May 2011 and February 2015 compared the efficacy and safety of 8-day versus 15-day antibiotic therapy in critically ill patients with PIAI. Among 410 eligible patients (adequate source control and ABT on day 0), 249 patients were randomly assigned on day 8 to either stop ABT immediately (n = 126) or to continue ABT until day 15 (n = 123). The primary endpoint was the number of antibiotic-free days between randomisation (day 8) and day 28. Secondary outcomes were death, ICU and hospital length of stay, emergence of multidrug-resistant (MDR) bacteria and reoperation rate, with 45-day follow-up. RESULTS Patients treated for 8 days had a higher median number of antibiotic-free days than those treated for 15 days (15 [6-20] vs 12 [6-13] days, respectively; P < 0.0001) (Wilcoxon rank difference 4.99 days [95% CI 2.99-6.00; P < 0.0001). Equivalence was established in terms of 45-day mortality (rate difference 0.038, 95% CI - 0.013 to 0.061). Treatments did not differ in terms of ICU and hospital length of stay, emergence of MDR bacteria or reoperation rate, while subsequent drainages between day 8 and day 45 were observed following short-course ABT (P = 0.041). CONCLUSION Short-course antibiotic therapy in critically ill ICU patients with PIAI reduces antibiotic exposure. Continuation of treatment until day 15 is not associated with any clinical benefit. CLINICALTRIALS. GOV IDENTIFIER NCT01311765.
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Affiliation(s)
- Philippe Montravers
- Anaesthesiology and Critical Care Medicine, Bichat-Claude Bernard University Hospital, HUPNSV, AP-HP, INSERM, UMR 1152, Paris Diderot Sorbonne Cite University, Paris, France.
- Département d'Anesthésie-Réanimation, CHU Bichat Claude Bernard, 48 rue Henri Huchard, 75018, Paris, France.
| | - Florence Tubach
- Département de Biostatistique, Santé Publique et Information Médicale (BIOSPIM), Hôpital Pitié-Salpêtrière, AP-HP, INSERM, UMR 1123, ECEVE, CIC-EC 1425, Sorbonne Universités, UPMC Univ Paris 06, 75013, Paris, France
| | - Thomas Lescot
- Department of Anaesthesiology and Critical Care Medicine, St Antoine Hospital, APHP, Sorbonne Universites, UPMC Univ Paris 06, Paris, France
| | - Benoit Veber
- Pole Anesthésie-Réanimation-SAMU, Rouen University Hospital, Rouen, France
| | - Marina Esposito-Farèse
- INSERM CIC-EC 1425, Unité de Recherche Clinique, HUPNVS, CHU Bichat-Claude Bernard, APHP, Paris, France
| | - Philippe Seguin
- Department of Anaesthesiology and Surgical Intensive Care Medicine, CHU Rennes, Rennes, France
| | - Catherine Paugam
- Department of Anaesthesiology and Surgical Intensive Care Medicine, CHU Beaujon, Clichy, Paris Diderot Sorbonne Cite University, Paris, France
| | - Alain Lepape
- Intensive Care Unit, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, Pierre Bénite, France
| | | | - Joel Cousson
- Pôle Anesthésie-Réanimation, CHU Reims, Reims, France
| | - Antoine Tesniere
- Surgical Intensive Care Unit, CHU Cochin, Paris Descartes University, Paris, France
| | | | - Gilles Blasco
- Service d'Anesthésie Réanimation Chirurgicale, CHU Besancon, Besançon, France
| | - Karim Asehnoune
- Service d'Anesthésie et Réanimation Chirurgicale, Hotel Dieu, CHU Nantes, Nantes, France
| | - Samir Jaber
- Service d'Anesthésie Réanimation, Hopital St Eloi, CHU Montpellier, Montpellier, France
| | - Sigismond Lasocki
- Département d'Anesthésie Réanimation, CHU Angers, L'UBL, Université d'Angers, Angers, France
| | - Herve Dupont
- Critical Care Medicine Department, Amiens University Hospital, INSERM U1088, University of Picardy Jules Verne, Amiens, France
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Labricciosa FM, Sartelli M, Abbo LM, Barbadoro P, Ansaloni L, Coccolini F, Catena F. Epidemiology and Risk Factors for Isolation of Multi-Drug-Resistant Organisms in Patients with Complicated Intra-Abdominal Infections. Surg Infect (Larchmt) 2018; 19:264-272. [PMID: 29298133 DOI: 10.1089/sur.2017.217] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Patients with complicated intra-abdominal infections (cIAIs) caused by multi-drug-resistant organisms (MDROs) have been identified as being at increased risk for adverse outcomes. Prompt identification and stratification of these patients is essential in the clinical management, allowing the physician timely optimization of empiric antimicrobial therapy while awaiting results of intra-operative cultures to streamline antibiotic treatment. METHODS The study is a secondary analysis from two prospective multi-center color surveillance studies. It included all consecutively hospitalized adult patients undergoing surgical procedures, interventional drainage, or conservative treatment with cIAIs, with positive cultures performer on intra-operative samples of peritoneal fluid or purulent exudate/discrete abscesses. Patients with pancreatitis and primary peritonitis were excluded. A case-control approach has been used to evaluate the factors associated with the isolation of a MDRO in enrolled patients. RESULTS Among 1986 patients included in the study, a total of 3534 micro-organisms were isolated from intra-peritoneal fluid samples; in 46.5% of cultures, two or more pathogens were identified. The MDROs represented 9.8% of the total of isolated micro-organisms. The overall incidence rate of MDROs was 13.9%. The MDROs were more frequently isolated in patients with health-care-associated cIAIs (25.4%). Multi-nomial logistic regression analysis of risk factors demonstrated that statistically significant risk factors independently associated with the occurrence of MDROs were previous antimicrobial therapy administered within seven days before operation, presence of severe cardiovascular disease, white blood cell count <4000/mL or >12,000/mL, cIAI acquired in a healthcare setting, and inadequate source control. CONCLUSIONS The study showed that knowledge of five easily recognizable variables-assessable on hospital admission or as soon as the surgical intervention is concluded-might guide the surgeon to identify patients with cIAIs caused by MDROs, and therefore to choose the most adequate empiric antimicrobial therapy for them.
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Affiliation(s)
- Francesco M Labricciosa
- 1 Department of Biomedical Science and Public Health, School of Hygiene and Preventive Medicine , Faculty of Medicine and Surgery, Università Politecnica delle Marche, Ancona, Italy
| | | | - Lilian M Abbo
- 3 Infection Prevention & Antimicrobial Stewardship Jackson Health System, University of Miami Miller School of Medicine , Miami, Florida
| | - Pamela Barbadoro
- 1 Department of Biomedical Science and Public Health, School of Hygiene and Preventive Medicine , Faculty of Medicine and Surgery, Università Politecnica delle Marche, Ancona, Italy
| | - Luca Ansaloni
- 4 General Surgery Department, Papa Giovanni XXIII Hospital , Bergamo, Italy
| | - Federico Coccolini
- 4 General Surgery Department, Papa Giovanni XXIII Hospital , Bergamo, Italy
| | - Fausto Catena
- 5 Department of Emergency Surgery, Maggiore Hospital , Parma, Italy
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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: 331] [Impact Index Per Article: 47.3] [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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Montravers P, Lortat-Jacob B, Snauwaert A, BenRehouma M, Guivarch E, Ribeiro-Parenti L. Quoi de neuf dans la prise en charge des péritonites postopératoires. MEDECINE INTENSIVE REANIMATION 2016. [DOI: 10.1007/s13546-016-1174-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sader HS, Castanheira M, Flamm RK, Huband MD, Jones RN. Ceftazidime-Avibactam Activity against Aerobic Gram Negative Organisms Isolated from Intra-Abdominal Infections in United States Hospitals, 2012-2014. Surg Infect (Larchmt) 2016; 17:473-8. [PMID: 27104633 DOI: 10.1089/sur.2016.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Ceftazidime-avibactam is ceftazidime combined with the novel non-β-lactam β-lactamase inhibitor avibactam, which inhibits Ambler class A (e.g., extended-spectrum β-lactamase [ESBL] and KPC), class C, and some class D enzymes. We evaluated the activity of ceftazidime-avibactam against aerobic gram negative bacteria causing intra-abdominal infections (IAI). METHODS A total of 1,540 isolates were collected, one each from patient, with IAI in 57 United States hospitals in 2012-2014. Susceptibility testing was performed by reference broth microdilution methods, and Enterobacteriaceae isolates with an ESBL phenotype were evaluated by a microarray-based assay for the presence of genes encoding the CTX-M, TEM, SHV, KPC, NDM, and transferable AmpC enzymes. RESULTS All Escherichia coli isolates were susceptible to ceftazidime-avibactam, whereas the susceptibility rates for meropenem, piperacillin-tazobactam, and gentamicin were 99.8%, 93.6%, and 85.5%, respectively. Among Klebsiella pneumoniae isolates, the highest ceftazidime-avibactam minimum inhibitory concentration (MIC) value was only 2 mcg/mL (MIC50/90 0.12/0.25 mcg/mL; 100% susceptible), whereas susceptibility rates to meropenem and gentamicin were 94.5% and 91.9%, respectively. The ESBL-phenotype rates among E. coli and K. pneumoniae were 15.8% and 13.3%, respectively. Overall, only one Enterobacteriaceae isolate (Enterobacter cloacae) was not susceptible to ceftazidime-avibactam and had negative results for all β-lactamases tested. Against Pseudomonas aeruginosa, ceftazidime-avibactam (MIC50/90 2/4 mcg/mL; 97.1% susceptible) and amikacin (MIC50/90 2/8 mcg/mL; 99.0% susceptible) were the most active compounds, and ceftazidime-avibactam retained activity against many meropenem-non-susceptible (88.6% susceptible) and piperacillin-tazobactam-non-susceptible (82.9% susceptible) strains. CONCLUSION Ceftazidime-avibactam coverage (98.7% inhibited at ≤8 mcg/mL) of intra-abdominal infection pathogens was greater than that observed for meropenem (95.7% susceptible) and piperacillin-tazobactam (88.4% susceptible).
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Montravers P, Blot S, Dimopoulos G, Eckmann C, Eggimann P, Guirao X, Paiva JA, Sganga G, De Waele J. Therapeutic management of peritonitis: a comprehensive guide for intensivists. Intensive Care Med 2016; 42:1234-47. [PMID: 26984317 DOI: 10.1007/s00134-016-4307-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 03/04/2016] [Indexed: 12/29/2022]
Abstract
PURPOSE The management of peritonitis in critically ill patients is becoming increasingly complex due to their changing characteristics and the growing prevalence of multidrug-resistant (MDR) bacteria. METHODS A multidisciplinary panel summarizes the latest advances in the therapeutic management of these critically ill patients. RESULTS Appendicitis, cholecystitis and bowel perforation represent the majority of all community-acquired infections, while most cases of healthcare-associated infections occur following suture leaks and/or bowel perforation. The micro-organisms involved include a spectrum of Gram-positive and Gram-negative bacteria, as well as anaerobes and fungi. Healthcare-associated infections are associated with an increased likelihood of MDR pathogens. The key elements for success are early and optimal source control and adequate surgery and appropriate antibiotic therapy. Drainage, debridement, abdominal cleansing, irrigation, and control of the source of contamination are the major steps to ensure source control. In life-threatening situations, a "damage control" approach is the safest way to gain time and achieve stability. The initial empirical antiinfective therapy should be prescribed rapidly and must target all of the micro-organisms likely to be involved, including MDR bacteria and fungi, on the basis of the suspected risk factors. Dosage adjustment needs to be based on pharmacokinetic parameters. Supportive care includes pain management, optimization of ventilation, haemodynamic and fluid monitoring, improvement of renal function, nutrition and anticoagulation. CONCLUSIONS The majority of patients with peritonitis develop complications, including worsening of pre-existing organ dysfunction, surgical complications and healthcare-associated infections. The probability of postoperative complications must be taken into account in the decision-making process prior to surgery.
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Affiliation(s)
- P Montravers
- APHP, CHU Bichat-Claude Bernard, Département d'Anesthésie Réanimation, Université Denis Diderot, PRESS Sorbonne Cité, Paris, France.
| | - S Blot
- Department of Internal Medicine, Ghent University, Ghent, Belgium
- Burns, Trauma and Critical Care Research Centre, The University of Queensland, Brisbane, Australia
| | - G Dimopoulos
- Department of Critical Care, University Hospital Attikon, Medical School, University of Athens, Athens, Greece
| | - C Eckmann
- Department of General, Visceral and Thoracic Surgery, Klinikum Peine, Peine, Germany
| | - P Eggimann
- Department of Intensive Care Medicine and Burn Center, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - X Guirao
- Department of Endocrine and Head and Neck Surgery, Corporació Sanitaria del Parc Tauli, University Hospital, Sabadell, Barcelona, Spain
| | - J A Paiva
- Emergency and Intensive Care Department, Centro Hospitalar S. João EPE, Porto, Portugal
- Department of Medicine, Faculty of Medicine, University of Porto, Porto, Portugal
| | - G Sganga
- Department of Surgery, Catholic University of Sacred Heart, Policlinico A Gemelli, Rome, Italy
| | - J De Waele
- Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
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Montravers P, Dupont H, Leone M, Constantin JM, Mertes PM, Laterre PF, Misset B, Bru JP, Gauzit R, Sotto A, Brigand C, Hamy A, Tuech JJ. Guidelines for management of intra-abdominal infections. Anaesth Crit Care Pain Med 2015; 34:117-30. [PMID: 25922057 DOI: 10.1016/j.accpm.2015.03.005] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Intra-abdominal infections are one of the most common gastrointestinal emergencies and a leading cause of septic shock. A consensus conference on the management of community-acquired peritonitis was published in 2000. A new consensus as well as new guidelines for less common situations such as peritonitis in paediatrics and healthcare-associated infections had become necessary. The objectives of these Clinical Practice Guidelines (CPGs) were therefore to define the medical and surgical management of community-acquired intra-abdominal infections, define the specificities of intra-abdominal infections in children and describe the management of healthcare-associated infections. The literature review was divided into six main themes: diagnostic approach, infection source control, microbiological data, paediatric specificities, medical treatment of peritonitis, and management of complications. The GRADE(®) methodology was applied to determine the level of evidence and the strength of recommendations. After summarising the work of the experts and application of the GRADE(®) method, 62 recommendations were formally defined by the organisation committee. Recommendations were then submitted to and amended by a review committee. After 2 rounds of Delphi scoring and various amendments, a strong agreement was obtained for 44 (100%) recommendations. The CPGs for peritonitis are therefore based on a consensus between the various disciplines involved in the management of these patients concerning a number of themes such as: diagnostic strategy and the place of imaging; time to management; the place of microbiological specimens; targets of empirical anti-infective therapy; duration of anti-infective therapy. The CPGs also specified the value and the place of certain practices such as: the place of laparoscopy; the indications for image-guided percutaneous drainage; indications for the treatment of enterococci and fungi. The CPGs also confirmed the futility of certain practices such as: the use of diagnostic biomarkers; systematic relaparotomies; prolonged anti-infective therapy, especially in children.
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Affiliation(s)
- Philippe Montravers
- Département d'anesthésie-réanimation, CHU Bichat-Claude-Bernard, AP-HP, université Paris VII Sorbonne Cité, 46, rue Henri-Huchard, 75018 Paris, France.
| | - Hervé Dupont
- Pôle anesthésie-réanimation, CHU d'Amiens, 80054 Amiens, France
| | - Marc Leone
- Département d'anesthésie-réanimation, CHU Nord, 13915 Marseille, France
| | | | - Paul-Michel Mertes
- Service d'anesthésie-réanimation, CHU de Strasbourg, Nouvel Hopital Civil, BP 426, 67091 Strasbourg, France
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Lee DS, Ryu JA, Chung CR, Yang J, Jeon K, Suh GY, Lee WY, Park CM. Risk factors for acquisition of multidrug-resistant bacteria in patients with anastomotic leakage after colorectal cancer surgery. Int J Colorectal Dis 2015; 30:497-504. [PMID: 25735927 DOI: 10.1007/s00384-015-2161-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/09/2015] [Indexed: 02/04/2023]
Abstract
PURPOSE The risk factors for acquiring an infection with multidrug-resistant (MDR) bacteria in patients with anastomotic leakage after colorectal cancer surgery are poorly understood. We evaluated the risk factors associated with the initial acquisition of MDR pathogens in patients with anastomotic leakage after colorectal cancer surgery. METHODS This study was a retrospective review of prospectively collected data at a university affiliated-tertiary referral hospital in South Korea. From January 2009 to April 2013, a total of 6767 consecutive patients with colorectal cancer who underwent surgery were registered. Of these patients, 190 (2.8%) were diagnosed with anastomotic leakage. Finally, 143 (2.1%) patients with culture test results were included in this study. RESULTS Of the 143 enrolled patients, 46 (32.2%) were classified in the MDR group. The use of antibiotics for more than 5 days before diagnosis of anastomosis site leakage (p = 0.016) and diabetes mellitus (p = 0.028) was identified as independent risk factors for MDR acquisition by multivariate analysis. The rate of adequate initial empirical antibiotic therapy in the MDR group was lower than in the non-MDR group (35 vs. 75%, p < 0.001). Furthermore, the duration of antibiotic administration after the leak was longer in the MDR group (p = 0.013). Patients in the MDR group also had a longer hospital stay (p = 0.012). CONCLUSIONS The length of antibiotic administration before the diagnosis of anastomotic leakage and diabetes mellitus were risk factors associated with the acquisition of MDR bacteria in patients with anastomotic leakage after colorectal cancer surgery.
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Affiliation(s)
- Dae-Sang Lee
- Department of Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 135-710, Republic of Korea
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Montravers P, Dufour G, Guglielminotti J, Desmard M, Muller C, Houissa H, Allou N, Marmuse JP, Augustin P. Dynamic changes of microbial flora and therapeutic consequences in persistent peritonitis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2015; 19:70. [PMID: 25887649 PMCID: PMC4354758 DOI: 10.1186/s13054-015-0789-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Accepted: 02/04/2015] [Indexed: 12/20/2022]
Abstract
Introduction Persistent peritonitis is a frequent complication of secondary peritonitis requiring additional reoperations and antibiotic therapy. This situation raises specific concerns due to microbiological changes in peritoneal samples, especially the emergence of multidrug-resistant (MDR) strains. Although this complication has been extensively studied, the rate and dynamics of MDR strains have rarely been analysed. Methods We compared the clinical, microbiological and therapeutic data of consecutive ICU patients admitted for postoperative peritonitis either without subsequent reoperation (n = 122) or who underwent repeated surgery for persistent peritonitis with positive peritoneal fluid cultures (n = 98). Data collected on index surgery for the treatment of postoperative peritonitis were compared between these two groups. In the patients with persistent peritonitis, the data obtained at the first, second and third reoperations were compared with those of index surgery. Risk factors for emergence of MDR strains were assessed. Results At the time of index surgery, no parameters were able to differentiate patients with or without persistent peritonitis except for increased severity and high proportions of fungal isolates in the persistent peritonitis group. The mean time to reoperation was similar from the first to the third reoperation (range: 5 to 6 days). Septic shock was the main clinical expression of persistent peritonitis. A progressive shift of peritoneal flora was observed with the number of reoperations, comprising extinction of susceptible strains and emergence of 85 MDR strains. The proportion of patients harbouring MDR strains increased from 41% at index surgery, to 49% at the first, 54% at the second (P = 0.037) and 76% at the third reoperation (P = 0.003 versus index surgery). In multivariate analysis, the only risk factor for emergence of MDR strains was time to reoperation (OR 1.19 per day, 95%CI (1.08 to 1.33), P = 0.0006). Conclusions Initial severity, presence of Candida in surgical samples and inadequate source control are the major risk factors for persistent peritonitis. Emergence of MDR bacteria is frequent and increases progressively with the number of reoperations. No link was demonstrated between emergence of MDR strains and antibiotic regimens, while source control and its timing appeared to be major determinants of emergence of MDR strains.
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Affiliation(s)
- Philippe Montravers
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Guillaume Dufour
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Jean Guglielminotti
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Mathieu Desmard
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Claudette Muller
- Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, Laboratoire de Microbiologie, Paris, France.
| | - Hamda Houissa
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Nicolas Allou
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
| | - Jean-Pierre Marmuse
- Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, Service de Chirurgie Générale, Paris, France.
| | - Pascal Augustin
- Département d'Anesthésie Réanimation, Université Paris Diderot, APHP, CHU Bichat-Claude Bernard, 46, Rue Henri Huchard, Paris, 75018, France.
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De Waele J, De Bus L. How to treat infections in a surgical intensive care unit. BMC Infect Dis 2014; 14:193. [PMID: 25430804 PMCID: PMC4289346 DOI: 10.1186/1471-2334-14-193] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 04/10/2014] [Indexed: 12/23/2022] Open
Abstract
The management of infections in surgical intensive care unit patients poses specific challenges. Although the overall approach to the patient is no different from other patients, diagnosis is often problematic. As in other infections, multidrug resistance is increasingly described, and changes in pharmacokinetics may require different dosing strategies. Also the need for source control adds a level of complexity to the management of the patient. Whereas source control was a purely surgical issue before, percutaneous drainage has emerged as an important alternative. Appropriate timing of source control often remains difficult to determine, but in most severe infections source control should not be delayed. But also the need for a multidisciplinary approach can make the decision making difficult. New concepts such as dedicated source control teams may further assist in selecting the most appropriate treatment strategy and further improve outcome of surgical severe sepsis patients.
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Affiliation(s)
- Jan De Waele
- Department of Critical Care Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Gent, Belgium.
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De Waele J, Lipman J, Sakr Y, Marshall JC, Vanhems P, Barrera Groba C, Leone M, Vincent JL. Abdominal infections in the intensive care unit: characteristics, treatment and determinants of outcome. BMC Infect Dis 2014; 14:420. [PMID: 25074742 PMCID: PMC4122779 DOI: 10.1186/1471-2334-14-420] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Accepted: 06/18/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Abdominal infections are frequent causes of sepsis and septic shock in the intensive care unit (ICU) and are associated with adverse outcomes. We analyzed the characteristics, treatments and outcome of ICU patients with abdominal infections using data extracted from a one-day point prevalence study, the Extended Prevalence of Infection in the ICU (EPIC) II. METHODS EPIC II included 13,796 adult patients from 1,265 ICUs in 75 countries. Infection was defined using the International Sepsis Forum criteria. Microbiological analyses were performed locally. Participating ICUs provided patient follow-up until hospital discharge or for 60 days. RESULTS Of the 7,087 infected patients, 1,392 (19.6%) had an abdominal infection on the study day (60% male, mean age 62 ± 16 years, SAPS II score 39 ± 16, SOFA score 7.6 ± 4.6). Microbiological cultures were positive in 931 (67%) patients, most commonly Gram-negative bacteria (48.0%). Antibiotics were administered to 1366 (98.1%) patients. Patients who had been in the ICU for ≤ 2 days prior to the study day had more Escherichia coli, methicillin-sensitive Staphylococcus aureus and anaerobic isolates, and fewer enterococci than patients who had been in the ICU longer. ICU and hospital mortality rates were 29.4% and 36.3%, respectively. ICU mortality was higher in patients with abdominal infections than in those with other infections (29.4% vs. 24.4%, p < 0.001). In multivariable analysis, hematological malignancy, mechanical ventilation, cirrhosis, need for renal replacement therapy and SAPS II score were independently associated with increased mortality. CONCLUSIONS The characteristics, microbiology and antibiotic treatment of abdominal infections in critically ill patients are diverse. Mortality in patients with isolated abdominal infections was higher than in those who had other infections.
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Affiliation(s)
- Jan De Waele
- Department of Critical Care Medicine, Ghent University Hospital, De Pintelaan 185, 9000 Gent, Belgium.
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Skrupky LP, Tellor BR, Mazuski JE. Current strategies for the treatment of complicated intraabdominal infections. Expert Opin Pharmacother 2013; 14:1933-47. [DOI: 10.1517/14656566.2013.821109] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Augustin P, Tran-Dinh A, Valin N, Desmard M, Crevecoeur MA, Muller-Serieys C, Woerther PL, Marmuse JP, Bronchard R, Montravers P. Pseudomonas aeruginosa Post-Operative Peritonitis: Clinical Features, Risk Factors, and Prognosis. Surg Infect (Larchmt) 2013; 14:297-303. [DOI: 10.1089/sur.2012.084] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Pascal Augustin
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Alexy Tran-Dinh
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Nadia Valin
- Department of Infectious Diseases, APHP, Hôpital Saint-Antoine, Université Paris VI, Pierre et Marie Curie, Paris
| | - Mathieu Desmard
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Marie Adeline Crevecoeur
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Claudette Muller-Serieys
- Department of Microbiology, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Paul-Louis Woerther
- Department of Microbiology, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Jean-Pierre Marmuse
- Department of General Surgery, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Regis Bronchard
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
| | - Philippe Montravers
- Department of Anesthesiology and Intensive Care, University of Paris Diderot, Sorbonne Paris Cité and APHP, Hôpital Bichat-Claude Bernard, Paris, France
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Sartelli M, Viale P, Catena F, Ansaloni L, Moore E, Malangoni M, Moore FA, Velmahos G, Coimbra R, Ivatury R, Peitzman A, Koike K, Leppaniemi A, Biffl W, Burlew CC, Balogh ZJ, Boffard K, Bendinelli C, Gupta S, Kluger Y, Agresta F, Di Saverio S, Wani I, Escalona A, Ordonez C, Fraga GP, Junior GAP, Bala M, Cui Y, Marwah S, Sakakushev B, Kong V, Naidoo N, Ahmed A, Abbas A, Guercioni G, Vettoretto N, Díaz-Nieto R, Gerych I, Tranà C, Faro MP, Yuan KC, Kok KYY, Mefire AC, Lee JG, Hong SK, Ghnnam W, Siribumrungwong B, Sato N, Murata K, Irahara T, Coccolini F, Lohse HAS, Verni A, Shoko T. 2013 WSES guidelines for management of intra-abdominal infections. World J Emerg Surg 2013; 8:3. [PMID: 23294512 PMCID: PMC3545734 DOI: 10.1186/1749-7922-8-3] [Citation(s) in RCA: 165] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2012] [Accepted: 01/02/2013] [Indexed: 12/11/2022] Open
Abstract
Despite advances in diagnosis, surgery, and antimicrobial therapy, mortality rates associated with complicated intra-abdominal infections remain exceedingly high.The 2013 update of the World Society of Emergency Surgery (WSES) guidelines for the management of intra-abdominal infections contains evidence-based recommendations for management of patients with intra-abdominal infections.
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Affiliation(s)
| | - Pierluigi Viale
- Clinic of Infectious Diseases, Department of Internal Medicine Geriatrics and Nephrologic Diseases, St Orsola-Malpighi University Hospital, Bologna, Italy
| | - Fausto Catena
- Emergency Surgery, Maggiore Parma Hospital, Parma, Italy
| | - Luca Ansaloni
- Department of General Surgery, Ospedali Riuniti, Bergamo, Italy
| | - Ernest Moore
- Department of Surgery, Denver Health Medical Center, Denver, CO, USA
| | | | | | - George Velmahos
- Harvard Medical School, Division of Trauma, Emergency Surgery and Surgical Critical Care Massachusetts General Hospital, Boston, MA, USA
| | - Raul Coimbra
- Department of Surgery, UC San Diego Health System, San Diego, CA, USA
| | - Rao Ivatury
- Department of Surgery, Virginia Commonwealth University Medical Center, Richmond, VA, USA
| | - Andrew Peitzman
- Division of General Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kaoru Koike
- Department of Primary Care & Emergency Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Ari Leppaniemi
- Department of Abdominal Surgery, University Hospital Meilahti, Helsinki, Finland
| | - Walter Biffl
- Department of Surgery, Denver Health Medical Center, Denver, CO, USA
| | | | - Zsolt J Balogh
- Department of Surgery, University of Newcastle, Newcastle, NSW, Australia
| | - Ken Boffard
- Department of Surgery, Charlotte Maxeke Johannesburg Hospital University of the Witwatersrand, Johannesburg, South Africa
| | - Cino Bendinelli
- Department of Surgery, University of Newcastle, Newcastle, NSW, Australia
| | - Sanjay Gupta
- Department of Surgery, Govt Medical College and Hospital, Chandigarh, India
| | - Yoram Kluger
- Department of General Surgery, Rambam Health Care Campus, Haifa, Israel
| | | | | | - Imtiaz Wani
- Department of Digestive Surgery Faculty of Medicine Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alex Escalona
- Department of Surgery, Sheri-Kashmir Institute of Medical Sciences, Srinagar, India
| | - Carlos Ordonez
- Department of Surgery, Universidad del Valle, Fundacion Valle del Lili, Cali, Colombia
| | - Gustavo P Fraga
- Division of Trauma Surgery, Hospital de Clinicas - University of Campinas, Campinas, Brazil
| | | | - Miklosh Bala
- Department of General Surgery, Hadassah Medical Center, Jerusalem, Israel
| | - Yunfeng Cui
- Department of Surgery, Tianjin Nankai Hospital, Nankai Clinical School of Medicine, Tianjin Medical University, Tianjin, China
| | - Sanjay Marwah
- Department of Surgery, Pt BDS Post-graduate Institute of Medical Sciences, Rohtak, India
| | - Boris Sakakushev
- First Clinic of General Surgery, University Hospital /UMBAL/ St George Plovdiv, Plovdiv, Bulgaria
| | - Victor Kong
- Department of Surgery, Edendale Hospital, Pietermaritzburg, Republic of South Africa
| | - Noel Naidoo
- Department of Surgery, Port Shepstone Hospital, Kwazulu Natal, South Africa
| | - Adamu Ahmed
- Department of Surgery, Ahmadu Bello University Teaching Hospital Zaria, Kaduna, Nigeria
| | - Ashraf Abbas
- Department of Surgery, Mansoura University Hospital, Mansoura, Egypt
| | | | | | - Rafael Díaz-Nieto
- Department of General and Digestive Surgery, University Hospital, Malaga, Spain
| | - Ihor Gerych
- Department of General Surgery, Lviv Emergency Hospital, Lviv, Ukraine
| | | | - Mario Paulo Faro
- Division of General and Emergency Surgery, Faculdade de Medicina da Fundação do ABC, São Paulo, Santo André, Brazil
| | - Kuo-Ching Yuan
- Department of Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | | | | | - Jae Gil Lee
- Department of Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Suk-Kyung Hong
- Division of Trauma and Surgical Critical Care, Department of Surgery, University of Ulsan, Seoul, Republic of Korea
| | - Wagih Ghnnam
- Wagih Ghnnam, Department of Surgery, Khamis Mushayt General Hospital, Khamis Mushayt, Saudi Arabia
| | - Boonying Siribumrungwong
- Boonying Siribumrungwong, Department of Surgery, Thammasat University Hospital, Pathumthani, Thailand
| | - Norio Sato
- Division of General Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Kiyoshi Murata
- Department of Acute and Critical Care Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takayuki Irahara
- Department of Emergency and Critical Care Medicine, Nippon Medical School, Emergency and Critical Care Center of Nippon Medical School, Tama-Nagayama Hospital, Tokyo, Japan
| | | | | | - Alfredo Verni
- Department of Surgery, Cutral Co Clinic, Neuquen, Argentina
| | - Tomohisa Shoko
- The Shock Trauma and Emergency Medical Center, Matsudo City Hospital, Chiba, Japan
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Mouaffak Y, Boutbaoucht M, Soraa N, Chabaa L, Salama T, Oulad Saiad M, Younous S. [Bacteriology of community-acquired peritonitis in children treated in the university hospital of Marrakech]. ACTA ACUST UNITED AC 2012. [PMID: 23199846 DOI: 10.1016/j.annfar.2012.10.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION The available microbiological data on community-acquired peritonitis in children are inadequate, and antibiotic therapy is not consensual. Our work aims to study the bacteriology of peritonitis in children in our region and discuss the appropriate antibiotherapy. PATIENTS AND METHODS A descriptive study spread over one year. We collected cases of peritonitis in which a microbiological study of peritoneal fluid was performed. RESULTS Of 38 cases, the most frequently isolated bacteria is Escherichia coli (E. coli) (50%). Its sensitivity was 64% to amoxicillin-clavulanate, 93.33% to third generation cephalosporins (C3G) and 100% to ertapenem and aminozides. CONCLUSION We find a high rate of resistance of E. coli to amoxicillin-clavulanic acid. This prompts us to reconsider our therapeutic approach. We believe that the association C3G+aminoglycoside+metronidazole should be used first-line in the pediatric peritonitis in our context.
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Affiliation(s)
- Y Mouaffak
- Service d'anesthésie-réanimation pédiatrique, hôpital Mère-Enfant, CHU Mohammed VI, université Cadi Ayyad, rue Ibn Sina, Amerchich, Marrakech, Maroc
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The empirical choice of antibacterial agents in intra-abdominal infections requires consideration of a variety of factors. DRUGS & THERAPY PERSPECTIVES 2012. [DOI: 10.1007/bf03262121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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&NA;. The empirical choice of antibacterial agents in intra-abdominal infections requires consideration of a variety of factors. DRUGS & THERAPY PERSPECTIVES 2012. [DOI: 10.2165/11209780-000000000-00000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Abstract
Intra-abdominal infection (IAI) is a complex disease entity in which different aspects must be balanced in order to select the proper antimicrobial regimen and determine duration of therapy. A current classification indicates different faces of peritonitis. Primary peritonitis implies an intact gastrointestinal tract without overt barrier disruption. Secondary peritonitis refers to localized or diffuse peritoneal inflammation and abscess formation due to disruption of the anatomical barrier. Tertiary peritonitis includes cases that cannot be solved by a single or even sequential surgical intervention, often in combination with sequential courses of antimicrobial therapy. The most frequently used classification distinguishes ‘uncomplicated’ and ‘complicated’ IAI. In uncomplicated IAI, the infectious process is contained within a single organ, without anatomical disruption. In complicated IAI, disease is extended, with either localized or generalized peritonitis. However, there exists more than a single dimension of complexity in IAI, including severity of disease expression through systemic inflammation. As the currently used classifications of IAI often incite confusion by mixing elements of anatomical barrier disruption, severity of disease expression and (the likelihood of) resistance involvement, we propose an alternative for the current widely accepted classification. We suggest abandoning the terms ‘uncomplicated’ and ‘complicated’ IAI, as they merely confuse the issue. Furthermore, the term ‘tertiary peritonitis’ should likewise be discarded, as this simply refers to treatment failure of secondary peritonitis resulting in a state of persistent infection and/or inflammation. Hence, anatomical disruption and disease severity should be separated into different phenotypes for the same disease in combination with either presence or absence of risk factors for involvement of pathogens that are not routinely covered in first-line antimicrobial regimens (Pseudomonas aeruginosa, enterococci, Candida species and resistant pathogens). Generally, these risk factors can be brought back to recent exposure to antimicrobial agents and substantial length of stay in healthcare settings (5–7 days). As such, we developed a grid based on the different components of the classification: (i) anatomical disruption; (ii) severity of disease expression; and (iii) either community-acquired/early-onset healthcare-associated origin or healthcare-associated origin and/or recent antimicrobial exposure. The grid allows physicians to define the index case of IAI in a more unequivocal way and to select the most convenient empirical antimicrobial regimens. The grid advises on the necessity of covering nosocomial Gram-negative bacteria (including P. aeruginosa), enterococci and yeasts. The basis of antimicrobial therapy for IAI is that both Gram-negative and anaerobic bacteria should always be covered. In recent years, some newer agents such as doripenem, moxifloxacin and tigecycline have been added to the antimicrobial armamentarium for IAI. For patients in whom the source can be adequately controlled, antimicrobial therapy should be restricted to a short course (e.g. 3–7 days in peritonitis).
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Affiliation(s)
- Stijn Blot
- Faculty of Medicine & Health Sciences, Ghent University, Ghent, Belgium.
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García-Sánchez JE, García-García MI, García-Garrote F, Sánchez-Romero I. [Microbiological diagnosis of intra-abdominal infections]. Enferm Infecc Microbiol Clin 2012; 31:230-9. [PMID: 22409953 DOI: 10.1016/j.eimc.2012.01.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Accepted: 01/10/2012] [Indexed: 12/21/2022]
Abstract
Intra-abdominal infections represent a large and wide group of diseases which include intra- and retro-peritoneal infections. Some of them could be defined as uncomplicated, where the infectious process is limited to the organ or tissue of origin (appendicitis, diverticulitis, cholecystitis…). Complications occur when the infection spreads to the peritoneum, triggering localised peritonitis and abdominal abscesses. Most intra-abdominal infections are due to perforation or inflammation of the intestinal wall. The microorganisms that cause these infections come from the gastrointestinal flora, and therefore produce polymicrobial infections mixed with a predominance of anaerobic bacteria. Microbiological diagnosis is essential to determine the aetiology and the susceptibility of antimicrobial agents of the microorganism involved, especially in nosocomial infections or in community infections in predisposed patients due to increasing bacterial resistance to antimicrobial agents, multidrug resistance and fungal involvement. Despite the advances in microbiological diagnosis, in the case of intra-abdominal infections it still remains direct, being based on stains and cultures, the most notable progress is the introduction of mass spectrometry (MALDI-TOF) for the rapid identification of the pathogens involved. This review will provide recommendations on the collection, transport and microbiological processing of clinical specimens. Comments on the pathogenesis, clinical and microbiological diagnosis of peritonitis primary, secondary, tertiary and peritonitis (and other infections) associated with peritoneal dialysis, intra-abdominal abscesses (intraperitoneal, retroperitoneal and visceral), biliary tract infections, appendicitis and diverticulitis are also presented.
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Are enterococci playing a role in postoperative peritonitis in critically ill patients? Eur J Clin Microbiol Infect Dis 2011; 31:1479-85. [PMID: 22076551 DOI: 10.1007/s10096-011-1467-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2011] [Accepted: 10/13/2011] [Indexed: 12/26/2022]
Abstract
This prospective non-interventional study is aimed at evaluating the role of enterococci in the postoperative course of postoperative peritonitis (POP) and the predictive factors for isolating Enterococcus spp. All adult patients, hospitalized in intensive care, who had POP between September 2006 and February 2010 were analysed. The patients' baseline clinical characteristics and microbiological and surgical characteristics of the first episode of POP were recorded. The rates of surgical and non-surgical complications and mortality were studied. A total of 139 patients were analysed and Enterococcus spp. were recovered in 61 patients (43%). The presence of enterococci was associated with significantly more intra-abdominal abscesses (26% vs 12%, p=0.025), but did not affect the rate of reoperation or mortality. Antibiotic use before reoperation was the only independent predictive factor for isolating enterococci (OR=2.19, CI95%: 1.02-4.70, p<0.043). Although mortality was not affected by the presence of Enterococcus spp., a higher rate of intra-abdominal abscess was found, suggesting that enterococci play a significant role in postoperative peritonitis, but the need to treat them remains to be determined. Previous antibiotic use before reoperation was a key factor in predicting the subsequent recovery of enterococci.
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Abstract
BACKGROUND microbiologic data are lacking regarding pediatric community-acquired peritonitis (CAP). METHODS we conducted a 2-year retrospective single center study. Consecutive children undergoing CAP surgery were included. Microbiology and antimicrobial susceptibility of peritoneal isolates were analyzed. RESULTS a total of 70 children from 3 months to 14 years of age were included. A total of 123 bacterial isolates were analyzed. Escherichia coli was the predominant aerobic organism (51% of isolates); 54.8% were susceptible to amoxicillin whereas 90.3% were susceptible to amoxicillin-clavulanate. Anaerobes accounted for 29% of isolates, and 94.3% of strains were susceptible to amoxicillin-clavulanate and 68.5% were susceptible to clindamycin. Pseudomonas aeruginosa was present in 6% of isolates and in 10% of children. The presence of E. coli resistant to amoxicillin or to amoxicillin-clavulanate was the only independent risk factor associated with postoperative peritonitis. CONCLUSION microbiology of pediatric CAP is similar to adult CAP with a predominancy of E. coli and anaerobes. P. aeruginosa in peritoneal samples had no apparent influence on the outcome.
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Herzog T, Chromik AM, Uhl W. Treatment of complicated intra-abdominal infections in the era of multi-drug resistant bacteria. Eur J Med Res 2011; 15:525-32. [PMID: 21163727 PMCID: PMC3352101 DOI: 10.1186/2047-783x-15-12-525] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The management of severe intra-abdominal infections remains a major challenge facing surgeons and intensive care physicians, because of its association with high morbidity and mortality. Surgical management and intensive care medicine have constantly improved, but in the recent years a rapidly continuing emergence of resistant pathogens led to treatment failure secondary to infections with multi-drug resistant bacteria. In secondary peritonitis the rate of resistant germs at the initial operation is already 30%. The lack of effective antibiotics against these pathogens resulted in the development of new broad-spectrum compounds and antibiotics directed against resistant germs. But so far no "super-drug" with efficacy against all resistant bacteria exists. Even more, soon after their approval, reports on resistance against these novel drugs have been reported, or the drugs were withdrawn from the market due to severe side effects. Since pharmaceutical companies reduced their investigations on antibiotic research, only few new antimicrobial derivates are available. In abdominal surgery you may be in fear that in the future more and more patients with tertiary peritonitis secondary to multi-drug resistant species are seen with an increase of mortality after secondary peritonitis. This article reviews the current treatment modalities for complicated intra-abdominal infections with special reference to the antibiotic treatment of complicated intra-abdominal infections with multi-drug resistant species.
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Affiliation(s)
- T Herzog
- Department of Surgery, St. Josef Hospital Bochum, Hospital of the Ruhr-University, Gudrunstr. 56, 44791 Bochum, Germany
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Empirical first-line treatment with tigecycline for febrile episodes following abdominal surgery in cancer patients. Int J Antimicrob Agents 2010; 36:462-6. [DOI: 10.1016/j.ijantimicag.2010.07.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2010] [Revised: 06/26/2010] [Accepted: 07/30/2010] [Indexed: 11/17/2022]
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Microbiological profile and antimicrobial susceptibility in surgical site infections following hollow viscus injury. J Gastrointest Surg 2010; 14:1304-10. [PMID: 20499202 DOI: 10.1007/s11605-010-1231-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Accepted: 05/11/2010] [Indexed: 01/31/2023]
Abstract
INTRODUCTION The purpose of this study was to assess the microbiological profile, antimicrobial susceptibility, and adequacy of the empiric antibiotic therapy in surgical site infections (SSI) following traumatic hollow viscus injury (HVI). METHODS This is a retrospective study of patients admitted with an HVI from March 2003 to July 2009. SSI was defined as a wound infection or intra-abdominal collection confirmed by positive cultures and requiring percutaneous or surgical drainage. RESULTS A total of 91 of 667 (13.6%) patients with an HVI developed an SSI confirmed by positive culture. Mean age was 33.0 +/- 14.1 years, mean Injury Severity Score (ISS) was 17.7 +/- 9.6, 91.2% were male, and 80.2% had sustained penetrating injuries. The SSI consisted of 65 intra-abdominal collections and 26 wound infections requiring intervention. The most commonly isolated species in the presence of a colonic injury was Escherichia coli (64.7%), Enterococcus spp. (41.2%), and Bacteroides (29.4%), and in the absence of a colonic perforation, Enterococcus spp. and Enterobacter cloacae (both 38.9%). Susceptibility rates of E. coli and E. cloacae, respectively, were 38% and 8% for ampicillin/sulbactam, 82% and 4% for cefazolin, 96% and 92% for cefoxitin, with both 92% to piperacillin/tazobactam, and 100% to ertapenem. The initial empirical antibiotic therapy adequately targeted the pathogens in 51.6% of patients who developed an SSI. CONCLUSION The distribution of the microorganisms isolated from SSIs differed significantly according to whether or not a colonic injury was present. Empiric antibiotic treatment was inadequate in upwards of 50% of patients who developed an SSI. Further investigation is warranted to determine the optimal empiric antibiotic regimen for reducing the rate of postoperative SSI.
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Sartelli M. A focus on intra-abdominal infections. World J Emerg Surg 2010; 5:9. [PMID: 20302628 PMCID: PMC2848006 DOI: 10.1186/1749-7922-5-9] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Accepted: 03/19/2010] [Indexed: 02/07/2023] Open
Abstract
Complicated intra-abdominal infections are an important cause of morbidity and are frequently associated with poor prognosis, particularly in higher risk patients. Well defined evidence-based recommendations for intra-abdominal infections treatment are partially lacking because of the limited number of randomized-controlled trials. Factors consistently associated with poor outcomes in patients with intra-abdominal infections include increased illness severity, failed source control, inadequate empiric antimicrobial therapy and healthcare-acquired infection. Early prognostic evaluation of complicated intra-abdominal infections is important to select high-risk patients for more aggressive therapeutic procedures. The cornerstones in the management of complicated intra-abdominal infections are both source control and antibiotic therapy. The timing and the adequacy of source control are the most important issues in the management of intra-abdominal infections, because inadequate and late control of septic source may have a negative effect on the outcomes. Recent advances in interventional and more aggressive techniques could significantly decrease the morbidity and mortality of physiologically severe complicated intra-abdominal infections, even if these are still being debated and are yet not validated by limited prospective trials. Empiric antimicrobial therapy is nevertheless important in the overall management of intra-abdominal infections. Inappropriate antibiotic therapy may result in poor patient outcomes and in the appearance of bacterial resistance. Antimicrobial management is generally standardised and many regimens, either with monotherapy or combination therapy, have proven their efficacy. Routine coverage especially against Enterococci and candida spp is not always recommended, but can be useful in particular clinical conditions. A de escalation approach may be recommended in patients with specific risk factors for multidrug resistant infections such as immunodeficiency and prolonged antibacterial exposure. Therapy should focus on the obtainment of adequate source control and adequate use of antimicrobial therapy dictated by individual patient risk factors. Other critical issues remain debated and more controversies are still open mainly because of the limited number of randomized controlled trials.
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Affiliation(s)
- Massimo Sartelli
- Department of Surgery, Macerata Hospital - Via Santa Lucia 2, 62100 Macerata - Italy.
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Augustin P, Kermarrec N, Muller-Serieys C, Lasocki S, Chosidow D, Marmuse JP, Valin N, Desmonts JM, Montravers P. Risk factors for multidrug resistant bacteria and optimization of empirical antibiotic therapy in postoperative peritonitis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2010; 14:R20. [PMID: 20156360 PMCID: PMC2875535 DOI: 10.1186/cc8877] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2009] [Revised: 01/06/2010] [Accepted: 02/15/2010] [Indexed: 12/28/2022]
Abstract
Introduction The main objective was to determine risk factors for presence of multidrug resistant bacteria (MDR) in postoperative peritonitis (PP) and optimal empirical antibiotic therapy (EA) among options proposed by Infectious Disease Society of America and the Surgical Infection Society guidelines. Methods One hundred patients hospitalised in the intensive care unit (ICU) for PP were reviewed. Clinical and microbiologic data, EA and its adequacy were analysed. The in vitro activities of 9 antibiotics in relation to the cultured bacteria were assessed to propose the most adequate EA among 17 regimens in the largest number of cases. Results A total of 269 bacteria was cultured in 100 patients including 41 episodes with MDR. According to logistic regression analysis, the use of broad-spectrum antibiotic between initial intervention and reoperation was the only significant risk factor for emergence of MDR bacteria (odds ratio (OR) = 5.1; 95% confidence interval (CI) = 1.7 - 15; P = 0.0031). Antibiotics providing the best activity rate were imipenem/cilastatin (68%) and piperacillin/tazobactam (53%). The best adequacy for EA was obtained by combinations of imipenem/cilastatin or piperacillin/tazobactam, amikacin and a glycopeptide, with values reaching 99% and 94%, respectively. Imipenem/cilastin was the only single-drug regimen providing an adequacy superior to 80% in the absence of broad spectrum antibiotic between initial surgery and reoperation. Conclusions Interval antibiotic therapy is associated with the presence of MDR bacteria. Not all regimens proposed by Infectious Disease Society of America and the Surgical Infection Society guidelines for PP can provide an acceptable rate of adequacy. Monotherapy with imipenem/cilastin is suitable for EA only in absence of this risk factor for MDR. For other patients, only antibiotic combinations may achieve high adequacy rates.
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Affiliation(s)
- Pascal Augustin
- Department of Anesthesiology and Surgical Intensive Care Unit, Hôpital Bichat-Claude Bernard, Université Paris VII Denis Diderot, Assistance Publique Hôpitaux de Paris, 46 rue Henri Huchard, 75877 Paris Cedex 18, France.
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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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Seguin P, Fédun Y, Laviolle B, Nesseler N, Donnio PY, Mallédant Y. Risk factors for multidrug-resistant bacteria in patients with post-operative peritonitis requiring intensive care. J Antimicrob Chemother 2009; 65:342-6. [PMID: 20008043 DOI: 10.1093/jac/dkp439] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES This prospective non-interventional study investigated the risk factors for multidrug-resistant bacteria (MDRB) in patients with post-operative peritonitis (POP), to provide guidance for empirical antimicrobial therapy. METHODS All consecutive patients, >15 years old, admitted to a surgical intensive care unit (ICU) between September 2006 and January 2009 for a first episode of POP were included. Antibiotic susceptibilities of microorganisms recovered from blood cultures and peritoneal fluid were determined by disc diffusion. Amoxicillin/clavulanic acid, ticarcillin/clavulanic acid, piperacillin/tazobactam, cefotaxime, ceftazidime, cefepime, imipenem, gentamicin, amikacin and ciprofloxacin were tested against Gram-negative bacteria, and oxacillin, amoxicillin, vancomycin, gentamicin and erythromycin were tested against aerobic Gram-positive bacteria. Results were reported as susceptible or resistant. RESULTS MDRB were isolated from 20/115 (17%) patients. In univariate analysis, use of antimicrobial therapy during the 3 months prior to hospitalization and a long duration between hospital admission or first operation and relaparotomy were significantly associated with MDRB recovery. In multivariate analysis, only antimicrobial treatment in the 3 months preceding hospitalization and duration between first operation and relaparotomy were independent risk factors for MDRB [odds ratio (OR) = 5.80, 95% confidence interval (95% CI) = 1.99-16.91 and OR = 1.10, 95% CI = 1.02-1.19, respectively]. No MDRB were found when the delay between the first operation and relaparotomy was <5 days. POP severity, non-surgical and surgical complications, hospital and ICU length of stay, and mortality were similar in patients with and without MDRB. CONCLUSIONS Our results suggest that broad-spectrum antibiotics should be used in ICU patients with POP who have received antimicrobial therapy in the 3 months prior to hospitalization, or with >5 days between the first operation and relaparotomy.
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Affiliation(s)
- Philippe Seguin
- Service de Réanimation Chirurgicale, Université Rennes 1, INSERM U991, Hôpital de Pontchaillou, 2 rue Henri Le Guilloux, 35033 Rennes Cedex 9, Rennes, France.
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Nicoletti G, Nicolosi D, Rossolini GM, Stefani S. Intra-abdominal infections: etiology, epidemiology, microbiological diagnosis and antibiotic resistance. J Chemother 2009; 21 Suppl 1:5-11. [PMID: 19622445 DOI: 10.1179/joc.2009.21.supplement-1.5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Intra-abdominal infections (IAIs) are commonly encountered in clinical practice. The etiology of these infections, often polymicrobial in nature, can be variable and usually includes organisms derived from the gut microbiota. in community-acquired IAIs enterobacteria predominate (mostly Escherichia coli) in combination with anaerobes (mostly Bacteroides fragilis). In nosocomial IAIs, which can complicate abdominal surgery, other pathogens can also play a role, such as Pseudomonas aeruginosa, Acinetobacter baumannii, Staphylococcus aureus, Enterococcus spp. and Candida spp. Diagnostic microbiology of IAIs is complex and plays a relevant role, especially in some situations (e.g. presence of foreign bodies, potential presence of resistant or uncommon pathogens, nosocomial infections in subjects with risk factors). Antibiotic resistance issues are currently encountered in most pathogenic species causing IAIs. Resistance affects all major classes of antimicrobial agents, often involving multiple classes and resulting in complex resistance phenotypes for which only a very limited number of drugs remain active.
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Affiliation(s)
- G Nicoletti
- Dipartimento di Scienze Microbiologiche e Science Ginecologiche, Università degli Studi di Catania, Italy
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Hoban DJ, Bouchillon SK, Hawser SP, Badal RE. Trends in the frequency of multiple drug-resistant Enterobacteriaceae and their susceptibility to ertapenem, imipenem, and other antimicrobial agents: data from the Study for Monitoring Antimicrobial Resistance Trends 2002 to 2007. Diagn Microbiol Infect Dis 2009; 66:78-86. [PMID: 19733993 DOI: 10.1016/j.diagmicrobio.2009.06.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2009] [Revised: 06/11/2009] [Accepted: 06/15/2009] [Indexed: 11/28/2022]
Abstract
The management of patients with complicated intra-abdominal infections has increased in complexity because of the evolution of antibiotic resistance and the development of multidrug-resistant (MDR) Enterobacteriaceae implicated in this clinical infectious process. The Study for Monitoring Antimicrobial Resistance Trends study 2002 to 2007 monitored the susceptibility of Enterobacteriaceae from intra-abdominal infections to a panel of appropriate antimicrobials. During 2002 to 2007, 6644 MDR (resistant to 2 or more antimicrobial classes) Enterobacteriaceae species were isolated and tested against selected antimicrobials from varying classes. The carbapenems were the most consistently active agents. Escherichia coli was the most commonly isolated MDR pathogen. The susceptibility of E. coli to the quinolone (8-21.6%), cephalosporin (30.2-70.7%), aminoglycoside (81.0-92.1%), and carbapenem (91.9-99.3%) agents varied by year. Susceptibilities of other Enterobacteriaceae were similar to those of E. coli. Surveillance of pathogens responsible for intra-abdominal infections is useful in the monitoring of changing susceptibility patterns and in the formulation of more effective treatment modalities.
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Affiliation(s)
- Daryl J Hoban
- International Health Management Associates, Inc., Schaumburg, IL 60173, USA.
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Montravers P, Lepape A, Dubreuil L, Gauzit R, Pean Y, Benchimol D, Dupont H. Clinical and microbiological profiles of community-acquired and nosocomial intra-abdominal infections: results of the French prospective, observational EBIIA study. J Antimicrob Chemother 2009; 63:785-94. [PMID: 19196742 DOI: 10.1093/jac/dkp005] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVES The EBIIA (Etude épidémiologique Bactério-clinique des Infections Intra-Abdominales) study was designed to describe the clinical, microbiological and resistance profiles of community-acquired and nosocomial intra-abdominal infections (IAIs). PATIENTS AND METHODS From January to July 2005, patients undergoing surgery/interventional drainage for IAIs with a positive microbiological culture were included by 25 French centres. The primary endpoint was the epidemiology of the microorganisms and their resistance to antibiotics. Multivariate analysis was carried out using stepwise logistic regression to assess the factors predictive of death during hospitalization. RESULTS Three hundred and thirty-one patients (234 community-acquired and 97 nosocomial) were included. The distribution of the microorganisms differed according to the type of infection. Carbapenems and amikacin were the most active agents in vitro against Enterobacteriaceae in both community-acquired and nosocomial infections. Against Pseudomonas aeruginosa, amikacin, imipenem, ceftazidime and ciprofloxacin were the most active agents in community-acquired infections, while imipenem, cefepime and amikacin were the most active in nosocomial cases. Against the Gram-positive bacteria, vancomycin and teicoplanin were the most active in both infections. Against anaerobic bacteria, the most active agents were metronidazole and carbapenems in both groups. Empirical antibiotic therapy adequately targeted the pathogens for 63% of community-acquired and 64% of nosocomial peritonitis. The presence of one or more co-morbidities [odds ratio (OR) = 3.17; P = 0.007], one or more severity criteria (OR = 4.90; P < 0.001) and generalized peritonitis (OR = 3.17; P = 0.006) were predictive of death. CONCLUSIONS The principal results of EBIIA are a higher diversity of microorganisms isolated in nosocomial infections and decreased susceptibility among these strains. Despite this, the adequacy of treatment is comparable in the two groups.
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Affiliation(s)
- Philippe Montravers
- Département d'Anesthésie Réanimation, CHU Bichat-Claude Bernard, Assistance Publique Hôpitaux de Paris, Université Paris VII, Paris, France.
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Seguin P, Verdier MC, Chanavaz C, Engrand C, Laviolle B, Donnio PY, Mallédant Y. Plasma and peritoneal concentration following continuous infusion of cefotaxime in patients with secondary peritonitis. J Antimicrob Chemother 2009; 63:564-7. [PMID: 19168542 DOI: 10.1093/jac/dkn522] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES The aim of this study was to determine the steady-state plasma and peritoneal concentrations of cefotaxime and its metabolite desacetyl-cefotaxime administered by continuous infusion to critically ill patients with secondary peritonitis. PATIENTS AND METHODS In 11 patients, a continuous infusion of 4 g/24 h of cefotaxime following a bolus of 2 g was evaluated. Plasma and peritoneal levels of cefotaxime and desacetyl-cefotaxime were measured at steady state on days 2 and 3 (plasma) and on day 3 (peritoneal) by HPLC. Results are expressed as means +/- SD. RESULTS Total and unbound plasma levels of cefotaxime were 24.0 +/- 21.5 and 20.3 +/- 19.8 mg/L on day 2 and 22.1 +/- 20.7 and 18.9 +/- 19.2 mg/L on day 3, respectively. Total and unbound levels of cefotaxime in the peritoneal fluids were 16.2 +/- 11.5 and 14.3 +/- 10.4 mg/L, respectively. The unbound fraction of plasma cefotaxime was 81.8 +/- 5.9% on day 2 and 82.6 +/- 7.7% on day 3, and the unbound fraction at the peritoneal site was 87.0 +/- 5.5% on day 3. Total and unbound plasma levels of desacetyl-cefotaxime were 9.0 +/- 8.1 and 8.4 +/- 8.1 mg/L on day 2 and 7.6 +/- 7.6 and 7.2 +/- 7.6 mg/L on day 3, respectively. Total and unbound levels of desacetyl-cefotaxime in the peritoneal fluids were 11.9 +/- 11.5 and 10.9 +/- 10.8 mg/L, respectively. The MICs for the enterobacteria recovered ranged from 0.016 to 0.25 mg/L. CONCLUSIONS Continuous infusion of 4 g/24 h of cefotaxime provided a peritoneal concentration >5x MIC for the recovered Enterobacteriaceae and the susceptibility breakpoint of cefotaxime for facultative Gram-negative bacilli.
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Affiliation(s)
- Philippe Seguin
- Service de Réanimation Chirurgicale-Inserm U620, Université Rennes 1, Hôpital de Pontchaillou, Rennes Cedex 9, Rennes, France.
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Caínzos M. Review of the guidelines for complicated skin and soft tissue infections and intra-abdominal infections--are they applicable today? Clin Microbiol Infect 2009; 14 Suppl 6:9-18. [PMID: 19040462 DOI: 10.1111/j.1469-0691.2008.02123.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Difficult-to-treat infections in surgical patients, such as serious skin and soft tissue infections (SSTIs) and complicated intra-abdominal infections (cIAIs), are the cause of significant morbidity and mortality, and carry an economic burden. These surgical site infections are typically polymicrobial infections caused by a plethora of pathogens, which include difficult-to-treat organisms and multiresistant Gram-positive and Gram-negative strains. Optimal management of SSTIs and cIAIs must take into account the presence of resistant pathogens, and depends on the administration of appropriate antimicrobial therapy (i.e. the correct spectrum, route and dose in a timely fashion for a sufficient duration as well as the timely implementation of source control measures). Treatment recommendations from the Infectious Diseases Society of America and the Surgical Infection Society are available for guidance in the management of both of these infections, yet the increased global prevalence of multidrug-resistant pathogens has complicated the antibiotic selection process. Several pathogens of concern include methicillin-resistant Staphylococcus aureus, responsible for problematic postoperative infections, especially in patients with SSTIs, extended-spectrum beta-lactamase-producing Gram-negative bacteria, including CTX-M-type-producing Escherichia coli strains, and multidrug-resistant strains of Bacteroides fragilis. New empirical regimens, taking advantage of potent broad-spectrum antibiotic options, may be needed for the treatment of certain high-risk patients with surgical site infections.
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Affiliation(s)
- M Caínzos
- Hospital Clínico Universitario, Medical School, Santiago de Compostela, Spain.
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Kollef M, Napolitano L, Solomkin J, Wunderink R, Bae I, Fowler V, Balk R, Stevens D, Rahal J, Shorr A, Linden P, Micek S. Health Care–Associated Infection (HAI): A Critical Appraisal of the Emerging Threat—Proceedings of the HAI Summit. Clin Infect Dis 2008; 47 Suppl 2:S55-99; quiz S100-1. [DOI: 10.1086/590937] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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Colombo GL, Caruggi M, Ottolini C, Maggioni AP. Candesartan in heart failure: assessment of reduction in mortality and morbidity (CHARM) and resource utilization and costs in Italy. Vasc Health Risk Manag 2008; 4:223-34. [PMID: 18629370 PMCID: PMC2464765 DOI: 10.2147/vhrm.2008.04.01.223] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Chronic heart failure (HF) is a major cause of morbidity and mortality particularly in the elderly and a growing healthcare burden in Italy. The objective was to assess the cost-effectiveness of candesartan cilexetil, an angiotensin II type 1 receptor blocker (ARB) for the treatment of HF. A pre-specified economic evaluation was conducted on resource utilization (cardiovascular drug treatment, cardiovascular and non-cardiovascular hospital admission, cardiovascular procedures/operations) prospectively collected alongside the CHARM program, a series of parallel randomized clinical trials comparing candesartan with placebo (standard therapy) in patients with NYHA Class II-IV HF: CHARM-Alternative (LVEF < or =40% patients not receiving ACE inhibitors because of previous intolerance); CHARM-Added (LVEF < or =40% patients currently receiving ACE inhibitors); or CHARM-Preserved (LVEF > or =40% patients). The primary outcome for the component trials was the composite of cardiovascular death or worsening hospital admission for HF and of the overall program all-cause mortality. Adjunctive treatment with candesartan in CHARM-Alternative and CHARM-Added led to clinical benefits and to either cost-savings or a small additional cost, depending on the trial. The less certain clinical benefit in CHARM-Preserved was obtained at modest extra cost. The incremental cost-effectiveness ratios (ICERs) were estimated to range from euro713 per life year gained for CHARM-Alternative to dominant for CHARM-Added and the pooled reduced LVEF trials.
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