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Böll B, Schalk E, Buchheidt D, Hasenkamp J, Kiehl M, Kiderlen TR, Kochanek M, Koldehoff M, Kostrewa P, Claßen AY, Mellinghoff SC, Metzner B, Penack O, Ruhnke M, Vehreschild MJGT, Weissinger F, Wolf HH, Karthaus M, Hentrich M. Central venous catheter-related infections in hematology and oncology: 2020 updated guidelines on diagnosis, management, and prevention by the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO). Ann Hematol 2021; 100:239-259. [PMID: 32997191 PMCID: PMC7782365 DOI: 10.1007/s00277-020-04286-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/23/2020] [Indexed: 12/31/2022]
Abstract
Cancer patients frequently require central venous catheters for therapy and parenteral nutrition and are at high risk of central venous catheter-related infections (CRIs). Moreover, CRIs prolong hospitalization, cause an excess in resource utilization and treatment cost, often delay anti-cancer treatment, and are associated with a significant increase in mortality in cancer patients. We therefore summoned a panel of experts by the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO) and updated our previous guideline on CRIs in cancer patients. After conducting systematic literature searches on PubMed, Medline, and Cochrane databases, video- and meeting-based consensus discussions were held. In the presented guideline, we summarize recommendations on definition, diagnosis, management, and prevention of CRIs in cancer patients including the grading of strength of recommendations and the respective levels of evidence. This guideline supports clinicians and researchers alike in the evidence-based decision-making in the management of CRIs in cancer patients.
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Affiliation(s)
- Boris Böll
- Department I of Internal Medicine, Hematology and Oncology, Intensive Care Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Kerpener Strasse 62, 50937, Cologne, Germany.
| | - Enrico Schalk
- Department of Hematology and Oncology, Otto-von-Guericke University Magdeburg, Medical Center, Magdeburg, Germany
| | - Dieter Buchheidt
- Department of Hematology and Oncology, Mannheim University Hospital, Heidelberg University, Mannheim, Germany
| | - Justin Hasenkamp
- Clinic for Hematology and Oncology, University Medicine Göttingen, Georg-August-University, Göttingen, Germany
| | - Michael Kiehl
- Department of Internal Medicine, Frankfurt (Oder) General Hospital, Frankfurt/Oder, Germany
| | - Til Ramon Kiderlen
- Department of Hematology, Oncology and Palliative Care, Vivantes Clinic Neukoelln, Berlin, Germany
| | - Matthias Kochanek
- Department I of Internal Medicine, Hematology and Oncology, Intensive Care Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Kerpener Strasse 62, 50937, Cologne, Germany
| | - Michael Koldehoff
- Department of Bone Marrow Transplantation, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Philippe Kostrewa
- Department of Hematology and Oncology, Campus Fulda, Philipps-University Marburg, Fulda, Germany
| | - Annika Y Claßen
- Department I of Internal Medicine, Hematology and Oncology, Intensive Care Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Kerpener Strasse 62, 50937, Cologne, Germany
| | - Sibylle C Mellinghoff
- Department I of Internal Medicine, Hematology and Oncology, Intensive Care Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Kerpener Strasse 62, 50937, Cologne, Germany
| | - Bernd Metzner
- Department of Hematology and Oncology, University Hospital Oldenburg, Oldenburg, Germany
| | - Olaf Penack
- Department of Hematology, Oncology, and Tumor Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Markus Ruhnke
- Department of Hematology and Oncology, Helios Klinikum Aue, Aue, Germany
| | - Maria J G T Vehreschild
- Department of Internal Medicine, Infectious Diseases, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Florian Weissinger
- Department of Hematology, Oncology and Palliative Care, Department of Internal Medicine, Evangelisches Klinikum Bethel, Bielefeld, Germany
| | - Hans-Heinrich Wolf
- Department III of Internal Medicine, Hematology, Oncology and Hemostaseology, Südharzklinikum, Nordhausen, Germany
| | - Meinolf Karthaus
- Department of Hematology, Oncology & Palliative Care, Klinikum Neuperlach, Munich, Germany
| | - Marcus Hentrich
- Department of Hematology and Oncology, Red Cross Hospital Munich, Munich, Germany
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Clinical Characteristics and Outcomes of S. Aureus Bacteremia in Patients Receiving Total Parenteral Nutrition. Nutrients 2020; 12:nu12103131. [PMID: 33066383 PMCID: PMC7602162 DOI: 10.3390/nu12103131] [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: 09/18/2020] [Revised: 10/05/2020] [Accepted: 10/09/2020] [Indexed: 11/16/2022] Open
Abstract
Background: Patients on total parenteral nutrition (TPN) are at risk of developing central line-associated infections. Specifically, Staphylococcus aureus bacteremia (SAB) is feared for its high complication rates. This prospective cohort study compares characteristics, clinical course and outcome of SAB in patients with and without TPN support. Methods: Clinical and microbiological data from all patients with positive blood cultures for S. aureus from two facilities, including our referral center for TPN support, were retrieved (period 2013-2020). Primary outcome was overall mortality, and included survival analysis using a multivariate Cox regression model. Secondary outcomes comprised a comparison of clinical characteristics and outcomes between both patient groups and analysis of factors associated with complicated outcome (e.g., endocarditis, deep-seated foci, relapse and death) in patients on TPN specifically. Results: A total of 620 SAB cases were analyzed, of which 53 cases received TPN at the moment the blood culture was taken. Patients in the TPN group were more frequently female, younger and had less comorbidity (p < 0.001). In-hospital death and overall mortality were significantly lower in TPN patients (4% vs. 18%, p = 0.004 and 10% vs. 34%, p < 0.001, respectively). Positive follow-up blood cultures, delayed onset of therapy and previous catheter problems were associated with a higher incidence of complicated SAB outcome in patients on TPN. Conclusion: Our data show that patients on TPN have a milder course of SAB with lower mortality rates compared to non-TPN SAB patients.
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Jo KM, Choi S, Jung KH, Park JW, Yun JH, Kim MJ, Chong YP, Lee SO, Choi SH, Kim YS, Woo JH, Lee JH, Lee JH, Lee KH, Kim SH. Diagnostic usefulness of differential time to positivity in neutropenic cancer patients with suspected catheter-related candidemia. Med Mycol 2020; 58:137-140. [PMID: 30927433 DOI: 10.1093/mmy/myz028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 02/18/2019] [Accepted: 02/27/2019] [Indexed: 01/05/2023] Open
Abstract
Methods for distinguishing catheter-related candidemia (CRC) from non-CRC before catheter removal remain limited. We thus evaluated the diagnostic performance of differential time to positivity (DTP) to diagnose CRC in neutropenic cancer patients with suspected CRC. Of the 35 patients enrolled, 15 (43%) with CRC (six definite and nine probable) and 17 (49%) with non-CRC were finally analyzed. Based on the receiver operating characteristic curve, the optimal cutoff value of DTP for diagnosing CRC was ≥1.45 hours with the sensitivity 80% (95% confidence interval [CI], 51-95) and specificity 100% (95% CI, 80-100), respectively.
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Affiliation(s)
- Kyeong Min Jo
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sungim Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyung Hwa Jung
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jung Wan Park
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji Hyun Yun
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Min Jae Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yong Pil Chong
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Oh Lee
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Ho Choi
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Yang Soo Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jun Hee Woo
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jung-Hee Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Je-Hwan Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyoo-Hyung Lee
- Department of Hematology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Han Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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del Pozo JL, Serrera A, Martinez-Cuesta A, Leiva J, Penades J, Lasa I. Biofilm Related Infections: Is There a Place for Conservative Treatment of Port-Related Bloodstream Infections? Int J Artif Organs 2018; 29:379-86. [PMID: 16705606 DOI: 10.1177/039139880602900407] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Vascular catheters are the most frequently used indwelling medical devices and have become necessary tools for patients with chronic or critical illness. Surgically or percutaneously placed venous access ports are used to facilitate long-term intravenous therapy. The widespread use of these devices has resulted in a dramatic increase in catheter-related infections. It implies considerable morbidity, occasional mortality, and an increase in medical costs derived from its diagnosis, treatment, and mainly, prolongation of the patient's in-hospital stay. Treatment of such infections is often difficult due to the presence of biofilms on the port inner surface; inside the biofilms, bacteria are less vulnerable to antimicrobial agents. Current diagnostic strategies are suboptimal, and most successful treatment options require removal of the infected device followed by a course of antimicrobial therapy. There are limited data concerning the efficacy of antibiotic treatment of port-related bloodstream infections without catheter removal.
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Affiliation(s)
- J L del Pozo
- Division of Infectious Diseases and Clinical Microbiology, University Clinic of Navarra, Pamplona, Spain.
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Del Pozo JL. Role of Antibiotic Lock Therapy for the Treatment of Catheter-Related Bloodstream Infections. Int J Artif Organs 2018; 32:678-88. [DOI: 10.1177/039139880903200918] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Catheter-related bloodstream infections are often difficult to treat because they are caused by organisms that embed themselves in a bio film layer on the catheter surface, resulting in an increased resistance to antimicrobial agents. Systemic antibiotics are usually administered but, although generally effective in eliminating circulating bacteria, they frequently fail to sterilize the line, leaving the patient at a continuing risk of complications or recurrence. A successful approach to managing these infections requires making an appropriate decision regarding whether the catheter should be removed or retained using antibiotic lock therapy; and choosing the type and duration of antimicrobial therapy based on the type of organism and its resistance pattern. Studies that have evaluated antibiotic lock therapy have varied in the types of antibiotics and concentrations used, the addition of heparin to the solutions, and dwell times in the catheter lumen. Guidelines from the Infectious Diseases Society of America include use of antibiotic lock therapy as a therapeutic option for intraluminal infections when the device is not removed and, although not routine, as prophylaxis for catheter-related infection in select patient populations. However, there are no published guidelines on the concentration of heparin or antibiotics that should be used, and minimal published data on the stability of heparin combinations with antibiotics. It is to be hoped that antibiotic locks will be subject to randomized controlled trials of sufficient power to confirm or refute their use.
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Affiliation(s)
- Jose L Del Pozo
- Division of Infectious Diseases and Department of Clinical Microbiology, University Clinic of Navarra, Pamplona - Spain
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Alby-Laurent F, Lambe C, Ferroni A, Salvi N, Lebeaux D, Le Gouëz M, Castelle M, Moulin F, Nassif X, Lortholary O, Chalumeau M, Toubiana J. Salvage Strategy for Long-Term Central Venous Catheter-Associated Staphylococcus aureus Infections in Children. Front Pediatr 2018; 6:427. [PMID: 30740390 PMCID: PMC6355702 DOI: 10.3389/fped.2018.00427] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 12/21/2018] [Indexed: 11/13/2022] Open
Abstract
Introduction: Current international guidelines strongly recommend catheter removal in case of S. aureus central line-associated bloodstream infection (CLASBI), but a catheter salvage strategy may be considered in children given age-related specificities. No data is available regarding the outcome of this strategy in children. This study aims to evaluate catheter salvage strategy in children with S. aureus CLABSI, and to determine treatment failure rates and associated risk factors. Methods: We retrospectively analyzed data for all children <18 years having S. aureus CLABSI on a long-term central venous catheter in a tertiary hospital from 2010 to 2014. We defined catheter salvage strategy as a central venous catheter left in place ≥3 days after initiation of empiric treatment for suspected bacteremia, and catheter salvage strategy failure as the persistence or relapse of bacteremia with a S. aureus strain harboring the same antibiotic susceptibility pattern, or the occurrence or the worsening of local or systemic infectious complication between 72 h and 28 days after the first positive blood culture. Results: During the study period, 49 cases of S. aureus CLABSI on long-term central venous catheters were observed in 41 children (including 59% with long-term parenteral nutrition) and 6 (15%) isolates were resistant to methicillin. A catheter salvage strategy was chosen in 37/49 (76%) cases and failed in 12/37 (32%) cases. Initial presence of bloodstream co-infection, serum concentration of vancomycin under the targeted value and inadequate empiric treatment were significantly associated with catheter salvage therapy failure. Conclusions: The catheter salvage strategy of S. aureus CLABSI on a long-term central venous catheter was frequent in the studied hospital and failed only in one third of cases.
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Affiliation(s)
- Fanny Alby-Laurent
- Department of General Pediatrics and Infectious Diseases, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Cécile Lambe
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Agnès Ferroni
- Department of Clinical Microbiology, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Nadège Salvi
- Department of Pediatric Critical Care and Anesthesia, Necker-Enfants Malades University Hospital, AP-HP, Paris, France
| | - David Lebeaux
- Necker-Pasteur Center for Infectious Diseases and Tropical Medicine, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Morgane Le Gouëz
- Department of General Pediatrics and Infectious Diseases, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Martin Castelle
- Pediatric Hematology-Immunology Unit, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Florence Moulin
- Department of Pediatric Intensive Care Unit, Necker-Enfants Malades Hospital, AP-HP, Paris, France
| | - Xavier Nassif
- Department of Clinical Microbiology, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Olivier Lortholary
- Necker-Pasteur Center for Infectious Diseases and Tropical Medicine, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Martin Chalumeau
- Department of General Pediatrics and Infectious Diseases, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Julie Toubiana
- Department of General Pediatrics and Infectious Diseases, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Necker-Pasteur Center for Infectious Diseases and Tropical Medicine, Necker-Enfants Malades University Hospital, AP-HP, Paris Descartes University, Sorbonne Paris Cité, Paris, France
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Tong SYC, Davis JS, Eichenberger E, Holland TL, Fowler VG. Staphylococcus aureus infections: epidemiology, pathophysiology, clinical manifestations, and management. Clin Microbiol Rev 2015; 28:603-61. [PMID: 26016486 PMCID: PMC4451395 DOI: 10.1128/cmr.00134-14] [Citation(s) in RCA: 2733] [Impact Index Per Article: 303.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Staphylococcus aureus is a major human pathogen that causes a wide range of clinical infections. It is a leading cause of bacteremia and infective endocarditis as well as osteoarticular, skin and soft tissue, pleuropulmonary, and device-related infections. This review comprehensively covers the epidemiology, pathophysiology, clinical manifestations, and management of each of these clinical entities. The past 2 decades have witnessed two clear shifts in the epidemiology of S. aureus infections: first, a growing number of health care-associated infections, particularly seen in infective endocarditis and prosthetic device infections, and second, an epidemic of community-associated skin and soft tissue infections driven by strains with certain virulence factors and resistance to β-lactam antibiotics. In reviewing the literature to support management strategies for these clinical manifestations, we also highlight the paucity of high-quality evidence for many key clinical questions.
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Affiliation(s)
- Steven Y C Tong
- Global and Tropical Health, Menzies School of Health Research, Darwin, Northern Territory, Australia
| | - Joshua S Davis
- Global and Tropical Health, Menzies School of Health Research, Darwin, Northern Territory, Australia
| | - Emily Eichenberger
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Thomas L Holland
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Vance G Fowler
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina, USA
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Diagnosis and treatment of bacteremia and endocarditis due to Staphylococcus aureus. A clinical guideline from the Spanish Society of Clinical Microbiology and Infectious Diseases (SEIMC). Enferm Infecc Microbiol Clin 2015; 33:625.e1-625.e23. [PMID: 25937457 DOI: 10.1016/j.eimc.2015.03.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Accepted: 03/16/2015] [Indexed: 01/30/2023]
Abstract
Both bacteremia and infective endocarditis caused by Staphylococcus aureus are common and severe diseases. The prognosis may darken not infrequently, especially in the presence of intracardiac devices or methicillin-resistance. Indeed, the optimization of the antimicrobial therapy is a key step in the outcome of these infections. The high rates of treatment failure and the increasing interest in the influence of vancomycin susceptibility in the outcome of infections caused by both methicillin-susceptible and -resistant isolates has led to the research of novel therapeutic schemes. Specifically, the interest raised in recent years on the new antimicrobials with activity against methicillin-resistant staphylococci has been also extended to infections caused by susceptible strains, which still carry the most important burden of infection. Recent clinical and experimental research has focused in the activity of new combinations of antimicrobials, their indication and role still being debatable. Also, the impact of an appropriate empirical antimicrobial treatment has acquired relevance in recent years. Finally, it is noteworthy the impact of the implementation of a systematic bundle of measures for improving the outcome. The aim of this clinical guideline is to provide an ensemble of recommendations in order to improve the treatment and prognosis of bacteremia and infective endocarditis caused by S. aureus, in accordance to the latest evidence published.
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Abstract
The “Guideline for Prevention of Intravascular Device-Related Infections” is designed to reduce the incidence of intravascular device-related infections by providing an over view of the evidence for recommendations considered prudent by consensus of Hospital Infection Control Practices Advisor y Committee (HICPAC) members. This two-part document updates and replaces the previously published Centers for Disease Control's (CDC) Guideline for Intravascular Infections (Am J Infect Control1983;11:183-199). Part I, “Intravascular Device-Related Infections: An Over view” discusses many of the issues and controversies in intravascular-device use and maintenance. These issues include definitions and diagnosis of catheter-related infection, appropriate barrier precautions during catheter insertion, inter vals for replacement of catheters, intravenous (IV) fluids and administration sets, catheter-site care, the role of specialized IV personnel, and the use of prophylactic antimi-crobials, flush solutions, and anticoagulants. Part II, “Recommendations for Prevention of Intravascular Device-Related Infections” provides consensus recommendations of the HICPAC for the prevention and control of intravascular device-related infections. A working draft of this document also was reviewed by experts in hospital infection control, internal medicine, pediatrics, and intravenous therapy. However, all recommendations contained in the guideline may not reflect the opinion of all reviewers.
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Kim SH, Kang CI, Kim HB, Youn SS, Oh MD, Kim EC, Park SY, Kim BK, Choe KW. Outcomes of Hickman Catheter Salvage in Febrile Neutropenic Cancer Patients WithStaphylococcus aureusBacteremia. Infect Control Hosp Epidemiol 2015; 24:897-904. [PMID: 14700404 DOI: 10.1086/502157] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractObjective:To evaluate the outcome of attempted Hickman catheter salvage in neutropenic cancer patients withStaphylococcus aureusbacteremia who were not using antibiotic lock therapy.Design:Retrospective cohort study.Setting:A university-affiliated, tertiary-care hospital with 1,500 beds for adult patients.Patients:All neutropenic cancer patients who had a Hickman catheter andS. aureusbacteremia (32 episodes in 29 patients) between January 1998 and March 2002.Methods:Salvage attempts were defined as cases where the Hickman catheter was not removed until we obtained the results of follow-up blood cultures performed 48 to 72 hours after starting treatment with antistaphylococcal antibiotics. Salvage was considered to be successful if the Hickman catheter was still in place 3 months later without recurrent bacteremia or death.Results:Catheter salvage was attempted in 24 (75%) of the 32 episodes. Of the salvage attempts, the success rate was 50% (12 of 24). Salvage attempts were successful in 14% (1 of 7) of the episodes with positive follow-up blood cultures, and in 65% (11 of 17) of those with negative follow-up blood cultures (P= .07). If the analysis is confined to cases with no external signs of catheter infection, salvage attempts were successful in 14% (1 of 7) of the episodes with positive follow-up blood cultures and in 80% (8 of 10) of those with negative follow-up blood cultures (P= .02).Conclusion:In neutropenic cancer patients withS. aureusbacteremia, attempted catheter salvage without antibiotic lock therapy was successful in 50% of the cases.
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Affiliation(s)
- Sung-Han Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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Affiliation(s)
- Younghee Jung
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Division of Infectious Diseases, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Hong Bin Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Division of Infectious Diseases, Seoul National University Bundang Hospital, Seongnam, Korea
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Alp S, Akova M. Management of febrile neutropenia in the era of bacterial resistance. Ther Adv Infect Dis 2014; 1:37-43. [PMID: 25165543 DOI: 10.1177/2049936113475610] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Managing cancer patients with fever and neutropenia must be considered as a medical emergency since any delay in initiating appropriate empirical antibacterial therapy may result in high rates of mortality and morbidity. Emerging antibacterial resistance in bacterial pathogens infecting febrile neutropenic patients complicates management, and choosing the type of empirical antimicrobial therapy has become a challenge. To further complicate the decision process, not all neutropenic patients are in same category of susceptibility to develop severe infection. While low-risk patients may be treated with oral antibiotics in the outpatient setting, high-risk patients usually need to be admitted to hospital and receive parenteral broad-spectrum antibiotics until the neutrophil levels recover. These strategies have recently been addressed in two international guidelines from the Infectious Diseases Society of America (IDSA) and the European Conference on Infections in Leukaemia (ECIL). This review gives a brief overview of current antimicrobial resistance problems and their effects in febrile neutropenic cancer patients by summarizing the suggestions from the IDSA and ECIL guidelines.
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Affiliation(s)
- Sehnaz Alp
- Section of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Murat Akova
- Section of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, 06100 Ankara, Turkey
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13
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Delay before implanting a port-a-cath after removing the previous one because of infection. Med Mal Infect 2014; 44:315-20. [DOI: 10.1016/j.medmal.2014.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/16/2014] [Accepted: 06/02/2014] [Indexed: 11/21/2022]
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El Zakhem A, Chaftari AM, Bahu R, El Helou G, Shelburne S, Jiang Y, Hachem R, Raad I. Central line-associated bloodstream infections caused by Staphylococcus aureus in cancer patients: Clinical outcome and management. Ann Med 2014; 46:163-8. [PMID: 24491173 DOI: 10.3109/07853890.2013.878513] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND There are limited data regarding clinical presentation and management of Staphylococcus aureus central line- associated bloodstream infection (CLABSI) in immunocompromised cancer patients. METHODS In this review, we evaluated 299 patients with 304 episodes of S. aureus-CLABSI between 2005 and 2011. FINDINGS By multivariate analysis, the major predictors of complicated S. aureus-CLABSI were septic shock, catheter site inflammation, presence of peripherally inserted central catheter, anti-cancer chemotherapy within 10 days, and persistent bacteremia beyond 72 hours (P ≤ 0.02). A total of 67% of the cases were defined as complicated. In the subset of patients who were uncomplicated on presentation, patients receiving antimicrobials ≥ 14 days had similar rates of relapse, attributable mortality, and development of complications compared to those receiving shorter-course therapy. By competing risk analysis, removal of the catheter within 3 days of the onset of bacteremia was associated with a lower relapse rate at 90 days (P = 0.024). INTERPRETATION The majority of S. aureus-CLABSI in cancer patients are complicated and require prolonged course of antimicrobial treatment. Early removal of the catheter within the first 3 days is associated with better course. In patients with prompt removal of the catheter and no evidence of a complicated course, treatment beyond 2 weeks may not be necessary.
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Affiliation(s)
- Aline El Zakhem
- Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center , Houston, Texas , USA
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Ferrer C, Almirante B. Infecciones relacionadas con el uso de los catéteres vasculares. Enferm Infecc Microbiol Clin 2014; 32:115-24. [DOI: 10.1016/j.eimc.2013.12.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 12/12/2013] [Indexed: 10/25/2022]
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16
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Hentrich M, Schalk E, Schmidt-Hieber M, Chaberny I, Mousset S, Buchheidt D, Ruhnke M, Penack O, Salwender H, Wolf HH, Christopeit M, Neumann S, Maschmeyer G, Karthaus M. Central venous catheter-related infections in hematology and oncology: 2012 updated guidelines on diagnosis, management and prevention by the Infectious Diseases Working Party of the German Society of Hematology and Medical Oncology. Ann Oncol 2014; 25:936-47. [PMID: 24399078 DOI: 10.1093/annonc/mdt545] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cancer patients are at increased risk for central venous catheter-related infections (CRIs). Thus, a comprehensive, practical and evidence-based guideline on CRI in patients with malignancies is warranted. PATIENTS AND METHODS A panel of experts by the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO) has developed a guideline on CRI in cancer patients. Literature searches of the PubMed, Medline and Cochrane databases were carried out and consensus discussions were held. RESULTS Recommendations on diagnosis, management and prevention of CRI in cancer patients are made, and the strength of the recommendation and the level of evidence are presented. CONCLUSION This guideline is an evidence-based approach to the diagnosis, management and prevention of CRI in cancer patients.
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Affiliation(s)
- M Hentrich
- Department of Hematology, Oncology and Palliative Care, Harlaching Hospital and Neuperlach Hospital, Munich
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van Hal SJ, Jensen SO, Vaska VL, Espedido BA, Paterson DL, Gosbell IB. Predictors of mortality in Staphylococcus aureus Bacteremia. Clin Microbiol Rev 2012; 25:362-86. [PMID: 22491776 PMCID: PMC3346297 DOI: 10.1128/cmr.05022-11] [Citation(s) in RCA: 636] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Staphylococcus aureus bacteremia (SAB) is an important infection with an incidence rate ranging from 20 to 50 cases/100,000 population per year. Between 10% and 30% of these patients will die from SAB. Comparatively, this accounts for a greater number of deaths than for AIDS, tuberculosis, and viral hepatitis combined. Multiple factors influence outcomes for SAB patients. The most consistent predictor of mortality is age, with older patients being twice as likely to die. Except for the presence of comorbidities, the impacts of other host factors, including gender, ethnicity, socioeconomic status, and immune status, are unclear. Pathogen-host interactions, especially the presence of shock and the source of SAB, are strong predictors of outcomes. Although antibiotic resistance may be associated with increased mortality, questions remain as to whether this reflects pathogen-specific factors or poorer responses to antibiotic therapy, namely, vancomycin. Optimal management relies on starting appropriate antibiotics in a timely fashion, resulting in improved outcomes for certain patient subgroups. The roles of surgery and infectious disease consultations require further study. Although the rate of mortality from SAB is declining, it remains high. Future international collaborative studies are required to tease out the relative contributions of various factors to mortality, which would enable the optimization of SAB management and patient outcomes.
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Affiliation(s)
- Sebastian J van Hal
- Department of Microbiology and Infectious Diseases, Sydney South West Pathology Service—Liverpool, South Western Sydney Local Health Network, Sydney, New South Wales, Australia.
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Tomlinson D, Mermel LA, Ethier MC, Matlow A, Gillmeister B, Sung L. Defining Bloodstream Infections Related to Central Venous Catheters in Patients With Cancer: A Systematic Review. Clin Infect Dis 2011; 53:697-710. [DOI: 10.1093/cid/cir523] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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19
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Outcome of bacteremia and fungemia in paediatric oncology patients. Can J Infect Dis 2011; 13:375-81. [PMID: 18159414 DOI: 10.1155/2002/837329] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2001] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To determine the outcome of paediatric oncology patients with positive blood cultures. DESIGN Retrospective chart review. SETTING Tertiary care hospital. POPULATION STUDIED Oncology patients up to 17 years of age with positive blood cultures from January 1, 1994 to March 31, 1999. MAIN RESULTS There were 121 episodes of positive blood cultures in 76 patients. Seventeen episodes were excluded because blood cultures were contaminated. Of the organisms grown from the remaining episodes, 63% were Gram-positive organisms, 23% were Gram-negative organisms, 3% were fungal and 11% were mixed. There were 13 episodes with pure or mixed isolates of Staphylococcus aureus, of which nine occurred within 14 days of the placement of a new central venous tunnelled catheter. Central venous tunnelled catheters were retained in 76 of the 102 episodes when they were present. There were two relapses, and four children were admitted to the intensive care unit with septic shock, but all survived. CONCLUSIONS The outcome was excellent with the current management of possible bacteremia in paediatric oncology patients, but the high incidence of S aureus bacteremia suggests that empirical antibiotics should be altered if sepsis is suspected within 14 days of the placement of a central venous catheter.
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Lee DG, Kim SH, Kim SY, Kim CJ, Park WB, Song YG, Choi JH. Evidence-based guidelines for empirical therapy of neutropenic fever in Korea. Korean J Intern Med 2011; 26:220-52. [PMID: 21716917 PMCID: PMC3110859 DOI: 10.3904/kjim.2011.26.2.220] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Neutrophils play an important role in immunological function. Neutropenic patients are vulnerable to infection, and except fever is present, inflammatory reactions are scarce in many cases. Additionally, because infections can worsen rapidly, early evaluation and treatments are especially important in febrile neutropenic patients. In cases in which febrile neutropenia is anticipated due to anticancer chemotherapy, antibiotic prophylaxis can be used, based on the risk of infection. Antifungal prophylaxis may also be considered if long-term neutropenia or mucosal damage is expected. When fever is observed in patients suspected to have neutropenia, an adequate physical examination and blood and sputum cultures should be performed. Initial antibiotics should be chosen by considering the risk of complications following the infection; if the risk is low, oral antibiotics can be used. For initial intravenous antibiotics, monotherapy with a broad-spectrum antibiotic or combination therapy with two antibiotics is recommended. At 3-5 days after beginning the initial antibiotic therapy, the condition of the patient is assessed again to determine whether the fever has subsided or symptoms have worsened. If the patient's condition has improved, intravenous antibiotics can be replaced with oral antibiotics; if the condition has deteriorated, a change of antibiotics or addition of antifungal agents should be considered. If the causative microorganism is identified, initial antimicrobial or antifungal agents should be changed accordingly. When the cause is not detected, the initial agents should continue to be used until the neutrophil count recovers.
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Affiliation(s)
- Dong-Gun Lee
- National Evidence-based Healthcare Collaborating Agency, Seoul, Korea.
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21
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Freifeld AG, Bow EJ, Sepkowitz KA, Boeckh MJ, Ito JI, Mullen CA, Raad II, Rolston KV, Young JAH, Wingard JR. Clinical practice guideline for the use of antimicrobial agents in neutropenic patients with cancer: 2010 update by the infectious diseases society of america. Clin Infect Dis 2011; 52:e56-93. [PMID: 21258094 DOI: 10.1093/cid/cir073] [Citation(s) in RCA: 1828] [Impact Index Per Article: 140.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
This document updates and expands the initial Infectious Diseases Society of America (IDSA) Fever and Neutropenia Guideline that was published in 1997 and first updated in 2002. It is intended as a guide for the use of antimicrobial agents in managing patients with cancer who experience chemotherapy-induced fever and neutropenia. Recent advances in antimicrobial drug development and technology, clinical trial results, and extensive clinical experience have informed the approaches and recommendations herein. Because the previous iteration of this guideline in 2002, we have a developed a clearer definition of which populations of patients with cancer may benefit most from antibiotic, antifungal, and antiviral prophylaxis. Furthermore, categorizing neutropenic patients as being at high risk or low risk for infection according to presenting signs and symptoms, underlying cancer, type of therapy, and medical comorbidities has become essential to the treatment algorithm. Risk stratification is a recommended starting point for managing patients with fever and neutropenia. In addition, earlier detection of invasive fungal infections has led to debate regarding optimal use of empirical or preemptive antifungal therapy, although algorithms are still evolving. What has not changed is the indication for immediate empirical antibiotic therapy. It remains true that all patients who present with fever and neutropenia should be treated swiftly and broadly with antibiotics to treat both gram-positive and gram-negative pathogens. Finally, we note that all Panel members are from institutions in the United States or Canada; thus, these guidelines were developed in the context of North American practices. Some recommendations may not be as applicable outside of North America, in areas where differences in available antibiotics, in the predominant pathogens, and/or in health care-associated economic conditions exist. Regardless of venue, clinical vigilance and immediate treatment are the universal keys to managing neutropenic patients with fever and/or infection.
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Affiliation(s)
- Alison G Freifeld
- Department of Medicine, University of Nebraska Medical Center, Omaha, Nebraska
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22
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Freifeld AG, Bow EJ, Sepkowitz KA, Boeckh MJ, Ito JI, Mullen CA, Raad II, Rolston KV, Young JAH, Wingard JR. Executive Summary: Clinical Practice Guideline for the Use of Antimicrobial Agents in Neutropenic Patients with Cancer: 2010 Update by the Infectious Diseases Society of America. Clin Infect Dis 2011; 52:427-31. [DOI: 10.1093/cid/ciq147] [Citation(s) in RCA: 508] [Impact Index Per Article: 39.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Abstract
This document updates and expands the initial Infectious Diseases Society of America (IDSA) Fever and Neutropenia Guideline that was published in 1997 and first updated in 2002. It is intended as a guide for the use of antimicrobial agents in managing patients with cancer who experience chemotherapy-induced fever and neutropenia.
Recent advances in antimicrobial drug development and technology, clinical trial results, and extensive clinical experience have informed the approaches and recommendations herein. Because the previous iteration of this guideline in 2002, we have a developed a clearer definition of which populations of patients with cancer may benefit most from antibiotic, antifungal, and antiviral prophylaxis. Furthermore, categorizing neutropenic patients as being at high risk or low risk for infection according to presenting signs and symptoms, underlying cancer, type of therapy, and medical comorbidities has become essential to the treatment algorithm. Risk stratification is a recommended starting point for managing patients with fever and neutropenia. In addition, earlier detection of invasive fungal infections has led to debate regarding optimal use of empirical or preemptive antifungal therapy, although algorithms are still evolving.
What has not changed is the indication for immediate empirical antibiotic therapy. It remains true that all patients who present with fever and neutropenia should be treated swiftly and broadly with antibiotics to treat both gram-positive and gram-negative pathogens.
Finally, we note that all Panel members are from institutions in the United States or Canada; thus, these guidelines were developed in the context of North American practices. Some recommendations may not be as applicable outside of North America, in areas where differences in available antibiotics, in the predominant pathogens, and/or in health care–associated economic conditions exist. Regardless of venue, clinical vigilance and immediate treatment are the universal keys to managing neutropenic patients with fever and/or infection.
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Affiliation(s)
- Alison G. Freifeld
- Department of Medicine, University of Nebraska Medical Center, Omaha, Nebraska
| | - Eric J. Bow
- Departments of Medical Microbiology and Internal Medicine, the University of Manitoba, and Infection Control Services, Cancer Care Manitoba, Winnipeg, Manitoba, Canada
| | - Kent A. Sepkowitz
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York
| | - Michael J. Boeckh
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research, Seattle, Washington
| | - James I. Ito
- Division of Infectious Diseases, City of Hope National Medical Center, Duarte, California
| | - Craig A. Mullen
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York
| | - Issam I. Raad
- Department of Infectious Diseases, Infection Control and Employee Health, The University of Texas M.D. Anderson Cancer Center, Houston, Texas
| | - Kenneth V. Rolston
- Department of Infectious Diseases, Infection Control and Employee Health, The University of Texas M.D. Anderson Cancer Center, Houston, Texas
| | - Jo-Anne H. Young
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - John R. Wingard
- Division of Hematology/Oncology, University of Florida, Gainesville, Florida
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Lee DG, Kim SH, Kim SY, Kim CJ, Min CK, Park WB, Park YJ, Song YG, Jang JS, Jang JH, Jin JY, Choi JH. Evidence-based Guidelines for Empirical Therapy of Neutropenic Fever in Korea. Infect Chemother 2011. [DOI: 10.3947/ic.2011.43.4.285] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Dong-Gun Lee
- National Evidence-based Healthcare Collaborating Agency, Seoul, Korea
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung-Han Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Soo Young Kim
- Department of Family Medicine, Hallym University College of Medicine, Chuncheon, Korea
| | - Chung-Jong Kim
- National Evidence-based Healthcare Collaborating Agency, Seoul, Korea
| | - Chang-Ki Min
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Wan Beom Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Yeon-Joon Park
- Department of Laboratory Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Young Goo Song
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Joung-Soon Jang
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Jun Ho Jang
- Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jong Youl Jin
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jung-Hyun Choi
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
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24
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Joo EJ, Kang CI, Ha YE, Park SY, Kang SJ, Joung MK, Kang WK, Chung DR, Peck KR, Song JH. Clinical outcome of catheter salvage in neutropenic cancer patients with catheter-related infection. ACTA ACUST UNITED AC 2010; 43:258-63. [PMID: 21189047 DOI: 10.3109/00365548.2010.544669] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Catheter-related infections (CRI) cause significant morbidity and mortality in cancer patients, particularly during episodes of chemotherapy-induced neutropenia. This study was performed to evaluate clinical features and outcomes of CRI in neutropenic cancer patients. METHODS We retrospectively analyzed clinical characteristics and outcome of febrile neutropenic cancer patients with CRI who visited the emergency department from January 1996 to June 2007. RESULTS A total of 51 neutropenic cancer patients with CRI were identified and 53 organisms were isolated from culture specimens. The mean ± standard deviation patient age was 50 ± 15 y and the most common underlying disease was lymphoma (n = 27, 53%). Gram-positive organisms accounted for 77% of all isolated pathogens (41/53). Initial catheter salvage was attempted in 38 episodes of CRI, of which 20 were successful. In the current study the overall success rate of catheter salvage attempts was 52.6%. The failure rate of catheter salvage was significantly higher in CRI caused by Gram-negative pathogens than by Gram-positive pathogens. CONCLUSION Although catheter salvage should be cautiously attempted for cancer patients with CRI, it might not be a treatment option for neutropenic cancer patients with CRI caused by Gram-negative bacteria.
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Affiliation(s)
- Eun-Jeong Joo
- Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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25
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Ryder MP, Schilke KF, Auxier JA, McGuire J, Neff JA. Nisin adsorption to polyethylene oxide layers and its resistance to elution in the presence of fibrinogen. J Colloid Interface Sci 2010; 350:194-9. [PMID: 20619847 PMCID: PMC2918692 DOI: 10.1016/j.jcis.2010.06.038] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2010] [Revised: 06/15/2010] [Accepted: 06/15/2010] [Indexed: 11/20/2022]
Abstract
The adsorption and elution of the antimicrobial peptide nisin at silanized silica surfaces coated to present pendant polyethylene oxide chains was detected in situ by zeta potential measurements. Silica microspheres were treated with trichlorovinylsilane to introduce hydrophobic vinyl groups, followed by self assembly of the polyethylene oxide-polypropylene oxide-polyethylene oxide (PEO-PPO-PEO) triblock surfactant Pluronic F108, or an F108 derivative with nitrilotriacetic acid end groups. Triblock-coated microspheres were gamma-irradiated to covalently stabilize the PPO-surface association. PEO layer stability was evaluated by triblock resistance to elution by SDS, and layer uniformity was evaluated by fibrinogen repulsion. Introduction of nisin to uncoated or triblock-coated microspheres produced a significant positive change in surface charge (zeta potential) as a result of adsorption of the cationic peptide. In sequential adsorption experiments, the introduction of fibrinogen to nisin-loaded triblock layers caused a decrease in zeta potential that was consistent with partial elution of nisin and/or preferential location of fibrinogen at the interface. This change was substantially more pronounced for uncoated than triblock-coated silica, indicating that the PEO layer offers enhanced resistance to nisin elution.
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Affiliation(s)
- Matthew P. Ryder
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR 97331
| | - Karl F. Schilke
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR 97331
| | - Julie A. Auxier
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR 97331
| | - Joseph McGuire
- School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR 97331
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26
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Park KH, Cho OH, Lee SO, Choi SH, Kim YS, Woo JH, Kim MN, Lee DH, Suh C, Kim DY, Lee JH, Lee JH, Lee KH, Kim SH. Outcome of attempted Hickman catheter salvage in febrile neutropenic cancer patients with Staphylococcus aureus bacteremia. Ann Hematol 2010; 89:1163-9. [DOI: 10.1007/s00277-010-1004-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Accepted: 05/20/2010] [Indexed: 11/28/2022]
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27
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Fernandez-Hidalgo N, Gavalda J, Almirante B, Martin MT, Lopez Onrubia P, Gomis X, Pahissa A. Evaluation of linezolid, vancomycin, gentamicin and ciprofloxacin in a rabbit model of antibiotic-lock technique for Staphylococcus aureus catheter-related infection. J Antimicrob Chemother 2010; 65:525-30. [DOI: 10.1093/jac/dkp499] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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28
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Neves Junior MAD, Melo RC, Goes Junior AMDO, Protta TR, Almeida CCD, Fernandes AR, Petnys A, Raboni E. Infecções em cateteres venosos centrais de longa permanência: revisão da literatura. J Vasc Bras 2010. [DOI: 10.1590/s1677-54492010000100008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Cateteres venosos de longa permanência são amplamente utilizados em pacientes com necessidade de acesso venoso por período prolongado. A infecção relacionada a esses cateteres permanece um desafio na prática clínica. Revisamos a literatura acerca da epidemiologia e tratamento das infecções relacionadas a cateteres. Staphylococcus aureus é a bactéria mais comumente isolada. Os cateteres semi-implantáveis apresentam taxas de infecção maiores que os totalmente implantáveis. O tratamento pode ser feito com locks, antibioticoterapia sistêmica e até mesmo com retirada do cateter, dependendo do tipo de infecção, do microrganismo isolado e das condições clínicas do paciente. O salvamento do cateter deve ser tentado sempre que possível.
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Affiliation(s)
| | | | | | | | | | | | | | - Edgar Raboni
- Hospital do Servidor Público Municipal de São Paulo
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29
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Jauch KW, Schregel W, Stanga Z, Bischoff SC, Brass P, Hartl W, Muehlebach S, Pscheidl E, Thul P, Volk O. Access technique and its problems in parenteral nutrition - Guidelines on Parenteral Nutrition, Chapter 9. GERMAN MEDICAL SCIENCE : GMS E-JOURNAL 2009; 7:Doc19. [PMID: 20049083 PMCID: PMC2795383 DOI: 10.3205/000078] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2009] [Indexed: 02/08/2023]
Abstract
Catheter type, access technique, and the catheter position should be selected considering to the anticipated duration of PN aiming at the lowest complication risks (infectious and non-infectious). Long-term (>7-10 days) parenteral nutrition (PN) requires central venous access whereas for PN <3 weeks percutaneously inserted catheters and for PN >3 weeks subcutaneous tunnelled catheters or port systems are appropriate. CVC (central venous catheter) should be flushed with isotonic NaCl solution before and after PN application and during CVC occlusions. Strict indications are required for central venous access placement and the catheter should be removed as soon as possible if not required any more. Blood samples should not to be taken from the CVC. If catheter infection is suspected, peripheral blood-culture samples and culture samples from each catheter lumen should be taken simultaneously. Removal of the CVC should be carried out immediately if there are pronounced signs of local infection at the insertion site and/or clinical suspicion of catheter-induced sepsis. In case PN is indicated for a short period (max. 7-10 days), a peripheral venous access can be used if no hyperosmolar solutions (>800 mosm/L) or solutions with a high titration acidity or alkalinity are used. A peripheral venous catheter (PVC) can remain in situ for as long as it is clinically required unless there are signs of inflammation at the insertion site.
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Affiliation(s)
- K W Jauch
- Dept. Surgery Grosshadern, University Hospital, Munich, Germany
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Risk factors for recurrence after Staphylococcus aureus bacteraemia. A retrospective matched case–control study. J Infect 2009; 58:411-6. [DOI: 10.1016/j.jinf.2009.03.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2009] [Revised: 03/24/2009] [Accepted: 03/25/2009] [Indexed: 11/20/2022]
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Garau J, Bouza E, Chastre J, Gudiol F, Harbarth S. Management of methicillin-resistant Staphylococcus aureus infections. Clin Microbiol Infect 2009; 15:125-36. [PMID: 19291144 DOI: 10.1111/j.1469-0691.2009.02701.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review addresses selected aspects of the management of severe healthcare-associated infections due to methicillin-resistant Staphylococcus aureus (MRSA), including the limitations of current therapy, potential alternative agents, new therapeutic options, clinical approaches to MRSA bacteraemia/endocarditis and ventilator-associated pneumonia, and strategies to improve outcomes in patients with severe MRSA infections.
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Affiliation(s)
- J Garau
- Department of Medicine, Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain.
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Gudiol F, Aguado JM, Pascual A, Pujol M, Almirante B, Miró JM, Cercenado E, Domínguez MDLA, Soriano A, Rodríguez-Baño J, Vallés J, Palomar M, Tornos P, Bouza E. [Consensus document for the treatment of bacteremia and endocarditis caused by methicillin-resistent Staphylococcus aureus. Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica]. Enferm Infecc Microbiol Clin 2009; 27:105-15. [PMID: 19254641 DOI: 10.1016/j.eimc.2008.09.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2008] [Accepted: 12/10/2008] [Indexed: 12/15/2022]
Abstract
Bacteremia and endocarditis due to methicillin-resistant Staphylococcus aureus (MRSA) are prevalent and clinically important. The rise in MRSA bacteremia and endocarditis is related with the increasing use of venous catheters and other vascular procedures. Glycopeptides have been the reference drugs for treating these infections. Unfortunately their activity is not completely satisfactory, particularly against MRSA strains with MICs > 1 microg/mL. The development of new antibiotics, such as linezolid and daptomycin, and the promise of future compounds (dalvabancin, ceftobiprole and telavancin) may change the expectatives in this field.The principal aim of this consensus document was to formulate several recommendations to improve the outcome of MRSA bacteremia and endocarditis, based on the latest reported scientific evidence. This document specifically analyzes the approach for three clinical situations: venous catheter-related bacteremia, persistent bacteremia, and infective endocarditis due to MRSA.
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Affiliation(s)
- Francisco Gudiol
- Servicio de Enfermedades Infecciosas, IDIBELL, Hospital Universitario de Bellvitge, Barcelona, España
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Del Pozo JL, Alonso M, Serrera A, Hernaez S, Aguinaga A, Leiva J. Effectiveness of the antibiotic lock therapy for the treatment of port-related enterococci, Gram-negative, or Gram-positive bacilli bloodstream infections. Diagn Microbiol Infect Dis 2009; 63:208-12. [DOI: 10.1016/j.diagmicrobio.2008.10.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2008] [Revised: 09/23/2008] [Accepted: 10/05/2008] [Indexed: 10/21/2022]
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34
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Wolf HH, Leithäuser M, Maschmeyer G, Salwender H, Klein U, Chaberny I, Weissinger F, Buchheidt D, Ruhnke M, Egerer G, Cornely O, Fätkenheuer G, Mousset S. Central venous catheter-related infections in hematology and oncology. Ann Hematol 2008; 87:863-76. [DOI: 10.1007/s00277-008-0509-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2007] [Accepted: 05/10/2008] [Indexed: 10/21/2022]
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35
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Abstract
Whole body biophotonic imaging (BPI) is a technique that has contributed significantly to the way researchers study bacterial pathogens and develop pre-clinical treatments to combat their ensuing infections in vivo. Not only does this approach allow disease profiles and drug efficacy studies to be conducted non-destructively in live animals over the entire course of the disease, but in many cases, it enables investigators to observe disease profiles that could otherwise easily be missed using conventional methodologies. The principles of this technique are that bacterial pathogens engineered to express bioluminescence (visible light) can be readily monitored from outside of the living animal using specialized low-light imaging equipment, enabling their movement, expansion and treatment to be seen completely non-invasively. Moreover, because the same group of animals can be imaged at each time-point throughout the study, the overall number of animals used is dramatically reduced, saving lives, time, and money. Also, as each animal acts as its own control over time, the issues associated with animal-to-animal variation are circumvented, thus improving the quality of the biostatistical data generated. The ability to monitor infections in vivo in a longitudinal fashion is especially appealing to assess chronic infections such as those involving implanted devices. Typically, bacteria grow as biofilms on these foreign bodies and are reputably difficult to monitor with conventional methods. Because of the non-destructive and non-invasive nature of BPI, the procedure can be performed repeatedly in the same animal, allowing the biofilm to be studied in situ without detachment or disturbance. This ability not only allows unique patterns of disease relapse to be seen following termination of antibiotic therapy but also in vivo resistance development during prolonged treatment, both of which are common occurrences with device-related infections. This chapter describes the bioluminescent engineering of both Gram-positive and Gram-negative bacteria and overviews their use in device-associated infections in several anatomical sites in a variety of animal models.
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Tai YC, Joshi P, McGuire J, Neff JA. Nisin adsorption to hydrophobic surfaces coated with the PEO-PPO-PEO triblock surfactant Pluronic F108. J Colloid Interface Sci 2008; 322:112-8. [PMID: 18359037 DOI: 10.1016/j.jcis.2008.02.053] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Revised: 02/24/2008] [Accepted: 02/26/2008] [Indexed: 10/22/2022]
Abstract
The adsorption and elution of the antimicrobial peptide nisin at hydrophobic, silanized silica surfaces coated with the poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) surfactant Pluronic F108 were measured in situ, with ellipsometry. While such layers are known to inhibit protein adsorption, nisin was observed to adsorb in multilayer quantities, to an extent similar to its adsorption at uncoated, hydrophobic surfaces. The rates of nisin adsorption and elution were generally slower at F108-coated surfaces. And, the sequential adsorption of nisin, including two adsorption-elution cycles at each surface, showed greater differences in adsorption rates between the first and second adsorption cycles, when evaluated at identical mass density, for uncoated relative to F108-coated surfaces. These results indicate that nisin adsorption occurs via "entrapment" within the PEO brush layer at F108-coated surfaces, in this way slowing adsorption and spontaneous elution, and inhibiting post-adsorptive molecular rearrangements by reducing the lateral mobility of nisin. While F108-coated layers rejected adsorption of serum albumin, sequential adsorption experiments carried out with nisin and albumin showed a low level of albumin adsorption when nisin was present at the interface.
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Affiliation(s)
- Yuan-Ching Tai
- Department of Chemical Engineering, Oregon State University, Corvallis, OR 97331, USA
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37
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Lyon SM, Given M, Marshall NL. Interventional radiology in the provision and maintenance of long-term central venous access. J Med Imaging Radiat Oncol 2008; 52:10-7. [DOI: 10.1111/j.1440-1673.2007.01904.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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38
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Kamha A. MICU: Unusual Cause of Low Back Pain. Qatar Med J 2007. [DOI: 10.5339/qmj.2007.2.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A sixty years old patient, known case of chronic renal failure on regular hemodialysis through long term intravascular catheter was admitted with fever. Blood culture revealed staphylococcus aureus bacteremia (MSSA).
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Affiliation(s)
- A. Kamha
- Medical Intensive Care Unit, Department of Medicine Hamad Medical Corporation, Doha, Qatar
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Raad I, Hanna H, Maki D. Intravascular catheter-related infections: advances in diagnosis, prevention, and management. THE LANCET. INFECTIOUS DISEASES 2007; 7:645-57. [PMID: 17897607 DOI: 10.1016/s1473-3099(07)70235-9] [Citation(s) in RCA: 321] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Indwelling vascular catheters are a leading source of bloodstream infections in critically ill patients and cancer patients. Because clinical diagnostic criteria are either insensitive or non-specific, such infections are often overdiagnosed, resulting in unnecessary and wasteful removal of the catheter. Catheter-sparing diagnostic methods, such as differential quantitative blood cultures and time to positivity have emerged as reliable diagnostic techniques. Novel preventive strategies include cutaneous antisepsis, maximum sterile barrier, use of antimicrobial catheters, and antimicrobial catheter lock solution. Management of catheter-related bloodstream infections involves deciding on catheter removal, antimicrobial catheter lock solution, and the type and duration of systemic antimicrobial therapy. Such decisions depend on the identity of the organism causing the bloodstream infection, the clinical and radiographical manifestations suggesting a complicated course, the underlying condition of the host (neutropenia, thrombocytopenia), and the availability of other vascular access sites.
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Affiliation(s)
- Issam Raad
- Department of Infectious Diseases, Infection Control and Employee Health, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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40
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Raad I, Hachem R, Hanna H, Bahna P, Chatzinikolaou I, Fang X, Jiang Y, Chemaly RF, Rolston K. Sources and outcome of bloodstream infections in cancer patients: the role of central venous catheters. Eur J Clin Microbiol Infect Dis 2007; 26:549-56. [PMID: 17582536 DOI: 10.1007/s10096-007-0320-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Simultaneously drawn quantitative blood cultures are used to diagnose catheter-related bloodstream infections. We conducted this study to determine the frequency with which central venous catheters were the source of bloodstream infections detected through paired positive blood cultures drawn from cancer patients and the potential for quantitative blood cultures to help predict outcome in neutropenic and non-neutropenic patients. From September 1999 to November 2000, we identified 169 patients with bloodstream infections. Of all bloodstream infections, 56% were catheter-related bloodstream infections. Gram-positive bacteremia was found to be catheter-related in 55% and 69% of patients with hematologic malignancy and solid tumors, respectively, whereas gram-negative bacteremia was catheter-related in only 19% of patients with underlying hematologic malignancy and in 60% of patients with solid tumor (P = 0.01). By multivariate analysis, poor response was associated with critical illness and persistent neutropenia (P < 0.01). In neutropenic patients with catheter-related bloodstream infections, peripheral quantitative blood cultures of >or=100 CFU/mL was also associated with poor response (P = 0.05). Central venous catheters were the major source of bloodstream infection, particularly in patients with solid tumors. In addition to critical illness and persistent neutropenia, quantitative blood cultures might be useful in predicting outcomes for neutropenic patients with catheter-related bloodstream infections.
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Affiliation(s)
- I Raad
- Department of Infectious Diseases, Infection Control and Employee Health, Unit 402, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77230-1402, USA.
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41
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Cherifi S, Jacobs F, Strale H, Struelens M, Byl B. Outcome of totally implantable venous access device-related bacteraemia without device removal. Clin Microbiol Infect 2007; 13:592-8. [PMID: 17378932 DOI: 10.1111/j.1469-0691.2007.01699.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The optimal management of bacteraemia related to the presence of totally implantable venous access devices (TIVADs) remains controversial, particularly in terms of whether to remove the infected catheter. The objective of this study was to determine the factors associated with success or failure of treatment of TIVAD-related bacteraemia in patients from whom the infected device was not removed. The outcome of 92 episodes of TIVAD-related bacteraemia and the factors predictive of an unfavourable outcome were evaluated retrospectively. In 32 (35%) episodes, the devices were removed immediately. In 60 episodes, patients were treated with antibiotics infused through the device; treatment was successful in 56% of these cases (66% for infections caused by coagulase-negative staphylococci). Only the presence of sepsis (OR 9.42, 95% CI 1.29-68.92, p 0.0271) and of local signs of infection (OR 9.61, 95% CI 1.98-46.49, p 0.0049) independently predicted the failure of catheter-retaining treatment. Finally, only one-third of the devices were retained. In conclusion, the large number of TIVADs that are removed because of infection justifies reconsidering the criteria for device removal. During catheter-retaining treatment, the presence of local signs of infection or reported sepsis were independent factors for reduced probability of retaining the device.
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Affiliation(s)
- S Cherifi
- Infectious Diseases Department, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
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Cherifi S, Jacobs F, Strale H, Struelens M, Byl B. Outcome of totally implantable venous access device-related bacteraemia without device removal. Clin Microbiol Infect 2007. [DOI: 10.1111/j.1198-743x.2007.01699.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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44
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Ghanem GA, Boktour M, Warneke C, Pham-Williams T, Kassis C, Bahna P, Aboufaycal H, Hachem R, Raad I. Catheter-related Staphylococcus aureus bacteremia in cancer patients: high rate of complications with therapeutic implications. Medicine (Baltimore) 2007; 86:54-60. [PMID: 17220756 DOI: 10.1097/md.0b013e318030d344] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Risk factors for complications of catheter-related Staphylococcus aureus bacteremia (CRSAB) have been studied in the general patient population but have not been well defined in cancer patients. We investigated potential risk factors for intravascular and extravascular complications in these patients. We retrospectively reviewed the records of patients with CRSAB hospitalized at our institution between January 2001 and December 2004. Demographic, clinical, laboratory, and microbiologic characteristics were extracted for the period of hospitalization and up to 3 months thereafter. Intravascular complications were defined as infective endocarditis and/or septic thrombosis. Extravascular complications included septic arthritis, deep tissue abscess, osteomyelitis, septic pulmonary emboli, septic shock, and CRSAB-related death. Ninety-one patients were included in the current study; 63% had solid tumors and the remainder had hematologic malignancies. The incidence of overall complications was 40% (n = 36); 19% (n = 17) were intravascular. On multivariate analysis, renal failure was associated with an increased risk of overall complications (odds ratio [OR], 12.78; 95% confidence interval [CI], 1.43-114.29; p = 0.0226). Patients with solid tumors were more likely to have intravascular complications (OR, 5.47; 95% CI, 1.11-27.01; p = 0.04369). Risk factors for extravascular complications included hematologic malignancy (OR, 9.56; 95% CI, 2.36-38.77; p = 0.0016) and female sex (OR, 5.25; 95% CI, 1.2-22.99; p = 0.0279). Renal failure is a risk factor for CRSAB complications in patients with cancer. Patients with solid tumors and CRSAB tend to develop intravascular complications, while patients with hematologic malignancies are prone to develop extravascular complications. Hence consideration should be given to extending the duration of therapy beyond 2 weeks.
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Affiliation(s)
- Ghazi A Ghanem
- From Department of Infectious Diseases (GAG, MB, TPW, PB, HA, RH, IR) and Department of Biostatistics and Applied Math (CW), The University of Texas M. D. Anderson Cancer Center, Houston, Texas; and Department of Internal Medicine (CK), Staten Island University Hospital, Staten Island, New York
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45
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Brown EM, Edwards RJ, Pople IK. Conservative Management of Patients with Cerebrospinal Fluid Shunt Infections. Neurosurgery 2006; 58:657-65; discussion 657-65. [PMID: 16575329 DOI: 10.1227/01.neu.0000204126.54417.46] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
AbstractOBJECTIVE:In patients with cerebrospinal fluid (CSF) shunt infection, removal of the shunt and antibiotic administration is the current standard of care. In 1986, we developed a protocol for the conservative management of patients with infected but functioning shunts. Treatment was based on the administration of a combination of intraventricular and systemic antibiotics. Intraventricular antibiotics were instilled via a separate access device. The purpose of this report is to describe our experience with this therapeutic intervention.METHODS:An observational study of all patients treated for CSF shunt infection between 1986 and 2003 was undertaken. Cure was defined by sterile CSF after completion of therapy and sterile shunt components at next revision or long-term freedom from recurrent infection (follow-up period, 6–88 mo).RESULTS:In total, 43 of 122 patients with CSF shunt infections were treated conservatively according to our protocol. Overall, 84% of these patients were cured, with a 92% success rate for patients with infections caused by bacteria other than Staphylococcus aureus. This included 30 coagulase-negative staphylococcal infections, of which two were treatment failures. We abandoned conservative treatment of patients with Staphylococcus aureus infections after early experience demonstrated that the success rate (four treatment failures in seven patients) was markedly lower than that for other pathogens. During the treatment and follow-up periods, there were three deaths, two of which were unrelated to shunt infection; treatment failure could not be completely excluded in the remaining patient. There was no toxicity related to intraventricular antibiotic administration. The incidence of shunt blockage among patients who were treated conservatively was not significantly different from that among a large cohort of patients with uninfected shunts. Ten patients received part of their courses of treatment as outpatients.CONCLUSION:The success rate of conservative management of patients with CSF shunt infections caused by coagulase-negative staphylococci is comparable with those in the published literature for patients treated conventionally. This form of management avoids surgical intervention, with its attendant risks, and is safe.
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Affiliation(s)
- Erwin M Brown
- Department of Medical Microbiology, Frenchay Hospital, Bristol, United Kingdom.
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46
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Neuburger S, Maschmeyer G. Update on management of infections in cancer and stem cell transplant patients. Ann Hematol 2006; 85:345-56. [PMID: 16532331 DOI: 10.1007/s00277-005-0048-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2005] [Accepted: 11/11/2005] [Indexed: 10/24/2022]
Abstract
Infections are the most important causes of morbidity and mortality in patients with aggressive malignancies and those undergoing allogeneic stem cell transplantation. The introduction of new therapeutic approaches including the use of nucleoside analogs and of monoclonal antibodies to CD20 and CD52 and the increased use of matched unrelated stem cell donors has resulted in new challenges with regard to systemic viral and fungal infections. In patients with bacterial infections, emergence of resistance to formerly widely used antibiotics as well as a shift of causative pathogens towards a predominance of multi-resistant gram-positive cocci has to be taken into consideration. In high-risk neutropenic patients with fever of unknown origin, prompt empiric monotherapy with piperacillin-tazobactam, cefepime, ceftazidime, or a carbapenem is mandatory. In patients with lung infiltrates, early preemptive intervention with an antifungal active against aspergilli is recommended, whereas in patients with catheter-related, skin or soft tissue infections, preemptive addition of a glycopeptide shows a high response rate. The prompt preemptive use of ganciclovir or foscarnet in allogeneic stem cell transplant recipients can reliably be guided by serial monitoring of cytomegalovirus antigen and polymerase chain reaction monitoring.
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Affiliation(s)
- Stefan Neuburger
- Department of Hematology and Oncology, Charité University Hospital, Campus Virchow-Klinikum, Augustenburger Platz 1, 13353 Berlin, Germany.
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47
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von Eiff C, Jansen B, Kohnen W, Becker K. Infections associated with medical devices: pathogenesis, management and prophylaxis. Drugs 2005; 65:179-214. [PMID: 15631541 DOI: 10.2165/00003495-200565020-00003] [Citation(s) in RCA: 262] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The insertion or implantation of foreign bodies has become an indispensable part in almost all fields of medicine. However, medical devices are associated with a definitive risk of bacterial and fungal infections. Foreign body-related infections (FBRIs), particularly catheter-related infections, significantly contribute to the increasing problem of nosocomial infections. While a variety of micro-organisms may be involved as pathogens, staphylococci account for the majority of FBRIs. Their ability to adhere to materials and to promote formation of a biofilm is the most important feature of their pathogenicity. This biofilm on the surface of colonised foreign bodies is regarded as the biological correlative for the clinical experience with FBRI, that is, that the host defence mechanisms often seem to be unable to handle the infection and, in particular, to eliminate the micro-organisms from the infected device. Since antibacterial chemotherapy is also frequently not able to cure these infections despite the use of antibacterials with proven in vitro activity, removal of implanted devices is often inevitable and has been standard clinical practice. However, in specific circumstances, such as infections of implanted medical devices with coagulase-negative staphylococci, a trial of salvage of the device may be justified. All FBRIs should be treated with antibacterials to which the pathogens have been shown to be susceptible. In addition to systemic antibacterial therapy, an intraluminal application of antibacterial agents, referred to as the 'antibiotic-lock' technique, should be considered to circumvent the need for removal, especially in patients with implanted long-term catheters. To reduce the incidence of intravascular catheter-related bloodstream infections, specific guidelines comprising both technological and nontechnological strategies for prevention have been established. Quality assurance, continuing education, choice of the catheter insertion site, hand hygiene and aseptic techniques are aspects of particular interest. Furthermore, all steps in the pathogenesis of biofilm formation may represent targets against which prevention strategies may be directed. Alteration of the foreign body material surface may lead to a change in specific and nonspecific interactions with micro-organisms and, thus, to a reduced microbial adherence. Medical devices made out of a material that would be antiadhesive or at least colonisation resistant would be the most suitable candidates to avoid colonisation and subsequent infection. Another concept for the prevention of FBRIs involves the impregnation of devices with various substances such as antibacterials, antiseptics and/or metals. Finally, further studies are needed to translate the knowledge on the mechanisms of biofilm formation into applicable therapeutic and preventive strategies.
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Affiliation(s)
- Christof von Eiff
- Institute of Medical Microbiology, University of Münster Hospital and Clinics, Domagkstrasse 10, 48149 Münster, Germany.
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Coyle VM, McMullan R, Morris TCM, Rooney PJ, Hedderwick S. Catheter-related bloodstream infection in adult haematology patients: catheter removal practice and outcome. J Hosp Infect 2004; 57:325-31. [PMID: 15262394 DOI: 10.1016/j.jhin.2004.04.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2003] [Accepted: 04/01/2004] [Indexed: 11/16/2022]
Abstract
The aim of the present study was to describe the practice of central venous catheter (CVC) removal and outcomes of catheter-related bloodstream infection (CR-BSI) in adult haematology patients. Patients were identified retrospectively according to diagnosis coding of inpatient episodes and evaluated when, on examination of medical records, there had been evidence of sepsis with strong clinical suspicion that the source was the CVC. Demographic and bacteriological data, as well as therapeutic measures and clinical outcomes, were recorded. One hundred and three patient episodes were evaluated. The most frequent type of CVC was the Hickman catheter and the most frequently isolated pathogen was coagulase-negative staphylococci. Twenty-five percent of episodes were managed with catheter removal. Treatment failure, defined as recurrence of infection within 90 days or mortality attributed to sepsis within 30 days, occurred significantly more frequently in the group managed without catheter removal (52.5% versus 4%, P < 0.05). Specifically, 90-day recurrence was more common when the catheter was retained (46% versus 0%). However the difference in 30-day attributable mortality (7% versus 4%) was not significantly different. Notably, no significant difference between the two groups emerged in respect of other measured characteristics that had been considered as potential determinants of outcome. More frequent CVC removal for CR-BSI, in this population, should be considered. Management of CR-BSI without catheter removal is associated with treatment failure, morbidity and carries significant resource implications.
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Affiliation(s)
- V M Coyle
- Department of Haematology, Belfast City Hospital, Lisburn Road, Belfast, Northern Ireland, UK
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49
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Crnich CJ, Maki DG. Are Antimicrobial-Impregnated Catheters Effective? Don't Throw Out the Baby with the Bathwater. Clin Infect Dis 2004; 38:1287-92. [PMID: 15127342 DOI: 10.1086/383470] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2003] [Accepted: 12/15/2003] [Indexed: 12/26/2022] Open
Abstract
The antimicrobial-impregnated central venous catheter (CVC) has been the most intensively studied technology for the prevention of CVC-related bloodstream infections (BSIs) over the past 30 years. Although more than a dozen randomized trials have shown significant benefit, authors of an analysis published in a recent issue of Clinical Infectious Diseases have raised questions about the efficacy of antimicrobial-impregnated CVCs because of perceived defects in the experimental design of the studies and statistical analyses of the data. They have further argued that even if this technology might be effective in preventing CVC-related BSI, its cost-effectiveness is questionable. Although most of the studies scrutinized by the authors of this analysis indeed had shortcomings, we believe that their analysis unjustifiably downplays a large body of research that has demonstrated a consistent reduction in CVC-related BSI and a clear-cut cost-effectiveness associated with the use of antimicrobial-impregnated CVCs.
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Affiliation(s)
- Christopher J Crnich
- Section of Infectious Diseases, Department of Medicine, University of Wisconsin Medical School, Madison, WI 53792, USA
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50
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Abstract
The pathogenesis, diagnosis, and management of central venous catheter infections differ between short-term and long-term catheters. This review summarizes available data regarding the diagnosis and management of catheter-related bloodstream infections (CRBSIs) associated with long-term catheters. A review of various diagnostic modalities is provided, including methods of CRBSI diagnosis for catheters that are retained. Management of CRBSIs for long-term catheters is also addressed, with an emphasis on differentiating infections that require catheter removal from those that may allow catheter salvage. Data regarding catheter salvage with use of antibiotic lock therapy are also reviewed.
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Affiliation(s)
- Keri Hall
- University of Virginia Health Sciences Center, Box 800473, Charlottesville, Virginia 22908, USA
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