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Halcomb EJ, Fernandez R, Griffiths R, Newton P, Hickman L. The infection control management of MRSA in acute care. INT J EVID-BASED HEA 2013; 6:440-67. [PMID: 21631837 DOI: 10.1111/j.1744-1609.2008.00115.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Background Many acute care facilities report endemic methicillin-resistant Staphylococcus aureus (MRSA), while others describe the occurrence of sporadic disease outbreaks. The timely implementation of effective infection control measures is essential to minimise the incidence of MRSA cases and the magnitude of disease outbreaks. Management strategies for the containment and control of MRSA currently vary between facilities and demonstrate varying levels of effectiveness. Objectives This review sought to systematically review the best available research regarding the efficacy of infection control practices in controlling endemic MRSA or MRSA outbreaks in the acute hospital setting. It updates an original review published in 2002. Search strategy A systematic search for relevant published or unpublished English language literature was undertaken using electronic databases, the reference lists of retrieved papers and the Internet. This extended the search of the original review. Databases searched included: Medline, CINAHL, EMBASE, Cochrane Library and Joanna Briggs Institute Evidence Library. Selection criteria All research reports published between 1990 and August 2005 in the English language that focused upon the infection control strategies that were implemented in response to either a nosocomial outbreak of MRSA or endemic MRSA within an acute clinical setting were included. Only studies that reported interventions which were implemented following the collection of baseline data were included. Data collection and analysis Two reviewers assessed each paper against the inclusion criteria and a validated quality scale. Data extraction was undertaken using a purposely designed tool. Given the heterogeneity of the interventions and outcomes measures, statistical comparisons of findings were not possible, therefore, the findings of this review are presented in a narrative format. Results Fourteen papers met the inclusion criteria for this review. Of these, 11 papers achieved a quality score above the threshold and were included in the review. Of the included papers, five describe MRSA outbreaks, while the remaining six describe endemic MRSA. All included studies used either exploratory descriptive or comparative designs. The varying combinations of interventions described in the included studies make it impossible to differentiate the efficacy of individual or even groups of interventions. The fact that most studies reported positive findings may reflect the bias towards publication of effective interventions. Implications for clinical practice This review provides evidence that the use of multifaceted strategies can reduce nosocomial MRSA transmission in both outbreaks of MRSA and settings where MRSA is endemic. The heterogeneous nature of the topic, combinations of interventions implemented and methodological weaknesses of the studies impairs the ability to aggregate data and develop specific recommendations for practice.
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Affiliation(s)
- Elizabeth J Halcomb
- School of Nursing & Midwifery, University of Western Sydney and Centre for Applied Nursing Research & Sydney South West Area Health, Liverpool, NSW and Centre for Cardiovascular & Chronic Care, Curtin University of Technology, Bentley, WA, Australia
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2
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Halcomb EJ, Griffiths R, Fernandez R. Role of MRSA reservoirs in the acute care setting. INT J EVID-BASED HEA 2012; 6:50-77. [PMID: 21631814 DOI: 10.1111/j.1744-1609.2007.00096.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Background Nosocomial infection remains the most common complication of hospitalisation. Despite infection control efforts, nosocomial methicillin-resistant Staphylococcus aureus (MRSA) transmission continues to rise. The associated costs of increased hospital stay and patient mortality cause considerable burden to the health system. Objectives This review sought to evaluate the role of reservoirs, particularly the environment and equipment commonly found in the clinical area, in the transmission of MRSA within the acute hospital. This review updates a review previously completed by the authors and published by the Joanna Briggs Institute (2002). Search strategy A systematic search for relevant published or unpublished literature was undertaken using electronic databases, the reference lists of retrieved papers and the Internet. This extended the search published in the original review. Databases searched included Medline (1966-August Week 1 2005), CINAHL (1982-August Week 1 2005), EMBASE (1996-Week 33), as well as the Cochrane Library (Issue 3, 2005) and the Joanna Briggs Institute Evidence Library (August 2005). Selection criteria All research reports published between 1990 and August 2005 in the English language that focused on the role of the environment and equipment commonly found in the clinical area on the nosocomial MRSA transmission in adult, paediatric or neonatal acute care settings were considered. Data collection and analysis Two reviewers assessed each paper against the inclusion criteria and a validated quality scale. Studies that scored less than the mean quality score were excluded from the review. Data extraction was undertaken using a tool designed specifically for this review. Statistical comparisons of findings were not possible, so findings are presented in a narrative form. Results Forty-two papers met the review inclusion criteria, of which 18 obtained a quality score above the threshold and are included in this review. Seven studies reported general investigations of MRSA in the clinical environment and 11 studies explored specific environmental aspects. All studies used exploratory, descriptive or comparative designs. The evidence suggests that MRSA strains within the environment often match those found in patients within that environment. MRSA can be found in the air around MRSA colonised or infected patients. The degree of airborne contamination is significantly increased by activities that promote airflow. Although the site of MRSA colonisation or infection can influence the degree of environmental contamination, these data are inconsistent. Therefore, there is limited evidence for tailoring infection control interventions based on the sites of MRSA colonisation or infection. The evidence suggests that the type of materials used in clinical equipment can influence the effectiveness of cleaning techniques. Current routine cleaning practices, including conventional terminal cleaning, do not necessarily effectively eradicate MRSA from the environment. This review demonstrates that there is a link between the environment and hospital equipment and the transmission of MRSA within the acute hospital setting. Further well-designed research is urgently required to explore the efficacy of specific cleaning and decontamination methods, staff compliance with infection control practices and the range of factors that affect the incidence of MRSA contamination of the environment and equipment commonly found in the clinical area.
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Affiliation(s)
- Elizabeth J Halcomb
- School of Nursing, University of Western Sydney, Sydney, New South Wales, Australia, Centre for Applied Nursing Research, New South Wales Centre for Evidence-Based Health Care (a collaborating centre of the Joanna Briggs Institute), Liverpool, New South Wales, Australia
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Synthesis, structural characterization and antibacterial activity of 2,6-diacetylpyridine bis(benzenesulfonohydrazide) Schiff bases and their copper(II) complexes. Polyhedron 2009. [DOI: 10.1016/j.poly.2009.06.059] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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4
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The infection control management of MRSA in acute care. INT J EVID-BASED HEA 2008. [DOI: 10.1097/01258363-200812000-00006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Fabiano TLT, de Ávila BHP, Dias CC, Maluta RP, de Ávila FA. Genetic similarity between staphylococcus sp isolated from human and hospital settings, and susceptibility to different antimicrobials. Braz J Microbiol 2008; 39:652-7. [PMID: 24031283 PMCID: PMC3768468 DOI: 10.1590/s1517-838220080004000010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2007] [Revised: 02/12/2008] [Accepted: 11/02/2008] [Indexed: 11/28/2022] Open
Abstract
One hundred and forty-three samples from human hands and hospital beds were collected at a teaching hospital in the city of Ribeirão Preto/SP by swabs, and placed in BHI broth. Following a 24 h incubation period at 37°C, they were seeded on Petri dishes containing Agar “Staphylococcus Medium 110”. Colonies typical of the genus Staphylococcus were collected and stored at 4°C until tested for catalase, mannitol, hemolysis, DNAse and coagulase. Strains were analyzed by RAPD-PCR to verify their similarity, and tested for sensitivity to ten different antibiotics. From the ninety-two isolated strains, 67 (72,8%) were coagulase- negative and 25 (27,2%) coagulase-positive. Similarity analysis showed a great heterogeneity among strains, but some presented 100% similarity. Resistance to oxacilin was encountered in 39 (42%) of the strains. Two coagulase-negative strains were resistant to vancomycin, and eleven (12%) were considered multiresistant. Measures such as hand disinfection of the staff and hospital beds and rationalization of antibiotic use could contribute to decrease pathogen transmission and selection pressure, diminishing the frequency and lethality of nosocomial infections.
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Affiliation(s)
- Telma Luciana Trovó Fabiano
- Programa de Pós-Graduação em Microbiologia Agropecuária, Universidade Estadual Paulista , Jaboticabal, SP , Brasil
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Willman A, Burke J, Smith LN, Sveinsdóttir H. Report: A report on patient safety in Europe: medication errors and hospital-acquired infection. J Res Nurs 2008. [DOI: 10.1177/1744987108095915] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Abstract The report ‘Patient Safety in Europe: Medication Errors and Hospital-acquired Infection’ was commissioned by the European Federation of Nurses Associations (EFN) in order to support its policy statement on Patient Safety. The report is authored by a working-group within the Workgroup of European Nurse Researchers and it is a snapshot of current work in the European areas surveyed. Medication errors and hospital-acquired infections are examined and a range of European studies are used as evidence. The result shows that studies on medication safety and nursing are few and they are heterogeneous in design making comparability between research reports difficult. Future research should capture the environmental and human context of error. WHO has identified hand hygiene as a major patient safety issue in relation to health care associated infections (HCAI) and there is general agreement in the literature that effective hand hygiene remains the most important initiative in the control of infection. To maximize EFNs lobbying function EFN and WENR should work together.
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Affiliation(s)
- Ania Willman
- School of Health Science, Blekinge Institute of Technology, Karlskrona, Sweden
| | - Jacqueline Burke
- School of Nursing, Midwifery and Health Systems, University College Dublin, Dublin, Ireland
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Fitzpatrick F, McIlvenny G, Oza A, Newcombe RG, Humphreys H, Cunney R, Murphy N, Ruddy R, Reid G, Bailie R, Lavelle C, Doherty L, Smyth ETM. Hospital infection society prevalence survey of Healthcare Associated Infection 2006: comparison of results between Northern Ireland and the Republic of Ireland. J Hosp Infect 2008; 69:265-73. [PMID: 18547678 DOI: 10.1016/j.jhin.2008.04.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2008] [Accepted: 04/11/2008] [Indexed: 10/22/2022]
Abstract
As part of the Third Healthcare Associated Infection (HCAI) Prevalence Survey of the United Kingdom and Ireland, HCAI point prevalence surveys were carried out in Northern Ireland (NI) and the Republic of Ireland (RoI). Here we explore the potential benefits of comparing results from two countries with different healthcare systems, which employed similar methodologies and identical HCAI definitions. Forty-four acute adult hospitals in the RoI and 15 in NI participated with a total of 11 185 patients surveyed (NI 3644 patients and RoI 7541). The overall HCAI prevalence was 5.4 and 4.9 in NI and the RoI, respectively. There was no significant difference in prevalence rates of HCAI, device-related HCAI or HCAI associated with bloodstream infection but there was a difference in meticillin-resistant Staphylococcus aureus-related HCAI (P = 0.02) between the two countries. There were significantly more urinary tract infections and Clostridium difficile infections recorded in NI (P = 0.002 and P < 0.001). HCAIs were more prevalent in patients aged >65 years and in the intensive care unit in both countries. HCAIs were also more prevalent if patients were mechanically ventilated, had had recent non-implant surgery (RoI) or had more recorded HCAI risk factors. This is the first time that HCAI prevalence rates have been directly compared between NI and the RoI. By closely examining similarities and differences between HCAI prevalence rates in both countries it is hoped that this will influence healthcare planning and at the same time reassure the public that HCAI is important and that measures are being taken to combat it.
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Affiliation(s)
- F Fitzpatrick
- Health Protection Surveillance Centre, Dublin, Ireland.
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8
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Role of MRSA reservoirs in the acute care setting. INT J EVID-BASED HEA 2008. [DOI: 10.1097/01258363-200803000-00004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Halcomb EJ, Fernandez R, Griffiths R, Newton PJ, Hickman L. The infection control management of MRSA in acute care. JBI LIBRARY OF SYSTEMATIC REVIEWS 2008; 6:67-111. [PMID: 27819923 DOI: 10.11124/01938924-200806020-00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Many acute care facilities report endemic methicillin-resistant Staphylococcus aureus (MRSA), while others describe the occurrence of sporadic disease outbreaks. The timely implementation of effective infection control measures is essential to minimise the incidence of MRSA cases and the magnitude of disease outbreaks. Management strategies for the containment and control of MRSA currently vary between facilities and demonstrate varying levels of effectiveness. OBJECTIVES This review sought to systematically review the best available research regarding the efficacy of infection control practices in controlling endemic MRSA or MRSA outbreaks in the acute hospital setting. It updates an original review published in 2002. SEARCH STRATEGY A systematic search for relevant published or unpublished English language literature was undertaken using electronic databases, the reference lists of retrieved papers and the Internet. This extended the search of the original review. Databases searched included: Medline, CINAHL, EMBASE, Cochrane Library and Joanna Briggs Institute Evidence Library. SELECTION CRITERIA All research reports published between 1990 and August 2005 in the English language that focused upon the infection control strategies that were implemented in response to either a nosocomial outbreak of MRSA or endemic MRSA within an acute clinical setting were included. Only studies that reported interventions which were implemented following the collection of baseline data were included. DATA COLLECTION AND ANALYSIS Two reviewers assessed each paper against the inclusion criteria and a validated quality scale. Data extraction was undertaken using a purposely designed tool. Given the heterogeneity of the interventions and outcomes measures, statistical comparisons of findings were not possible, therefore, the findings of this review are presented in a narrative format. RESULTS Fourteen papers met the inclusion criteria for this review. Of these, 11 papers achieved a quality score above the threshold and were included in the review. Of the included papers, five describe MRSA outbreaks, while the remaining six describe endemic MRSA. All included studies used either exploratory descriptive or comparative designs.The varying combinations of interventions described in the included studies make it impossible to differentiate the efficacy of individual or even groups of interventions. The fact that most studies reported positive findings may reflect the bias towards publication of effective interventions. IMPLICATIONS FOR CLINICAL PRACTICE This review provides evidence that the use of multifaceted strategies can reduce nosocomial MRSA transmission in both outbreaks of MRSA and settings where MRSA is endemic. The heterogeneous nature of the topic, combinations of interventions implemented and methodological weaknesses of the studies impairs the ability to aggregate data and develop specific recommendations for practice.
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Affiliation(s)
- Elizabeth J Halcomb
- 1. School of Nursing & Midwifery, University of Western Sydney 2. Centre for Applied Nursing Research & Sydney South West Area Health, Liverpool, NSW 3. Centre for Cardiovascular & Chronic Care, Curtin University of Technology, Bentley, WA, Australia
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Halcomb EJ, Griffiths R, Fernandez R. Role of MRSA reservoirs in the acute care setting. ACTA ACUST UNITED AC 2008; 6:633-685. [PMID: 27819853 DOI: 10.11124/01938924-200806160-00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
BACKGROUND Nosocomial infection remains the most common complication of hospitalisation. Despite infection control efforts, nosocomial methicillin-resistant Staphylococcus aureus (MRSA) transmission continues to rise. The associated costs of increased hospital stay and patient mortality cause considerable burden to the health system. OBJECTIVES This review sought to evaluate the role of reservoirs, particularly the environment and equipment commonly found in the clinical area, in the transmission of MRSA within the acute hospital. This review updates a review previously completed by the authors and published by the Joanna Briggs Institute (2002). SEARCH STRATEGY A systematic search for relevant published or unpublished literature was undertaken using electronic databases, the reference lists of retrieved papers and the Internet. This extended the search published in the original review.Databases searched included Medline (1966-August Week 1 2005), CINAHL (1982-August Week 1 2005), EMBASE (1996-Week 33), as well as the Cochrane Library (Issue 3, 2005) and the Joanna Briggs Institute Evidence Library (August 2005). SELECTION CRITERIA All research reports published between 1990 and August 2005 in the English language that focused on the role of the environment and equipment commonly found in the clinical area on the nosocomial MRSA transmission in adult, paediatric or neonatal acute care settings were considered. DATA COLLECTION AND ANALYSIS Two reviewers assessed each paper against the inclusion criteria and a validated quality scale. Studies that scored less than the mean quality score were excluded from the review. Data extraction was undertaken using a tool designed specifically for this review. Statistical comparisons of findings were not possible, so findings are presented in a narrative form. RESULTS Forty-two papers met the review inclusion criteria, of which 18 obtained a quality score above the threshold and are included in this review. Seven studies reported general investigations of MRSA in the clinical environment and 11 studies explored specific environmental aspects. All studies used exploratory, descriptive or comparative designs. The evidence suggests that MRSA strains within the environment often match those found in patients within that environment. MRSA can be found in the air around MRSA colonised or infected patients. The degree of airborne contamination is significantly increased by activities that promote airflow. Although the site of MRSA colonisation or infection can influence the degree of environmental contamination, these data are inconsistent. Therefore, there is limited evidence for tailoring infection control interventions based on the sites of MRSA colonisation or infection. The evidence suggests that the type of materials used in clinical equipment can influence the effectiveness of cleaning techniques. Current routine cleaning practices, including conventional terminal cleaning, do not necessarily effectively eradicate MRSA from the environment. This review demonstrates that there is a link between the environment and hospital equipment and the transmission of MRSA within the acute hospital setting. Further well-designed research is urgently required to explore the efficacy of specific cleaning and decontamination methods, staff compliance with infection control practices and the range of factors that affect the incidence of MRSA contamination of the environment and equipment commonly found in the clinical area.
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Affiliation(s)
- Elizabeth J Halcomb
- 1. School of Nursing, University of Western Sydney, Sydney, New South Wales, Australia 2. Centre for Applied Nursing Research, New South Wales Centre for Evidence-Based Health Care (a collaborating centre of the Joanna Briggs Institute), Liverpool, New South Wales, Australia 3 Originally published in the International Journal of Evidence-based Healthcare in 2008
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11
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Masunari A, Tavares LC. A new class of nifuroxazide analogues: Synthesis of 5-nitrothiophene derivatives with antimicrobial activity against multidrug-resistant Staphylococcus aureus. Bioorg Med Chem 2007; 15:4229-36. [PMID: 17419064 DOI: 10.1016/j.bmc.2007.03.068] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2007] [Revised: 03/17/2007] [Accepted: 03/20/2007] [Indexed: 11/28/2022]
Abstract
Hospital-acquired methicillin-resistant Staphylococcus aureus (MRSA) has been an increasing problem worldwide since the initial reports over 40 years ago. To examine new drug leads with potential antibacterial activities, 14 p-substituted benzoic acid [(5-nitro-thiophen-2-yl)-methylene]-hydrazides were designed, synthesized, and tested against standard and multidrug-resistant S. aureus strains by serial dilution tests. All compounds exhibited significant bacteriostatic activity and some of them also showed bactericidal activity. The results confirmed the potential of this class of compounds as an alternative for the development of selective antimicrobial agents.
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Affiliation(s)
- Andrea Masunari
- Laboratório de Planejamento e Desenvolvimento de Fármacos, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, Av. Prof. Lineu Prestes, 580, São Paulo, SP 05508-900, Brazil.
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Cunney R, Humphreys H, Murphy N. Survey of acute hospital infection control resources and services in the Republic of Ireland. J Hosp Infect 2006; 64:63-8. [PMID: 16835000 PMCID: PMC7132451 DOI: 10.1016/j.jhin.2006.04.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2005] [Accepted: 04/13/2006] [Indexed: 11/24/2022]
Abstract
Following the development of national guidelines on the control of antimicrobial resistance in 2001, a survey was carried out in 2003 of all 68 acute hospitals in the Republic of Ireland on resources available and current practice to control and prevent nosocomial infection. Completed questionnaires were received from 66 hospitals (97%). The median number of acute inpatient beds per hospital was 156; this was 522 in regional/tertiary referral centres. Only 31 (47%) hospitals had on-site consultant microbiologist sessions, and there was an infection control nurse in 56 (85%) hospitals. Eighteen (29%) hospitals had an occupational health physician, and 48 (73%) hospitals had an infection control committee. There was a median of one isolation room for every 16 acute beds, and a median of five rooms with en-suite bathroom facilities per hospital in those hospitals that provided data. All hospitals had documented infection control policies, and these were available in electronic format in 25 (38%) hospitals. Fifty-five (83%) hospitals undertook surveillance of nosocomial infection, and alcohol-based hand hygiene facilities were available, either at a handwashing sink or at the entrance to a ward, in 57 (86%) hospitals. In the Republic of Ireland, there remains a significant shortage of microbiologists/infection control doctors, occupational health physicians and infection control nurses. Isolation facilities are also inadequate. Although there is much agreement internationally on the importance of nosocomial infection and the priorities for surveillance, there are no agreed basic minimum standards for the resources and facilities necessary to control and prevent nosocomial infection.
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Affiliation(s)
- R Cunney
- Health Protection Surveillance Centre, Dublin, Ireland.
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Rodríguez-Baño J, Millán AB, Domínguez MA, Almirante B, Cercenado E, Padilla B, Pujol M. Medidas de control de Staphylococcus aureus resistente a meticilina en hospitales españoles. Encuesta del proyecto SARM 2003 GEIH/GEMARA/REIPI. Enferm Infecc Microbiol Clin 2006; 24:149-56. [PMID: 16606555 DOI: 10.1157/13086546] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Methicillin-resistant Staphylococcus aureus (MRSA) is one of the main nosocomial pathogens. The incidence of MRSA infections is increasing in Spain. The objective of this study was to investigate the measures used for surveillance and control of MRSA in a sample of Spanish hospitals. METHODS A questionnaire survey was done, including data on the incidence of MRSA infection/colonization for 2002, the microbiological methods used to study S. aureus susceptibility, and the use of control measures based on published guidelines. RESULTS Sixty-one hospitals with a catchment population of 16 million inhabitants participated. Automatic methods were most frequently used for routine susceptibility testing. The median incidence was 0.45 cases/100 admissions; this data could be obtained from only 70% of the centers. In 59%, the incidence was indicative of high transmission. Isolation precautions were indicated for all patients with MRSA in 95% of the hospitals; screening of carriers among patients was performed in 18% to 72%, depending on the circumstances. Health care workers from at least one unit had been screened in 52% of the hospitals during 2002. Mupirocin was used for the treatment of 90% of colonized persons. CONCLUSION There is considerable variation in the application of control measures in the hospitals surveyed. National guidelines with recommendations for MRSA control are needed in Spain.
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Affiliation(s)
- Jesús Rodríguez-Baño
- Sección de Enfermedades Infecciosas, Hospital Universitario Virgen Macarena, Sevilla, Spain.
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Strohal R, Schelling M, Takacs M, Jurecka W, Gruber U, Offner F. Nanocrystalline silver dressings as an efficient anti-MRSA barrier: a new solution to an increasing problem. J Hosp Infect 2005; 60:226-30. [PMID: 15896880 DOI: 10.1016/j.jhin.2005.04.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2004] [Accepted: 04/05/2005] [Indexed: 11/17/2022]
Abstract
The emergence of multi-drug-resistant strains of bacteria represents a particular challenge in the field of wound management. The aim of the current study was to investigate whether nanocrystalline silver dressings possess the physical properties to act as a barrier to the transmission of methicillin-resistant Staphylococcus aureus (MRSA) in the laboratory setting and in a clinical setting. Initially, MRSA suspension and colony culture experiments were performed showing that nanocrystalline silver dressings act as potent and sustained antimicrobial agents, efficiently inhibiting MRSA penetration. Subsequently, a double-centre clinical trial was initiated using nanocrystalline silver dressings as a cover for 10 MRSA colonized wounds in a total of seven patients. By delineating the MRSA load on the upper side of the dressing and the wound bed each time the dressing was changed (i.e. after 1, 24, 48 and 72 h), nanocrystalline silver dressings were found to provide a complete, or almost complete, barrier to the penetration/spread of MRSA in 95% of readings. In addition, 67% of all wound observations showed a decrease in the MRSA load with an eradication rate of 11%. We believe that nanocrystalline silver dressings may become an important part of local MRSA management, with cost benefits to both patients and the healthcare system.
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Affiliation(s)
- R Strohal
- Department of Dermatology, Federal Academic Hospital Feldkirch, A-6800 Feldkirch, Austria.
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Disinfection Policies in Hospitals and the Community. ANTIBIOTIC POLICIES 2005. [PMCID: PMC7122093 DOI: 10.1007/0-387-22852-7_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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