Relevant bibliographies by topics / Disinfection and disinfectants Hospital buildings

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Academic literature on the topic 'Disinfection and disinfectants Hospital buildings'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Disinfection and disinfectants Hospital buildings"

1

Totaro, Michele, Tommaso Mariotti, Costanza Bisordi, Erica De Vita, Paola Valentini, Anna Laura Costa, Beatrice Casini, Gaetano Privitera, and Angelo Baggiani. "Evaluation of Legionella pneumophila Decrease in Hot Water Network of Four Hospital Buildings after Installation of Electron Time Flow Taps." Water 12, no. 1 (January 11, 2020): 210. http://dx.doi.org/10.3390/w12010210.

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Legionella spp. control is a critical issue in hospital with old water networks. Chemical disinfection methods are applied as a control measure over prolonged time periods, but Legionella may be resistant to chemical agents in pipeworks with low flow and frequent water stagnation. We evaluated Legionella spp. colonization in the hot water network of Italian hospitals after the installation of time flow taps (TFTs). In the period between 2017 and 2019, TFTs were installed in four hospital water networks. They were programmed in order to obtain a hot water flow of 192 L/day from each TFTs. A continuous chlorination system (chlorine dioxide) and a cold water pre-filtration device were applied in all the buildings. Before and after TFT installation, Legionella spp. was investigated at scheduled times. Before TFT installation, Legionella pneumophila was detected in all the hospitals with counts ranging from 2 × 102 to 1.4 × 105 CFU/L. After TFT installation, a loss in Legionella pneumophila culturability was always achieved in the period between 24 h and 15 days. Total chlorine concentration (Cl2) was detected in the range between 0.23 and 0.36 mg/L while temperature values were from 44.8 to 53.2 °C. TFTs together with chemical disinfection represent a method which improve water quality and disinfectant efficacy, reducing Legionella colonization in dead-end sections.
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Girolamini, Luna, Silvano Salaris, Jessica Lizzadro, Marta Mazzotta, Maria Rosaria Pascale, Tiziana Pellati, and Sandra Cristino. "How Molecular Typing Can Support Legionella Environmental Surveillance in Hot Water Distribution Systems: A Hospital Experience." International Journal of Environmental Research and Public Health 17, no. 22 (November 21, 2020): 8662. http://dx.doi.org/10.3390/ijerph17228662.

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In this study, we aimed to associate the molecular typing of Legionella isolates with a culture technique during routine Legionella hospital environmental surveillance in hot water distribution systems (HWDSs) to develop a risk map able to be used to prevent nosocomial infections and formulate appropriate preventive measures. Hot water samples were cultured according to ISO 11731:2017. The isolates were serotyped using an agglutination test and genotyped by sequence-based typing (SBT) for Legionella pneumophila or macrophage infectivity potentiator (mip) gene sequencing for non-pneumophila Legionella species. The isolates’ relationship was phylogenetically analyzed. The Legionella distribution and level of contamination were studied in relation to temperature and disinfectant residues. The culture technique detected 62.21% of Legionella positive samples, characterized by L. pneumophila serogroup 1, Legionella non-pneumophila, or both simultaneously. The SBT assigned two sequence types (STs): ST1, the most prevalent in Italy, and ST104, which had never been isolated before. The mip gene sequencing detected L. anisa and L. rubrilucens. The phylogenetic analysis showed distinct clusters for each species. The distribution of Legionella isolates showed significant differences between buildings, with a negative correlation between the measured level of contamination, disinfectant, and temperature. The Legionella molecular approach introduced in HWDSs environmental surveillance permits (i) a risk map to be outlined that can help formulate appropriate disinfection strategies and (ii) rapid epidemiological investigations to quickly identify the source of Legionella infections.
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Di Martino, Giuseppina, Salvatore Pasqua, Bruno Douradinha, Francesco Monaco, Chiara Di Bartolo, Pier Giulio Conaldi, and Danilo D’Apolito. "Efficacy of Three Commercial Disinfectants in Reducing Microbial Surfaces’ Contaminations of Pharmaceuticals Hospital Facilities." International Journal of Environmental Research and Public Health 18, no. 2 (January 18, 2021): 779. http://dx.doi.org/10.3390/ijerph18020779.

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To evaluate and validate the efficacy of disinfectants used in our cleaning procedure, in order to reduce pharmaceutical hospital surfaces’ contaminations, we tested the action of three commercial disinfectants on small representative samples of the surfaces present in our hospital cleanrooms. These samples (or coupons) were contaminated with selected microorganisms for the validation of the disinfectants. The coupons were sampled before and after disinfection and the microbial load was assessed to calculate the Log10 reduction index. Subsequently, we developed and validated a disinfection procedure on real surfaces inside the cleanrooms intentionally contaminated with microorganisms, using approximately 107–108 total colony forming units per coupon. Our results showed a bactericidal, fungicidal, and sporicidal efficacy coherent to the acceptance criteria suggested by United States Pharmacopeia 35 <1072>. The correct implementation of our cleaning and disinfection procedure, respecting stipulated concentrations and contact times, led to a reduction of at least 6 Log10 for all microorganisms used. The proposed disinfection procedure reduced the pharmaceutical hospital surfaces’ contaminations, limited the propagation of microorganisms in points adjacent to the disinfected area, and ensured high disinfection and safety levels for operators, patients, and treated surfaces.
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Prakasam, Praveen Kumar, Namrata K. Bhosale, and K. S. Seetha. "Assessment of the routinely used surface disinfectants in hospital care settings by using different quantitative methods." Biomedicine 41, no. 2 (July 2, 2021): 256–59. http://dx.doi.org/10.51248/.v41i2.792.

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Introduction and Aim: Disinfectants play a vital role in the prevention of nosocomial infections. A variety of disinfectants with different mechanism of action are available in the market. Most of the hospitals and health care centres select the disinfectants trusting the claims made by the manufacturers which may not be authentic. Materials and Methods: Plenty of standardised in-house disinfection testing methods are available but because of their complex procedure most of them are not feasible. Thus, in our study we employed a simple “quantitative suspension method” for testing the efficiency of the disinfectants. Commercially available disinfectants- Srivlon, Emplura, Hospal-OT, and NICE were tested against three nosocomial pathogens - Pseudomonas aeruginosa, MRSA, and Candida albicans. Results: In this study, the commercial disinfectants wereacted effectively against all the three organisms. Hospal-OT had the maximum bactericidal activity followed bySrivlondisinfectant. Conclusion: Our study concluded that all the four commercial disinfectants were acted against the pathogens viz., Pseudomonas aeruginosa, MRSA and Candida albicans. Among four disinfectants, Srivlon needs a regular monitoring because of poor performance. Therefore, the proper usage of concentration and contact period of disinfectant will provide an efficient action against the pathogenic microbial population.
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Crow, Sue. "Product Commentary: Housekeeping Products: The Choice Is Yours." Infection Control & Hospital Epidemiology 9, no. 1 (January 1988): 40–41. http://dx.doi.org/10.1086/645731.

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For years, Infection Control Practitioners have been asked to identify the “ultimate” hospital::: disinfectant. Health care personnel seem to want a multipurpose product; one that can he used for handwashing for, instrument disinfection and for cleaning the commode. Simply stated, there is not one product that call successfully do all three. Antiseptic solutions, which are approved by the Food and Drug Administration are for use on skin (ie, handwashing and skirt preparation whereas disinfectants are for use in the inanimate environment and are approved by the Environmental Protection Agency.There are two classifications of' disinfectants housekeeping disinfectants and instrument disinfectants. Housekeeping disinfectants are generally low-level disinfectants, and quartenary ammonium compounds or phenol-based solutions are the most common. Instrument disinfectants are high-level disinfectants such as glutaraldehydes and chlorine dioxide.
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Shkromada, Oksana, Tatiana Fotina, Roman Petrov, Liudmyla Nagorna, Olexandr Bordun, Marina Barun, Olena Babenko, Maksym Karpulenko, Taras Tsarenko, and Vyacheslav Solomon. "Development of a method of protection of concrete floors of animal buildings from corrosion at the expense of using dry disinfectants." Eastern-European Journal of Enterprise Technologies 4, no. 6(112) (August 31, 2021): 33–40. http://dx.doi.org/10.15587/1729-4061.2021.236977.

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Concrete floors are most commonly used in animal housing. However, the specific environment of livestock buildings (moisture, urine, disinfectants) has a negative effect on concrete and leads to its corrosion. The influence of chemical and physical factors on concrete is reinforced by the development of microorganisms, which quickly adapt and use concrete as a living environment. To reduce the influence of an aggressive environment on the concrete floor, an experimental mixture of dry disinfectants was proposed. The components of the disinfection mixture have been selected taking into account the safety for animals and humans. The TPD-MS method was used to determine the change in the chemical composition of concrete. To study the microstructure of concrete, the method of scanning electron microscopy was used. Microbiological studies revealed bacteria A. Thiooxidans, S. aureus, E. coli, S. enteritidis, S. Сholeraesuis, C. Perfringen and micromycetes of the genus Cladosporium, Fusariums, Aspergillus, which contribute to the development of biological corrosion of concrete in livestock buildings. The fact of the negative impact of concentrated disinfectants on the structure of concrete was also established. As a result of the studies carried out, it was proved that a mixture of dry components for disinfection exhibits antimicrobial properties to varying degrees to the strains of field isolates of bacteria and fungi isolated in a pig-breeding farm. It was found that when using the proposed mixture of dry disinfectants in the research room of the pigsty, the relative humidity decreases by 38.5 %; ammonia content – by 46.2 %; hydrogen sulfide – by 57.8 %; microbial bodies – by 74.7 %, compared with the control room. It has been experimentally proven that the proposed mixture of dry disinfecting components has hygroscopic and antimicrobial properties and is promising for use in livestock farms.
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Heffelfinger, James D., Jacob L. Kool, Scott Fridkin, Victoria J. Fraser, Jeffrey Hageman, Joseph Carpenter, and Cynthia G. Whitney. "Risk of Hospital-Acquired Legionnaires' Disease in Cities Using Monochloramine Versus Other Water Disinfectants." Infection Control & Hospital Epidemiology 24, no. 8 (August 2003): 569–74. http://dx.doi.org/10.1086/502256.

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AbstractObjective:To measure the association between the disinfection of municipal drinking water with monochloramine and the occurrence of hospital-acquired legionnaires' disease (LD).Setting:One hundred sixty-six U.S. hospitals.Design:Survey of 459 members of the Society for Healthcare Epidemiology of America (SHEA) for hospital features; endemic- and outbreak-related, hospital-acquired LD; the source of the hospital water supply; and the methods of disinfection used by the hospitals and municipal water treatment plants.Results:SHEA members representing 166 (36%) of 459 hospitals responded; 33 (20%) reported one or more episodes of hospital-acquired LD during the period from 1994 to 1998 and 23 (14%) reported an outbreak of hospital-acquired LD during the period from 1989 to 1998. Hospitals with an occurrence of hospital-acquired LD had a higher census (median, 319 vs 221;P= .03), more acute care beds (median, 500 vs 376;P= .04), and more intensive care unit beds (median, 42 vs 24;P= .009) than did other hospitals. They were also more likely to have a transplant service (74% vs 42%;P= .001) and to perform surveillance for hospital-acquired disease (92% vs 61%;P= .001). After adjustment for the presence of a transplant program and surveillance for legionnaires' disease, hospitals supplied with drinking water disinfected with monochloramine by municipal plants were less likely to have sporadic cases or outbreaks of hospital-acquired LD (odds ratio, 0.20; 95% confidence interval, 0.07 to 0.56) than were other hospitals.Conclusion:Water disinfection with monochloramine by municipal water treatment plants significantly reduces the risk of hospital-acquired LD.
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Assis, Marcelo Souza de, Renata Alves de Andrade Moreira Araújo, and Angela Maria Moed Lopes. "Safety alert for hospital environments and health professional: chlorhexidine is ineffective for coronavirus." Revista da Associação Médica Brasileira 66, suppl 2 (2020): 124–29. http://dx.doi.org/10.1590/1806-9282.66.s2.124.

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SUMMARY An alarming fact was revealed by recent publications concerning disinfectants: chlorhexidine digluconate is ineffective for disinfecting surfaces contaminated by the new coronavirus. This is a finding that requires immediate disclosure since this substance is widely used for the disinfection of hands and forearms of surgeons and auxiliaries and in the antisepsis of patients in minimally invasive procedures commonly performed in hospital environments. The objective of this study is to compare the different disinfectants used for disinfection on several surfaces, in a review of worldwide works. Scientific studies were researched in the BVS (Virtual Health Library), PubMed, Medline, and ANVISA (National Health Surveillance Agency) databases. The following agents were studied: alcohol 62-71%, hydrogen peroxide 0.5%, sodium hypochlorite 0.1%, benzalkonium chloride 0.05-0.2%, povidone-iodine 10%, and chlorhexidine digluconate 0.02%, on metal, aluminum, wood, paper, glass, plastic, PVC, silicone, latex (gloves), disposable gowns, ceramic, and Teflon surfaces. Studies have shown that chlorhexidine digluconate is ineffective for inactivating some coronavirus subtypes, suggesting that it is also ineffective to the new coronavirus.
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9

Kozlovska, G. V. "ЧУТЛИВІСТЬ ЗБУДНИКА КИШКОВОГО ІЄРСИНІОЗУ ДО ДЕЗІНФЕКТАНТІВ." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 18, no. 3(71) (October 10, 2016): 144–47. http://dx.doi.org/10.15421/nvlvet7132.

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The article presents the results of a study of the inactivating action of modern disinfectants pathogen intestinal yersiniosis. Determine the sensitivity of the laboratory and field strains of Yersinia enterocolitica to drugs «Virosan» and «Biokontakt». Preparations intended for preventive disinfection of livestock buildings and facilities subject to veterinary supervision, items of artificial insemination, filling dezbarerov, as well as for disinfection of transport, processing of hatching eggs. As a result, three–time experiments conducted in similar conditions found that the drugs «Virosan» and «Biokontakt» are effective disinfectants in the case of pathogen Yersinia enterocolitica contamination of various objects (concrete, brick, wood and tile, metal). The studies found effective concentrations mentioned disinfectants and the exposure determined under what strains of Y. enterocolitica is completely inactivated. It was established that the preparation «Virosan» at a concentration of 0.1% has a bactericidal effect at 30 minutes, at a concentration of 0.2–0.5% – within 15 minutes. It is also found that the disinfectant «Biokontakt» ensures complete killing Y. enterocolitica in all test sites at a concentration of 0.01% within 30 minutes, at a concentration of 0.1 – 0.5% – bactericidal effects is apparent within 15 min. Differences in their antibacterial action on laboratory and field strains of the pathogen were observed.
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Серов, Алексей Андреевич, Н. В. V. Шестопалов, Т. В. V. Гололобова, Л. С. S. Федорова, И. А. A. Храпунова, and А. Д. D. Меркульева. "The role of disinfectological investigations in the management of the complex of preventive activities." Hygiene and sanitation 99, no. 3 (April 20, 2020): 235–41. http://dx.doi.org/10.47470/0016-9900-2020-99-3-235-241.

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Introduction. Among infectious agents associated with provision of medical care, resistant ones to disinfectants from various chemical groups are more often met. In this regard, disinfection measures carried out in a medical facility are not always effective enough. Material and methods. 9 strains of microorganisms were selected for research (Klebsiella pneumoniae -2 pcs., Enterococcus faecalis, Staphylococcus warneri, Serratia rubidaea, Staphylococcus sciuri, Enterobacter cloacae, Acinetobacter baumannii, Enterococcus faecium - per 1 pcs.), isolated from the objects of hospital environment in operating unit, intensive care and trauma units, as well as 5 samples of disinfectants from different chemical groups (on the basis of quaternary ammonium salt, tertiary amine and polyhexamethyleneguanidine; on the basis of sodium percarbonate with activator; on the basis of hydrogen peroxide and didecyldimethylammonium chloride; in the form of tablets on the basis of sodium salt sodium dichloroisocyanurate acid), used in the specified divisions of medical facities. The studies were performed in accordance with the methodology set out in methodology instructions MU 3.5.1.3439-17 “Assessment of sensitivity to disinfectants of microorganisms circulating in medical organizations.” Results. When conducting chemical-analytical studies of samples of disinfectants 4 samples out of 5 were found to have inconsistencies in one or another quality indices. The analysis of instructions on application of disinfectants 4 means from 5 were showed to have unreasonably underestimated modes of application. According to the results of the evaluation of the sensitivity of microorganisms to disinfectants, the majority of isolated microorganisms was found to have resistance to the studied disinfectants Conclusion. Based on the results of the study of sensitivity of microorganisms to disinfectants, a new tactic for improving disinfection measures is proposed for medical facilities: rotation of disinfectants and an enhanced system of microbiological monitoring of the sensitivity of microorganisms to disinfectants
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Dissertations / Theses on the topic "Disinfection and disinfectants Hospital buildings"

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McFarlane, Margaret R. "Glutaraldehyde hazard assessment and risk control in a hospital setting /." Online version, 1998. http://www.uwstout.edu/lib/thesis/1998/1998mcfarlanem.pdf.

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Nitschke, Monika. "Glutaraldehyde exposures and health effects among South Australian hospital nurses /." Title page, table of contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09MPM/09mpmn732.pdf.

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Huhman, Brett M. "Cold-fog based disinfection of an office environment using electrostatic-induction and ultraviolet light-enhancement." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4588.

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Thesis (M.S.)--University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 21, 2009) Includes bibliographical references.
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Hubbard, Heidi Fay. "Building disinfection chemistry: heterogeneous consumption of gaseous disinfecting agents and resulting by-product formation." Thesis, 2006. http://hdl.handle.net/2152/2532.

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Books on the topic "Disinfection and disinfectants Hospital buildings"

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Hoffman, P. N. Disinfection in healthcare. 3rd ed. Malden, Mass: Blackwell Pub., 2004.

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Denise, Sheard, ed. A practical guide to decontamination in healthcare. Chichester, West Sussex: Wiley-Blackwell, 2012.

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United States. Congress. House. Committee on Government Operations. Environment, Energy, and Natural Resources Subcommittee. Review of EPA's program to assure the safety and effectiveness of disinfectant products: Hearing before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred First Congress, second session, October 2, 1990. Washington: U.S. G.P.O., 1991.

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Office, General Accounting. Hospital sterilants: Insufficient FDA regulation may pose a public health risk : report to the Ranking Minority Member, Committee on Government Operations, House of Representatives. Washington, D.C: The Office, 1993.

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United States. Congress. Joint Economic Committee. Subcommittee on Investment, Jobs, and Prices. Declining federal health and safety standards: Hospital disinfectants and antiseptics : hearings before the Subcommittee on Investment, Jobs, and Prices of the Joint Economic Committee, Congress of the United States, Ninety-ninth Congress, second session, August 7 and September 25, 1986. Washington: U.S. G.P.O., 1987.

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Managing hospital infection control for cost-effectiveness. Chicago, Ill: American Hospital Pub., 1986.

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R, Babb J., and Taylor Lynda J, eds. Hospital-acquired infection: Principles and prevention. 3rd ed. Oxford: Butterworth-Heinemann, 1999.

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Ayliffe, G. A. J. Hospital-acquired infection: Principles and prevention. 2nd ed. London: Wright, 1990.

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Ayliffe, G. A. J. Hospital-acquired infection: Principles and prevention. 2nd ed. Oxford: Butterworth-Heinemann, 1990.

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Manual of infection prevention and control. 3rd ed. Oxford: Oxford University Press, USA, 2012.

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Book chapters on the topic "Disinfection and disinfectants Hospital buildings"

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Labovská, Silvia. "Pseudomonas aeruginosa as a Cause of Nosocomial Infections." In Pseudomonas aeruginosa - Biofilm Formation, Infections and Treatments. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95908.

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Pseudomonas aeruginosa, as a gram-negative aerobic rod, is still one of the most resistant agents of nosocomial infections. It is used for the development of respiratory, urinary and wound infections. It causes bacteremia, especially in patients who are hospitalized for anesthesiology and resuscitation department or ICU, who often have respiratory insufficiency and hemodynamic instability and require artificial lung ventilation. Mechanical ventilation itself is a significant risk factor for the development of pseudomonad pneumonia. Pseudomonas aeruginosa has enzymes that are encoded on both chromosomes and plasmids, often in combination with other mechanisms of resistance, such as reducing the permeability of the outer or cytoplasmic membrane. Due to carbapenemases, Pseudomonas aeruginosa loses sensitivity to carbapenem and becomes resistant to this antibiotic. It also becomes resistant to aminoglycosides, cephalosporins and ureidopenicillins. It is also resistant to Quaternary disinfectants. The reservoir of pseudomonas nosocomial infection is hospital water, taps, shower roses, swimming pools, healing waters and others. The intervention of anti-epidemic measures in the case of infections caused by pseudomonad strains has not yet reached such sophistication as in the case of MRSA for time, personnel and economic reasons. In the absence of an epidemic, intervention in sporadic cases consists of informing nursing staff of the occurrence of a multidrug-resistant agent, including providing all patient demographics and relieving careful adherence to the barrier treatment, cleansing, disinfection and isolation regimen.
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