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Article ; Online: Evaluation of two detergent-disinfectants and a detergent on a Klebsiella pneumoniae biofilm formed within Tygon tubes.

Noubam-Tchatat, C / Badrikian, L / Traore, O / Aumeran, C

2023 Volume 140, Page(s) 1–7

Abstract: ... disinfectants at 20 °C and 35 °C for 10 mn, and to enzymatic detergent at 45 °C for 60 mn. The logarithmic ...

Abstract	Background: Transmission of infections via contaminated endoscopes is a common problem. Manual cleaning, using at least a detergent, is an important step in endoscope processing and should be performed as soon as possible to avoid drying of organic residues that might interfere with high-level disinfection and promote biofilm formation. Aim: To assess the efficacy of two detergent-disinfectants, enzymatic and non-enzymatic, and of an enzymatic detergent used during the manual cleaning against a Klebsiella pneumoniae biofilm. Methods: A 24 h biofilm statically formed in a Tygon tube was exposed to detergent-disinfectants at 20 °C and 35 °C for 10 mn, and to enzymatic detergent at 45 °C for 60 mn. The logarithmic reduction in bacteria in the Tygon tube and the number of bacteria in the product supernatant were calculated. Findings: Biofilm formation was reproducible between assays. After exposure to detergent-disinfectants, the logarithmic reduction was between 6.32 and 6.71 log Conclusion: These results show the importance of the choice of products used during the manual cleaning phase. They also show the potential benefit of combining detergent and disinfectant activity to decrease the bacterial load during the manual cleaning step of endoscope processing.
MeSH term(s)	Humans ; Disinfectants/pharmacology ; Klebsiella pneumoniae ; Detergents/pharmacology ; Disinfection/methods ; Endoscopes/microbiology ; Biofilms
Chemical Substances	Disinfectants ; Detergents
Language	English
Publishing date	2023-07-23
Publishing country	England
Document type	Journal Article
ZDB-ID	779366-2
ISSN	1532-2939 ; 0195-6701
ISSN (online)	1532-2939
ISSN	0195-6701
DOI	10.1016/j.jhin.2023.04.019
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Article ; Online: Prévenir le risque infectieux en milieu de soins grâce aux mesures barrière

Aumeran, Claire / Jacomet, Christine

Abstract: Si la vaccination a permis de freiner la propagation de certaines maladies infectieuses et de limiter les épidémies, l’éducation à l’hygiène et à la santé, la rédaction de protocoles et la formation ont rendu les soins encore plus sécuritaires pour les ... ...

Abstract	Si la vaccination a permis de freiner la propagation de certaines maladies infectieuses et de limiter les épidémies, l’éducation à l’hygiène et à la santé, la rédaction de protocoles et la formation ont rendu les soins encore plus sécuritaires pour les malades et le personnel hospitalier. Une rétrospective des grandes pandémies et une analyse de la crise de la Covid-19 montrent qu’il faut demeurer très vigilant. En milieu de soins, la notion de protection et d’hygiène reste, encore de nos jours, primordiale. While vaccination has helped to slow the spread of some infectious diseases and limit epidemics, hygiene and health education, protocol writing and training have made health care even safer for patients and hospital staff. A retrospective review of major pandemics and an analysis of the Covid-19 crisis show that we must remain very vigilant. In the health care setting, the notion of protection and hygiene remains, even today, paramount.
Keywords	covid19
Publisher	Elsevier; PMC
Document type	Article ; Online
DOI	10.1016/j.sagf.2020.07.004
Database	COVID19

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Article ; Online: Klebsiella pneumoniae survival and regrowth in endoscope channel biofilm exposed to glutaraldehyde and desiccation.

Cholley, A C / Traoré, O / Hennequin, C / Aumeran, C

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology

2020 Volume 39, Issue 6, Page(s) 1129–1136

Abstract: Biofilm in endoscopes is a major problem that can result in failure of disinfection. We studied the survival of K. pneumoniae in a biofilm formed on endoscope tubes subjected to combined chemical and physical stresses. We monitored bacterial survival in ... ...

Abstract	Biofilm in endoscopes is a major problem that can result in failure of disinfection. We studied the survival of K. pneumoniae in a biofilm formed on endoscope tubes subjected to combined chemical and physical stresses. We monitored bacterial survival in the biofilm after the action of 1% and 2% GTA either immediately or after 15 days of desiccation and described the ability of surviving bacteria to recolonize endoscope tubing in a dynamic model. There were surviving bacteria after 5-min exposure to 2% and 1% GTA. The percentage of survivors after 2% and 1% GTA was greater when the GTA treatment was performed after 15 days of prior desiccation of the biofilm. The survivors were able to recolonize and reform biofilm on abiotic surfaces probably because of the survival of persisters in a viable but non-culturable state in the biofilm. Our findings emphasize that the current guidelines on endoscope reprocessing should be strictly followed but that once constituted the biofilm in endoscope tubing will be very difficult to eradicate with present practices.
MeSH term(s)	Biofilms/drug effects ; Biofilms/growth & development ; Colony Count, Microbial ; Desiccation ; Disinfection ; Endoscopes/microbiology ; Glutaral/pharmacology ; Humans ; Klebsiella pneumoniae/drug effects ; Klebsiella pneumoniae/growth & development ; Klebsiella pneumoniae/physiology ; Microbial Viability ; Stress, Physiological
Chemical Substances	Glutaral (T3C89M417N)
Language	English
Publishing date	2020-01-31
Publishing country	Germany
Document type	Journal Article
ZDB-ID	603155-9
ISSN	1435-4373 ; 0934-9723 ; 0722-2211
ISSN (online)	1435-4373
ISSN	0934-9723 ; 0722-2211
DOI	10.1007/s10096-020-03818-7
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Article ; Online: Isolation gown contamination during healthcare of confirmed SARS-CoV-2-infected patients.

Aumeran, C / Henquell, C / Brebion, A / Noureddine, J / Traore, O / Lesens, O

The Journal of hospital infection

2020 Volume 107, Page(s) 111–113

MeSH term(s)	Aged ; COVID-19/virology ; COVID-19 Nucleic Acid Testing ; Equipment Contamination ; Female ; Health Facilities ; Humans ; Male ; Middle Aged ; Personal Protective Equipment/virology ; Protective Clothing/virology ; SARS-CoV-2/genetics ; SARS-CoV-2/isolation & purification
Keywords	covid19
Language	English
Publishing date	2020-11-11
Publishing country	England
Document type	Letter
ZDB-ID	779366-2
ISSN	1532-2939 ; 0195-6701
ISSN (online)	1532-2939
ISSN	0195-6701
DOI	10.1016/j.jhin.2020.11.004
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Article ; Online: Comparing ethanol lock therapy versus vancomycin lock in a salvation strategy for totally implantable vascular access device infections due to coagulase-negative staphylococci (the ETHALOCK study): a prospective double-blind randomized clinical trial.

Lesens, Olivier / Forestier, Emmanuel / Botelho-Nevers, Elisabeth / Pavese, Patricia / David, Gary / Nougarede, Bertrand / Corbin, Violaine / Pereira, Bruno / Aumeran, Claire / Sauvat, Léo

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology

2023 Volume 43, Issue 2, Page(s) 223–232

Abstract: Objectives: Little is known about efficacy and safety of ethanol lock therapy (ELT) to treat totally implantable venous access device (TIVAD) infections. The objective of this trial was to evaluate the effectiveness and safety profile of a local ... ...

Abstract	Objectives: Little is known about efficacy and safety of ethanol lock therapy (ELT) to treat totally implantable venous access device (TIVAD) infections. The objective of this trial was to evaluate the effectiveness and safety profile of a local treatment with ELT without removal for TIVAD infection due to coagulase-negative staphylococci. Methods: We performed a prospective, multicenter, double-blind, randomized clinical trial comparing the efficacy of 40% ELT versus vancomycin lock therapy (VLT) in TIVAD infections due to coagulase-negative staphylococci, complicated or not by bloodstream infection. Results: Thirty-one patients were assigned to the ELT group and 30 to the VLT arm. Concomitant bacteremia was present in 41 patients (67.2%). Treatment success was 58.1 % (18 of 31) for the ELT arm and 46.7% (14 of 30) for the VLT arm (p = 0.37). The overall treatment success was 52.5% (32). The risk of treatment failure due to uncontrolled infections, superinfections, and mechanical complications did not differ significantly between participants receiving ELT (13 out of 31 [42%]) and those receiving VLT (16 out of 30 [53%]) with a hazard ratio of 0.70 (p = 0.343; 95% CI [0.34-1.46], Cox model). Catheter malfunctions were significantly more frequent in the ELT arm (11 patients versus 2 in the VLT group, p = 0.01). Conclusions: We found an overall high rate of treatment failure that did not differ between the ELT arm and the VLT arm. TIVAD removal must be prioritized to prevent complications (uncontrolled infections, superinfections, and catheter malfunctions) except in exceptional situations.
MeSH term(s)	Humans ; Vancomycin/therapeutic use ; Ethanol/adverse effects ; Coagulase ; Catheterization, Central Venous ; Prospective Studies ; Superinfection/complications ; Catheter-Related Infections/microbiology ; Central Venous Catheters/adverse effects ; Staphylococcus ; Bacteremia/microbiology
Chemical Substances	Vancomycin (6Q205EH1VU) ; Ethanol (3K9958V90M) ; Coagulase
Language	English
Publishing date	2023-11-23
Publishing country	Germany
Document type	Randomized Controlled Trial ; Multicenter Study ; Journal Article
ZDB-ID	603155-9
ISSN	1435-4373 ; 0934-9723 ; 0722-2211
ISSN (online)	1435-4373
ISSN	0934-9723 ; 0722-2211
DOI	10.1007/s10096-023-04702-w
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Article ; Online: A prospective study on the pathogenesis of catheter-associated bacteriuria in critically ill patients.

Aumeran, Claire / Mottet-Auselo, Benoit / Forestier, Christiane / Nana, Paul-Alain / Hennequin, Claire / Robin, Frédéric / Souweine, Bertrand / Traoré, Ousmane / Lautrette, Alexandre

BMC microbiology

2021 Volume 21, Issue 1, Page(s) 86

Abstract: Background: Updating the pathogenesis of catheter-associated bacteriuria (CA-bacteriuria) in the intensive care unit (ICU) is needed to adapt prevention strategies. Our aim was to determine whether the main pathway of CA-bacteriuria in ICU patients was ... ...

Abstract	Background: Updating the pathogenesis of catheter-associated bacteriuria (CA-bacteriuria) in the intensive care unit (ICU) is needed to adapt prevention strategies. Our aim was to determine whether the main pathway of CA-bacteriuria in ICU patients was endoluminal or exoluminal. In a prospective study, quantitative urine cultures were sampled from catheter sampling sites, collector bags and the catheter outer surface near the meatus from days 1 to 15 after catheterization. The endoluminal pathway was CA-bacteriuria (defined as 10 Results: Of 64 included patients, 20 had CA-bacteriuria. Means of catheterization days and incidence density were 6.81 days and 55.2/1000 catheter-days. Of 26 microorganisms identified, 12 (46.2%) were Gram positive cocci, 8 (30.8%) Gram negative bacilli and 6 yeasts. Three (11.5%) CA-bacteriuria were endoluminal and 23 (88.5%) exoluminal, of which 10 (38.5%) were early and 13 (50%) late. Molecular comparison confirmed culture findings. A quality audit showed good compliance with guidelines. Conclusion: The exoluminal pathway of CA-bacteriuria in ICU patients predominated and surprisingly occurred early despite good implementation of guidelines. This finding should be considered in guidelines for prevention of CA-bacteriuria.
MeSH term(s)	Adult ; Aged ; Bacteria/classification ; Bacteria/genetics ; Bacterial Load ; Bacteriuria/microbiology ; Bacteriuria/pathology ; Bacteriuria/prevention & control ; Biodiversity ; Catheter-Related Infections/microbiology ; Catheter-Related Infections/pathology ; Catheter-Related Infections/prevention & control ; Critical Illness ; Female ; Humans ; Intensive Care Units ; Male ; Middle Aged
Language	English
Publishing date	2021-03-22
Publishing country	England
Document type	Journal Article
ZDB-ID	2041505-9
ISSN	1471-2180 ; 1471-2180
ISSN (online)	1471-2180
ISSN	1471-2180
DOI	10.1186/s12866-021-02147-9
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Isolation gown contamination during health care of confirmed SARS-CoV-2 infected patients

Aumeran, C. / Henquell, C. / Brebion, A. / Noureddine, J. / Traore, O. / Lesens, O.

J Hosp Infect

Keywords	covid19
Publisher	WHO
Document type	Article
Note	WHO #Covidence: #922062
Database	COVID19

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Article ; Online: Isolation gown contamination during health care of confirmed SARS-CoV-2 infected patients

Aumeran, Claire / Henquell, Cécile / Brebion, Amélie / Noureddine, Jordan / Traore, Ousmane / Lesens, Olivier

Journal of Hospital Infection ; ISSN 0195-6701

2020

Keywords	Microbiology (medical) ; Infectious Diseases ; General Medicine ; covid19
Language	English
Publisher	Elsevier BV
Publishing country	us
Document type	Article ; Online
DOI	10.1016/j.jhin.2020.11.004
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Nurses' practices in the preparation and administration of intramuscular injections in mental health: A cross-sectional study.

Legrand, Guillaume / Guiguet-Auclair, Candy / Viennet, Hervé / Aumeran, Claire / Reynaud, Dominique / Badrikian, Laurence / Debost-Legrand, Anne

Journal of clinical nursing

2019 Volume 28, Issue 17-18, Page(s) 3310–3317

Abstract: Background: Intramuscular injections (IMIs) remain a frequent practice in mental health. Few studies have examined the issue of nurses' practices concerning IMI in this domain, and none considered specifically hygiene. Finally, no study appears to have ... ...

Abstract	Background: Intramuscular injections (IMIs) remain a frequent practice in mental health. Few studies have examined the issue of nurses' practices concerning IMI in this domain, and none considered specifically hygiene. Finally, no study appears to have looked at emergency situations and their possible influence on practices. The principal objective of our study was to assess the practices associated with IMI in mental health, especially the hygiene-related practices. The secondary objectives were as follows: 1) to assess the practices for the preparation and administration of IMI in mental health for criteria other than hygiene and 2) to determine whether professional experience and emergency situations influence these practices. Design: Single-centre cross-sectional study in a psychiatric Hospital and adherence to the STROBE guidelines. Methods: The participating nurses all worked with inpatients, and all volunteered for the study. A self-administered questionnaire was sent to all participants. The questionnaire included questions about knowledge and practices associated with IMI, some considered in two different situations: emergencies and planned injections. The distribution of the responses was tested by the chi-squared test or Fisher's exact test, as appropriate, or by McNemar's chi-squared test or Friedman's nonparametric chi-squared test for matched data. Results: Response rate was 48.6%. Overall, 81% of nurses reported correct handwashing before preparation, 87.5% responded that the dorsogluteal site is currently recommended for IMI, and 74.6% that they did not know the "Z track" technique. In planned injections, 58.7% reported that the choice of needle was determined, at least in part, by the patient's body mass index. In emergency situations, adherence to guidelines was less frequent for all types of practices. Conclusions: This study shows the need to improve practices for the frequently used procedure of IMI among mental health nurses. Relevance to clinical practice: Better professional education appears necessary to develop optimal practices, especially in emergency situations.
MeSH term(s)	Cross-Sectional Studies ; Emergency Treatment/nursing ; Female ; Health Knowledge, Attitudes, Practice ; Humans ; Injections, Intramuscular/nursing ; Male ; Mental Disorders/drug therapy ; Mental Disorders/nursing ; Psychiatric Nursing/methods ; Surveys and Questionnaires
Language	English
Publishing date	2019-05-26
Publishing country	England
Document type	Journal Article
ZDB-ID	1159483-4
ISSN	1365-2702 ; 0962-1067 ; 1752-9816
ISSN (online)	1365-2702
ISSN	0962-1067 ; 1752-9816
DOI	10.1111/jocn.14909
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Article: Investigation d’une épidémie hospitalière et règles de prise en charge des cas suspects de rougeole ou d’infection invasive à méningocoque en établissement de soins.

Aumeran, C / Baud, O / Traoré, O / Souweine, B

Reanimation : journal de la Societe de reanimation de langue francaise

2011 Volume 21, Issue Suppl 2, Page(s) 503–513

Abstract: Outbreaks of infectious diseases within healthcare institutions must be detected early and controlled. Hospitals should develop a plan for coordinating all hospital components to respond to these critical situations. The knowledge of the different steps ... ...

Title translation	Investigation of hospital epidemics and guidelines for the management of suspected cases of measles and invasive meningococcal disease.
Abstract	Outbreaks of infectious diseases within healthcare institutions must be detected early and controlled. Hospitals should develop a plan for coordinating all hospital components to respond to these critical situations. The knowledge of the different steps in an outbreak investigation can help identify the source of ongoing outbreaks and prevent additional cases. Outbreak investigation is based on a multidisciplinary approach and is an opportunity for research, training and program considerations.
Keywords	covid19
Language	French
Publishing date	2011-11-26
Publishing country	France
Document type	English Abstract ; Journal Article
ZDB-ID	2046519-1
ISSN	1951-6959 ; 1624-0693 ; 1164-6756
ISSN (online)	1951-6959
ISSN	1624-0693 ; 1164-6756
DOI	10.1007/s13546-011-0345-9
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