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Article Dans Une Revue Antimicrobial Resistance and Infection Control Année : 2019

Successful implementation of infection control measure in a neonatal intensive care unit to combat the spread of pathogenic multidrug resistant Staphylococcus capitis

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Résumé

Background: Once present in a neonatal intensive care unit (NICU), multidrug resistant Staphylococcus capitis NRCS-A is able to settle and diffuse. Objective: The objective of this study was to evaluate the impact of infection control (IC) interventions to reduce the spread of Staphylococcus capitis NRCS-A in a NICU. Methods: Between December 2012 and December 2017, all patients presenting positive sampling (blood, skin or catheter) to S. capitis were included, and clinical data were recorded from electronic clinical charts. The IC team has continually implemented measures of control infections (hand hygiene, standard precautions, patient contact isolation and disinfection of the inanimate environment). From May 2015, a steam cleaner was implemented in the cleaning procedure instead of disinfectant to disinfect heating tables and incubators. Four periods were determined: Period 1 (P1) before steam cleaner acquisition; Period 2 (P2) after implementation steam cleaner; Period 3 (P3) when the steam cleaner had broken down, and Period 4 (P4) when the steam cleaner was functional again. The consumption of antibiotics and the epidemiology of infections inside the NICU were investigated during the study period. Results: During the studied period, 37 infants were infected or colonized by S. capitis. The incidences of infection or colonization by S. capitis were P1 = 1.04‰, P2 = 0.55‰, P3 = 3.95 ‰ and P4 = 0‰ and were significantly different between P1-P3 and P2-P4 (p < 0.001). During the different periods, antibiotics consumption and bacterial epidemiology of the ward were stable. Conclusions: The use of steam vapor system was associated with a significantly decreased incidence of S. capitis NRCS-A infection or colonization and could constitute an effective and safe procedure to control and eradicate its diffusion inside NICUs.
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Dates et versions

hal-02933595 , version 1 (08-09-2020)

Licence

Paternité - CC BY 4.0

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Jérôme Ory, Michel Cazaban, Brigitte Richaud-Morel, Massimo Di Maio, Catherine Dunyach-Remy, et al.. Successful implementation of infection control measure in a neonatal intensive care unit to combat the spread of pathogenic multidrug resistant Staphylococcus capitis. Antimicrobial Resistance and Infection Control, 2019, 8 (1), pp.57. ⟨10.1186/s13756-019-0512-8⟩. ⟨hal-02933595⟩
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