Alina Banciu, Liliana Daniela Niculescu, Mihai Nita-Lazar, Irina Lucaciu
Conference: International Symposium “The Environment and the Industry”
Date: October 13-14, 2016
Location: Bucharest, Romania
Published: 2016
Nosocomial infections
Healthcare conditions
Nosocomial infections are those acquired in or associated with hospitals. They are also known
as hospital-acquired or healthcare-associated infectious.
The patients are exposed to a variety of microorganisms during hospitalization. Contact
between the patient and microorganism does not by itself necessarily result in the development
of clinical disease; other factors influence the nature and frequency of nosocomial infectious:
patient susceptibility, environmental conditions, bacterial resistance.
Many patients receive antimicrobial drugs. Through selection and exchange of genetic
resistance elements antibiotics promote the emergence of multidrug-resistant bacteria. These
kinds of strains are spread in the hospital environment, from surfaces and water dispensers to
the wastewater from treatment plant. The bacteriological characteristics of water used in health
care institutions must meet local regulations, a special case being purified water.
Bacteriological tests may not always give true estimates of contaminations because of the
presence of disinfectants or antibiotic resistant microorganisms.
The aim of this paper was to control environmental risks for infection and to highlight the role
of antibiotic resistant bacteria from the environmental conditions of hospital in the outbreak
nosocomial infections.
In early 2016, it was started monitoring water quality in an emergency hospital, following an
agreement of collaboration. There were detected many bacterial strains potential implicated in
nosocomial infections: Escherichia coli, Klebsiella oxytoca, Citrobacter freundii, Proteus
mirabilis. Most of them were coliform bacteria with resistance to broad-spectrum antibiotics,
especially β-lactams.
Even if the results have considerably increased monitoring measures for disinfection and
sterilization used in the prevention program in the hospital, aims to complement the
surveillance program tests Sanitation.

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