Abstract:
Introduction.
Worldwide, morbidity and mortality of nosocomial infections
are on continuous growth, and the causative agents of these
infections can remain viable even after exposure to routine
disinfectants.Purpose. Determination of resistance /susceptibility of hospital
microorganisms to disinfectant solutions.
M aterial and methods. It has been studied the
sensitivity/resistance of 41 strains of microorganisms to
disinfectants from the groups: Oxidants, Alcohols, Aldehyde, QAC
(quaternary ammonium compounds), QAC + aldehyde, QAC +
amines, Chlorine-containing compounds. The investigated strains
were isolated from the patients of the republican-level medical
institution.
Results. The general sensitivity of the strains to disinfectants was
69.02% and the resistance 30.98%. More resistant disinfectants
were Chemiofarm 81.25%, Viruton 64.0%, Smell net 58.53%, vs.
more sensitive Peroster 95.12%, Chemiosept 93.75% Gigasept
93.75%, Aseptoman 87.5%, Sterisept 87.09%, Hygiene 85.36%,
Dezderman 75.0%, Aniosept 75.0% (Fig.1). The most sensitive
groups of disinfectants were Oxidants (83.56%), Alcohols (85.4%),
Aldehydes (93.75%), and conversely, more resistant groups QAC
52.18%, QAC + amines 40.0%, Chlorine compounds 37.5%, QAC +
aldehydes 34.15% (table 1).
Conclusions. The obtained results are necessary for optimization
the monitoring of the microorganisms resistance to disinfectant at
the level of medical institution, to identify the ineffective solutions.
Description:
Nicolae Testemitanu State University of Medicine and Pharmacy, Chișinău, Republic of Moldova, Congresul consacrat aniversării a 75-a de la fondarea Universității de Stat de Medicină și Farmacie „Nicolae Testemițanu” din Republica Moldova, Ziua internațională a științei pentru pace și dezvoltare