Yu KeHua, Y. Lina, Fu Yingyuan
2010
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Quality indicators
Journal
Chinese Journal of Nosocomiology
Abstract
OBJECTIVE To understand the three kinds of commonly used disinfectants polyvidone iodine(Iodophor),glutaraldehyed and symclosene(trichloroisocyanuric acid) effervescent tablets to eradicate the Staphylococcus aureus strains in hospital infectin(20 strains) vs its standard strains and their effect in order to get the actual experimental evidence for sterile application.METHODS A suspension quantitative bactericidal test was used.RESULTS For the standard strains of S.aureus the eradication rate of 500 mg/L polyvidone iodine,2000 mg/L glutaraldehyed and 1000 mg/L symclosene was 100.0% after 1.5 3 and 1 min,respectively,vs 10 min when 50 mg/L polyvidone iodine,125 mg/L glutaraldehyed and 125 mg/L symclosene used not only for standard strains but also for hospital infection strains.CONCLUSION In clinical applications,the appropriate time of action of disinfectants must be exterded if their concentration is diluted to achieve the eradicating effect on S.aureus in order to prevent the hospital infection.