本文選題：口腔科　切入點(diǎn)：綜合治療臺(tái)水路　出處：《中國(guó)感染控制雜志》2017年07期

【摘要】：目的比較不同的供水方式及是否排空水路內(nèi)水分過夜對(duì)口腔綜合治療臺(tái)水路(DUWLs)細(xì)菌數(shù)量的影響。方法第一階段試驗(yàn)將6臺(tái)綜合治療臺(tái)隨機(jī)分成2組,分為外儲(chǔ)水罐供水組及市政供水組;第二階段試驗(yàn)將6臺(tái)綜合治療臺(tái)都切換成使用外儲(chǔ)水罐,隨機(jī)分成2組,分別為排空水路過夜組和未排空水路過夜組;分別比較兩個(gè)階段兩組消毒前及消毒后1周內(nèi)不同時(shí)間的細(xì)菌數(shù)量。結(jié)果第一階段消毒前DUWLs細(xì)菌污染最嚴(yán)重的為機(jī)頭水,平均菌落數(shù)為4 117CFU/mL,合格率為15.38%。消毒前各組細(xì)菌數(shù)量比較,差異均無統(tǒng)計(jì)學(xué)意義(均P0.05),各組DUWLs細(xì)菌數(shù)量嚴(yán)重超標(biāo)(均3 000CFU/mL)。不同供水途徑DUWLs消毒后細(xì)菌數(shù)量比較,除消毒后第1天差異無統(tǒng)計(jì)學(xué)意義外(P0.05),第2~7天比較差異均有統(tǒng)計(jì)學(xué)意義(均P0.05)。消毒后第2天,市政供水組細(xì)菌含量開始超標(biāo);消毒后第3天,外置儲(chǔ)水罐供水組細(xì)菌含量開始超標(biāo)。是否排空水路過夜DUWLs消毒后細(xì)菌數(shù)量比較,除消毒后第1天差異無統(tǒng)計(jì)學(xué)意義外(P0.05),第2~7天差異均有統(tǒng)計(jì)學(xué)意義(均P0.05)。消毒后第4天,未排空水路過夜組細(xì)菌含量超標(biāo)。消毒后第7天,排空水路過夜組細(xì)菌含量100CFU/mL。結(jié)論使用外置儲(chǔ)水罐,每日更換無菌蒸餾水及每日排空水路保持干燥過夜,可有效降低DUWLs細(xì)菌數(shù)量。
[Abstract]:Objective to compare the effects of different water supply methods and whether or not to empty the water path overnight on the bacterial count of DUWLs.Methods in the first stage of the experiment, 6 comprehensive treatment stations were randomly divided into two groups, the external water storage tank water supply group and the municipal water supply group, and the second stage experiment switched the six comprehensive treatment stations to use the external water storage tank and were randomly divided into two groups.The bacteria numbers of the two groups were compared before disinfection and 1 week after disinfection, and the two groups were divided into two groups: the emptying water overnight group and the non-emptying waterway overnight group, and the bacterial counts were compared between the two groups before disinfection and 1 week after disinfection.Results before the first stage of disinfection, the most serious contamination of DUWLs bacteria was in the head water. The average colony number was 4 117 CFU / mL, and the qualified rate was 15. 38%.There was no significant difference in the number of bacteria in each group before disinfection (P 0.05), and the number of DUWLs bacteria in each group exceeded the standard (all 3 000 CFU / mL).There was no significant difference in the number of bacteria after DUWLs disinfection in different water supply routes except for the first day after disinfection, but there was no significant difference between the two groups on the 2nd day (P 0.05).On the second day after disinfection, the bacterial content of the municipal water supply group began to exceed the standard, and on the third day after disinfection, the bacterial content of the external storage tank water supply group began to exceed the standard.There was no significant difference in bacterial count after overnight DUWLs disinfection except for the first day after disinfection, but there was significant difference on the 2nd day (P 0.05).On the 4th day after disinfection, the bacterial content of the overnight group without emptying water exceeded the standard.On the 7th day after disinfection, bacterial content in overnight emptying group was 100 CFU / mL.Conclusion the quantity of DUWLs bacteria can be effectively reduced by using external water storage tank, changing sterile distilled water daily and keeping dry water route for the night.
【作者單位】： 南京醫(yī)科大學(xué)附屬常州市第二人民醫(yī)院;
【分類號(hào)】：R782.052

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