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目的研究碳酸氢钠应用于清洗气管内套管的方法与效果。方法通过目测法和细菌检验方法,评价碳酸氢钠浸泡清洗气管内套管清洗效果,同时与过氧化氢清洗法作平行比较。结果实验组气管内套管先用15 g/L碳酸氢钠溶液浸泡清洗后再放入75%酒精浸泡消毒,目测法合格率为100%,未检测到存活细菌。对照组气管内套管用30 g/L过氧化氢溶液浸泡清洗后再放入相同浓度过氧化氢溶液中浸泡消毒,目测法合格率91%,检测出存活菌数为2 cfu/件。结论用碳酸氢钠浸泡清洗气管内套管与过氧化氢清洗法效果基本一致,或略优于过氧化氢清洗法。
Objective To study the method and effect of sodium bicarbonate in cleaning endotracheal tube. Methods Visual examination and bacterial test were used to evaluate the effectiveness of sodium bicarbonate immersion in cleaning the endotracheal tube, while parallel comparison with hydrogen peroxide cleaning method. Results In the experimental group, the endotracheal tube was immersed in 15% sodium bicarbonate solution for 15 hours and then sterilized in 75% alcohol. The pass rate of visual observation was 100%. No viable bacteria were detected. The control group of tracheal intubation with 30 g / L hydrogen peroxide solution soak cleaning and then into the same concentration of hydrogen peroxide solution immersion disinfection, visual inspection pass rate of 91%, the number of viable bacteria was detected as 2 cfu / piece. Conclusion Sodium bicarbonate soaking cleaning endotracheal tube and hydrogen peroxide cleaning effect is basically the same, or slightly better than the hydrogen peroxide cleaning method.