OBJECTIVE: To study the compatible stability of Cefathiamidine for injection with Acyclovir for injection in 0.9% Sodium chloride injection or in 5% Glucose injection. METHODS: Under light, at room temperature (25 ± l)t, the changes of the mixture in appearance and Ph value within 6 h were observed respectively, and the contents of cefathiamidine and acyclovir were determined by HPLC to investigate the generation of new substance. RESULTS: Within 6 hours, the color of the mixture in 0.9% Sodium chloride injection or in 5% Glucose injection became deep gradually. The Ph value and the content of cefathiamidine came down significantly. CONCLUSION: Cefathiamidine for injection can not be mixed with Acyclovir for injection in 0.9% Sodium chloride injection or 5% Glucose injection to use.%目的:了解我院肺炎克雷伯菌的耐药性变迁,并探讨其与抗菌药物临床用量的相关性.方法:回顾性分析我院2005-2010年抗菌药物的使用情况,计算用药频度(DDDs),采用Spearman相关分析方法分析肺炎克雷伯菌的耐药性和抗菌药物临床用量的相关性.结果:庆大霉素、头孢他啶、哌拉西林他唑巴坦和头孢哌酮/舒巴坦的DDDs逐年增高,哌拉西林的DDDs逐年降低.肺炎克雷伯菌对左氧氟沙星、环丙沙星、复方磺胺甲(噁)唑、妥布霉素的耐药率较高,对头孢哌酮/舒巴坦的耐药率最低.肺炎克雷伯菌的耐药率与庆大霉素、阿米卡星和头孢曲松的用量呈显著正相关(r=0.893 7、0.875 2、0.862 5,P＜0.05).肺炎克雷伯菌对同一类药物左氧氟沙星和环丙沙星的耐药率呈显著正相关(r=0.921 5,P＜0.05)；肺炎克雷伯菌对同一类药物哌拉西林/他唑巴坦和哌拉西林的耐药率呈显著正相关(r=0.933 8,P＜0.05).结论:肺炎克雷伯菌的耐药性与抗菌药物临床用量密切相关,应加强临床用药监管.
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