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四种抗菌药物对BALB/c小鼠肠菌群的影响 被引量:1
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作者 李会 吕虎 +1 位作者 孔庆友 康白 《中国微生态学杂志》 CAS CSCD 1991年第3期31-37,共7页
本文给普通BALB/c小鼠口服红霉素、链霉素、新霉素和甲硝哒唑,以探讨同一实验条件下,该4种药代动力学特性各异的每种抗菌药物在不同给药剂量及不同用药时间对BALB/c小鼠肠菌群的影响。结果表明:除甲硝哒唑外,其他3种抗菌药当剂量达到或... 本文给普通BALB/c小鼠口服红霉素、链霉素、新霉素和甲硝哒唑,以探讨同一实验条件下,该4种药代动力学特性各异的每种抗菌药物在不同给药剂量及不同用药时间对BALB/c小鼠肠菌群的影响。结果表明:除甲硝哒唑外,其他3种抗菌药当剂量达到或超过一定水平时对肠菌群均有明显影响。红霉素对肠菌群的影响表现在肠杆菌科细菌、拟杆菌显著减少,葡萄球菌、双歧杆菌减少,肠球菌增多。肠菌群的显著性变化在A组(10000mg/kg体重每日)出现在用药后第3天,B组(4000mg/kg体重每日)出现在第7天。链霉素与新霉素引起肠菌群相似的改变,只是新霉素引起的菌群改变较对应组的链霉素引起的菌群改变更显著一些。表现在肠杆菌科细菌增多,类杆菌、肠球菌减少。本文认为抗菌药物引起菌群改变与否及影响的程度主要取决于其用药剂量、用药时间及药物代谢动力学特性。 展开更多
关键词 抗菌药物 肠菌群 菌群失调
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Perioperative changes in lower gut microbiocenosis in patients with colon and rectum cancer
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作者 AleksandrZakharenko PalvanHalmurat +7 位作者 AleksandrSuvorov IrinaShlyk OlegTen MihailBelyaev AntonTrushin SergeyBagnenko AdiliAbudurousuli DenisDubrovin 《新疆医科大学学报》 CAS 2017年第2期250-255,258,共7页
This clinical study was designed to determinate the value of colon microbiota microflora in colorectal cancer patients.We investigate pre-and post-operation stool samples in patients with different tumor localizations... This clinical study was designed to determinate the value of colon microbiota microflora in colorectal cancer patients.We investigate pre-and post-operation stool samples in patients with different tumor localizations,trying to correlate those to postoperative complications.Our findings shows that if opportunistic pathogenic microflora levels are elevated before operations,it can lead to further microbiota disbalance in postoperative period,especially in cases of antibacterial prophylaxis or treatment.Further,this changes increase a chance of receiving some complications after surgery.So,we suggest an analysis of stool microbiota in patients with colorectal cancer to be performed prior and after the operation.Furthermore,aperioperative decontamination therapy should be performed in cases of pathogenic microflora levels elevation.Still,monitoring aperioperative microbiota changes is not a routine in most recommendations and we assume that including this relatively unencumbered patient testing in preoperative survey will help to reduce a number of postoperative complications. 展开更多
关键词 colorectal cancer colon microbiota microflora dysbacteriosis COLITIS antibacterial prophylaxis or treatment
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