【fiamjdeskng】評論
治療VRE有用的藥物如下:(from 國考藥訣)Glycopeptides Ex. Oritavancin. Teicoplanin. Dalbavancin. Telavancin…Tetracyclines Ex. Tigecycline (可以治療NDMI超級細菌. 但綠膿桿菌無效)Streptogramins Ex. Quinupristin - Dalfopristin (3:7) (Enterococcus faecalis 例外)Oxazolidinones Ex. Linezolid. Tedizolid ( MAOI; 注意 Serotonin syndrome )Cyclic Lipopeptide Ex. Daptomycin ( ~ Vancomycin)所以我還是不太懂為啥D選項是錯的
【fiamjdeskng】評論
Dalbavancin機轉:Disrupts cell-wall synthesis by binding to d-Ala-d-Lac of peptidoglycan, preventing cross-linkingOnly active against VRE expressing vanB,我查到的,所以不是所有的VRE都可以用,但是也不是都不可以用啊!感覺這個選項有瑕疵reference:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4521680/
【fiamjdeskng】評論
要來看看paper裡面寫什麼可以用在VRE嗎?1、linezolid(作用在23s rRNA)2、Tedizolid(抑制50s Ribosomal unit)3、Quinupristin/dalfopristin:50S ribosome(No activity against E. faecalis糞屎二兄弟的糞兄不行)4、Daptomycin(細胞膜)5、Tigecycline(30s核糖體)6、Telavancin(binding to d-Ala-d-Lac of peptidoglycan): Only active against VRE expressing vanB7、Dalbavancin(binding to d-Ala-d-Lac of peptidoglycan): Only active against VRE expressing vanB8、Oritavancin(1、binding to d-Ala-d-Lac;2、binding to the bridging segment阻止細胞壁transpeptidation;3、作用細胞膜增加通透,促進細胞溶解)反正我還是覺得這題是被老師為難了,D選項是部分可以用,有爭議reference:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4521680/