MYCOBACTERIUM-AVIUM STRAINS RESISTANT TO CLARITHROMYCIN AND AZITHROMYCIN

被引：99

作者：

HEIFETS, L ^{[1
]}

MOR, N ^{[1
]}

VANDERKOLK, J ^{[1
]}

机构：

[1] UNIV COLORADO,HLTH SCI CTR,DEPT MICROBIOL & IMMUNOL,DENVER,CO 80262

来源：

ANTIMICROBIAL AGENTS AND CHEMOTHERAPY | 1993年 / 37卷 / 11期

关键词：

D O I：

10.1128/AAC.37.11.2364

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Mycobacterium avium strains susceptible to clarithromycin and azithromycin contain mutants resistant to these macrolides with a frequency of 1.1 x 10(-10) to 1.2 x 10(-6). Cross-resistance between clarithromycin and azithromycin was demonstrated with mutants selected in the laboratory as well as with resistant strains isolated from patients. The susceptibility-resistance patterns of the macrolide-resistant strains with drugs other than macrolides were the same as those of the original susceptible strains. The emergence of clarithromycin resistance in patients was a result of multiplication of the preexisting resistant mutants that survived the elimination of bacteria during the initial period of treatment and was an exclusive cause of the relapse of bacteremia.

引用

页码：2364 / 2370

页数：7

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