High prevalence of macrolide resistance in Mycoplasma pneumoniae isolates from adult and adolescent patients with respiratory tract infection in China.

Cao, Bin; Zhao, Chun-Jiang; Yin, Yu-Dong; Zhao, Fei; Song, Shu-Fan; Bai, Lu; Zhang, Jian-Zhong; Liu, Ying-Mei et al. · Clin Infect Dis · 2010

cross_sectional · Level IV

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Abstract

The resistance rate of 67 Mycoplasma pneumoniae isolates from 356 ambulatory adult patients with respiratory tract infection was 69% (46 of 67). All 46 macrolide-resistant strains harbored point mutations in the 23S ribosomal RNA gene. Patients infected with macrolide-resistant M. pneumoniae required significantly longer durations of antibiotic therapy and had longer time to resolution of fever.

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