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Expert Rev Respir Med. 2013 Oct;7(5):491-8. doi: 10.1586/17476348.2013.816572.

Advances in pneumococcal antibiotic resistance.

Author information

1
Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Asia Pacific Foundation for Infectious Diseases (APFID), Seoul, Korea . +82 234 100 320 +82 234 100 328 songjh@skku.edu.

Abstract

Antimicrobial resistance and serotypes in Streptococcus pneumoniae have been evolving with the widespread use of antibiotics and the introduction of pneumococcal conjugate vaccines (PCV). Particularly, among various types of antimicrobial resistance, macrolide resistance has most remarkably increased in many parts of the world, which has been reported to be >70% among clinical isolates from Asian countries. Penicillin resistance has dramatically decreased among nonmeningeal isolates due to the changes in resistance breakpoints, although resistance to other β-lactams such as cefuroxime has increased. Multidrug resistance became a serious concern in the treatment of invasive pneumococcal diseases, especially in Asian countries. After PCV7 vaccination, serotype 19A has emerged as an important cause of invasive pneumococcal diseases which was also associated with increasing prevalence of multidrug resistance in pneumococci. Widespread use of PCV13, which covers additional serotypes 3, 6A and 19A, may contribute to reduce the clonal spread of drug-resistant 19A pneumococci.

PMID:
24138693
DOI:
10.1586/17476348.2013.816572
[Indexed for MEDLINE]

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