Abstract
A macrolide-resistant Mycoplasma pneumoniae strain was isolated from two patients with community-acquired pneumonia. The pneumonia severity score of both patients was mild, and rapid clinical improvement was seen after administration of fluoroquinolone. Clinical features of macrolide-resistant M. pneumoniae pneumonia were identical to those of macrolide-sensitive M. pneumoniae pneumonia. An A-to-G transition at position 2063 and 2064, respectively, in domain V of the 23S rRNA gene was identified. The minimum inhibitory concentration of erythromycin of these isolates was greatly elevated. In Japan, macrolide-resistant M. pneumoniae infections are common in pediatric patients but not in adults. However, physicians should pay attention to macrolide-resistant M. pneumoniae not only in children but also in adults.
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Acknowledgments
This work was supported by MEXT KAKENHI (19591190 and 21591304) and Project Research Grants from Kawasaki Medical School (13-401, 14-402, 15-405A, 16-405M, 17-402M, 18-401, 19-402M, 20-4030).
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Miyashita, N., Maruyama, T., Kobayashi, T. et al. Community-acquired macrolide-resistant Mycoplasma pneumoniae pneumonia in patients more than 18 years of age. J Infect Chemother 17, 114–118 (2011). https://doi.org/10.1007/s10156-010-0093-1
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DOI: https://doi.org/10.1007/s10156-010-0093-1