Guided antibiotic therapy for Mycoplasma genitalium infections: Analysis of mutations associated with resistance to macrolides and fluoroquinolones.

Abstract:

INTRODUCTION:The objective of this study was to analyse the susceptibility of Mycoplasma genitalium to macrolides and fluoroquinolones using molecular techniques. METHODS:Susceptibility to macrolides was tested (Gipuzkoa, 2014-2017) by a rapid probe-based real-time polymerase chain reaction assay (23S rRNA gene) and to fluoroquinolones by sequencing the parC and gyrA genes. RESULTS:Mutations associated with macrolide resistance were detected in 43/263 (16.3%) cases and potential fluoroquinolone resistance in 21/267 (7.9%). Macrolide resistance was more frequent in patients previously treated with azithromycin (76.5% vs 7.4%, P<.001) as well as in those treated with a single 1g dose (31.3%) vs the extended regimen (7%, P<.001). There were 5/245 (2%) cases with mutations probably associated with resistance to both antibiotics. CONCLUSIONS:The technique used for testing Mycoplasma genitalium susceptibility to azithromycin allowed the rapid implementation of resistance-guided antibiotic therapy. Moxifloxacin could be a good option in cases of macrolide resistance.

authors

Piñeiro L,Idigoras P,de la Caba I,López-Olaizola M,Cilla G

doi

10.1016/j.eimc.2018.10.003

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

394-397

issue

6

eissn

0213-005X

issn

1578-1852

pii

S0213-005X(18)30274-X

journal_volume

37

pub_type

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