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Antimicrobial susceptibility of cutibacterium acnes isolated from ecuadorian patients with acne vulgaris

Abstract:

Antimicrobial resistance to Cutibacterium acnes has become a worldwide problem in the last century, but there are no previous studies on antibiotic susceptibility patterns of this bacterium in Ecuador. A total of 129 skin swabs were collected from patients with acne vulgaris (AV) attending the dermatology department of a hospital in Quito, Ecuador, from July to August 2015. The patients selected had received registered antimicrobial therapy on at least one occasion before sampling. Microbiological procedures were performed according to conventional methods. The species of isolates were identified using a mass spectrometer system (matrix-assisted laser desorption ionization time-offlight [MALDI-TOF]). Antibiotic susceptibility tests on isolated Cutibacterium were performed using an anaerobe-sensitive panel (ANO2; Thermo Fisher; TREK Diagnostic Systems Ltd., West Sussex, UK).