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1.
Anaerobe ; 85: 102816, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38145709

RESUMO

The aim of this study was to describe the in vitro activity of delafloxacin against 230 anaerobic isolates and compare it with the activity of other antimicrobials used against infections caused by anaerobic microorganisms. Minimal inhibitory concentrations (MICs) were lower for delafloxacin than for all other antibiotics tested with the exception of piperacillin-tazobactam and meropenem against Gram-positive anaerobic cocci. Only two (0.8 %) isolates of Bacteroides spp. showed a MIC ≥4 µg/mL. With some exceptions, the present results show lower MICs for delafloxacin in comparison to the other antibiotics used against anaerobes.


Assuntos
Anti-Infecciosos , Infecções Bacterianas , Fluoroquinolonas , Cocos Gram-Positivos , Humanos , Antibacterianos/farmacologia , Infecções Bacterianas/microbiologia , Bactérias Anaeróbias , Testes de Sensibilidade Microbiana
2.
Anaerobe ; 76: 102608, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35777724

RESUMO

OBJECTIVE: To report a series of four uncommon cases of bacteremia due to Parabacteroides distasonis. METHODS: We have analyzed the epidemiological characteristics, clinical features, diagnostic methods, treatment and outcome of these patients. RESULTS: Two sets of blood cultures of each patient yielded a pure culture of an anaerobic microorganism identified as P. distasonis by MALDI-TOF MS, and confirmed by 16S rRNA gene sequencing. All patients were male and they had risk factors for anaerobic bacteremia. All isolates were susceptible to metronidazole and the outcome was successful in three patients. CONCLUSIONS: Bloodstream infections due to P. distasonis are still rare. MALDI-TOF MS appear to be an excellent tool for the correct identification.


Assuntos
Bacteriemia , Bacteriemia/diagnóstico , Bacteriemia/tratamento farmacológico , Bacteroidetes/genética , Feminino , Humanos , Masculino , RNA Ribossômico 16S/genética , Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz/métodos
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