Antimicrobial Resistance | CMAC

Antimicrobial Resistance

Antimicrobial Susceptibility of Pediatric Streptococcus pneumoniae Isolates in Krasnoyarsk

Streptococcus pneumoniae strains isolated from children of Krasnoyarsk (Siberia, Russian Federation) were examined. Authors determined Streptococcus pneumoniae serotypes and antimicrobial resistance. 16.7% of strains were multiple resistant with high …

Systematic Review of Mathematical Models Used for Predicting Bacterial Resistance

Acquired bacterial resistance is currently one of the causes of mortality and morbidity from infectious diseases. Mathematical modeling allows us to predict the further spread of resistance and to some extent to control its dynamics. The purpose of …

Antimicrobial Resistance of Haemophilus influenzae in Russia: Results of Multicenter Study «PeGASus»

Objective. To study antimicrobial resistance of Haemophilus influenzae and its trends in different Russian regions over the period of 2004–2009. Materials and Methods. This study included consecutive clinical strains of H. influenzae obtained from patients with different infections (pneumonia, acute otitis media, meningitis, bacteremia, COPD exacerbation, etc.) in Central, Volga, Ural, and Siberian federal districts of Russia over the period of 2004–2009. Susceptibility to 12 antimicrobial agents was determined by broth microdilution method according to the Clinical Laboratory Standards Institute guidelines (CLSI 2013).

Complicated Community-Acquired Urinary Tract Infections in Adult Patients in Russia

Objective. Objectives. To analyze etiology and antimicrobial resistance of pathogens causing complicated community-acquired urinary tract infections (cUTI) in adult patients in different regions of Russia. Materials and Methods. Uropathogens isolated from urine samples of patients of both gender older than 18 years of age with community-acquired UTI were collected in 21 centers of 17 cities in Russia during 2010–2011 and included in the «DARMIS» study. Results. Among the collected 518 strains isolated from adult patients 282 strains (54,4%) were isolated from urine of patients with cUTI.

Antimicrobial Susceptibility Testing: What Do Results Hide

Antimicrobial susceptibility testing is an important and one of the most time-consuming and expensive procedures in microbiological laboratory. Use of appropriate panel of antibiotics along with correct identification of isolated pathogen make it …

Local Antimicrobial Resistance Profile as a Basis for the Choice of Antimicrobial Therapy of Staphylococcal Prosthetic Joint Infections

Objective. To determine the most effective antibiotics for therapy of infectious complications of prosthetic joint implantation caused by S. aureus and S. epidermidis. Materials and Methods. The antibiotic resistance profiles were determined for 535 clinical S. aureus and 211 S. epidermidis isolates. All the strains were isolated from the removed prosthesis and biological samples from patients with prosthetic joint infection (PJI). Susceptibility of clinical isolates was determined to 14 antibiotics according to EUCAST guidelines.

Antimicrobial Resistance among Bacterial Pathogens Causing Ocular Infections in Russia

Objective. To determine bacterial pathogens causing ocular infections and their antimicrobial susceptibility patterns. Materials and Methods. This prospective microbiological study included a total of 235 isolates of aerobic microorganisms obtained from 235 patients in 10 Russian regions. Susceptibility to the following antimicrobials (ampicillin, amoxicillin, amoxicillin/clavulanate, oxacillin, penicillin, ciprofloxacin, levofloxacin, moxifloxacin, ofloxacin, norfloxacin, tobramycin, gentamicin, chloramphenicol, polymyxin B, tetracycline, and erythromycin) was determined using serial dilution method. Results. The most predominant pathogens in ocular infections were S.

Fluoroquinolone Resistance of Mycobacterium tuberculosis in Novosibirsk Region: Results of Population-Based Study

Objective. Objectives. To study incidence and changes of fluoroquinolone resistance among Mycobacterium tuberculosis in Novosibirsk region, and to determine fluoroquinolone contribution to drug resistance selection in M. tuberculosis population. Materials and Methods. A total of 344 clinical isolates of M. tuberculosis obtained from patients with newly diagnosed tuberculosis during the periods of 2000–2002 and 2006–2010 were tested for susceptibility to fluoroquinolones. This study included 141 isolates susceptible to first-line drugs and 83 isolates resistant to isoniazid and rifampicin (multi-drug resistance [MDR]), and 120 isolates resistant to one or more anti-TB drugs, but without MDR.

Antimicrobial Resistance of the Respiratory Strains of Streptococcus pyogenes in Russia During 1999–2009

Objective. Objectives. To evaluate the level, structure and phenotypes of antimicrobial resistance in clinical respiratory strains of Streptococcus pyogenes in different regions of Russia during 1999–2009. Materials and Methods. In total 804 respiratory strains of S. pyogenes from different regions of Russia were included in the study. Susceptibility to 18 antimicrobials was evaluated by the standard broth microdilution method according to EUCAST 2012 recommendations. Results. β-Lactams remaine highly active against all tested strains.

A New Method for Evaluation of Antimicrobial Resistance of Bacteria in Biofilms

At the present article we evaluate a relatively new method of the evaluation of activity of antimicrobials against bacterial biofilms. This method combines the possibilities of simultaneous evaluation of bacterial survival in biofilm in the presence …