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Child morbidity of salmonellosis and the level of resistance of clinical isolates of salmonella to antibacterial preparations in saint Petersburg

https://doi.org/10.22625/2072-6732-2015-7-1-80-86

Abstract

The aim of the study was to study the dynamics of the incidence of salmonellosis children in St. Petersburg and phenotypic resistance of clinical isolates of S. Enteritidis and S. Typhimurium to antibiotics in recent years. 

Materials and methods. The incidence of salmonellosis children studied according to the report for the first nine months of Rospotrebnadzor in 2013–2014. Incidence of salmonellosis in the structure of bacterial intestinal infections caused by pathogens in children hospitalized in the Department of intestinal infections in 2013–2014, studied according to annual reports. 

Antibiotic sensitivity was studied 86 Salmonella isolates (S. Enteritidis strain 64 and strain 22 S. Typhimurium), isolated from patients in children 2010–2014. Used the method of serial microdilution broth. Salmonella isolates were divided into sensitive, resistant, intermediate sensitivity to antibiotics. 

The Results. Analysis of the incidence of salmonellosis children of St. Petersburg has revealed its decline in 2014 (109.2) compared to 2013 (123,9) but relatively long-term average level was an increase in incidence (107,6). In the structure of salmonellosis in children prevailed salmonellosis Group D. In hospitalized children in the structure of bacterial intestinal infections detected Excess of share of salmonellosis in 2014 (36,9±3,4%) compared to 2013 (24,5±2,4%; p <0,01). A reduction in the frequency sensitivity of S. Enteritidis to ampicillin, cefepime, ceftazidime and chloramphenicol. Compared to S. Enteritidis S. Typhimurium isolates were more resistant to ceftazidime and ampicillin, but more sensitive to ciprofloxacin. 

Conclusion. Morbidity of salmonellosis in recent years characterized by a relatively long-term average increase of the level. In the structure of salmonellosis in children prevailed salmonellosis Group D. There was a reduction of sensitivity S. Enteritidis isolates to cephalosporins new generations, and S. Typhimurium isolates to cephalosporins new generations, ampicillin, chloramphenicol.

About the Authors

N. V. Gonchar
Scientific-research Institute of childhood infections, Saint-Petersburg, Russia North-Western State Medical University named after I.I. Mechnikov, Saint-Petersburg, Russia
Russian Federation


I. V. Lazareva
Scientific-research Institute of childhood infections, Saint-Petersburg, Russia
Russian Federation


S. V. Rychkova
North-Western State Medical University named after I.I. Mechnikov, Saint-Petersburg, Russia Committee on Public Health of Administration of St. Petersburg, St. Petersburg, Russia
Russian Federation


A. S. Kvetnaja
Scientific-research Institute of childhood infections, Saint-Petersburg, Russia The first St. Petersburg State Medical University named after acad. I.P. Pavlov
Russian Federation


L. P. Al’shanik
North-Western State Medical University named after I.I. Mechnikov, Saint-Petersburg, Russia
Russian Federation


Ju. V. Fomicheva
North-Western State Medical University named after I.I. Mechnikov, Saint-Petersburg, Russia
Russian Federation


O. I. Nyrkova
Scientific-research Institute of childhood infections, Saint-Petersburg, Russia St. Petersburg State Pediatric University, St. Petersburg, Russia
Russian Federation


L. A. Kirilenko
Scientific-research Institute of childhood infections, Saint-Petersburg, Russia
Russian Federation


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Review

For citations:


Gonchar N.V., Lazareva I.V., Rychkova S.V., Kvetnaja A.S., Al’shanik L.P., Fomicheva J.V., Nyrkova O.I., Kirilenko L.A. Child morbidity of salmonellosis and the level of resistance of clinical isolates of salmonella to antibacterial preparations in saint Petersburg. Journal Infectology. 2015;7(1):80-86. (In Russ.) https://doi.org/10.22625/2072-6732-2015-7-1-80-86

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