Prevalence of ESBL-producing Enterobacteriaceae isolated from blood cultures in Mali
Adult
Male
0301 basic medicine
Adolescent
Enterobacteriaceae Infections
Infant, Newborn
Infant
Bacteremia
Middle Aged
Mali
Bacterial Typing Techniques
3. Good health
Hospitals, University
03 medical and health sciences
Enterobacteriaceae
Blood Culture
Disk Diffusion Antimicrobial Tests
Child, Preschool
Prevalence
Humans
Female
Prospective Studies
Child
DOI:
10.3855/jidc.7536
Publication Date:
2016-10-31T17:36:00Z
AUTHORS (11)
ABSTRACT
Introduction: The increasing frequency of extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae is becoming a serious public health concern. This study sought to determine ESBL frequency in Enterobacteriaceae isolated from patients’ blood cultures in two university teaching hospitals of Bamako, Mali. Methodology: During a three-month period, the presence of Enterobacteriaceae from blood cultures of patients admitted to the university teaching hospitals of Bamako was evaluated. The microbial identifications were initially performed with an API 20E gallery and VITEK2 locally in Mali, and then confirmation in France was performed with a mass spectrometry MALDI-TOF in the bacteriology laboratory of the university teaching hospital of Bichat. Antibiotic susceptibility profiles were determined by the diffusion method as recommended by the European Committee on Antimicrobial Susceptibility Testing (EUCAST). Results: The isolated species were K. pneumoniae (14/40; 35.0%), E. coli (11/40; 27.5%), and E. cloacae (9/40; 22.5%). Of the strains isolated, 21/34 (61.8%) had an ESBL phenotype, including 10/14 (71.4%) K. pneumoniae, 8/11 (72.7%) E. coli, and 3/9 (33.3%) E. cloacae. Resistances associated with ESBL strains of K. pneumoniae, E. coli, and E. cloacae were as follows: gentamicin (10/10, 100%; 6/8, 75%; 2/3, 67%, respectively), amikacin (2/10, 20%; 0/8, 0%; 0/3, 0%, respectively), ofloxacin (8/10, 80%; 7/8, 87%; 3/3, 100%, respectively), and cotrimoxazole (10/10, 100%; 6/8, 75%; 3/3, 100%, respectively). Conclusion: Almost two-thirds (61.8%) of Enterobacteriaceae isolated from our blood cultures were ESBL producers. Only susceptibilities to carbapenems and to amikacin were fully conserved within the strains.
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