Indian Journal of Microbiology Research 6 (2019) 261–265
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Indian Journal of Microbiology Research
Journal homepage: www.innovativepublication.com
Oroginal Research Article
Bacteriological profile and antibiogram of blood culture isolates
from paediatric patients with special reference to ESBL and MRSA
in a tertiary care centre
Hetal G Vaghela
1
, Bithika Duttaroy
1,
*, Khyati C Prajapati
1
1
Dept. of Microbiology, GMERS Medical College and Hospital Gotri, Vadodara, Guajarat, India
ARTICLE INFO
Article history:
Received 24-07-2019
Accepted 03-09-2019
Available online 09-09-2019
Keywords:
Antibiotic susceptibility tests
Blood culture
Bacterial profile
ESBL
MRSA
Paediatric
Septicaemia
ABSTRACT
Introduction and Objective: Blood stream infections are important causes of morbidity and mortality
in neonates and children. Blood culture remains the gold standard for their diagnosis. Emergence of
multi drug resistant bacterial strains is a major problem in the management of sepsis. The antimicrobial
susceptibility patterns help to guide the choice of empiric antimicrobial regimen for the patients with
bacteremia and septicaemia. The present study was undertaken to identify the common bacterial pathogens
associated with paediatric sepsis and to determine their antibiotic susceptibility pattern.
Material and Methods: A retrospective observational study was carried out by reviewing the records
of blood cultures received from clinically suspected paediatric patients of septicaemia between January
to December 2017 in the Department of Microbiology, G.M.E.R.S Medical College and Hospital Gotri,
Vadodara, Gujarat. 713 samples of blood cultures were received and processed during that period. The
isolates were identified by conventional biochemical tests. Antibiotic susceptibility testing was performed
by Modified Kirby-Bauer disc diffusion method and the screened strains were further processed for
detection of Extended Spectrum Beta Lactamases (ESBL) and Methicillin Resistant Staphylococcus aureus
(MRSA) according to CLSI guidelines.
Results: Out of the 713 Blood cultures, 161 (22.58%) were culture positive, of which 120 (74.54%) were
Gram negative isolates and 41 (25.46%) were Gram positive. MRSA was detected in 38.46 % of the
Staphylococcus aureus (S.aureus) isolates. 54% of Klebsiella spp and 52.63 % of Escherichia coli were
found to be ESBL producers.
Conclusion: High rates of isolation of MRSA and ESBL stresses on the need for a continued screening and
surveillance for antibiotic resistance in Paediatric Care Units, which will influence the appropriate empiric
treatment and infection control strategies for prevention of septicaemia in paediatric patients.
© 2019 Published by Innovative Publication.
1. Introduction
Blood stream infections present a serious challenge to
the clinicians as a major cause of death in the paediatric
patients.
1,2
They constitute a medical emergency that
requires timely detection and identification of the blood
borne pathogens and their antibiotic sensitivity pattern.
3
The rate of blood stream infections in children ranges
between 20-25% in developing countries.
4
Blood culture
remains the gold standard for laboratory diagnosis of
bloodstream infections (BSIs) in infants and children.
5,6
* Corresponding author.
E-mail address: drbithika@yahoo.com (B. Duttaroy).
Although both Gram negative and Gram positive bacteria
are associated with these infections, Gram negative bacterial
infections are more fatal and cause more serious therapeutic
problems as multi drug resistant strains are more common
among them.
7–9
In almost all cases, empiric antimicrobial
therapy is initiated before the results of blood culture are
available.
10
This needs to be done carefully as injudicious
use of higher antibiotics leads to the development of multi
drug resistant (MDR) organisms, specifically MRSA and
ESBL producing bacterial isolates. With emergence of
MDR organisms and wide variation in bacterial resistance
pattern based on the geographical and regional location
https://doi.org/10.18231/j.ijmr.2019.057
2394-546X/© 2019 Published by Innovative Publication. 261