Indian Journal of Pathology and Microbiology

ORIGINAL ARTICLE
Year
: 2014  |  Volume : 57  |  Issue : 1  |  Page : 65--68

Multidrug resistant NDM-1 metallo-beta-lactamase producing Klebsiella pneumoniae sepsis outbreak in a neonatal intensive care unit in a tertiary care center at central India


Atul Khajuria1, Ashok Kumar Praharaj2, Mahadevan Kumar1, Naveen Grover1, Amit Aggarwal1 
1 Department of Microbiology, Armed Forces Medical College, Pune, Maharashtra, India
2 Department of Microbiology, AIIMS, Bhubaneswar, Odisha, India

Correspondence Address:
Atul Khajuria
Departments of Microbiology, AFMC, Pune - 40
India

Objective: The objective of the following study is to detect genes encoding carbapenem resistance in Klebsiella pneumoniae sepsis outbreak in a neonatal intensive care unit (NICU). Materials and Methods: Antibiotic sensitivity test was performed by standard Kirby Bauer disc diffusion technique and minimum inhibitory concentrations of antibiotics was determined by VITEK-2. Polymerase chain reaction (PCR) assays and sequencing was used to determine the presence of beta-lactamase encoding genes. Conjugation experiments were performed to determine the transferability of beta-lactamase. Isolate relatedness were determined by repetitive-element PCR (REP), enterobacterial repetitive intergenic consensus (ERIC) PCR and random amplified polymorphic deoxyribonucleic acid (RAPD). Results: All the isolates were completely resistant to the second and third generation cephalosporins tested as well as carbapenems. Susceptibility profiling of the isolates indicated that 100% retained susceptibility to tigecycline and colistin. Conjugation experiments indicated that blaNDM-1 was transferable and likely through a plasmid-mediated event. All the isolates showed the presence of blaNDM-1 with co association of bla CTX-M-15 . REP-PCR, ERIC-PCR and RAPD revealed a single clonal type circulating in NICU environment. Conclusion: Co-production of NDM-1 with CTX-M-15 in K. pneumoniae isolates was detected for the first time in our NICU. Transmission of plasmid carrying these resistant genes to other members of Enterobacteriaceae will increase the incidence of multidrug resistance. Early detection of these genes will help in prevention and adequate infection control by limiting the spread of these organisms.


How to cite this article:
Khajuria A, Praharaj AK, Kumar M, Grover N, Aggarwal A. Multidrug resistant NDM-1 metallo-beta-lactamase producing Klebsiella pneumoniae sepsis outbreak in a neonatal intensive care unit in a tertiary care center at central India.Indian J Pathol Microbiol 2014;57:65-68


How to cite this URL:
Khajuria A, Praharaj AK, Kumar M, Grover N, Aggarwal A. Multidrug resistant NDM-1 metallo-beta-lactamase producing Klebsiella pneumoniae sepsis outbreak in a neonatal intensive care unit in a tertiary care center at central India. Indian J Pathol Microbiol [serial online] 2014 [cited 2020 Apr 4 ];57:65-68
Available from: http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2014;volume=57;issue=1;spage=65;epage=68;aulast=Khajuria;type=0