Utility of whole‑cell repetitive extragenic palindromic sequence‑based PCR (REP‑PCR) for the rapid detection of nosocomial outbreaks of multidrug resistant organisms: Experience at a tertiary care center in North India.
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Date
2015-04
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Abstract
Background: There is a huge need to develop molecular typing methods which are simple to perform, rapid and cost
effective to confirm clonality of nosocomial isolates in outbreak situations. Objectives: The aim of the study was
to investigate a hospital outbreak of multi-drug resistant (MDR) Klebsiellapneumoniae septicemia in a paediatric
surgery intensive care unit (PSICU) using a repetitive extragenic palindromic polymerase chain reaction (REP‑PCR).
Materials and Methods: MDR Klebsiella pneumoniae isolates from an outbreak of nosocomial sepsis were typed
byREP‑PCR using consensus primers. Isolates from different intensive care units (ICUs) but with similar antibiogram were
also genotyped for comparison. Results and Conclusion: A cluster of twelve MDR K Pneumoniae septicemia cases was
identified at the PSICU by genotyping using REP‑PCR. Surveillance cultures failed to pick up any source of infection.
REP‑PCR was found to be a rapid and simple tool for investigation outbreaks in hospitals. Due to early detection we could
initiate infection control practices with focus on hand washing and prevent the further transmission of the organism.
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Keywords
Diagnosis, nosocomial, outbreak, repetitive extragenic palindromic polymerase chain reaction, rapid
Citation
Singh G, Biswal M, Hallur V, Rao KLN, Ray P, Gautam V, Appannanavar SB, Taneja NM, Hallur V, Rao KLN, Ray P, Gautam V, Appannanavar SB, Taneja N. Utility of whole‑cell repetitive extragenic palindromic sequence‑based PCR (REP‑PCR) for the rapid detection of nosocomial outbreaks of multidrug resistant organisms: Experience at a tertiary care center in North India. Indian Journal of Medical Microbiology. 2015 Apr; 33(2): 221-224.