DOI: http://dx.doi.org/10.18203/2320-6012.ijrms20184043

Epidemiology of carbapenem-resistant Enterobacteriaceae colonization in ICU: a pilot study from a tertiary care hospital in Western Rajasthan, India

Ekadashi Rajni, Vikas Rajpurohit, Praveen Rathore, P. K. Khatri

Abstract


Background: Carbapenem-resistant Enterobacteriaceae (CRE) is a serious global public health threat. Antibiotic overuse, improper sanitation and unhygienic practices lead to large scale carriage and rapid spread.

Methods: This is a prospective hospital based study planned for a period of 3 months including all patients admitted to 14 bedded Trauma ICU of a tertiary care hospital in Rajasthan. Rectal swabs were collected from admitted patients and carriage of carbapenem resistant Enterobacteriaceae looked for as per CDC guidelines. Screening of the Enterobacteriaceae colonies for carbapenemase production was done by Modified Hodge test. Carbapenem-resistant isolates were also tested for Metallo beta lactamase production by phenotypic disc confirmatory test.

Results: A total of 73 patients were screened and 27 CRE isolates were obtained, carriage rate being 37%. A high level of resistance was seen to aminoglycosides, fluoroquinolones and cephalosporins. 100% sensitivity was however seen to Colistin, Tigecycline and Fosfomycin. 5 out of 27 strains showed a positive MHT test. Metallo beta lactamase (MBL) production was seen in 21/25 strains as tested by meropenem and Meropenem-EDTA discs.

Conclusions: The current pilot study finds out the prevalence of CRE carriage among critically ill patients and stresses upon strong need for stringent infection control measures.


Keywords


Carbapenem resistant Enterobacteriaceae, ICU, Rectal swab, Surveillance

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