pneumoniae & associated risk factors
2009
Received March 12, 2008Background & objectives: Extended spectrum β-lactamases (ESBLs) have emerged as a major threat worldwide with limited treatment options. The genotypes of ESBL producing strains largely remain unknown in India; hence the present study was aimed to determine the occurrence of ESBLs in Escherichia coli and Klebsiella pneumoniae, their molecular types and associated risk factors in a tertiary care hospital.Methods: Total 200 consecutive clinical isolates of E. coli (n=143)and K. pneumoniae (n=57)collected between February and July 2006 at Sanjay Gandhi Postgraduate Institute of Medical Sciences, a tertiary care hospital in north India, were examined phenotypically for ESBL production. ESBL strains were further typed for the bla
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