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Scholars Journal of Applied Medical Sciences | Volume-3 | Issue-02
Characterization and Antibiogram of Klebsiella spp. Isolated from Clinical Specimen in a Rural Teaching Hospital
Namratha KG, Padiyath Sreeshma, Subbannayya K, Dinesh PV, Hemachandra Champa
Published: April 27, 2015 |
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111
DOI: 10.36347/sjams.2015.v03i02.068
Pages: 878-883
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Abstract
Klebsiella spp. is ubiquitous in nature. They inhabit the environment and intestinal tract of humans and
animals. Klebsiella spp causes variety of healthcare associated infections including pneumonia, urinary tract infections,
blood stream infections, surgical wound infections, peritonitis, septicaemia and meningitis. Klebsiella are highly drug
resistant bacilli causing significant morbidity and mortality. Foregoing study aims at isolation of Klebsiella spp. from
different clinical specimens and their antibiogram, which would enable formulation of appropriate antimicrobial policy
for patients suffering from Klebsiella infection. A total of 1957 various clinical samples at Microbiology diagnostic
laboratory of KVG Medical College & Hospital, Sullia were processed. A total of 100 strains of Klebsiella spp. isolated
were identified by standard procedures. Antibiotic susceptibility testing was done by Kirby-Bauer disc diffusion method
and interpreted as per CLSI guidelines. A total of 100 Klebsiella spp were isolated from 1957 clinical samples including
sputum, urine, blood, wound swabs and various aspirates. 79% were Klebsiella pneumoniae and 21% were Klebsiella
oxytoca. The highest percentage of Klebsiella spp (40%) were isolated from pus sample. The isolates were 100%
sensitive to imipenem and showed sensitivity to fourth generation cephalosporin cefepime (77%), amikacin (74%) and
gentamicin (70%). Isolates showed high resistance to ampicillin (89%), followed by aztreonam (83%) and piperacillin/
tazobactam (67%). Among the third generation cephalosporins tested Klebsiella isolates showed high resistance to
cefotaxime (65%).