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STUDY ON MICROBIOLOGICAL ANALYSIS OF CATHETER ASSOCIATED URINARY TRACT INFECTIONS IN ICU PATIENTS.

Introduction: Catheter associated urinary tract infection is one of the most common infection among nosocomial infections especially in patients
admitted under Critical care units (ICUs). It is one of the important quality indicator to know about the standards and implementation of hospital
infection practices in a particular hospital. We tried to project the catheter associated urinary tract infection epidemiology and antibiotic sensitivity
pattern of these pathogens.
Materials And Methods: A total of 110 catheter associated urinary tract infections samples were collected and processed for culture.Urine
samples were incubated and organisms were identied based on colony characteristics, lactose fermentation and other biochemical tests.
Sensitivity to common antibiotics was done in all positive cultures.
Results: Among 60 organisms isolated in CAUTI patients, all were monomicrobial isolation. Escherichia coli (53.3%) was the predominant
pathogen isolated followed by Klebsiella pneumoniae (20%), Klebsiella oxytoca (13.3%). Enterobacteriaceae were shown 75% above sensitivity
to penems, tigecycline and colistin.
Conclusion: Prophylactic use of antibiotics in critically ill patients is more helpful to patients but it has to be administered based on hospital
antibiogram. Proper catheter care such as reducing duration of catheterization, adherence to infection control protocols plays a vital role to reduce
the incidence of catheter associated urinary tract infections.