DOI: http://dx.doi.org/10.18203/2320-1770.ijrcog20203295

The study of antibiotic-sensitivity and resistance pattern of bacteria causing catheter associated urinary tract infection

Abha Singh, Avinashi Kujur, Muthulakshmi M., Abha Daharwal

Abstract


Background: present study is done to study the antibiotic-sensitivity and resistance pattern of bacteria causing catheter associated urinary tract infection. Objectives of this study were to study the bacterial etiology of CAUTI, to study the prevalence of various bacteria causing catheter associated urinary tract infection, the antibiogram (sensitivity and resistance) pattern of isolated bacteria and the percentage of asymptomatic bacteriuria in the study population.

Methods: In this prospective observational study, under aseptic precautions, urine sample was taken after 48 hours of catheterization and sent for culture and sensitivity pattern is studied.

Results: In this study 500 urine samples were cultured and its antibiotic sensitivity pattern was observed. Out of the 53 culture positive samples most the subjects had asymptomatic bacteriuria. The study gave the incidence of catheter associated urinary tract infection (CAUTI) to be 10.6% and about 9% were polymicrobial. In this study about 7 causative bacteria were isolated. Escherichia coli were the most common organism that was isolated. On studying the antibiotic susceptibility pattern of each isolate, it has been observed that all of them are multidrug resistant and the sensitivity pattern is migrating towards higher antibiotics.

Conclusions: Empirical use of antibiotics must be avoided and antibiotics must be used only after sensitivity testing. This will help in selection of the appropriate antibiotic for therapeutic use and prevent indiscriminate and irrational use of antibiotics. This will also improve the cost efficiency and decrease the duration of hospital stay.


Keywords


Antibiotic resistance, Antibiotic sensitivity, Catheter associated urinary tract infections

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References


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