Studying the frequency of catheter-associated urinary tract infections in children depending on the conditions of catheterization of the bladder

Z.T. Sadova-Chuba


Instrumental manipulations on the urinary system and/or catheterization of the urinary bladder have been applied to the majority of patients having hospital-acquired urinary tract infections. Most hospital-acquired urinary tract infections are catheter-associated. The purpose of the work was to study the frequency of catheter-associated urinary tract infections in patients of the intensive care unit in the pediatric clinic, depending on the conditions in which the catheterization of the bladder was performed. Sixty patients of the intensive care unit of Lviv Regional Children’s Clinical Hospital “Ohmadyt” aged 6–12 years with purulent surgical pathology and pneumonia were examined. They were divided into two groups, 30 persons in each: patients who underwent catheterization of the bladder in the operating room (group 1); children to whom catheterization of the bladder was conducted in the intensive care unit (group 2). The main criterion for the diagnosis of catheter-associated urinary tract infection was bacteriuria (≥ 105 CFU/ml). Microbiological urine culture was performed on days 3 and 5 after catheterization of the bladder. According to the study results, the frequency of catheter-associated urinary tract infections and the rate of bacteriuria were significantly lower in group 1 compared to group 2. The difference between group 1 and group 2 is significant on day 5. Also, we can observe that in girls, bacteriuria due to catheterized bladder occurred more often (in 43 % of female patients on day 5) and was faster (in 20 % on day 3 of catheterization) than in boys (7 and 17 %, respectively). The results obtained allow us to draw the following conclusions: the rate of catheter-associated urinary tract infections is more influenced by the conditions in which the catheterization of the bladder is performed rather than background antibiotic therapy; generally, bacteriuria after bladder catheterization develops faster and more often in girls than in boys.


catheter-associated urinary tract infections; children; hospital-acquired infections


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