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Introduction: Urinary tract infection is one of the most common nosocomial infections that mainly occur after instrumentation in urinary tract, particularly after urinary catheterization. This study was conducted to assess disinfection's effects of meatus and urinary catheter with 10% Povidone Iodine ointment on incidence of bacteriuria in hospitalized patients of neurological unit of Shohadaye Tajrish hospital in iran. Methods and Materials: This study , is a randomized clinical trail which is done on Seventy stroke's patients that were catheterized by urologic expert's selected on convenience sampling and randomly divided to tow groups (Experimental group: 35 patients, Control group: 35 patients). In the experimental group, meatus and catheter drainage tube junction were disinfected daily and spigot was disinfected tow times a day by PVP10% ointment. In the control group the cares were done by normal saline. In days: 2,5,8,11,14 a urine sample was sent to lab for culture. The maximum period of study was 14 days. Results: Incidence of bacteriuria in experimental and control groups were 20% and 42.9%, respectively. Relative risk was 2.14. In patients with positive urine cultures: puri was 85.7% in experimental group and 86.6% in control group. Clinical symptoms of UTI were seen in 28.6% in experimental group and 33.3% in control group. Conclusion: This study showed that application of povidone-iodine 10% ointment for disinfection meatus and catheter drainage tube junction is effective to prevent catheter-associated urinary tract infection in male patients.

Keywords: Disinfection, Urinary Catheter, Meatous, Povidone Iodine, Bacteriuria

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