Bacterial Colonization of Ureteral Double-J Stents in Patients with Negative Urine Culture
Journal Title: Journal of Urological Surgery - Year 2019, Vol 6, Issue 2
Abstract
Objective: Ureteral double-J stents are extensively used in urology practice. We aimed to investigate the bacterial colonization rate and predominant microorganisms on ureteral double-J stents in patients with negative urine cultures in a prospective study. Materials and Methods: A total of 35 double-J ureteral stents from 35 consecutive patients were examined. The cyctoscopically removed stents were divided into three parts as upper, middle and lower then sent for the microbiologic examination with a urine sample just taken before stent removal. The samples were inoculated on sheep blood agar and eosin-methylene blue agar culture mediums. The growth of >1000 colony-forming units/mL was considered significant. The antimicrobial susceptibility test was performed with 10 broad spectrum antibiotics. Results: Bacterial colonies were found in 20% of 35 ureteral stents. The most frequently isolated bacteria was Staphylococcus epidermidis, followed by Escherischia coli and Enterococcus faecalis. Bacterial colonization was revealed in all parts of the stents in 71.4% cases. The stent indwellingtime was correlated with stent culture positivity (p=0.035). However, no correlation was detected with gender, age and stent colonization (p≥0.05). Conclusion: Negative urine culture result does not always rule out positive stent culture. Even not routinelly recommended, stent culture could be useful for treatment of a possible postoperative urinary tract infection and sepsis in high risk patients who undergo endourologic surgery.
Authors and Affiliations
Volkan Ülker, Nisel Yılmaz, Neval Ağuş, Ertan Can, Özgür Çakmak, Cem Yücel, Orçun Çelik, Yusuf Özlem İlbey
Keywords
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- EP ID EP48990
- DOI 10.4274/jus.galenos.2019.2343
- Views 333
- Downloads 0
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