• Ju Hyeon Kim, Jae Hyun Lee, Young-Joo Sim, Ghi Chan Kim, and Ho Joong Jeong.
• Department of Physical Medicine and Rehabilitation, Kosin University Gospel Hospital, Busan, Korea.
• Medicine (Baltimore). 2024 Jan 26; 103 (4): e36980e36980.

AbstractUrinary tract infections (UTI) are common in patients with stroke. The colonization of multidrug-resistant organisms (MDR) has recently become a global issue, and infection with MDR is associated with a poorer prognosis. This study aimed to investigate the uropathogenic distribution in stroke patients according to MDR colonization and investigate the infection risk and antibiotic resistance of each uropathogen to help determine initial antibiotic treatment. This study is a retrospective study conducted on patients who underwent inpatient treatment for stroke at Kosin University Gospel Hospital in 2019 to 2021. The participants were classified into Group VRE if vancomycin-resistant Enterococcus (VRE) colonization was confirmed, Group CRE if carbapenem-resistant Enterobacteriaceae (CRE) colonization was confirmed, and Group Negative if no MDR colonization was confirmed. Urine culture was performed if symptomatic UTI was suspected. Uropathogenic distribution, antibiotic resistance patterns were assessed by one-way analysis of variance, independent t-test, and Pearson chi-square test. And the infection risk factors for each uropathogen were assessed by multinomial logistic regression analysis. Six hundred thirty-three participants were enrolled. The mean age of all participants was 69.77 ± 14.91, with 305 males and 328 females, including 344 hemorrhagic strokes and 289 ischemic strokes. No growth in urine culture was the most common finding (n = 281), followed by Escherichia coli (E.coli) (n = 141), and Enterococcus spp. (n = 80). Group Negative had significantly more cases of no growth in urine culture than Group VRE (Odds ratio [OR], 11.698; 95% confidence interval [CI], 3.566-38.375; P < .001) and than Group CRE (OR, 11.381; 95% CI, 2.665-48.611; P < .001). Group VRE had significantly more E.coli (OR, 2.905; 95% CI, 1.505-5.618; P = .001), and more Enterococcus (OR, 4.550; 95% CI, 2.253-9.187; P < .001) than Group Negative. There was no statistical difference in antibiotic resistance according to MDR colonization in E coli, but for Enterococcus spp., Group VRE and CRE showed significantly more resistance to numerous antibiotics than Group Negative. MDR colonization increases the risk of UTI and is associated with greater antibiotic resistance. For appropriate administration of antibiotics in UTI, continuous monitoring of the latest trends in uropathogenic distribution is required, and clinicians should pay more attention to the use of initial empirical antibiotics in patients with MDR colonization.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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