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논문 기본 정보

자료유형
학술저널
저자정보
Useok Choi (Uijeongbu St. Maryʼs Hospital) Eun Jae Kim (Uijeongbu St. Maryʼs Hospital) Don Hee Lyu (Uijeongbu St. Maryʼs Hospital) Bong Hee Park (Uijeongbu St. Maryʼs Hospital) Hong Chung (Konkuk University School of Medicine Chungju) Chang Hee Han (Uijeongbu St. Maryʼs Hospital) Sangrak Bae (Uijeongbu St. Maryʼs Hospital)
저널정보
대한요로생식기감염학회 Urogenital Tract Infection Urogenital Tract Infection 제16권 제3호
발행연도
2021.12
수록면
61 - 66 (6page)
DOI
10.14777/uti.2021.16.3.61

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Purpose: This study examined the effects of long-term ureteral stent (US) on urinary tract infection (UTI) by bacterial migration and bacterial colonization. Materials and Methods: From March 2014 to August 2021, 64 patients who underwent US for more than six months were enrolled in this study. When the US was inserted for the first time and replaced regularly, urine was collected from the bladder and renal pelvis and cultured. Patients’ the characteristics, and differences in pathogens related to US infection were analyzed. Results: The mean age was 66.4 years, and the mean duration of indwelling was 37.5 months. There were 38 cases (59.3%) by malignant and 26 cases (40.6%) by benign causes. UTI occurred in 33 cases (53%); 16 cases (25%) were hospitalized for febrile UTI. After the initial US insertion, bacteria were identified in the bladder 285 days later and in the renal pelvis after 619 days. The bladder culture was positive in 10 of the 33 patients, and renal pelvis alone was positive in nine of the 33 patients. The same strain was confirmed in the bladder and renal pelvis in 12 cases (18.8%), and it took a mean of 5.8 months ± 6.32 (standard deviation) for the upward migration of bacteria. Conclusions: UTIs occur in approximately 50% of patients with long-term US indwelling. The probability of culturing the same strain by a US was approximately 18.8%, and the role of pathogen transmission of a US does not appear to be significant. In addition, renal pelvis culture would be helpful in cases of failed bladder antibiotics susceptibility.

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