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| Topic: |
Kidney and Urologic Diseases (KU) |
| Title: |
Factors Predisposing to Urinary Tract Infection After J Ureteral Stent Insertion. |
| Author: |
Kehinde, E.O., et al. |
| Source: |
Journal of Urology. 167(3): 1334-1337. March 2002. |
| Availability: |
Available from Lippincott Williams and Wilkins. 12107 Insurance Way, Hagerstown, MD 21740. (800) 638-3030 or (301) 714-2334. Fax (301) 824-7290. |
| Abstract: |
This article reports on a study undertaken to determine the group of patients most likely to have bacterial infection or colonization of J stents inserted to relieve ureteral obstruction. Midstream urine from 250 consecutive patients who required indwelling J stent insertion obtained before stent insertion and on the day of stent removal was analyzed by microbiological testing. At stent removal, 3 to 5 centimeters of the stent tip located inside the bladder was also sent for culture. Patient sex, duration of stent insertion, and systemic disease, such as diabetes mellitus, chronic renal (kidney) failure, or diabetic nephropathy (kidney disease associated with diabetes) were recorded. Of the 250 patients studied, 180 (72 percent) were men and 70 (28 percent) were women, while 152 (60.8 percent) had no systemic disease, 27 (10.8 percent) had diabetes mellitus, 53 (21.2 percent) had chronic renal failure (CRF), and 18 (7.2 percent) had diabetic nephropathy. The bacteriuria rate was 4.2 percent for stents removed within 30 days and 34 percent for stents removed after 90 days. Overall, the bacteriuria (bacteria in the urine) in women was 24.3 percent compared with 13.9 percent in men. The rate of bacteriuria in normal patients was significantly lower (3.3 percent) than in patients with diabetes mellitus, CRF, and diabetic nephropathy (33. 3 percent, 39.6 percent, and 44.4 percent, respectively). The colonization rate of the tip of the stent was higher in women (64.3 percent) than in men (34.7 percent). The stent was removed prematurely in 9 of the 250 patients (3.6 percent) because of septicemia, including 7 women (77.8 percent) with systemic disease. The authors conclude that the risk of bacteriuria and colonization of the J stent tip is significantly enhanced by the duration of stent retention, patient sex, and the systemic disease. These categories of patients should undergo shorter stent retention, antimicrobial prophylaxis, and careful followup to minimize infectious complications. 5 tables. 19 references. |
| Format: |
Journal Article |
| Language: |
English. |
| Major Keywords: |
Urologic Diseases. Urinary Tract Infections. Stent. Ureters. Risk Factors. Etiology. |
| Minor Keywords: |
Equipment and Supplies. Systemic Disease. Diabetes Mellitus. Diabetic Nephropathy. Chronic Kidney Failure. Sex Factors. Bacterial Infections. |
| Publication Number: |
KUJA09602 |
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