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KMID : 1011820180590010010
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Investigative and Clinical Urology
2018 Volume.59 No. 1 p.10 ~ p.17
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Rate and association of lower urinary tract infection with recurrence after transurethral resection of bladder tumor
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Kim Byung-Soo
Tae Bum-Sik
Ku Ja-Hyeon
Kwak Cheol
Kim Hyeon-Hoe
Jeong Chang-Wook
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Abstract
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Purpose: To evaluate the rate of pyuria and bacteriuria after transurethral resection of bladder tumor (TURBT).
Materials and Methods: We retrospectively evaluated data obtained from 363 patients who underwent TURBT between October 2012 and December 2013 at Seoul National University Hospital. Urinalysis and urine culture were assessed at 3, 6, 12, and 24 months postoperatively. Primary endpoint was the rate of bacteriuria (≥105/mL in a midstream) and pyuria (white blood cells ≥5/high-power field).
Results: We analyzed 306 patients who were eligible for the study. Pyuria was present in 23.5% of patients in the 3rd postoperative month and in 31.7% of patients in the 24th postoperative month. Bacteriuria was present in 1.3% of patients in the 3rd postoperative month and in 2.6% of patients in the 24th postoperative month. Among urothelial carcinoma patients (n=220), 24.1% showed pyuria and 1.8% showed bacteriuria at the 3rd postoperative month. We found that 31.8% showed pyuria and 3.2% showed bacteriuria at the 24th postoperative month. There was no significant difference in the rate of pyuria and bacteriuria between the intravesical treatment group and the no-treatment group. Multivariate analysis demonstrated that pyuria in the 3rd postoperative month (odd ratio [OR], 2.254; p=0.039), tumor multiplicity (OR, 3.331; p=0.001), and the absence of intravesical treatment (OR, 4.927; p=0.001) increases the risk of tumor recurrence.
Conclusions: A significant proportion of patients showed pyuria after TURBT during the follow-up period. Additionally, presence of pyuria in the short-term follow-up period after TURBT constitutes a risk factor for recurrence of bladder cancer.
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KEYWORD
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Pyuria, Recurrence, Urinary bladder neoplasms
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