期刊
JOURNAL OF UROLOGY
卷 185, 期 2, 页码 556-561出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.juro.2010.09.102
关键词
stents; ureteral obstruction; neoplasm metastasis
Purpose: We analyzed the prognostic factors associated with overall survival and predictive factors of stent failure in patients treated with an indwelling retrograde ureteral stent for malignant ureteral obstruction. Materials and Methods: Among 186 Japanese patients treated with an indwelling retrograde ureteral stent for ureteral obstruction from January 2005 to March 2010, 61 with malignant ureteral obstruction and 95 ureteral units were analyzed retrospectively. Results: Median survival was estimated at 228 days. Unfavorable prognostic factors of overall survival were no treatment after indwelling retrograde ureteral stent placement (p = 0.023) and a serum creatinine before indwelling retrograde ureteral stent placement of 1.2 mg/dl or greater (p = 0.016). Overall survival differed significantly among cancer groups (p <0.001) as did stent failure-free survival (p = 0.011). Overall survival differed significantly among 3 risk groups divided according to the score calculated with regard to prognostic factors (p <0.001). Conclusions: Gynecologic cancer was a significant favorable predictor of stent failure-free survival. Patients treated with an indwelling retrograde ureteral stent for malignant ureteral obstruction were divided into 3 groups, which showed significant differences in overall survival. This risk classification may help urologists predict survival time.
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