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Giuseppe Morgia Tommaso Castelli Salvatore Privitera Chaled Al-Nakib Vincenzo Favilla Francesco Marchese 《The aging male》2016,19(1):15-19
We aimed to investigate the predictive factor of erectile dysfunction (ED) in prostate cancer (PCa) patients who underwent low-dose permanent I125 seed implant brachytherapy and to investigate if ED could represent a patient’s reported outcome measures (PROMs) of efficacy of BT and indirectly associated with biochemical recurrence free survival (BRFS). From 2000 to 2012, 176 consecutive patients with low-risk PCa underwent BT. ED was evaluated with the International Index of Erectile Function (IIEF-5). Cox regression analysis was performed to assess significant predictors of mild-to-severe ED and BRFS after BT, including covariates. The 10-year actuarial rate of ED was 66%. Subjects with severe ED had higher values of D90 (183.0 versus 177.0; p?0.05) and V100% (40.1 versus 31.4; p?0.05) compared with normal. At the multivariate logistic regression analysis, D90 (OR: 1.10; p?0.05) was an independent predictor of ED. Multivariate Cox-regression analysis did not demonstrate significant association between erectile preservation and biochemical recurrence (BCR) after 10 years of follow up (HR: 2.15; p?=?0.20), while D90?≤?180?Gy independently predicted BCR (HR: 4.65; [95%CI: 1.25–17.34]; p?0.05). Erectile preservation should be addressed as valuable PROMs after permanent seed I125 implant, but it is not associated with better BRFS. 相似文献
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