University of Wisconsin preservation solution enhances intrarenal nitric oxide production
TRANSPLANTATION PROCEEDINGS(2000)
摘要
Focal cryotherapy can be used to treat patients with clinically significant nonmetastatic prostate cancer to reduce side effects.Early-medium-term cancer control and functional outcomes.A prospective registry-based case series of 122 consecutive patients undergoing focal cryotherapy between October 1, 2013, and November 30, 2016, in five UK centres. Median follow-up was 27.8 mo [interquartile range (IQR) 19.5–36.7]. A total of 35 patients (28.7%) had National Comprehensive Cancer Network (NCCN) high risk and 87 (71.3%) had intermediate risk disease. Risk and zonal stratification included multiparametric magnetic resonance imaging (mpMRI) with targeted and systematic biopsies, or transperineal mapping biopsies.Focal cryoablation of MR-visible tumours.Follow-up involved prostate-specific antigen (PSA) monitoring, mpMRI, and for-cause biopsies. Primary outcome was failure-free survival (FFS), defined as transition to radical, whole-gland, or systemic therapy, or metastases/death. Secondary outcomes included adverse events and functional outcomes.A total of 80 (65.6%) had anterior ablation, 23 (19.7%) combined posterior and anterior ablation, and two (1.6%) posterior ablation alone (SeedNet or Visual-ICE, BTG plc). Median age was 68.7 yr (IQR 64.9–73.8) and preoperative PSA 10.8 ng/ml (IQR 7.8–15.6). Overall FFS at 3 yr was 90.5% [95% confidence interval (CI) 84.2–97.3]. When stratified for the NCCN risk group, 3-yr outcomes were 84.7% (95% CI 71.4–100) in high risk and 93.3% (95% CI 86.8–100) in intermediate risk. At last follow-up, incontinence defined as any pad use was 0/69 (0%) and erectile dysfunction (defined as erections insufficient for penetration) was 5/31 (16.1%). Limitations include lack of long-term outcomes.Focal cryotherapy primarily for anterior intermediate and high-risk prostate cancer results in good rates of cancer control and low rates of treatment-related side effects.In this multicentre study of 122 patients undergoing focal cryotherapy for medium- to high-risk prostate cancer, at 3 yr, no patient died from their cancer whilst failure-free survival, was approximately 90%. None of the patients needed pads for managing urine leakage, although 16% had erection problems.
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关键词
nitric oxide
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