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Clinical and oncological outcomes of robot-assisted radical prostatectomy with nerve sparing vs. non-nerve sparing for high-risk prostate cancer cases.

ABSTRACT: Robot-assisted radical prostatectomy (RARP) is one of the most widely used procedures for localized prostate cancer (PCa). In the present study, the clinical and oncological outcomes of RARP with bilateral or unilateral nerve sparing (NS) for D'Amico high-risk PCa cases were assessed. Among the 767 cases who received RARP at Fujita Health University Hospital between August 2009 and December 2016, 230 high-risk PCa cases who were observed for >6 months comprised the retrospective study cohort. Bilateral NS was performed with the bilateral neurovascular bundle in eight, unilateral in 125 and none in 97 cases. Perioperative parameters [surgery time, console time, estimated blood loss, pathological stage, positive lymph node metastases [pN (+)], and surgical margin positivity] did not exhibit significant differences between the NS and non-NS cohorts. During a median follow-up time of 25 months, the 1- and 3-year biochemical recurrence (BCR)-free survival rates in the NS/non-NS cohorts were 84.4/86.0 and 72.7/75.0%, respectively. There were no significant differences identified between the two groups at each time period. According to multivariate analysis, the resection margin was an important factor for time to BCR, regardless of the NS technique used. The numbers of pads used daily at 3 and 6 months after RARP between the NS/non-NS cohorts were 1.1/1.5 and 0.6/1.0, respectively (P=0.045 and P=0.009), suggesting that the NS technique resulted in significantly improved outcomes regarding urinary continence recovery. In selected high-risk PCa cases, the NS technique resulted in equivalent oncological outcomes and improved urinary continence compared with the non-NS RARP group.

SUBMITTER: Takahara K

PROVIDER: S-EPMC6757315 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Clinical and oncological outcomes of robot-assisted radical prostatectomy with nerve sparing vs. non-nerve sparing for high-risk prostate cancer cases.

Takahara Kiyoshi K Sumitomo Makoto M Fukaya Kosuke K Jyoudai Takahito T Nishino Masashi M Hikichi Masaru M Zennami Kenji K Nukaya Takuhisa T Ichino Manabu M Fukami Naohiko N Sasaki Hitomi H Kusaka Mamoru M Shiroki Ryoichi R

Oncology letters 20190731 4

Robot-assisted radical prostatectomy (RARP) is one of the most widely used procedures for localized prostate cancer (PCa). In the present study, the clinical and oncological outcomes of RARP with bilateral or unilateral nerve sparing (NS) for D'Amico high-risk PCa cases were assessed. Among the 767 cases who received RARP at Fujita Health University Hospital between August 2009 and December 2016, 230 high-risk PCa cases who were observed for >6 months comprised the retrospective study cohort. Bi ...[more]

PMID: 31579411

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Project description:IntroductionSolitary fibrous tumors (SFTs) of the prostate are extremely rare. We report on a 60-year-old man who was diagnosed with prostatic SFT through transurethral resection (TUR) of the prostate, and we provide a narrative literature review to put the case into perspective. We looked into multiple databases for articles published before June 2022.Case reportA 60-year-old man without comorbidities presented with acute urinary retention and significant macrohematuria. Due to recurrent bladder tamponades and relevant blood loss despite irrigation, an emergency endoscopic transurethral evaluation was initiated. Intraoperatively, diffuse venous hemorrhage from prostatic vessels around the bladder neck was detected, as well as significant hemorrhage from a grossly enlarged and tumor-suspicious prostate middle lobe. Within the framework of extensive bipolar coagulation, parts of the suspicious middle lobe were removed via TUR. The final histopathology report showed incompletely resected SFT of the prostate. Due to the extremely rare SFT diagnosis, the case was discussed in an interdisciplinary tumor board and further diagnostic workup, including thoracoabdominal computed tomography and magnetic resonance imaging of the pelvis, was performed, which revealed no secondary tumors or signs of metastasis. According to the tumor board recommendation, robot-assisted radical prostatectomy (RARP) with bilateral nerve sparing was performed, supported by intraoperative frozen section. The final histopathology confirmed the SFT that had developed from the transition zone. The SFT was resected with negative frozen section result and negative surgical margins (R0). No intra- and perioperative complications occurred, and in the short-term follow-up, the patient presented in excellent general status with full continence. From 1997 to June 2022, we identified a total of 12 publications reporting on treatment for prostatic SFT (11 case reports and 2 patient series), with none performing bilateral nerve sparing, frozen section, or robot-assisted radical prostatectomy. No common survival endpoints were accessible.ConclusionThis case demonstrates the exceedingly rare case of SFT of the prostate, which has been described in the literature in only 23 men worldwide. Here, we were the first to demonstrate the feasibility of bilateral nerve-sparing RARP supported by frozen section. A systematic review was not possible due to the lack of common endpoints.

Project description:PurposeThis study investigated the oncological and functional outcomes of robot-assisted radical prostatectomy (RaRP) in high-risk and very high-risk prostate cancer patients.Materials and methodsOne hundred localized prostate cancer patients receiving RaRP from August 2015 to December 2020 were retrospectively enrolled. According to NCCN risk classification, patients were classified into two groups, below high-risk group, and high-risk/very high-risk group, to analyze continence outcome within postoperative year one and biochemical recurrence-free survival.ResultsThe mean age of the cohort was 69.7 ± 7.4 years with a median follow-up of 26.4 (range 3.3-71.3) months. Among them, 53%, and 47% patients were below high-risk group, and high-risk/very high-risk group, respectively. The median biochemical recurrence-free survival of the entire cohort was 53.1 months. The high-risk/very high-risk group without adjuvant treatment had significantly worse biochemical recurrence-free survival than the high-risk/very high-risk group with adjuvant treatment (19.6 vs. 60.5 months, p = 0.029). Rates of postoperative stress urinary incontinence at 1 week, 1 month, and 12 months were 50.7%, 43.7%, and 8.5%, respectively. High-risk/very high-risk patients had significantly higher rates of stress urinary incontinence at postoperative week 1 (75.8% vs. 28.9%) and month 1 (63.6% vs. 26.3%) than the below high-risk group (both p < 0.01). Rates of stress urinary incontinence after RaRP did not differ between two groups from postoperative 3 months to 12 months. The factor of high-risk / very high-risk group was a predictor of immediate but not for long-term postoperative stress urinary incontinence.ConclusionsHigh-risk and very high-risk prostate cancer patients receiving a combination of RaRP and adjuvant treatment had comparable biochemical recurrence-free survival to below high-risk prostate cancer patients. The high-risk/very high-risk factor impeded early but not long-term postoperative recovery of continence. RaRP can be considered a safe and feasible option for high-risk and very high-risk prostate cancer patients.

Dataset Information

Clinical and oncological outcomes of robot-assisted radical prostatectomy with nerve sparing vs. non-nerve sparing for high-risk prostate cancer cases.

Publications

Clinical and oncological outcomes of robot-assisted radical prostatectomy with nerve sparing vs. non-nerve sparing for high-risk prostate cancer cases.

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