scholarly journals Correction to: Neurovascular structure-adjacent frozen-section examination robotic-assisted radical prostatectomy: outcomes from 500 consecutive cases in the UK

Author(s):  
Jonathan Noël ◽  
Neil H. Spencer ◽  
Siya Lodia ◽  
Seiver Karim ◽  
Surina Taneja ◽  
...  
2014 ◽  
Vol 32 (4_suppl) ◽  
pp. 147-147
Author(s):  
Burkhard Beyer ◽  
Pierre Tennstedt ◽  
Katharina Boehm ◽  
Jonas Schiffmann ◽  
Thorsten Schlomm ◽  
...  

147 Background: In robotic-assisted radical prostatectomy (RARP) intraoperative frozen sections are often avoided due to suspected difficulties in harvesting the prostate during this procedure, loss in pneumoperitoneum, increased blood loss and lacking impact on functional outcome. We demonstrate the technique, feasibility and beneficial impact of our NeuroSAFE technique on the rate of nerve-sparing (NS) in RARP and analyse the oncological outcome. Methods: We analyzed 1,570 consecutive patients undergoing RARP from 2004 to 2012. NeuroSAFE was done in 1,178 pts. We compared OR-time, blood loss, frequency of nerve-sparing (NS) and PSM in non-NeuroSAFE versus NeuroSAFE-RARP. The prostate was intraoperatively harvested via an extension of the camera trocar incision without undocking the system. Instrument arms were not undocked. Blood spillage from the dorsal vein complex due to loss of pneumoperitoneum was avoided by upward traction on the transurethral catheter. After prostate removal, pneumoperitoneum was reestablished by closing the extended incision and repositioning of the optical trocar. NeuroSAFE-procedure consisted of intraoperative bilateral frozen sections covering the entire contact area of the prostate and the neurovascular bundles. Results: There was no significant difference in blood loss (253.5±204.4 ml vs. 265.8±246.7 ml, p=0.49) and OR-time. (220 min ± 51 vs. 224 min ± 64, p=0.22). No complications associated with specimen harvesting occurred. NS-rate increased significantly with vs. without NeuroSAFE (overall 97% vs. 81%, pT2 99% vs. 90%, pT3a 94% vs. 74%, pT3b 91% vs. 30). PSM rate dropped significantly with NeuroSAFE (overall 16% vs. 24%, pT2 8% vs. 15%, pT3a 22% vs. 39%, pT3b 49% vs. 67%, all p<0.05). Conclusions: We demonstrate a time-efficient adaption of the NeuroSAFE without patient side cart undocking, easy harvesting process, no increased blood loss or OR-time increased rate of nerve-sparing frequency and reduction of PSMs.


2021 ◽  
Vol 39 (6_suppl) ◽  
pp. TPS262-TPS262
Author(s):  
Eoin Dinneen ◽  
Jack Grierson ◽  
Aiman Haider ◽  
Alex Freeman ◽  
Jonathan Aning ◽  
...  

TPS262 Background: Robot-assisted radical prostatectomy (RARP) offers cure for localised prostate cancer but is associated with considerable toxicity. Potency and urinary continence are improved when the neurovascular bundles (NVBs) are preserved during a nerve-sparing (NS) RARP. The NeuroSAFE (intra-operative frozen section examination of the neurovascular structure adjacent prostate margin) seeks to promote optimal NS to maximise the opportunity for functional recovery without jeopardising oncological safety. The NeuroSAFE technique in RP has never been evaluated against a standard of care in an randomised controlled trial. Methods: This is a pragmatic, multicentre, single-blinded randomised controlled trial (RCT) in which men are allocated in a 1:1 ratio to NeuroSAFE RARP or standard RARP. Men in the NeuroSAFE RARP arm will undergo RARP with NS guided by the NeuroSAFE technique. Men in the standard RARP arm will undergo RARP with NS guided by standard current practice (prostate cancer clinical characteristics, multi-parametric magnetic resonance imaging (mpMRI) recommendations and digital rectal examination (DRE)). Eligible men will have operable localised prostate cancer, will be opting for RARP as primary treatment and will have good baseline erectile function (EF) (as defined by an Internatinoal Index of Erectile Function (IIEF)-5 score >21). The primary outcome is the proportion of men who achieve EF recovery at 12-months according to the IIEF. Oncological safety will be ensured by the independent DMC who will routinely review proportions of men with treatment failure (adjuvant therapy or biochemical recurrence (BCR)) in each arm. A sample size of 404 is estimated required. NeuroSAFE PROOF will continue to follow participant recovery for 5 years following treatment. Key secondary outcomes include patient-reported urinary continence recovery, sexual satisfaction, quality of life, and economic analyses. NeuroSAFE PROOF will be the first RCT of frozen section in radical prostatectomy (RP) in the world. Ethics and dissemination: Ethical approval was obtained from the National Research Ethics Committee North London (17/LO/1978). Results of this study will be disseminated through national and international papers, and to study participants. Clinical trial information: NCT03317990.


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