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 Table 1. Robotic intracorporeal neobladder study series: the perioperative outcomes

 Number of   Number of   Median OT  EBL   Patients had   Number of events of   Number of events of   Median length of
 Technique
 Study  patients had   patients had  (min) in   (mL) in  transfusion in   complication Clavien-Dindo  complication Clavien-Dindo  hospital stay
 of RIN
 RARC  RIN  RIN  RIN   RIN  ≥ III at 30 days in RIN  ≥ III at 90 days in RIN  (days) in RIN
 [39]
 Collins et al.   2014  Studer U  147  80  420  n/a  n/a  n/a  n/a        n/a
 [40]
 Goh et al.   2012  Studer U  15  8  450  225  3  2  2                    8
 [5]
 Hosseini et al.  2020 Studer U  158  158  363  300  n/a  35  10          8
 [20]
 Obrecht et al.     Modified   12  12  575  600  n/a  n/a  n/a            n/a
 2020  Studer
 [41]
 Tyritzis et al.   2013  Studer U  70  70  420  500  3  22  13            9
 [42]
 Desai et al.   2014  Studer U  132  132  456  430  6  20  17             10.6
 [13]
 Tuderti et al.   2020 Padua  11  11  255  n/a  n/a  0  n/a               7
 [43]
 Schwentner et al.     Studer U  62  62  476  385  n/a  16  16            17
 2015
 [44]
 Gu et al.   2020  Studer U  12  12  419  400  8  1  1                    14.5
 [23]
 Jonsson et al.   2011 Modified   45  36  480  625  n/a  3  5             9
 Studer

 RIN: Robotic intracorporeal neobladder; RARC: robot-assisted radical cystectomy; OT: operating time; EBL: estimated blood loss.



 to out either side of 6 o’clock, and the suturing is completed circumferentially over a 22 Fr catheter, out to in on the ileal side, and in to out on the urethral
 side.



 Isolation of neobladder bowel segment and re-anastomosis of the bowel [Figure 4]: once the UIA is complete, as described above, the bowel is divided with
 Endo-GIA™ Laparoscopic staplers which are passed through the “fourth arm” 15 mm port, once the robotic instrument has been removed. It is done 10 cm

 above the UIA for the right ileal neobladder limb and 40 cm above the UIA for the left ileal neobladder limb. The ileum is then re-anastomosed using both a
 60 mm and a 45 mm cartridge, finally closing the upper aspect of the anastomosed bowel with another 60 mm cartridge.



 Detubularization of the ileal neobladder limbs and formation of the posterior plate [Figures 5 and 6]: both limbs of the neobladder are opened over the suction
 instrument, except for 10 cm of the proximal aspect of the left ileal limb, which forms the “chimney”. Once detubularized, stay sutures are placed to bring the

 medial sides of the top of the right ileal neobladder limb to the medial aspect of the left ileal neobladder limb, just at the bottom of the chimney. Two more stay
 sutures are placed. First, 10 cm below the chimney, the medial aspect of the left ileal neobladder limb is sutured to the upper aspect of the ileum just above the
 UIA. It leaves an open U-shaped loop of 20 cm of the left ileal neobladder limb on the left side of the pelvis. The final stay suture is placed at its most lateral

 aspect, bringing the inner aspect of the upper and lower parts of this loop together. With the stay sutures in place, the different parts of the posterior plate are
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