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WJOLS


                                                      Is there an Ideal Port Position for Laparoscopic Urological Procedures?

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                                                                 37
          ports, most especially when it is to be robotic assisted   port  while others described umbilical primary port and
          others described the distance of the second and third ports  both lower abdominal quadrants ports. 38,39
          to be 8 to 10 cm from the camera port. 30
             Transumbilical LESS radical prostatectomy was first   Mitrofanoff
          described in 2008 by Kaouk et al, through the umbilicus   A four­port transperitoneal approach is described, with
          using a single three­channel port, and 2 years later Desai   camera at umbilicus, two 5 mm at left lower quadrant and
          et al published the initial series of single­port transvesical   right midaxillary line at the level of the umbilicus. Fourth
          simple prostatectomy where a single­port device inserted   port at left midaxillary also at umbilical level. 40
          percutaneously into the bladder through a 2 to 3 cm incision
          in the suprapubic skin crease was used. 5           other LESS Procedures


          Laparoscopic Cystectomy                             Single site laparoscopic surgery has been reported in small
                                                              numbers for a variety of other urological conditions. A mesh
          Laparoscopic cystectomy has been described by many   sling has been successfully removed from the bladder via a
          authors, but remains to be evaluated and is far from    transvesical approach. Sacrocolpopexies, orchidopexy and
          being a standard procedure. While some described a similar     orchidectomy have been successfully performed through a
          approach to prostatectomy with periumbilical port, two   single incision without complication. 5
          others 8 to 10 cm away from the primary port and then
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          bilateral iliac fossae  others described only four ports   dISCUSSIon
          approach with 3 to 4 cm supraumbilical camera port and
                                              32
          two iliac fossae ports and suprapubic port  and the sixth   First: Tables 1A to D showed readings of timing obtained
                                                              while making a surgeon’s knot in the region of upper uri­
          port is only needed during urinary diversion in radical   nary tract in the dummy at different manipulation angles
          surgeries. 33                                                             2
             In the hand­assisted approach, a 7 cm periumbilical   which were validated by χ  tests and average obtained. The
                                                              average timing in seconds for 30, 60 and 90º were 221.20,
          incision is made as the hand port, camera is placed at the   130 and 283.95 respectively. Although all the readings were
          left of the hand port in the midclavicular line at the level
          of the umbilicus, a second port is placed 5 cm below the   reproducible at p­value (30.144), 5% level of significance:
          level of the umbilicus at right midclavicular line. A 10 mm   Table 1A: Timing for surgeon’s knotting in upper urinary track
          port is placed in the left anterior axillary line and a 5 mm      with manipulation angle 30º
          at midline about 5 cm above the pubic symphisis. 34  Sl                                         (O-E) 2
             Kaouk et al described the laparoscopic radical cystec­  no. Observed (O)  Expected (E) O-E  (O-E) 2      E
          tomy and pelvic node dissection through a single umbilical   1 249     221.20     27.8  772.88  3.49
                                                               2 206
                                                                                                         1.04
                                                                                            – 15.2 231.04
          port and an extracorporeal urinary diversion by way of   3 220                    – 1.2  1.44  0.01
          extension of the umbilical port site. 5              4 212                        – 9.2  84.64  0.38
                                                               5 239                        – 17.8 316.84  1.43
          Laparoscopic Varicocelectomies                       6 232                        – 21.2 116.64  0.53
                                                               7 200                        27.8  449.44  2.03
          Laparoscopic varicocelectomy is generally performed   8 249                       – 11.2 125.44  3.49
          transperitoneally, but extra or retroperitoneal has also been   9 210             11.8  209.44  0.57
          described. And two trocars or single trocar approaches     10 233                 – 11.8 139.24  0.63
          described, but generally three trocars are required especially   11 204           – 17.2 295.84  1.33
          in bilateral cases. 35                              12 210                        – 11.2 209.44  0.57
             Varicocelectomy is performed in a transperitoneal lapa­  13 223                1.8  3.24    0.01
                                                              14 222
                                                                                                         0.01
                                                                                            0.8
                                                                                                 0.64
          roscopic fashion with two ports placed at supraumbilical   15 199                 – 22.8 492.84  2.23
          and caudal and lateral to the umbilicus on the contralateral   16 206             – 15.2 231.04  1.04
          side of the varicocele. 36                          17 254                        32.8  1075.84 4.86
             For the three ports approach, some described the sub­  18 201                  20.2  408.04  1.84
          umbilical camera port with secondary trocars at midline   19 239                  17.8  316.84  1.43
          half way between umbilicus and pubic symphysis, and the   20 216                  – 5.2  27.04  0.12
                                                                                                          2
                                                                                                         c =
                                                                  Average timing =
          other at midclavicular line 1 to 2 cm below horizontal line   221.20                           27.06
                                                                             2
          to the umbilicus while maintaining subumbilical camera   p-value (30.144) > c , data are reproducible
          World Journal of Laparoscopic Surgery, May-August 2014;7(2):74-87                                 77
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