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The New Approach for Total Extraperitoneal (TEP) Laparoscopic Inguinal Hernia Repair Using Optical Method and Needle-like Forceps

Takeshi Ishita, MD, Takuya Sato, MD, Takayuki Iino, MD, Shunsuke Onizawa, MD, Eiichi Hirai, MD, Mie Hamano, MD, Tsutomu Nakamura, MD, Tatsuo Araida, MD, Hideto Oishi, MD

Division of Gastroenterological Surgery, Department of Surgery, Yachiyo Medical Center, Tokyo Women’s Medical University

INTRODUCTION
We performed inguinal hernia repairs to 389 cases between five and half years from when our hospital was established. And then posterior approach of inguinal hernia repair was performed to 305 cases, and it included 153 cases of laparoscopic operations. We performed TEP procedure to 126 cases. At the time of introducing, we used preperitoneal dissection balloon (PDB) for posterior approach, and it was used for totally 66 cases. However we stopped to use PDB from 67th case due to three reasons. One of terrible experience was that patient’s urinary bladder was ruptured by PDB. The 2nd reason is that we experienced tremendous adhesions of preperitoneal space of contralateral inguinal recurrence hernia after previous operation using PDB for an unilateral case. Using PDB for bilateral inguinal hernia repair was acceptable selection, but it might give risks for unilateral cases to use it. The 3rd problems were due to size of incisional trocar wounds. It gave cosmetic problems and wound pain to patients. Large sized mesh was usually selected to prevent for recurrent hernia, but it could not insert into preperitoneal space through the narrow trocar. We found a way out of these problems, and we would like to describe a new procedure for it.

METHODS AND PROCEDURES
We performed TEP procedure with a large sized mesh, 3D-MAX, and with thin 3 trocars which include two 5mm trocars and one 2mm trocar. The first trocar, 5mm trocar, was inserted by the optical method. And we used a needle-like forceps, EndoReif, for a 2mm trocar, MiniPort. One more original part of this procedure was a new technique for insertion of large sized mesh into the preperitoneal space through thin trocar. A larger sized mesh must be selected for covering enough inguinal area to prevent recurrence. However the large sized mesh could not be inserted through 5mm trocar usually. First, we folded a large sized mesh into a thin shape, like a Japanese folding fan. Next, once a loop of a long strong string was inserted from umbilical 5mm trocar to preperitoneal space, and it was pulled out through another 5mm trocar. Finally large sized mesh was connected at a tip of this loop, and easily pulled into preperitoneal space.

RESULTS
TEP procedure was performed without any problem, and its handling and its safety were no less than standard TEP procedure. In the first trocar insertion, the optical method was not only simple and easy technique but also gave clear and safe laparoscopic view. In unilateral case, dissected preperitoneal space was kept at unilateral area, and it was never dissected toward contralateral area. Moreover least bleeding and a clear dry view were kept throughout the procedure, and there were no complications. Using large sized mesh, inguinal area was covered enough, and it prevented ipsilateral recurrence hernia effectively. Using thinner trocar, wound pain was decreased, and its wound was more cosmetic.

EXPECTATIONS
This method will be the best procedure for TEP, as a needle scopic surgery in the near future.


Session: Poster Presentation

Program Number: P279

Post Views: 1,037

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