eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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vol. 7
Original paper

Single loop-and-clips technique (king closure) for gastrotomy closure after transgastric ovariectomy: a survival experiment

Ondrej Ryska
Jan Martinek
Tereza Filipkova
Radek Dolezel
Jana Juhasova
Jan Motlik
Miroslav Zavoral
Miroslav Ryska

Videosurgery Miniinv 2012; 7 (4): 233-239
Online publish date: 2012/06/25
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Introduction: A safe closure technique of transluminal access is essential for the widespread application of natural orifice transluminal endoscopic surgery (NOTES).

Aim: To evaluate the feasibility and effectiveness of a novel single loop-and-clips closure technique (KING closure).

Material and methods: An experimental survival study using female laboratory pigs was performed. A gastrotomy was performed using a standard percutaneous endoscopic gastrostomy technique. A peritoneoscopy with an ovariectomy was then performed with a double-channel endoscope, on a total of 14 pigs. Two different techniques of gastrotomy closure were analysed: a loop-and-clips closure technique (n = 7) and a standard closure using endoclips (n = 7). After a follow-up period of 30 days, the animals were euthanized for post-mortem examination.

Results: In the “loop-and-clip” closure group, the correct placement of an endoloop and clips was achieved in all animals. At necropsy, no animal showed signs of an abscess or peritonitis. Histological examination demonstrated a patent full-thickness gastric wall closure without evidence of local complications in all instances. In the “clips” group, the gastrotomy closure was assessed as probably unsafe in three animals. At necropsy 3 (42.9%) abscesses and 1 (14.3%) case of peritonitis were found.

Conclusions: A single loop-and-clips closure technique (KING closure) represents a feasible, simple and effective method of gastric incision closure. It appears to be superior to the standard endoscopic closure technique using clips.

natural orifice transluminal endoscopic surgery, gastric closure, clips, endoloop

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