Published online Nov 12, 2010.
https://doi.org/10.4174/jkss.2010.79.5.362
Endoscopic Cecectomy with Hybrid Natural Orifice Transluminal Endoscopic Surgery (NOTES) in Canine Models
Abstract
Purpose
Natural orifice transluminal endoscopic surgery (NOTES) is a new operation technique that utilizes natural orifices of the patient's body with the intention to puncture hollow viscera in order to insert an endoscope into a peritoneal cavity for incisionless surgery. The aim of this study was to evaluate the safety and feasibility of endoscopic cecectomy through the rectum in one dog and the vagina in another dog.
Methods
This study was performed in two beagle dogs for rectal and vaginal approaches. A five-milimeter trocar was inserted into the abdominal cavity by the Hasson method and intra-abdominal pressure was maintained at 5 mmHg with CO2. After pneumoperitoneum was accomplished, the rectum or vagina was incised with a needle knife and a one-channel gastric endoscope was inserted into the abdominal cavity. Counter-traction was performed using a laparoscopic grasper introduced via the 5 mm trocar in the umbilicus. The cecum was dissected from the base by using a needle knife with the aid of laparoscopic counter-traction. The resected cecum was retrieved through the anus or vagina without pouch bag. The incised rectum was closed by using 90-degree endoclips whereas the incised vagina was not repaired.
Results
Cecectomies were successfully performed with both transrectal and transvaginal routes. Both cases had no complication and recovered from surgery uneventfully.
Conclusion
Endoscopic cecectomy with hybrid NOTES are feasible and safe. With the improvement of surgical experiences and further instrumental development, NOTES can be one option for human intestinal surgery.
Fig. 1
Operation setup for endoscopic cecectomy with hybrid natural orifice transluminal endoscopic surgery (NOTES) in canine model.
Fig. 2
Endoscopic view of rectal incision being made with needle knife.
Fig. 3
Endoscopic view of vaginal incision being made with needle knife.
Fig. 4
The anatomy and endoscopic peritoneal cavity finding of cecum.
Fig. 5
The ileo-colo-cecal area was divided by using endoclips.
Fig. 6
The cecal base was endolooped and cut between loops.
Fig. 7
The resected cecum was retrieved through anus.
Fig. 8
The resected cecum was retrieved through vagina.
Fig. 9
The resected cecum.
Fig. 10
Endoscopic view showing closure of recal port by using endoclip.
Fig. 11
The vaginal port was not closed.
References
-
Kim YI, Park JH, Lee SI, Jeong SM, Kim JY. Transgastric gastroscopic intra-abdominal exploration in a female dog model: NOTES (natural orifice transluminal endoscopic surgery). J Korean Soc Coloproctol 2007;23:397–402.
-
-
Sohn DK, Jeong SY, Cho YB, Park JW, Lee WY, Choi GS, et al. The first transcolonic cholecystectomy in Korea: a NOTES survival study in an animal model. J Korean Surg Soc 2008;75:64–69.
-
-
Hulka JF, Reich H. In: Textbook of Laparoscopy. 2nd ed. Philadelphia: W.B. Saunders; 1994. pp. 47-50.
-
-
O JT, Park DE, Chae KM. Postoperative pain differences between different insufflation pressures on laparoscopic cholecystectomy. J Korean Surg Soc 2006;70:307–311.
-
-
Abbott DJ, Becke C, Rothstein RI, Peine WJ. Design of an endoluminal NOTES robotic system; Proceedings of the 2007 IEEE/RSJ International Conference on Intelligent Robotics and Systems; 2007 Oct 29-Nov 2; San Diego, CA. pp. 410-416.
-