A self-approximating transluminal access technique for potential use in NOTES: an ex vivo porcine model (with video){A figure is presented}

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Abstract

Background: NOTES (natural orifice transluminal endoscopic surgery) is an area of active research in experimental endoscopy and has the potential to significantly advance the field of minimally invasive surgery. Several investigators have illustrated the need for a transluminal access technique that is safe, reliable, and reproducible. Currently used methods directly cut through the organ wall into the peritoneum; however, rare difficulty in closing the defect with negative outcomes have been described. Objective: To evaluate an alternative method for transluminal access. Design: An ex vivo, experimental endoscopy study. Setting: Penn State Hershey Medical Center, Animal Research Laboratories. Methods: By using ex vivo porcine esophagus, stomach, and colon, a submucosal tunnel was created as a means of physically separating the lumen from the peritoneum during transluminal access. Postprocedure leak testing was performed, and all procedures were video recorded. Results: Results of the self-approximating transluminal access technique (STAT) in porcine esophagus and stomach demonstrated the technical feasibility of this approach. The STAT was not felt to be feasible in the porcine colon. Limitations: This investigation was a limited, ex vivo pilot study and will require further testing in an adequate number of live animals. Conclusions: The STAT is technically feasible in porcine esophagus and stomach, and may have advantages over currently used techniques.

Original languageEnglish (US)
Pages (from-to)974-978
Number of pages5
JournalGastrointestinal Endoscopy
Volume66
Issue number5
DOIs
StatePublished - Nov 1 2007

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Natural Orifice Endoscopic Surgery
Swine
Esophagus
Stomach
Peritoneum
Endoscopy
Colon
Minimally Invasive Surgical Procedures
Research Personnel
Research

All Science Journal Classification (ASJC) codes

  • Gastroenterology

Cite this

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title = "A self-approximating transluminal access technique for potential use in NOTES: an ex vivo porcine model (with video){A figure is presented}",
abstract = "Background: NOTES (natural orifice transluminal endoscopic surgery) is an area of active research in experimental endoscopy and has the potential to significantly advance the field of minimally invasive surgery. Several investigators have illustrated the need for a transluminal access technique that is safe, reliable, and reproducible. Currently used methods directly cut through the organ wall into the peritoneum; however, rare difficulty in closing the defect with negative outcomes have been described. Objective: To evaluate an alternative method for transluminal access. Design: An ex vivo, experimental endoscopy study. Setting: Penn State Hershey Medical Center, Animal Research Laboratories. Methods: By using ex vivo porcine esophagus, stomach, and colon, a submucosal tunnel was created as a means of physically separating the lumen from the peritoneum during transluminal access. Postprocedure leak testing was performed, and all procedures were video recorded. Results: Results of the self-approximating transluminal access technique (STAT) in porcine esophagus and stomach demonstrated the technical feasibility of this approach. The STAT was not felt to be feasible in the porcine colon. Limitations: This investigation was a limited, ex vivo pilot study and will require further testing in an adequate number of live animals. Conclusions: The STAT is technically feasible in porcine esophagus and stomach, and may have advantages over currently used techniques.",
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AB - Background: NOTES (natural orifice transluminal endoscopic surgery) is an area of active research in experimental endoscopy and has the potential to significantly advance the field of minimally invasive surgery. Several investigators have illustrated the need for a transluminal access technique that is safe, reliable, and reproducible. Currently used methods directly cut through the organ wall into the peritoneum; however, rare difficulty in closing the defect with negative outcomes have been described. Objective: To evaluate an alternative method for transluminal access. Design: An ex vivo, experimental endoscopy study. Setting: Penn State Hershey Medical Center, Animal Research Laboratories. Methods: By using ex vivo porcine esophagus, stomach, and colon, a submucosal tunnel was created as a means of physically separating the lumen from the peritoneum during transluminal access. Postprocedure leak testing was performed, and all procedures were video recorded. Results: Results of the self-approximating transluminal access technique (STAT) in porcine esophagus and stomach demonstrated the technical feasibility of this approach. The STAT was not felt to be feasible in the porcine colon. Limitations: This investigation was a limited, ex vivo pilot study and will require further testing in an adequate number of live animals. Conclusions: The STAT is technically feasible in porcine esophagus and stomach, and may have advantages over currently used techniques.

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