ArticleWorld journal of gastroenterology2020
Retrievable puncture anchor traction method for endoscopic ultrasound-guided gastroenterostomy: A porcine study.
Article in World journal of gastroenterology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Endoscopic ultrasound-guided gastroenterostomy with lumen-apposing metal stent: an animal study comparison of wireless and over-the-wire techniques.Scientific reports · 2025Article
- A review of endoscopic ultrasound-guided gallbladder drainage and gastroenterostomy: assisted approaches and comparison with alternative techniques.Therapeutic advances in gastroenterology · 2024Review
- A novel endoscopic ultrasound-guided transluminal anchor device.Endoscopy · 2023Article
- Endoscopic ultrasound guided gastroenterostomy: Technical details updates, clinical outcomes, and adverse events.World journal of gastrointestinal endoscopy · 2023Review
- Revolution of hands-on model for interventional EUS: How to make a training model.Endoscopic ultrasoundReview
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEndoscopic ultrasound-guided gastroenterostomy (EUS-GE) is an alternative method for the surgical treatment of gastric outlet obstruction, but it is regarded as a challenging technique for endoscopists as the bowel is highly mobile and can tent away. Thus, the technique requires superb skill. In order to improve EUS-GE, we have developed a retrievable puncture anchor traction (RPAT) device for EUS-GE to address the issue of bowel tenting.
aimTo evaluate the feasibility of RPAT-assisted EUS-GE using an animal model.
methodsSix Bama mini pigs each weighing between 15 and 20 kg underwent the RPAT-assisted EUS-GE procedure. Care was taken to ensure that the animals experienced minimal pain and discomfort. Two days prior to the procedure the animals were limited to a liquid diet. No oral intake was allowed on the day before the procedure. A fully covered metal stent was placed between the stomach and the intestine using the RPAT-assisted EUS-GE method. Infection in the animals was determined. Four weeks after the procedure, a standard gastroscope was inserted into the pig's intestine through a previously created fistula in order to check the status of the stents under anesthesia. The pig was euthanized after examination.
resultsThe RPAT-assisted EUS-GE method allowed placement of the stents with no complications in all six animals. All the pigs tolerated a regular diet within hours of the procedure. The animals were monitored for four weeks after the RPAT-assisted EUS-GE, during which time all of the animals exhibited normal eating behavior and no signs of infection were observed. Endoscopic imaging performed four weeks after the RPAT-assisted EUS-GE showed that the stents remained patent and stable in all the animals. No tissue overgrowth or ingrowth was observed in any case. Each animal had a mature fistula, and the stents were removed without significant bleeding. Autopsies of all six pigs revealed complete adhesion between the intestine and the stomach wall.
conclusionThe RPAT method helps reduce mobility of the bowel. Therefore, the RPAT-assisted EUS-GE method is a minimally invasive treatment modality.
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