ArticleWorld journal of gastroenterology2023
Novel deformable self-assembled magnetic anastomosis ring for endoscopic treatment of colonic stenosis
Article in World journal of gastroenterology, 2023. 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.
- An isolated organ feasibility study of deformable self-assembled magnetic anastomosis rings for esophageal stenosis anastomosis.Scientific reports · 2024Article
- Preliminary study of a new magnetic compression technique for circumcision in dogs: An experimental animal model.Heliyon · 2024Article
- A novel magnetic compression technique for establishment of a vesicovaginal fistula model in Beagle dogs.Scientific reports · 2024Article
- Application of Y-Z deformable magnetic ring for recanalization of transanal single-access rectal stricture.Scientific reports · 2024Article
- Endoscopic gastrointestinal bypass anastomosis using deformable self-assembled magnetic anastomosis rings (DSAMARs) in a pig model.BMC gastroenterology · 2024Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAlthough endoscope-assisted magnetic compression anastomosis has already been reported for colonic anastomosis, there is no report on a single-approach operation using the natural orifice.
aimTo design a deformable self-assembled magnetic anastomosis ring (DSAMAR) for colonic anastomosis for use in single-approach operation and evaluate its feasibility and safety through animal experiments.
methodsThe animal model for colonic stenosis was prepared by partial colonic ligation in eight beagles. The magnetic compression anastomosis of their colonic stricture was performed by endoscopically assisted transanal implantation of the DSAMAR. The anastomotic specimen, obtained 2 wk after the operation, was observed by both the naked eye and a light microscope.
resultsThe DSAMAR was successfully inserted into the proximal end of colon stenosis through the anus. The DSAMAR of seven dogs was successfully transformed into rings, while that of the remaining dog was removed after the first deformation failed. The rings were successfully retransformed after optimization. All animals underwent colonic anastomosis using the DSAMAR. No device-related or procedure-related adverse events were observed. The colostomy specimens of the experimental dogs were obtained 2 wk after the operation. Both gross and histological observations showed good anastomotic healing.
conclusionThe DSAMAR is a safe and feasible option for the treatment of colon stenosis. Its specific deformation and self-assembly capability maximize the applicability of the minimally invasive treatment.
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