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Endoscopic resection of large non-pedunculated adenomas is most often performed using the 'lift-and-cut' endoscopic mucosal resection (EMR) technique. This endoscopic technique has a relatively low technical complexity and short-duration and is commonly considered a safe and reliable surgical option, nevertheless several adverse events can occur during or after this procedure.
One of the most frequent late complication is the post-procedural bleeding occurring up to 30 days post-polypectomy, which often requires emergency hospitalization and re-intervention.
Endoscopic hemostasis of active post procedure bleeding can be achieved using prophylactic clips.
Recently, the use on sprayable hemostatic agents have been introduced in the gastrointestinal endoscopical practice.
Cyanoacrylate is a liquid tissue adhesive that has been proved to be of some utility in the endoscopic management of gastrointestinal variceal bleeding.
In this study the investigators aim to compare the rate of postoperative bleeding between two groups of patients with large colorectal polyps. In the first group it will be performed a prophylactic clipping after the polypectomy and in the other group it will be used cyanoacrylate after clipping.
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Introduction of endoscopic removal of colorectal polyps in the clinical practice has profoundly contributed to the modified epidemiology of colorectal cancer in western countries by reducing its incidence and mortality through a primary prevention. Endoscopic removal of polyps can be carried out using several techniques depending on their morphology, size, location along the colon and the expertise of the endoscopist.
Endoscopic resection of large non-pedunculated adenomas is most often performed using the 'lift-and-cut' endoscopic mucosal resection (EMR) technique. This endoscopic technique has a relatively low technical complexity and short-duration and is commonly considered a safe and reliable surgical option, nevertheless several adverse events can occur during or after this procedure, even in experienced hands. One of the most frequent late complication is the post-procedural bleeding (PPB) occurring up to 30 days post-polypectomy, which often requires emergency hospitalization and re-intervention (by repeated endoscopy, angiography, or even major surgery). The frequency of PPB after EMR of colonic polyps is reported between 0.4 % and 7 % depending on patients' co-morbidities and medications, location and size of the polyps and endoscopic technique.
Endoscopic hemostasis of active PPB can be achieved using different techniques according to the location and characteristics of the lesion, endoscopist's preference and experience, and device availability. However, the most commonly method used is clipping with or without adrenaline injection.
Recently, the use on sprayable hemostatic agents have been introduced in the gastrointestinal endoscopical practice providing a non-traumatic and technically easy method of hemostasis which can be used also in cases of diffuse, multifocal source of bleeding due to ulcers, tumors or post-EMR or in areas difficult to access, such as the lesser curvature of the stomach, posterior wall of the duodenal bulb.
Cyanoacrylate is a liquid tissue adhesive that has been proved to be of some utility in the endoscopic management of gastrointestinal variceal bleeding.
In this study, we will compare the short and mid-term results of the endoscopic use of N-butyl-2-cyanoacrylate associated with methacryloxysulfolane in the prevention of delayed bleeding after EMR of large colorectal polyps.
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76 participants in 2 patient groups
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Arcangelo Picciariello, MD; Donato Altomare, Prof
Data sourced from clinicaltrials.gov
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