Clinical Endoscopy

Refractory duodenal ulcer caused by portal stent graft exposure: Gil Ho Lee, Choong-Kyun Noh, Kee Myung Lee; Clin Endosc 2025;58(2):320-321. Published online January 14, 2025; DOI: https://doi.org/10.5946/ce.2024.232

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Dedicated Cold Snare vs. Traditional Snare for Polypectomy of Diminutive and Small Lesions in a Porcine Model: A Research Group for Endoscopic Instruments and Stents (REIS) Study: Han Hee Lee, Bo-In Lee, Jung-Wook Kim, Hyun Lim, Si Hyung Lee, Jun-Hyung Cho, Yunho Jung, Kyoung Oh Kim, Chan Gyoo Kim, Kee Myung Lee, Jong-Jae Park, Myung-Gyu Choi, Hoon Jai Chun, Ho Gak Kim; Clin Endosc 2021;54(3):390-396. Published online September 10, 2020; DOI: https://doi.org/10.5946/ce.2020.096

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Background
/Aims: The aim of this in vivo animal study was to evaluate the effectiveness and safety of dedicated cold snare (DCS) compared with those of traditional snare (TS) for cold snare polypectomy (CSP).
Methods
A total of 36 diminutive (5 mm) and 36 small (9 mm) pseudolesions were made by electrocoagulation in the colons of mini-pigs.
Results
For the diminutive lesions, there were no significant differences in technical success rate, procedure time, or complete resection rate between the DCS and TS groups; the rate of uneven resection margin in the DCS group was significantly lower than that of the TS group. For small lesions, technical success rate and complete resection rate were significantly higher in the DCS group than in the TS group (100% [18/18] vs. 55.6% [10/18], p=0.003; 94.4% [17/18] vs. 40% [4/10], p=0.006). In addition, the procedure duration was significantly shorter, and the rate of uneven resection margin was significantly lower in the DCS group (28.5 sec vs. 66.0 sec, p=0.006; 11.1% [2/18] vs. 100% [10/10], p<0.001). Two cases of perforation occurred in the DCS group. Multivariate analysis revealed that DCS use was independently associated with complete resection.
Conclusions
DCS is superior to TS in terms of technical success, complete resection, and reducing the duration of the procedure for CSP of small polyps.

Citations

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Comparison of complete resection rates in cold snare polypectomy using two different wire diameter snares: A randomized controlled study
Toshiki Horii, Sho Suzuki, Akihiro Sugita, Misa Yamauchi, Hisatomo Ikehara, Chika Kusano, Takuji Gotoda
Journal of Gastroenterology and Hepatology.2023; 38(5): 752. CrossRef
Comparison of the clinical efficacy of cold snare polypectomy using a thin-wire snare and thick-wire snare for small colorectal polyps
Hong Jin Yoon, Yunho Jung, Young Sin Cho, Il-Kwun Chung
International Journal of Gastrointestinal Intervention.2023; 12(4): 183. CrossRef
Big Issues on Small Polyps: An Ideal Device, But Is It for an Ideal Indication?
Yoji Takeuchi
Clinical Endoscopy.2021; 54(3): 297. CrossRef
Cold versus hot polypectomy/endoscopic mucosal resection–A review of current evidence
Raquel Ortigão, Jochen Weigt, Ahmed Afifi, Diogo Libânio
United European Gastroenterology Journal.2021; 9(8): 938. CrossRef

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Insertion of Self Expandable Metal Stent for Malignant Stomal Obstruction in a Patient with Advanced Colon Cancer: Jeong Ook Wi, Sung Jae Shin, Jun Hwan Yoo, Jeong Woo Choi, Byung-Hyun Yoo, Sun Gyo Lim, Kee Myung Lee, Jin Hong Kim; Clin Endosc 2012;45(4):448-450. Published online November 30, 2012; DOI: https://doi.org/10.5946/ce.2012.45.4.448

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Self expandable metal stent can be used both as palliative treatment for malignant colorectal obstruction and as a bridge to surgery in patients with potentially resectable colorectal cancer. Here, we report a case of successful relief of malignant stomal obstruction using a metal stent. A 56-year-old man underwent loop ileostomy and was given palliative chemotherapy for ascending colon cancer with peritoneal carcinomatosis. Eight months after the surgery, he complained of abdominal pain and decreased fecal output. Computed tomography and endoscopy revealed malignant stomal obstruction. Due to his poor clinical condition, we inserted the stent at the stomal orifice, instead of additional surgery, and his obstructive symptoms were successfully relieved. Stent insertion is thought to be a good alternative treatment for malignant stomal obstruction, instead of surgery.

Citations

Citations to this article as recorded by

Endoscopic transstomal stent insertion: a novel approach for a stenosed stoma in a challenging patient
Feras Aljarad, Ashutosh Gumber, Anne Marie McLeary, Kawan Shalli
Annals of Coloproctology.2023; 39(4): 357. CrossRef
Use of metallic stents in the management of stenotic bowel stomas
Mohammad Arabi, Hasan Aljaziri, Mohammed Rashid Akhtar, Tim Fotheringham
International Journal of Gastrointestinal Intervention.2022; 11(4): 201. CrossRef
Metal Stent Insertion for Malignant Obstruction of a Colostomy
Antonios Wehbeh, Mahmoud Rahal, Hala Fatima
Cureus.2020;[Epub] CrossRef

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