Comparison between a novel core knife and the conventional IT knife 2 for endoscopic submucosal dissection of gastric mucosal lesions
- Author(s)
- Myeongsoon Park; Jin Wook Lee; Dong Woo Shin; Jungseok Kim; Yoo Jin Lee; Ju Yup Lee; Kwang Bum Cho
- Keimyung Author(s)
- lee, Jin Wook; Kim, Jeong Seok; Lee, Yoo Jin; Lee, Ju Yup; Cho, Kwang Bum
- Department
- Dept. of Internal Medicine (내과학)
- Journal Title
- Clin Endosc
- Issued Date
- 2022
- Volume
- 55
- Issue
- 6
- Keyword
- Endoscopic submucosal dissection; Equipment and supplies; Stomach neoplasms; Surgical instruments
- Abstract
- Background/Aims:
Few studies have compared the performances of endoscopic knives. This study aimed to compare the therapeutic outcomes of a novel core knife and the conventional IT knife 2 for endoscopic submucosal dissection (ESD) of gastric mucosal lesions.
Methods:
This prospective, non-inferiority trial included patients diagnosed with gastric adenoma or early-stage adenocarcinoma at Keimyung University Dongsan Hospital between June and November 2020. The patients were randomly assigned to either the core knife or the IT knife 2 group. The operators and assistants scored the knives’ grip convenience and cutting abilities.
Results:
A total of 39 patients were enrolled (core knife group, 20 patients; IT knife 2 group, 19 patients). There were no significant between-group differences in operator-assessed grip convenience (9.600 vs. 9.526, p=0.753), cutting ability (9.600 vs. 9.105, p=0.158), or assistant-assessed grip convenience (9.500 vs. 9.368, p=0.574).
Conclusions:
The core knife achieved therapeutic outcomes that were comparable to those of the IT knife 2 for ESD of gastric mucosal lesions.
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