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RISS 인기검색어
- 검색키워드
- 저자 : Mai Ego Makiguchi (검색결과 3 건)
- 무료
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Mai Ego Makiguchi,Seiichiro Abe,Yutaka Okagawa,Satoru Nonaka,Haruhisa Suzuki,Shigetaka Yoshinaga,Ichiro Oda,Okamoto Ryuta,Yutaka Saito 대한소화기내시경학회 2022 Clinical Endoscopy Vol.55 No.2
Background/Aims: This study aimed to assess the efficacy of a novel aerosol-exposure protection (AP) mask in preventingcoronavirus disease in healthcare professionals during upper gastrointestinal endoscopy and to evaluate its clinical feasibility. Methods: In Study 1, three healthy volunteers volitionally coughed with and without the AP mask in a cleanroom. Microparticleswere visualized and counted with a specific measurement system and compared with and without the AP mask. In Study 2,30 patients underwent endoscopic resection with the AP mask covering the face, and the SpO2 was measured throughout theprocedure. Results: In Study 1, the median number of microparticles in volunteers 1, 2, and 3 with and without the AP mask was 8.5 and 110.0,7.0 and 51.5, and 8.0 and 95.0, respectively (p<0.01). Using the AP mask, microparticles were reduced by approximately 92%. Themedian distances of microparticle scattering without the AP mask were 60, 0, and 68 in volunteers 1, 2, and 3, respectively. In Study 2,the mean SpO2 was 96.3%, and desaturation occurred in three patients. Conclusion: The AP mask could provide protection from aerosol exposure and can be safely used for endoscopy in clinical practice.
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Endoscopic Resection of Undifferentiated Early Gastric Cancer
Seiichiro Abe,Yuichiro Hirai,Mai Ego Makiguchi,Masau Sekiguchi,Satoru Nonaka,Haruhisa Suzuki,Shigetaka Yoshinaga,Yutaka Saito 대한위암학회 2023 Journal of gastric cancer Vol.23 No.1
Endoscopic resection (ER) is widely performed for early gastric cancer (EGC) with a negligible risk of lymph node metastasis (LNM) in Eastern Asian countries. In particular, endoscopic submucosal dissection (ESD) leads to a high en bloc resection rate, enabling accurate pathological evaluation. As undifferentiated EGC (UD-EGC) is known to result in a higher incidence of LNM and infiltrative growth than differentiated EGC (D-EGC), the indications for ER are limited compared with those for D-EGC. Previously, clinical staging as intramucosal UD-EGC ≤2 cm, without ulceration, was presented as ‘weakly recommended’ or ‘expanded indications’ for ER in the guidelines of the United States, Europe, Korea, and Japan. Based on promising long-term outcomes from a prospective multicenter study by the Japan Clinical Oncology Group (JCOG) 1009/1010, the status of this indication has expanded and is now considered ‘absolute indications’ in the latest Japanese guidelines published in 2021. In this study, which comprised 275 patients with UD-EGC (cT1a, ≤2 cm, without ulceration) treated with ESD, the 5-year overall survival (OS) was 99.3% (95% confidence interval, 97.1%–99.8%), which was higher than the threshold 5-year OS (89.9%). Currently, the levels of evidence grades and recommendations for ER of UD-EGC differ among Japan, Korea, and Western countries. Therefore, a further discussion is warranted to generalize the indications for ER of UD-EGC in countries besides Japan.
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Complications of endoscopic resection in the upper gastrointestinal tract
Takeshi Uozumi,Seiichiro Abe,Mai Ego Makiguchi,Satoru Nonaka,Haruhisa Suzuki,Shigetaka Yoshinaga,Yutaka Saito 대한소화기내시경학회 2023 Clinical Endoscopy Vol.56 No.4
Endoscopic resection (ER) is widely utilized as a minimally invasive treatment for upper gastrointestinal tumors; however, complications could occur during and after the procedure. Post-ER mucosal defect leads to delayed perforation and bleeding; therefore, endoscopic closure methods (endoscopic hand-suturing, the endoloop and endoclip closure method, and over-the-scope clip method) and tissue shielding methods (polyglycolic acid sheets and fibrin glue) are developed to prevent these complications. During duodenal ER, complete closure of the mucosal defect significantly reduces delayed bleeding and should be performed. An extensive mucosal defect that comprises three-quarters of the circumference in the esophagus, gastric antrum, or cardia is a significant risk factor for post-ER stricture. Steroid therapy is considered the first-line option for the prevention of esophageal stricture, but its efficacy for gastric stricture remains unclear. Methods for the prevention and management of ER-related complications in the esophagus, stomach, and duodenum differ according to the organ; therefore, endoscopists should be familiar with ways of preventing and managing organ-specific complications.
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