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RISS 인기검색어
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- 저자 : Vitor Arantes (검색결과 2 건)
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Josué Aliaga Ramos,Yoshinori Morita,Takashi Toyonaga,Danilo Carvalho,Moises Salgado Pedrosa,Vitor N. Arantes 대한소화기내시경학회 2023 Clinical Endoscopy Vol.56 No.5
Background/Aims: Endoscopic submucosal dissection (ESD) is currently considered the first-line treatment for the eradication of superficialneoplasms of the esophagus in Eastern countries. However, in the West, particularly in Latin America, the experience withesophageal ESD is still limited because of the high technical complexity required for its execution. This study aimed to present the resultsof the clinical application of ESD to manage superficial esophageal neoplasms in a Latin American center in over 100 consecutivecases. Methods: This retrospective study included consecutive patients who underwent endoscopic ESD for superficial esophageal neoplasmsbetween 2009 and 2022. The following clinical outcomes were assessed: en bloc, complete, and curative resection rates, local recurrence,adverse events, and procedure-related mortality. Results: Esophageal ESD was performed mainly for squamous cell carcinoma (66.6%), high-grade intraepithelial neoplasia (17.1%),and adenocarcinoma (11.4%). En bloc and complete resection rates were 96.2% and 81.0%, respectively. The curative resection rate was64.8%. Adverse events occurred in six cases (5.7%). Endoscopic follow-up was performed for an average period of 29.7 months. Conclusions: ESD performed by trained operators is feasible, safe, and clinically effective for managing superficial neoplastic lesions ofthe esophagus in Latin America.
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The Learning Curve for Peroral Endoscopic Myotomy in Latin America: A Slide to the Right?
Michel Kahaleh,Amy Tyberg,Supriya Suresh,Arnon Lambroza,Fernando Rodriguez Casas,Mario Rey,Jose Nieto,Guadalupe Ma Martínez,Felipe Zamarripa,Vitor Arantes,Maria G Porfilio,Monica Gaidhane,Pietro Fami 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.5
Background/Aims: Peroral endoscopic myotomy (POEM) has been increasingly used for achalasia in Latin America, where Chagasdisease is prevalent, and this makes POEM more challenging. The aim of this study was to determine the learning curve for POEMin Latin America. Methods: Patients undergoing POEM in Latin America with a single operator were included from a prospective registry over 4 years. Non-linear regression and cumulative sum control chart (CUSUM) analyses were conducted for the learning curve. Results: A total of 125 patients were included (52% male; mean age, 59 years), of which 80 had type II achalasia (64%), and 38 hadChagas disease (30%). The average pre-procedure and post-procedure Eckardt scores were 6.79 and 1.87, respectively. Technicalsuccess was achieved in 93.5% of patients, and clinical success was achieved in 88.8%. Adverse events occurred in 27 patients (22%)and included bleeding (4 patients), pneumothorax (4 patients), mucosal perforation (13 patients), mediastinitis (2 patients), andleakage (4 patients). The CUSUM chart showed a median procedure time of 97 min (range, 45-196 min), which was achieved at the 61st procedure. Procedure duration progressively decreased, with the last 10 procedures under 50 min approaching a plateau (p-value <0.01). Conclusions: Mastering POEM in Latin America requires approximately 61 procedures for both POEM efficiency and to accomplishthe procedure within 97 minutes.
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