Año 2021 / Volumen 113 / Número 1
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Año 2021 / Volumen 113 / Número 1

Original

Factors that predict the technical difficulty during endoscopic full-thickness resection of a gastric submucosal tumor

35-40

Gong Jian, Linna Tan, Hanyu Wang, Liang Lv, Xuehong Wang, Xiaoyun Qi, Meixian Le, Yuyong Tan, Deliang Liu,

Background and aim: endoscopic full-thickness resection (EFTR) is widely accepted for the treatment of gastric submucosal tumors (SMTs). However, technical difficulties sometimes occur. The aim of the present study was to assess the safety and efficacy of EFTR for gastric SMTs and to explore risk factors for technical difficulty. Methods: the clinical data of patients who received EFTR for gastric SMTs was retrospectively collected from April 2011 to September 2019. Efficacy was defined as an en bloc resection. Difficult EFTR was defined as a procedure time ≥ 120 minutes and/or the occurrence of major adverse events, such as major bleeding, abdominal pain or peritonitis. Finally, risk factors for technical difficulty of EFTR such as gender, age, tumor location, size, symptomatic, regular, outgrowth, operator experience and pathology were analyzed in a univariate and multivariate analysis. Results: one hundred SMTs were removed by EFTR. The average surgery time was 75.73 ± 45.9 (range: 20-250) minutes and the average tumor size was 16.23 ± 7.73 (range: 6-40) mm. With regard to efficacy, en bloc resection was achieved in 98 cases (98 %). A total of ten patients (9.9 %) had complications, namely two intra-operative bleeding, one delayed bleeding and seven patients had abdominal pain (overt peritonitis). EFTR was ceased in one patient due to massive intra-operative bleeding and conversion to laparoscopic surgery was necessary. One patient required laparoscopic surgery due to delayed bleeding, and other complications were resolved with a conservative treatment. A total of 18 cases (17.8 %) encountered a difficult EFTR: tumor size ≥ 3 cm (p = 0.008) and location at the gastric corpus (p = 0.007) were risk factors for a difficult EFTR according to the logistic analysis. Conclusion: EFTR is safe and effective for the treatment of gastric SMTs. Tumor size of ≥ 3 cm and location at the gastric corpus are risk factors for a difficult EFTR.

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Asociación Española de Ecografía Digestiva Sociedad Española de Endoscopia Digestiva Sociedad Española de Patología Digestiva
The Spanish Journal of Gastroenterology is the official organ of the Sociedad Española de Patología Digestiva, the Sociedad Española de Endoscopia Digestiva and the Asociación Española de Ecografía Digestiva
© 2021 The Spanish Journal of Gastroenterology