Olympus reviewed the following literature titled "endoscopic submucosal dissection for large duodenal laterally spreading lesions is feasible: a multi-center retrospective study".This multicentric retrospective study sought to assess the effect and safety of esd for large laterally spreading lesions located in the descending duodenum based on multi-center experiences.A total of 51 patients were included.The average procedure time for en bloc resection ranging from 20 to 117 min (median: 45.5 min).Two patients experienced delayed bleeding 3 days after esd and 2 other patients were diagnosed with delayed perforation.All the patients were closely followed up for a median period of 16 months (range 7 to 29 months), and there were no deaths.No residual tumor and local recurrence occurred during follow-up.Esd for laterally spreading lesions of the descending duodenum is a feasible therapeutic procedure and can achieve a favorable en bloc resection rate.Type of adverse events/number of patients: delayed bleeding: case 1.Delayed bleeding: case 2.Delayed perforation (postoperative fever, mild abdominal pain): case 3.Delayed perforation (fever, severe abdominal pain, diffuse peritonitis): case 4.This literature article requires 28 reports.The related patient identifiers are as follows: 1.(b)(6)/case1(female, 64)/kd-620lr, 2.(b)(6)/case1(female, 64)/kd-611l, 3.(b)(6)/case1(female, 64)/fg-8u-1, 4.(b)(6)/case1(female, 64)/nm-4l-1, 5.(b)(6)/case1(female, 64)/fd-410lr, 6.(b)(6)/case1(female, 64)/gif-h260, 7.(b)(6)/case1(female, 64)/maj-339, 8.(b)(6)/case2(male, 63)/kd-620lr, 9.(b)(6)/case2(male, 63)/kd-611l, 10.(b)(6)/case2(male, 63)/fg-8u-1, 11.(b)(6)/case2(male, 63)/nm-4l-1, 12.(b)(6)/case2(male, 63)/fd-410lr, 13.(b)(6)/case2(male, 63)/gif-h260, 14.(b)(6)/case2(male, 63)/maj-339, 15.(b)(6)/case3(male, 57)/kd-620lr, 16.(b)(6)/case3(male, 57)/kd-611l, 17.(b)(6)/case3(male, 57)/fg-8u-1, 18.(b)(6)/case3(male, 57)/nm-4l-1, 19.(b)(6)/case3(male, 57)/fd-410lr, 20.(b)(6)/case3(male, 57)/gif-h260, 21.(b)(6)/case3(male, 57)/maj-339, 22.(b)(6)/case4(female, 61)/kd-620lr, 23.(b)(6)/case4(female, 61)/kd-611l, 24.(b)(6)/case4(female, 61)/fg-8u-1, 25.(b)(6)/case4(female, 61)/nm-4l-1, 26.(b)(6)/case4(female, 61)/fd-410lr, 27.(b)(6)/case4(female, 61)/gif-h260, 28.(b)(6)/case4(female, 61)/maj-339.This medwatch report is for patient identifier (b)(6).There is no report of any olympus device malfunction in any procedure described in this study.
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